Analysis

  • max time kernel
    52s
  • max time network
    54s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12-06-2024 02:12

General

  • Target

    Consigment Docs.exe

  • Size

    712KB

  • MD5

    d1022b868084f1b66bfa7886d99beb6a

  • SHA1

    260ea9ea5fc5169f4e0c4801cf1bbb8f1b77c2d2

  • SHA256

    ae56de5b8d4d89c0644b5dca19f74228561188657b2c6b034837c6c51572ff8a

  • SHA512

    6b59f5edcf84ce66f40e26fc8bba0f913ca2a21b909fa55e6071bfe0342b42b5f75a1e89c87b8178979f8cb39be253272b3959154af8ba12a8ece63d5f782620

  • SSDEEP

    12288:LaCR5leZlN2EwXWoS+fTRzbiuaGvIAs7BMCqjXfaCmiikzaG8liSeXgj3HRYojzN:G+ergZWo31G/JdEjXfa/P6unLHh/F

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Consigment Docs.exe
    "C:\Users\Admin\AppData\Local\Temp\Consigment Docs.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Users\Admin\AppData\Local\Temp\Consigment Docs.exe
      "C:\Users\Admin\AppData\Local\Temp\Consigment Docs.exe"
      2⤵
        PID:4828
      • C:\Users\Admin\AppData\Local\Temp\Consigment Docs.exe
        "C:\Users\Admin\AppData\Local\Temp\Consigment Docs.exe"
        2⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:2532

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • memory/2532-10-0x0000000000400000-0x0000000000442000-memory.dmp

      Filesize

      264KB

    • memory/2532-18-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2532-17-0x0000000006940000-0x0000000006990000-memory.dmp

      Filesize

      320KB

    • memory/2532-15-0x0000000005190000-0x00000000051F6000-memory.dmp

      Filesize

      408KB

    • memory/2532-16-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2532-13-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-4-0x0000000005040000-0x000000000504A000-memory.dmp

      Filesize

      40KB

    • memory/2964-8-0x00000000066D0000-0x0000000006752000-memory.dmp

      Filesize

      520KB

    • memory/2964-9-0x0000000007D40000-0x0000000007DDC000-memory.dmp

      Filesize

      624KB

    • memory/2964-7-0x00000000028D0000-0x00000000028E0000-memory.dmp

      Filesize

      64KB

    • memory/2964-6-0x0000000005630000-0x0000000005652000-memory.dmp

      Filesize

      136KB

    • memory/2964-5-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-14-0x0000000075000000-0x00000000757B0000-memory.dmp

      Filesize

      7.7MB

    • memory/2964-0-0x000000007500E000-0x000000007500F000-memory.dmp

      Filesize

      4KB

    • memory/2964-3-0x00000000050B0000-0x0000000005142000-memory.dmp

      Filesize

      584KB

    • memory/2964-2-0x0000000005660000-0x0000000005C04000-memory.dmp

      Filesize

      5.6MB

    • memory/2964-1-0x00000000005A0000-0x0000000000656000-memory.dmp

      Filesize

      728KB