PureCrypter

MITRE ATT&CK: S9019 View on attack.mitre.org

Aliases: PureCrypter

First seen
2021-01-01 00:00:00
Malware type
loader
Family
Malware family
Operating systems
windows
Related IoCs
55 (55 malicious)
Last IoC activity
2026-10-16 16:35:45
Profile updated
2026-07-07 14:41:58

Context

PureCrypter is a fully-featured malware loader, developed by a threat actor called “PureCoder," that has been in use since at least 2021 to distribute a variety of remote access trojans and information stealers.

Recent IoC activity

55 malicious indicators in Maltiverse are attributed to PureCrypter (S9019). The 20 most recently updated:

TypeIndicatorUpdatedSources
hostname rdmfile.eu 2026-10-17 4
hostname www.oleonidas.gr 2026-10-16 2
file sample jaffacakes118_10e4c9d4a9d41235d31053a0434f5e5ae203c952cedfb40d66497b803d7f6437.bin 2026-10-16 1
file sample jaffacakes118_f9c424c31300eacddd74dc4166eb45857a91960808964e687a21c0b9bfe86181.bin 2026-10-16 1
file sample 5528b5e88656593ef5c680980621855ef84389efd06fb441a01ff3b48d8bdeb9 2026-10-10 2
file sample Installer_v1912_x64.exe 2026-10-02 2
file sample 1fc7a04a781a1575a953f071651daef9796ca7a0ae8321f135f548f9467ca8b9 2026-10-01 1
file sample b52f2d865326664c49fe1b8c22a7f7adeaabb68dbe9df53d71116198a7f837ad 2026-09-30 2
file sample ZillberRelayHost.exe 2026-09-27 1
file sample jaffacakes118_17790c5c071280462ed8e617fd2edfff5bf0f40fb9add57f866f058fdbf24cb5.bin 2026-09-25 1
file sample 4a1898326061b69eb5c02c7ade62b4fb432ab4ec019df81d96de9efc2c8d7a1f 2026-09-24 1
file sample x039d9ea659f231a826c3340efd5f5894517f174d31b4ad7805c631d2b101dac2.exe 2026-09-21 1
file sample wins64.exe 2026-09-16 2
file sample Installer_v2103_x64_.exe 2026-09-15 3
file sample SecuriteInfo.com.Trojan.DownLoader46.58639.512.14557 2026-09-15 2
file sample NOV_RFQs#456372_SOFW_600SB_Rr_TIANJIN_INTERNATIONAL_CO_MATERIALSs.exe 2026-09-11 2
file sample Quotation V111K2V.exe 2026-09-07 2
file sample 96a6106dd370bcada26624148d9468f4ca4a0a78987dd0efff28cdd2c85ad454 2026-09-07 2
file sample 584c204b77281208e0d27471888f001682fbcf0af47712f0c61dcabea63cf7b5 2026-09-06 2
file sample IMG_207_5273_081XLS.exe 2026-09-03 1

Detection coverage

  • 2 YARA rules
  • 627 Sigma rules

Malware & tools used

  • Process Discovery (attack-pattern)
  • System Information Discovery (attack-pattern)
  • Mutual Exclusion (attack-pattern)
  • Virtual Machine Discovery (attack-pattern)
  • Web Service (attack-pattern)
  • Disable or Modify Tools (attack-pattern)
  • System Owner/User Discovery (attack-pattern)
  • Match Legitimate Resource Name or Location (attack-pattern)
  • Deobfuscate/Decode Files or Information (attack-pattern)
  • System Location Discovery (attack-pattern)
  • Security Software Discovery (attack-pattern)
  • Debugger Evasion (attack-pattern)
  • Scheduled Task (attack-pattern)
  • Asymmetric Cryptography (attack-pattern)
  • Registry Run Keys / Startup Folder (attack-pattern)
  • Execution Guardrails (attack-pattern)
  • Ingress Tool Transfer (attack-pattern)
  • PowerShell (attack-pattern)
  • Symmetric Cryptography (attack-pattern)
  • Masquerade File Type (attack-pattern)
  • Process Injection (attack-pattern)
  • Hidden Window (attack-pattern)
  • File Deletion (attack-pattern)
  • Delay Execution (attack-pattern)
  • Junk Code Insertion (attack-pattern)

Used by threat actors

Detection rules

  • RUSSIANPANDA_Purecrypter_Core (yara-rule)
  • RUSSIANPANDA_Purecrypter (yara-rule)

Reports & references

  • zscaler.com — Technical Analysis Purecrypter (report)
  • recordedfuture.com — Tag 144S Persistent Grip On South American Organizations (report)
  • prodaft.com — Rig Tlp Clear 1 (report)
  • malpedia.caad.fkie.fraunhofer.de — Win.Purecrypter (report)
  • any.run — Pure Malware Family Analysis (report)
  • blog.sekoia.io — Mallox Ransomware Affiliate Leverages Purecrypter In Microsoft Sql Exploitation Campaigns (report)
  • MITRE ATT&CK — S9019 (report)
  • blog.netlab.360.com — Purecrypter Is Busy Pumping Out Various Malicious Malware Families (report)

External references