General

  • Target

    RP.sfx.exe

  • Size

    10.0MB

  • Sample

    241104-wmcrtsvand

  • MD5

    e335f71c0f053c393626691bd60a58a4

  • SHA1

    0cc99df70cca24c5f96edf36672ea297fe71043f

  • SHA256

    af0c48ca1ed3431b936d489bf1e8255a5d4182bd6164946bd6179ae3f212d0b1

  • SHA512

    eaa5b09100e133cd7241258255c02be262d3f6061774f9d32424922aaae8fa04d148f665d7c61c6f7ac1f1a23e87994b7bc6b0ba7fdd2fd0fa2d4575ac460195

  • SSDEEP

    196608:uchhf7FHaM6MkwG2ea8oQoidqpcO49UEahKBXSmLnS0rCqs2vm9EGgy:dvfBdPG2QzoY1OgUEPV7r9s2+9bgy

Malware Config

Extracted

Family

44caliber

C2

https://discord.com/api/webhooks/1162710207558852689/c241__Tv-C5fSE0jsivUVIhYUTy9AQG_2q-Wedc4i61WcTidBFF8dAoQzbri3Cz5u5KI

Targets

    • Target

      RP.sfx.exe

    • Size

      10.0MB

    • MD5

      e335f71c0f053c393626691bd60a58a4

    • SHA1

      0cc99df70cca24c5f96edf36672ea297fe71043f

    • SHA256

      af0c48ca1ed3431b936d489bf1e8255a5d4182bd6164946bd6179ae3f212d0b1

    • SHA512

      eaa5b09100e133cd7241258255c02be262d3f6061774f9d32424922aaae8fa04d148f665d7c61c6f7ac1f1a23e87994b7bc6b0ba7fdd2fd0fa2d4575ac460195

    • SSDEEP

      196608:uchhf7FHaM6MkwG2ea8oQoidqpcO49UEahKBXSmLnS0rCqs2vm9EGgy:dvfBdPG2QzoY1OgUEPV7r9s2+9bgy

    • 44Caliber

      An open source infostealer written in C#.

    • 44Caliber family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

MITRE ATT&CK Enterprise v15

Tasks