Analysis

  • max time kernel
    152s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    19-04-2024 01:02

General

  • Target

    f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe

  • Size

    863KB

  • MD5

    f927f2ce41569d1d2c5a576d93374ace

  • SHA1

    1493b82cd46be1ef2fb45bc12c432d0bcf175a90

  • SHA256

    1e3432a2d3072ee5958b26e15d97ca1f6734c3522e701682b237544f5eb66645

  • SHA512

    38683269641058931c9f33aa3ea817ecbd1ce66afb353f4e85be3ef19af494016ec81cbbf63d269737a07a9f6a0f2feda5044183bf0f53d576740b9fce88dcff

  • SSDEEP

    12288:w1cfM/nlPljFQnV40j1yxdTw+MSOVtki1Nv0IeGN+grplH6eUNFje1jwt2NjFoO4:w1Fnl9jFQGdwlOeNv0IIgrXccjwMNjR

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.ifyportal.msratnigbureau.com/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    Ci=q&_lH#LWf

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.

  • 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).

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4284
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3084
    • C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\f927f2ce41569d1d2c5a576d93374ace_JaffaCakes118.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      PID:1884
  • 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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:2284

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Persistence

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Privilege Escalation

    Boot or Logon Autostart Execution

    1
    T1547

    Registry Run Keys / Startup Folder

    1
    T1547.001

    Defense Evasion

    Modify Registry

    1
    T1112

    Discovery

    Query Registry

    1
    T1012

    System Information Discovery

    2
    T1082

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vmpj1eee.idj.ps1
      Filesize

      60B

      MD5

      d17fe0a3f47be24a6453e9ef58c94641

      SHA1

      6ab83620379fc69f80c0242105ddffd7d98d5d9d

      SHA256

      96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

      SHA512

      5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

    • memory/1884-12-0x0000000000400000-0x000000000043C000-memory.dmp
      Filesize

      240KB

    • memory/1884-66-0x00000000057C0000-0x00000000057D0000-memory.dmp
      Filesize

      64KB

    • memory/1884-64-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/1884-51-0x0000000005A10000-0x0000000005A28000-memory.dmp
      Filesize

      96KB

    • memory/1884-14-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/3084-23-0x0000000005A70000-0x0000000005AD6000-memory.dmp
      Filesize

      408KB

    • memory/3084-34-0x0000000006A70000-0x0000000006A8E000-memory.dmp
      Filesize

      120KB

    • memory/3084-63-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/3084-60-0x00000000080B0000-0x00000000080B8000-memory.dmp
      Filesize

      32KB

    • memory/3084-59-0x00000000080D0000-0x00000000080EA000-memory.dmp
      Filesize

      104KB

    • memory/3084-58-0x0000000007FD0000-0x0000000007FE4000-memory.dmp
      Filesize

      80KB

    • memory/3084-57-0x0000000007FC0000-0x0000000007FCE000-memory.dmp
      Filesize

      56KB

    • memory/3084-56-0x0000000007F90000-0x0000000007FA1000-memory.dmp
      Filesize

      68KB

    • memory/3084-16-0x00000000030D0000-0x0000000003106000-memory.dmp
      Filesize

      216KB

    • memory/3084-15-0x0000000005690000-0x00000000056A0000-memory.dmp
      Filesize

      64KB

    • memory/3084-17-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/3084-18-0x0000000005690000-0x00000000056A0000-memory.dmp
      Filesize

      64KB

    • memory/3084-55-0x0000000008010000-0x00000000080A6000-memory.dmp
      Filesize

      600KB

    • memory/3084-20-0x0000000005CD0000-0x00000000062F8000-memory.dmp
      Filesize

      6.2MB

    • memory/3084-21-0x00000000058F0000-0x0000000005912000-memory.dmp
      Filesize

      136KB

    • memory/3084-22-0x0000000005990000-0x00000000059F6000-memory.dmp
      Filesize

      408KB

    • memory/3084-54-0x0000000007E00000-0x0000000007E0A000-memory.dmp
      Filesize

      40KB

    • memory/3084-53-0x0000000007D90000-0x0000000007DAA000-memory.dmp
      Filesize

      104KB

    • memory/3084-29-0x0000000006400000-0x0000000006754000-memory.dmp
      Filesize

      3.3MB

    • memory/3084-52-0x00000000083E0000-0x0000000008A5A000-memory.dmp
      Filesize

      6.5MB

    • memory/3084-35-0x0000000006B00000-0x0000000006B4C000-memory.dmp
      Filesize

      304KB

    • memory/3084-36-0x0000000005690000-0x00000000056A0000-memory.dmp
      Filesize

      64KB

    • memory/3084-37-0x000000007FB40000-0x000000007FB50000-memory.dmp
      Filesize

      64KB

    • memory/3084-38-0x0000000007060000-0x0000000007092000-memory.dmp
      Filesize

      200KB

    • memory/3084-39-0x0000000070910000-0x000000007095C000-memory.dmp
      Filesize

      304KB

    • memory/3084-49-0x0000000007040000-0x000000000705E000-memory.dmp
      Filesize

      120KB

    • memory/3084-50-0x0000000007A60000-0x0000000007B03000-memory.dmp
      Filesize

      652KB

    • memory/4284-6-0x0000000004CB0000-0x0000000004CBA000-memory.dmp
      Filesize

      40KB

    • memory/4284-7-0x0000000005190000-0x00000000051AA000-memory.dmp
      Filesize

      104KB

    • memory/4284-4-0x0000000004D90000-0x0000000004E2C000-memory.dmp
      Filesize

      624KB

    • memory/4284-0-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/4284-19-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/4284-5-0x0000000004F70000-0x0000000004F80000-memory.dmp
      Filesize

      64KB

    • memory/4284-3-0x0000000004CF0000-0x0000000004D82000-memory.dmp
      Filesize

      584KB

    • memory/4284-11-0x0000000000D50000-0x0000000000D8C000-memory.dmp
      Filesize

      240KB

    • memory/4284-10-0x0000000000CB0000-0x0000000000D52000-memory.dmp
      Filesize

      648KB

    • memory/4284-9-0x0000000004F70000-0x0000000004F80000-memory.dmp
      Filesize

      64KB

    • memory/4284-8-0x0000000074AD0000-0x0000000075280000-memory.dmp
      Filesize

      7.7MB

    • memory/4284-2-0x0000000005200000-0x00000000057A4000-memory.dmp
      Filesize

      5.6MB

    • memory/4284-1-0x0000000000220000-0x00000000002FE000-memory.dmp
      Filesize

      888KB