Analysis

  • max time kernel
    119s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    21-01-2025 16:05

General

  • Target

    Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe

  • Size

    807KB

  • MD5

    26c7aa73526769f273ed73844e684cd9

  • SHA1

    538b444037fd8f77af00200e826a5e4aab917015

  • SHA256

    e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602

  • SHA512

    a82f36d8b5b7f9fbe20cc599d01520d7299c452d287141b472d796c849db8faba85dace4c9f50dbc697b17cd5d93f02a73db5cec43aed12452c260cbd356d929

  • SSDEEP

    12288:PNaaJeMNR5mHZCbvlIYihHbnLR1qQ9x5/sdmlx+BVimE5Yp:kluUCRpgHbn5b5NWV5E5a

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

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

  • 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 3 TTPs

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

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe
    "C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2296
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3044
    • C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe
      "C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe"
      2⤵
        PID:2760
      • C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe
        "C:\Users\Admin\AppData\Local\Temp\Sigmanly_e26b0860871046c78f03c38d50b4208dab3478c2decfd616ec8fcc4ed9986602.exe"
        2⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2724

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2296-0-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

      Filesize

      4KB

    • memory/2296-1-0x00000000001F0000-0x00000000002BE000-memory.dmp

      Filesize

      824KB

    • memory/2296-2-0x0000000074BE0000-0x00000000752CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2296-3-0x00000000006A0000-0x00000000006B8000-memory.dmp

      Filesize

      96KB

    • memory/2296-4-0x0000000074BEE000-0x0000000074BEF000-memory.dmp

      Filesize

      4KB

    • memory/2296-5-0x0000000074BE0000-0x00000000752CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2296-6-0x00000000050A0000-0x0000000005122000-memory.dmp

      Filesize

      520KB

    • memory/2296-23-0x0000000074BE0000-0x00000000752CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2724-7-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-14-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2724-9-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-16-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-20-0x0000000074BE0000-0x00000000752CE000-memory.dmp

      Filesize

      6.9MB

    • memory/2724-19-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-10-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-11-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/2724-24-0x0000000074BE0000-0x00000000752CE000-memory.dmp

      Filesize

      6.9MB