Analysis

  • max time kernel
    142s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 01:21

General

  • Target

    Docs.exe

  • Size

    748KB

  • MD5

    28da32c1cf8ead709f4888f84a697c28

  • SHA1

    45122f3c46fb3400cc6710a830a259da54b07298

  • SHA256

    c10f8bc18521b4c90063ae5fc1e0e95e40ed35be3758d90f597d7cc1e3853ade

  • SHA512

    6d67f361a2f126e35f31e0ff5298bed2ee36e0262a8d71ec5254277c2ed122d9769bb7cc168d00b47616fd381f625a1a6542854c84d9c7cc184c607312fdef13

  • SSDEEP

    12288:90K/pbM4nsSz3ITyeYmaNKiz4xrreLpSYHK6rPILRwwAF9:90iM4nuTyVXNDz4xIYGK2Wg9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alkuwaiti.com
  • Port:
    587
  • Username:
    electronics@alkuwaiti.com
  • Password:
    Ele@1804

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.alkuwaiti.com
  • Port:
    587
  • Username:
    electronics@alkuwaiti.com
  • Password:
    Ele@1804
  • Email To:
    successbright053@gmail.com

Signatures

  • AgentTesla

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

  • 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 2 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
  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Docs.exe
    "C:\Users\Admin\AppData\Local\Temp\Docs.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3516
    • C:\Users\Admin\AppData\Local\Temp\Docs.exe
      "C:\Users\Admin\AppData\Local\Temp\Docs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1836
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1316 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3208

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Credential Access

    Unsecured Credentials

    4
    T1552

    Credentials In Files

    3
    T1552.001

    Credentials in Registry

    1
    T1552.002

    Collection

    Data from Local System

    4
    T1005

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1836-12-0x0000000000400000-0x0000000000440000-memory.dmp
      Filesize

      256KB

    • memory/1836-19-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/1836-18-0x0000000007020000-0x0000000007070000-memory.dmp
      Filesize

      320KB

    • memory/1836-17-0x00000000059F0000-0x0000000005A56000-memory.dmp
      Filesize

      408KB

    • memory/1836-16-0x00000000059E0000-0x00000000059F0000-memory.dmp
      Filesize

      64KB

    • memory/1836-14-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/3516-4-0x0000000005C40000-0x0000000005C50000-memory.dmp
      Filesize

      64KB

    • memory/3516-7-0x0000000005E10000-0x0000000005E28000-memory.dmp
      Filesize

      96KB

    • memory/3516-8-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/3516-9-0x0000000005E60000-0x0000000005E6E000-memory.dmp
      Filesize

      56KB

    • memory/3516-10-0x0000000007110000-0x0000000007124000-memory.dmp
      Filesize

      80KB

    • memory/3516-11-0x00000000099F0000-0x0000000009A72000-memory.dmp
      Filesize

      520KB

    • memory/3516-6-0x0000000005C50000-0x0000000005CEC000-memory.dmp
      Filesize

      624KB

    • memory/3516-5-0x0000000005B80000-0x0000000005B8A000-memory.dmp
      Filesize

      40KB

    • memory/3516-15-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/3516-0-0x0000000074C10000-0x00000000753C0000-memory.dmp
      Filesize

      7.7MB

    • memory/3516-3-0x00000000059E0000-0x0000000005A72000-memory.dmp
      Filesize

      584KB

    • memory/3516-2-0x0000000005EF0000-0x0000000006494000-memory.dmp
      Filesize

      5.6MB

    • memory/3516-1-0x0000000000F30000-0x0000000000FEE000-memory.dmp
      Filesize

      760KB