Analysis

  • max time kernel
    146s
  • max time network
    180s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 11:52

General

  • Target

    order product list.exe

  • Size

    574KB

  • MD5

    b7d4ecf747a1e5a4a04179f775c50abb

  • SHA1

    d0e4ebcf70a56c9c57f96e94f54aae9749a4ac3d

  • SHA256

    fc6d76b83d4292945015a7a7b9440f510732a070d9d1cefd26fc3d46591cca9f

  • SHA512

    5ae36c69ef09d9ae7677094ad7928031b6cf484bbde606a9e74fd10d0e6f0c3cbd45c7f16e5b93a1a1f4dedda82ce1a0ed3d61e6482e01617935ef96a3a53f15

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.goa-usa.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    SQeUpB%7

Signatures

  • AgentTesla

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

  • AgentTesla Payload 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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
  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\order product list.exe
    "C:\Users\Admin\AppData\Local\Temp\order product list.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:5056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\CjrPimTz" /XML "C:\Users\Admin\AppData\Local\Temp\tmp3AF6.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4444
    • C:\Users\Admin\AppData\Local\Temp\order product list.exe
      "C:\Users\Admin\AppData\Local\Temp\order product list.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • outlook_office_path
      • outlook_win_path
      PID:2416
      • C:\Windows\SysWOW64\netsh.exe
        "netsh" wlan show profile
        3⤵
          PID:4652

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\order product list.exe.log
      Filesize

      1KB

      MD5

      8ec831f3e3a3f77e4a7b9cd32b48384c

      SHA1

      d83f09fd87c5bd86e045873c231c14836e76a05c

      SHA256

      7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

      SHA512

      26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

    • C:\Users\Admin\AppData\Local\Temp\tmp3AF6.tmp
      Filesize

      1KB

      MD5

      f4993fe3179c56ba8e181057a75cac26

      SHA1

      697f5044bf6db48eed0ee18048fb272afc909512

      SHA256

      fc81225c08d1ea05b30ba8ff37d2821db215c023830142836481abc4d7c42f32

      SHA512

      e9d20b61fddf9274266356f80c1995f2fb74fdf2e15f7d3f15f4fbacd2c07490672023ce01f669bcc0b030780c7554827bd451bb948e06faf0622facb356afa9

    • memory/2416-137-0x0000000000000000-mapping.dmp
    • memory/2416-138-0x0000000000400000-0x0000000000452000-memory.dmp
      Filesize

      328KB

    • memory/2416-140-0x0000000005D20000-0x0000000005D86000-memory.dmp
      Filesize

      408KB

    • memory/2416-141-0x00000000069B0000-0x0000000006A00000-memory.dmp
      Filesize

      320KB

    • memory/4444-135-0x0000000000000000-mapping.dmp
    • memory/4652-142-0x0000000000000000-mapping.dmp
    • memory/5056-132-0x0000000004D40000-0x0000000004DD2000-memory.dmp
      Filesize

      584KB

    • memory/5056-133-0x0000000004E00000-0x0000000004E0A000-memory.dmp
      Filesize

      40KB

    • memory/5056-134-0x0000000007660000-0x00000000076FC000-memory.dmp
      Filesize

      624KB

    • memory/5056-130-0x0000000000320000-0x00000000003B4000-memory.dmp
      Filesize

      592KB

    • memory/5056-131-0x00000000053D0000-0x0000000005974000-memory.dmp
      Filesize

      5.6MB