Analysis

  • max time kernel
    103s
  • max time network
    94s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    10/08/2020, 18:30

General

  • Target
    SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe
  • Size 428KB
  • Sample200810-2hc3artwls
  • SHA256 897a1305d267937baedeaf75e35e386efbb9c5d7d66819aaecfd885e84196142
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    smtp

  • Host

    mail.qatarpharmas.org

  • Port

    587

  • Password

    v~t-0~GGykudc@r&u*

Signatures

  • AgentTesla

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • AgentTesla Payload 5 IoCs
  • 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.

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.BackDoor.SiggenNET.5.5155.7212.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3924

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3676-0-0x0000000073BA0000-0x000000007428E000-memory.dmp

        memory/3676-1-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

        memory/3676-3-0x0000000005800000-0x0000000005801000-memory.dmp

        memory/3676-4-0x00000000053A0000-0x00000000053A1000-memory.dmp

        memory/3676-5-0x0000000005380000-0x0000000005381000-memory.dmp

        memory/3676-6-0x0000000002C90000-0x0000000002CD7000-memory.dmp

        memory/3676-11-0x00000000078D0000-0x0000000007922000-memory.dmp

        memory/3924-12-0x0000000000400000-0x0000000000458000-memory.dmp

        memory/3924-14-0x0000000073BA0000-0x000000007428E000-memory.dmp

        memory/3924-18-0x00000000059E0000-0x00000000059E1000-memory.dmp

        memory/3924-19-0x0000000005A90000-0x0000000005A91000-memory.dmp

        memory/3924-20-0x0000000006570000-0x0000000006571000-memory.dmp