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General

  • Target

    JaffaCakes118_13c8388330ef35426067eb1126dc9e50

  • Size

    1.6MB

  • Sample

    250221-trrensvrbm

  • MD5

    13c8388330ef35426067eb1126dc9e50

  • SHA1

    93b517738e76404e5d30345e21a20e90845f929e

  • SHA256

    2c110832981d01f0214ea91cc248e8110f1272d0eec82f416b9d5c1382ab330e

  • SHA512

    e13fce18c37ad6274667d37e01cd64fd8c6b9f972708ff0534c5856e198750a5efbb7fec2091e14551cf9bd8220745eb0a8f692119cd347a11f86eca57bb79ee

  • SSDEEP

    49152:rvZebB0XQPgYKSCyHaPLNkkQNd7tNTAAr:jsbBJKSPHaDqkQN5DTAa

Malware Config

Targets

    • Target

      JaffaCakes118_13c8388330ef35426067eb1126dc9e50

    • Size

      1.6MB

    • MD5

      13c8388330ef35426067eb1126dc9e50

    • SHA1

      93b517738e76404e5d30345e21a20e90845f929e

    • SHA256

      2c110832981d01f0214ea91cc248e8110f1272d0eec82f416b9d5c1382ab330e

    • SHA512

      e13fce18c37ad6274667d37e01cd64fd8c6b9f972708ff0534c5856e198750a5efbb7fec2091e14551cf9bd8220745eb0a8f692119cd347a11f86eca57bb79ee

    • SSDEEP

      49152:rvZebB0XQPgYKSCyHaPLNkkQNd7tNTAAr:jsbBJKSPHaDqkQN5DTAa

    • ISR Stealer

      ISR Stealer is a modified version of Hackhound Stealer written in visual basic.

    • ISR Stealer payload

    • Isrstealer family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of web browsers

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks