General

  • Target

    57b28449a18693f09f34ba59a45d45075fab204b53510154a8b4325c25011d11.7z

  • Size

    443KB

  • Sample

    240519-brfdasba84

  • MD5

    a50c4821611a79ba09fe7bbca75e4afb

  • SHA1

    1a1922f4dfa06e555e0ca535c11186a3173eee8d

  • SHA256

    57b28449a18693f09f34ba59a45d45075fab204b53510154a8b4325c25011d11

  • SHA512

    ae58e4ea4c77b974849c4b49f6953ae1041ba185501825df1b9eadeed61b130f07d9a01258dbc9661f3453034a9aec49678f2d04de7af7e954ef23e1a1b0a415

  • SSDEEP

    12288:uXq3wupwFohP2Lk6GxkSEWCB6i1DohtpqKJv9KuUV1+:SqAupHhP2nSQ2h2K7Kh+

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      New order.exe

    • Size

      937KB

    • MD5

      edff6ebaba458e4a2d35de645fa2f104

    • SHA1

      549076de88e051109d387169f7e152864099c474

    • SHA256

      b3ac3ae44c087c5dc5d42c5ea8531e82f47cc6740da571a7c60624dfdb436469

    • SHA512

      91cd2f7e7e292602194cf3a400fc01e9fcf882c83e84b8997910d1d2d749ba5e423b39a25b146f3f87377b1a2256b1c8723d790aa4628f29a480f644cdb18fdf

    • SSDEEP

      24576:k+0MVCW4TGOIQ3JEcTyeOOYJExtGfVH8k1q:k+VQZEcTnOuxtGfVH8t

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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