Analysis

  • max time kernel
    66s
  • max time network
    53s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-04-2024 01:34

General

  • Target

    Payment details.exe

  • Size

    706KB

  • MD5

    d88a9970ec7a11ade4a6dfc3d8150496

  • SHA1

    90e72afbb1eed4c0f20fbc8a7ef5e3069ece0eef

  • SHA256

    c159014c79f8dc4d7888b0c092286f9b47fb2b1497dfbfa7c0620d78257127e2

  • SHA512

    54596967f17980e34528c20a2b284edcd03c02dd105d904600cb4e48816b560c201371b2f202db962a1df37dca310dd4a82ed08ab12683ccde74dd404d0a1af2

  • SSDEEP

    12288:GTn3D0uf8+u0wrXN/HoX18jyU0rOcKdIXxIlmQockPZS+/I6YtMl0:Az0uf8+1wriF8grBkIhIlmQocz+/TmM

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
    "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
      "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
      2⤵
        PID:2344
      • C:\Users\Admin\AppData\Local\Temp\Payment details.exe
        "C:\Users\Admin\AppData\Local\Temp\Payment details.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3184

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Payment details.exe.log

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2860-10-0x000000000A4C0000-0x000000000A542000-memory.dmp

      Filesize

      520KB

    • memory/2860-16-0x0000000075060000-0x0000000075810000-memory.dmp

      Filesize

      7.7MB

    • memory/2860-3-0x0000000005420000-0x00000000054B2000-memory.dmp

      Filesize

      584KB

    • memory/2860-4-0x00000000055B0000-0x00000000055C0000-memory.dmp

      Filesize

      64KB

    • memory/2860-5-0x00000000055E0000-0x00000000055EA000-memory.dmp

      Filesize

      40KB

    • memory/2860-6-0x0000000007DF0000-0x0000000007E8E000-memory.dmp

      Filesize

      632KB

    • memory/2860-7-0x0000000007D50000-0x0000000007D68000-memory.dmp

      Filesize

      96KB

    • memory/2860-11-0x000000000D5E0000-0x000000000D67C000-memory.dmp

      Filesize

      624KB

    • memory/2860-9-0x00000000065A0000-0x00000000065B4000-memory.dmp

      Filesize

      80KB

    • memory/2860-2-0x00000000059D0000-0x0000000005F74000-memory.dmp

      Filesize

      5.6MB

    • memory/2860-8-0x0000000006590000-0x000000000659E000-memory.dmp

      Filesize

      56KB

    • memory/2860-0-0x0000000000970000-0x0000000000A26000-memory.dmp

      Filesize

      728KB

    • memory/2860-1-0x0000000075060000-0x0000000075810000-memory.dmp

      Filesize

      7.7MB

    • memory/3184-19-0x0000000006BD0000-0x0000000006C20000-memory.dmp

      Filesize

      320KB

    • memory/3184-17-0x0000000005270000-0x0000000005280000-memory.dmp

      Filesize

      64KB

    • memory/3184-15-0x0000000075060000-0x0000000075810000-memory.dmp

      Filesize

      7.7MB

    • memory/3184-18-0x00000000053F0000-0x0000000005456000-memory.dmp

      Filesize

      408KB

    • memory/3184-12-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/3184-20-0x0000000075060000-0x0000000075810000-memory.dmp

      Filesize

      7.7MB

    • memory/3184-21-0x0000000005270000-0x0000000005280000-memory.dmp

      Filesize

      64KB