General

  • Target

    e993a3c9d5843541d742dfd2a0603004cb24431cc152e54042056f33ab1ac9e4_JC.zip

  • Size

    534KB

  • Sample

    230830-w2k2ragh6w

  • MD5

    ab9c6d0aa5ff0157bbf78ebaaff09cb5

  • SHA1

    5e3a6ab47d3e592bc509366cce5dc60eedada093

  • SHA256

    e993a3c9d5843541d742dfd2a0603004cb24431cc152e54042056f33ab1ac9e4

  • SHA512

    17094d61183659f19f1edc1a9cf7303a34ca5e322dedbe0e7e294fd9177c19b11393b35675dc429a3905fec067057a3472121439ecd42a4a498a0263fcacc7b9

  • SSDEEP

    12288:GyG8xiSOVfblAAJMUABsYAvxZVPCwNPx+Y+/mcts:GyG0s/AAeUAO9vxZRN5uts

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      swift copy 01429619.exe

    • Size

      877KB

    • MD5

      91cd93fba6b81b52a33be26725648ea3

    • SHA1

      619c1adc65cc1e7c9cca4b7a9c38c471642512d8

    • SHA256

      f96299e1c7579d62b11c5f2699e9a15bfe3d945b74c30e1bdf986c3ab60f23f1

    • SHA512

      1021e380d49fac5166413b2821ff61ea0fa379448b6821328427b2645c8f4cd94780b6ff0ac5a61b2065f69ef680905136729a121f31ca5f525a1c653f50608d

    • SSDEEP

      24576:Z3LpppNpppppoOQpppNpppppoOiuayAeUHe5vbZtNLS:ZqO7OiAAe1l

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • 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 Enterprise v15

Tasks