General

  • Target

    test.exe

  • Size

    454KB

  • Sample

    230129-cer21ahd97

  • MD5

    21244087a7dcba699f7ad63c4c0346f6

  • SHA1

    98ec31fb127c164bcc0f222fc6981c76cea6cb48

  • SHA256

    e0eb3b8f19ab1ce1c0ead9b342a31b6c1289311fcd23adbe02234f98949af360

  • SHA512

    23b8624dd0c25ef544a2275acebd7ca36c906a3289b5b51ad610e5a0e2550b5aa18a7384b019acf6ce22c3de9a4a73e9128492e1b66758b99948a70134689a5b

  • SSDEEP

    12288:D3h1nHLnHesNJhMfb9BWnqq/z4QCBNHTsbq43Y:D3h1bHpJh4bmVzKBNHTs+l

Malware Config

Targets

    • Target

      test.exe

    • Size

      454KB

    • MD5

      21244087a7dcba699f7ad63c4c0346f6

    • SHA1

      98ec31fb127c164bcc0f222fc6981c76cea6cb48

    • SHA256

      e0eb3b8f19ab1ce1c0ead9b342a31b6c1289311fcd23adbe02234f98949af360

    • SHA512

      23b8624dd0c25ef544a2275acebd7ca36c906a3289b5b51ad610e5a0e2550b5aa18a7384b019acf6ce22c3de9a4a73e9128492e1b66758b99948a70134689a5b

    • SSDEEP

      12288:D3h1nHLnHesNJhMfb9BWnqq/z4QCBNHTsbq43Y:D3h1bHpJh4bmVzKBNHTs+l

    • 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

    • 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

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