Analysis

  • max time kernel
    146s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230221-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230221-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/06/2023, 14:38

General

  • Target
    SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe
  • Size 791KB
  • Sample230609-rzpvpscd28
  • SHA256 a34d64d2dc1a0f3bb6ffa8f44882eea76f3ae20f493f546008679dd1ba8736fb
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

C2
  • https://api.telegram.org/bot6065390312:AAHITY0Cpait9qz75kHoNw30slpj1yIIn7Y/

Signatures

  • AgentTesla

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

  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1628
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe"
      2⤵
        PID:3736
      • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe
        "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:3656

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.Siggen20.61320.429.3015.exe.log
          • Size 1KB
          • SHA256 7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982
          • MD5 SHA1 SHA512

          memory/1628-139-0x0000000004D80000-0x0000000004D90000-memory.dmp

          memory/1628-135-0x0000000004BA0000-0x0000000004C32000-memory.dmp

          memory/1628-136-0x0000000004B40000-0x0000000004B4A000-memory.dmp

          memory/1628-137-0x0000000004E30000-0x0000000004ECC000-memory.dmp

          memory/1628-138-0x0000000004D80000-0x0000000004D90000-memory.dmp

          memory/1628-133-0x00000000000E0000-0x00000000001AA000-memory.dmp

          memory/1628-134-0x00000000050B0000-0x0000000005654000-memory.dmp

          memory/3656-140-0x0000000000400000-0x0000000000430000-memory.dmp

          memory/3656-143-0x0000000001F60000-0x0000000001FC6000-memory.dmp

          memory/3656-144-0x00000000059B0000-0x00000000059C0000-memory.dmp

          memory/3656-146-0x00000000066B0000-0x0000000006700000-memory.dmp

          memory/3656-147-0x00000000068D0000-0x0000000006A92000-memory.dmp

          memory/3656-154-0x00000000059B0000-0x00000000059C0000-memory.dmp