Analysis

  • max time kernel
    124s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    21-05-2022 00:21

General

  • Target

    SPECIFICATIONS AND 3D DRAWING P.ORDER.bat.exe

  • Size

    903KB

  • MD5

    1b96a95d241eff57fbc9b0d0eca5a4f7

  • SHA1

    eeb0119eb00d6fe0ea3ddbe6355c8fff060d90b4

  • SHA256

    88c038e049a04957586fb84da764a6f75e6707a1fb314a7bf4a07dd6d230b572

  • SHA512

    0d4800f4ad24150fd73ccdc4d96348f280df0e338a53aa1a356120a2b88f78ffb92527b6749412fe6f5bee89b1e57a044e5f9023b339de6169a9922aeb133965

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Chinedu2@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Chinedu2@

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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS AND 3D DRAWING P.ORDER.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS AND 3D DRAWING P.ORDER.bat.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1276
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\&startupname&" /XML "C:\Users\Admin\AppData\Local\Temp\tmpBA67.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1612
    • C:\Users\Admin\AppData\Local\Temp\SPECIFICATIONS AND 3D DRAWING P.ORDER.bat.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1824

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\SPECIFICATIONS AND 3D DRAWING P.ORDER.bat.exe.log
    Filesize

    408B

    MD5

    e91022c75f1fa509d5e885934455081e

    SHA1

    cd2969406b78ad33a99dbd7ca4d1fa642b378803

    SHA256

    fa4e0be2df98aada3922e271a2a6af45975cd109aba4698627bb27a4f72e1851

    SHA512

    d89426367e230d7f4dddcce838d30f018965947ede3849e89c3cf345861db86a5ae7f83622444ba569e4e160977dcc7169507fa563bad8adb5a9d8cab8badd97

  • C:\Users\Admin\AppData\Local\Temp\tmpBA67.tmp
    Filesize

    1KB

    MD5

    46774540e2c22809b4f81c4d52077606

    SHA1

    4ef6f31f28a393ccd31574ad8765ba61290f23ec

    SHA256

    3f782b746a9aee51d09992f92f6eb50a36cb55a642c8d4bcee7719c3a155c8d6

    SHA512

    f3c78c6a7dbff1456d40a707a627c28c7bd3f59929be72c73853ea148a004b11450b51c9a51ce9ca64d7dbf20f1bf087e7736cf31c56d04a4eeba684670dc28f

  • memory/1276-130-0x00000000751E0000-0x0000000075791000-memory.dmp
    Filesize

    5.7MB

  • memory/1612-131-0x0000000000000000-mapping.dmp
  • memory/1824-133-0x0000000000000000-mapping.dmp
  • memory/1824-134-0x0000000000400000-0x000000000044C000-memory.dmp
    Filesize

    304KB

  • memory/1824-136-0x00000000751E0000-0x0000000075791000-memory.dmp
    Filesize

    5.7MB