Analysis

  • max time kernel
    142s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-06-2024 10:23

General

  • Target

    Zamwnr90016288247ZNG1406MG2024004782922.pdf.exe

  • Size

    2.0MB

  • MD5

    d81b4a2a5f96fb13ba259a1fae296ace

  • SHA1

    ba47840dfff065356f10a05464c75c6a4cb70b7a

  • SHA256

    c685ab98e1910af3a51286a6d68d706e2a7be5298f74c061f98b9e87e290d357

  • SHA512

    586908b31e61657f9f55b914f5b3a5b232ea1d1219025d2765a8d5f5bf35aa127d610d82c597bc38ddc8d69167179f068949a72ae28ab2f9732f0b2f76ba7bb8

  • SSDEEP

    24576:kynjN3fi9dEoZR814OEQjls30eTFxmT4i8eMOq52tOXuq01dKqOFCBvx1prO:VjN3CdJ81nEQhs30eruqsrOFCBbprO

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Zamwnr90016288247ZNG1406MG2024004782922.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\Zamwnr90016288247ZNG1406MG2024004782922.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:560
  • 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=4220 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3972

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/560-0-0x0000000000400000-0x0000000000440000-memory.dmp

      Filesize

      256KB

    • memory/560-1-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

      Filesize

      4KB

    • memory/560-2-0x0000000005F40000-0x00000000064E4000-memory.dmp

      Filesize

      5.6MB

    • memory/560-3-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB

    • memory/560-4-0x00000000058E0000-0x0000000005946000-memory.dmp

      Filesize

      408KB

    • memory/560-5-0x0000000006CE0000-0x0000000006D30000-memory.dmp

      Filesize

      320KB

    • memory/560-6-0x0000000006DD0000-0x0000000006E62000-memory.dmp

      Filesize

      584KB

    • memory/560-7-0x0000000006D50000-0x0000000006D5A000-memory.dmp

      Filesize

      40KB

    • memory/560-8-0x0000000074AEE000-0x0000000074AEF000-memory.dmp

      Filesize

      4KB

    • memory/560-9-0x0000000074AE0000-0x0000000075290000-memory.dmp

      Filesize

      7.7MB