General

  • Target

    e453ee4e1a1a3c97ebab67171893ae7f.exe

  • Size

    2.4MB

  • Sample

    230201-te3beacd7z

  • MD5

    e453ee4e1a1a3c97ebab67171893ae7f

  • SHA1

    b4c24de8784bb530d549ed1df3716f2640e52d79

  • SHA256

    f33f2b0823a6b41f1632f5d19ebe4d144375781702b3f7b544c6321937f28161

  • SHA512

    d90c6a7b92779478082592af1ff6b378dca8f6469c6a38f4445938ee3b82123a8c578e07392a0f767f76712fa158a9d57988adb4723baccf48724a47fe0921de

  • SSDEEP

    49152:bRPs+XkKb9mSewZPhGDcUovKdd+hHHafaQG0:dPD/tFKdd+ZafaZ0

Malware Config

Targets

    • Target

      e453ee4e1a1a3c97ebab67171893ae7f.exe

    • Size

      2.4MB

    • MD5

      e453ee4e1a1a3c97ebab67171893ae7f

    • SHA1

      b4c24de8784bb530d549ed1df3716f2640e52d79

    • SHA256

      f33f2b0823a6b41f1632f5d19ebe4d144375781702b3f7b544c6321937f28161

    • SHA512

      d90c6a7b92779478082592af1ff6b378dca8f6469c6a38f4445938ee3b82123a8c578e07392a0f767f76712fa158a9d57988adb4723baccf48724a47fe0921de

    • SSDEEP

      49152:bRPs+XkKb9mSewZPhGDcUovKdd+hHHafaQG0:dPD/tFKdd+ZafaZ0

    • Detect PureCrypter injector

    • PureCrypter

      PureCrypter is a .NET malware loader first seen in early 2021.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks