Analysis

  • max time kernel
    141s
  • 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
    04/04/2024, 11:06

General

  • Target
    b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe
  • Size 615KB
  • Sample240404-m7le2adb61
  • SHA256 8947b59e82b1518358d0cd119d2b1f9fcb732bb84b36a3ec6a3eaddc2909f67c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    smtp

  • Host

    mail.sautiyapwanifm.com

  • Port

    587

  • Password

    Uwada12345

Signatures

  • AgentTesla

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

  • AgentTesla payload 1 IoCs
  • Drops file in Drivers directory 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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).

  • 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4992
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\LcGdLu" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE412.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:4420
    • C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\b6b11ce450f713daa2e27dc07c2652a7_JaffaCakes118.exe"
      2⤵
      • Drops file in Drivers directory
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4564
  • 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=4136 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:1784

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          memory/4564-16-0x0000000000400000-0x000000000043C000-memory.dmp

          memory/4564-25-0x0000000005280000-0x0000000005290000-memory.dmp

          memory/4564-24-0x0000000074520000-0x0000000074CD0000-memory.dmp

          memory/4564-22-0x0000000005E50000-0x0000000005EB6000-memory.dmp

          memory/4564-21-0x0000000005230000-0x0000000005248000-memory.dmp

          memory/4564-19-0x0000000005280000-0x0000000005290000-memory.dmp

          memory/4564-18-0x0000000074520000-0x0000000074CD0000-memory.dmp

          memory/4992-4-0x0000000005890000-0x00000000058A0000-memory.dmp

          memory/4992-8-0x0000000005890000-0x00000000058A0000-memory.dmp

          memory/4992-9-0x0000000006DF0000-0x0000000006E8C000-memory.dmp

          memory/4992-10-0x0000000006F40000-0x0000000006FA0000-memory.dmp

          memory/4992-7-0x0000000074520000-0x0000000074CD0000-memory.dmp

          memory/4992-6-0x0000000005C20000-0x0000000005C2A000-memory.dmp

          memory/4992-5-0x0000000005850000-0x000000000585A000-memory.dmp

          memory/4992-20-0x0000000074520000-0x0000000074CD0000-memory.dmp

          memory/4992-0-0x0000000074520000-0x0000000074CD0000-memory.dmp

          memory/4992-3-0x0000000005790000-0x0000000005822000-memory.dmp

          memory/4992-2-0x0000000005C40000-0x00000000061E4000-memory.dmp

          memory/4992-1-0x0000000000D50000-0x0000000000DF0000-memory.dmp