Analysis

  • max time kernel
    125s
  • max time network
    121s
  • platform
    windows10_x64
  • resource
    win10-en-20211208
  • submitted
    22/12/2021, 01:56

General

  • Target
    STATEMENT OF ACCOUNT.exe
  • Size 644KB
  • Sample211222-ccph4affbr
  • SHA256 606c0fba8a5d431c5e2f2def1d52fa9dd68d0fb9ae415c25ef7b3b8895317add
  • MD5 SHA1 SHA512

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.jindalpackaging.in

  • Port

    587

  • Password

    Jindal@Info##

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 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\STATEMENT OF ACCOUNT.exe
    "C:\Users\Admin\AppData\Local\Temp\STATEMENT OF ACCOUNT.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2780
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ldmoyAjVe" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9C2C.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3504
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "{path}"
      2⤵
      • Drops file in Drivers directory
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1368

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/1368-135-0x0000000005F50000-0x0000000005F51000-memory.dmp

        memory/1368-134-0x00000000052E0000-0x00000000052E1000-memory.dmp

        memory/1368-133-0x0000000005260000-0x000000000575E000-memory.dmp

        memory/1368-127-0x0000000000400000-0x000000000043C000-memory.dmp

        memory/2780-120-0x0000000005410000-0x000000000590E000-memory.dmp

        memory/2780-123-0x0000000007A40000-0x0000000007AB5000-memory.dmp

        memory/2780-124-0x0000000009FB0000-0x0000000009FE8000-memory.dmp

        memory/2780-122-0x0000000005710000-0x0000000005715000-memory.dmp

        memory/2780-121-0x0000000005570000-0x0000000005571000-memory.dmp

        memory/2780-115-0x0000000000AC0000-0x0000000000AC1000-memory.dmp

        memory/2780-119-0x0000000005610000-0x0000000005611000-memory.dmp

        memory/2780-118-0x00000000054D0000-0x00000000054D1000-memory.dmp

        memory/2780-117-0x0000000005910000-0x0000000005911000-memory.dmp