Analysis

  • max time kernel
    139s
  • max time network
    163s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-05-2024 20:28

General

  • Target

    30e9206ec9838aac54167888768f4911_JaffaCakes118.exe

  • Size

    819KB

  • MD5

    30e9206ec9838aac54167888768f4911

  • SHA1

    5124426ce06d24545b6c2675d002dd81065fdcdc

  • SHA256

    aaf19aea750aad14cca5ccf1e3b9fd8eccc0d5065b73780ffdb9889f47246eb6

  • SHA512

    3af1ef2bdd98bfb2347787dbd75edfbae6437204573936aefd20887f9944d39e9fcad658b5a772a358c2d3d7855f8dc3658cf3292167ac33ec3a66bd66518370

  • SSDEEP

    24576:UiDCC7a4syWe2U/UKJlKlxtB0QdasKtfKnrzi0:U/f4sy12U/UKTKbbvK0rz1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    myrecords1248@

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 9 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\30e9206ec9838aac54167888768f4911_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\30e9206ec9838aac54167888768f4911_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3220
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
      2⤵
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3276
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:2944
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holderwb.txt"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4932
  • 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=4104 --field-trial-handle=2280,i,11703952675008463361,17436195144517971517,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:3224

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\holderwb.txt

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/2944-28-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2944-34-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2944-32-0x0000000000420000-0x00000000004E9000-memory.dmp

      Filesize

      804KB

    • memory/2944-31-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/2944-30-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/3220-8-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3220-6-0x0000000005100000-0x000000000510C000-memory.dmp

      Filesize

      48KB

    • memory/3220-0-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

      Filesize

      4KB

    • memory/3220-9-0x00000000066E0000-0x000000000677C000-memory.dmp

      Filesize

      624KB

    • memory/3220-12-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3220-1-0x00000000006E0000-0x00000000007B4000-memory.dmp

      Filesize

      848KB

    • memory/3220-2-0x00000000050D0000-0x00000000050F0000-memory.dmp

      Filesize

      128KB

    • memory/3220-7-0x0000000074C1E000-0x0000000074C1F000-memory.dmp

      Filesize

      4KB

    • memory/3220-3-0x00000000051B0000-0x0000000005242000-memory.dmp

      Filesize

      584KB

    • memory/3220-4-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3220-5-0x0000000005930000-0x0000000005ED4000-memory.dmp

      Filesize

      5.6MB

    • memory/3276-15-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3276-17-0x0000000004DB0000-0x0000000004E06000-memory.dmp

      Filesize

      344KB

    • memory/3276-23-0x0000000008150000-0x00000000081B6000-memory.dmp

      Filesize

      408KB

    • memory/3276-26-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3276-27-0x0000000008140000-0x0000000008148000-memory.dmp

      Filesize

      32KB

    • memory/3276-19-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3276-18-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3276-22-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3276-16-0x0000000004AB0000-0x0000000004ABA000-memory.dmp

      Filesize

      40KB

    • memory/3276-14-0x0000000074C10000-0x00000000753C0000-memory.dmp

      Filesize

      7.7MB

    • memory/3276-13-0x0000000000520000-0x00000000005A4000-memory.dmp

      Filesize

      528KB

    • memory/4932-37-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4932-38-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4932-35-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4932-45-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB