General

  • Target

    QUOTATION NCBGRTF-576TER4.ZST.rar

  • Size

    615KB

  • Sample

    240625-qtjaaswbjp

  • MD5

    c36883c704009e09ab9db989cf0b0878

  • SHA1

    ee01dfeeb9bff68f96b70b6ba236351a1353ab6f

  • SHA256

    d8ddd0067d7782fa53a9d6e58fb9f6c77c8186442c8e2a1fa74ffd648b18ba3a

  • SHA512

    7f464f592b7ced09c2be3535c34c3f51a785cab5b6c19c0a26f25782028fd4c8fc27b89d18c7d289df231f3608e679ccf259e7acfad66a50932b8b529db69222

  • SSDEEP

    12288:PL0bfxPyDvPOPwQwUNVbb33RX9uM/DpbxdxlUO3PClSRwa2i:Pgbp+O4B4vxNuMFbxdx6UPCPXi

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      QUOTATION NCBGRTF-576TER4.exe

    • Size

      664KB

    • MD5

      c57ad0dbc9dceace1246c3c214c07e36

    • SHA1

      726c14f36fe0af605cd8e6d0c5bf63d5deb529b0

    • SHA256

      faf0e3fa2a040e49e3abeb69849e3a25ff621bc8499c70dcceb577ba89bb5929

    • SHA512

      afc87775b1573d69c68a45d3972b30f3f35ef2ceb8d1685402fee4370de84a4ea2e537849428961d58376278ef3a2b81d41b8ebc7bfe594dba0f16fd955f06ba

    • SSDEEP

      12288:zLkwtNfNkEDFKks0q3D1xfCB5ONL5ywfsXm3GjRm15784hUQFofBDlYk7TX:nrkzksx3D/fCBgrfkm3GjRm378aoJu

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • 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.

    • 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