General

  • Target

    4.7z

  • Size

    69KB

  • Sample

    241009-ngvrfsxgjf

  • MD5

    9bb908926e46052996e9b1204bb2e5b3

  • SHA1

    d28572d8cb213cd5c2c2f9d58e7b846214dfa544

  • SHA256

    ebbe8ce97106c2b4caddd85bf02f28030340778f1ceee76ab80f4129058d5f0a

  • SHA512

    738a5d11f48579c6e78c69c7a0605de54317e007047faa5e767e8059edd4504622c4e482f917f438bb588f9d510d74862cb72eab1453a7e8a0e572ab399c236b

  • SSDEEP

    1536:EVpu/HAIUR0S2ktvYQ27F/vG575MXV/FtoofEqWCjTMv1v:MIU32ktvHUvaMhwqWCfMv1v

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    162.254.34.31
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ABwuRZS5Mjh5

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Booking_56012.exe

    • Size

      206KB

    • MD5

      83120f5a0cd8bcd617591ec021206a9c

    • SHA1

      ca22698f2d51237c73251f96bf20debdcafd07b9

    • SHA256

      0c9481d5e13d3244edc461205c3bdc7a5819302335e45127528f0724234774a8

    • SHA512

      7e53d703b0f717ce499fd5ed0844cee005913bf3445add48cd32bada0f6bd0594996d2a362e534d8cc3881a61e889ff5e9e0ea7841e8fe62262f6f54a61972f2

    • SSDEEP

      3072:K/nRNnCDDRvLGmrOAOkGt6+duWA/t/SHUebbxCbGgKk12qk/oPYm21KLbDoU1sNj:ystvLGtELbMUTKZj

    • AgentTesla

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • 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