Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-04-2024 13:11

General

  • Target

    ff59b59d6fb138bd3a588d89ea0fa1d7_JaffaCakes118.exe

  • Size

    1.3MB

  • MD5

    ff59b59d6fb138bd3a588d89ea0fa1d7

  • SHA1

    fad22ded5983e8d5a9bffa398c3281670e496f46

  • SHA256

    8e1c67e8ed76591ed779773be365b2b66440d958f1bf3556d4512f71836c3d2f

  • SHA512

    7c3017e263d812bac1ad57bf4ed4371fe7414cbde8af077e507811a9ce538d1fdbbb5d396f355792dae67cdf9c25e3b0128a036816d74a48ad68c62e5109054e

  • SSDEEP

    24576:x6qt46zuDJ+ssHguZbtg2aLJ5eKSKmR9Fmt5J2NY9/:xZqARsV5VmFmzJ2M/

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.merchantexint.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    merW&13@

Signatures

  • HawkEye

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

  • NirSoft MailPassView 6 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 5 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 10 IoCs
  • Executes dropped EXE 1 IoCs
  • Obfuscated with Agile.Net obfuscator 1 IoCs

    Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ff59b59d6fb138bd3a588d89ea0fa1d7_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff59b59d6fb138bd3a588d89ea0fa1d7_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe
      "C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2068
      • 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:4540
      • 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:3020
  • 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=764 --field-trial-handle=2676,i,447940133669489189,1353734109898858672,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:5056

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\InstallUtil.exe

      Filesize

      41KB

      MD5

      5d4073b2eb6d217c19f2b22f21bf8d57

      SHA1

      f0209900fbf08d004b886a0b3ba33ea2b0bf9da8

      SHA256

      ac1a3f21fcc88f9cee7bf51581eafba24cc76c924f0821deb2afdf1080ddf3d3

      SHA512

      9ac94880684933ba3407cdc135abc3047543436567af14cd9269c4adc5a6535db7b867d6de0d6238a21b94e69f9890dbb5739155871a624520623a7e56872159

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

      Filesize

      3KB

      MD5

      f94dc819ca773f1e3cb27abbc9e7fa27

      SHA1

      9a7700efadc5ea09ab288544ef1e3cd876255086

      SHA256

      a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

      SHA512

      72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

    • memory/2068-16-0x0000000000400000-0x0000000000488000-memory.dmp

      Filesize

      544KB

    • memory/2068-48-0x0000000005B40000-0x0000000005B50000-memory.dmp

      Filesize

      64KB

    • memory/2068-47-0x0000000005B40000-0x0000000005B50000-memory.dmp

      Filesize

      64KB

    • memory/2068-38-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/2068-30-0x0000000005B40000-0x0000000005B50000-memory.dmp

      Filesize

      64KB

    • memory/2068-27-0x0000000008010000-0x0000000008018000-memory.dmp

      Filesize

      32KB

    • memory/2068-24-0x0000000005AE0000-0x0000000005B36000-memory.dmp

      Filesize

      344KB

    • memory/2068-23-0x00000000058C0000-0x00000000058CA000-memory.dmp

      Filesize

      40KB

    • memory/2068-22-0x0000000005B40000-0x0000000005B50000-memory.dmp

      Filesize

      64KB

    • memory/2068-20-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/3020-35-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3020-46-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3020-45-0x0000000000460000-0x0000000000529000-memory.dmp

      Filesize

      804KB

    • memory/3020-39-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/3020-37-0x0000000000400000-0x0000000000458000-memory.dmp

      Filesize

      352KB

    • memory/4540-28-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4540-34-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4540-32-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4540-31-0x0000000000400000-0x000000000041B000-memory.dmp

      Filesize

      108KB

    • memory/4860-9-0x00000000072F0000-0x0000000007356000-memory.dmp

      Filesize

      408KB

    • memory/4860-21-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4860-5-0x0000000005D80000-0x0000000005E1C000-memory.dmp

      Filesize

      624KB

    • memory/4860-7-0x00000000071C0000-0x00000000071D2000-memory.dmp

      Filesize

      72KB

    • memory/4860-8-0x0000000007250000-0x0000000007278000-memory.dmp

      Filesize

      160KB

    • memory/4860-14-0x000000000A630000-0x000000000A636000-memory.dmp

      Filesize

      24KB

    • memory/4860-0-0x0000000075310000-0x0000000075AC0000-memory.dmp

      Filesize

      7.7MB

    • memory/4860-6-0x0000000006550000-0x0000000006560000-memory.dmp

      Filesize

      64KB

    • memory/4860-4-0x0000000005A20000-0x0000000005D74000-memory.dmp

      Filesize

      3.3MB

    • memory/4860-10-0x00000000072B0000-0x00000000072D2000-memory.dmp

      Filesize

      136KB

    • memory/4860-3-0x0000000005980000-0x0000000005A12000-memory.dmp

      Filesize

      584KB

    • memory/4860-11-0x0000000006550000-0x0000000006560000-memory.dmp

      Filesize

      64KB

    • memory/4860-13-0x0000000007FB0000-0x0000000007FC4000-memory.dmp

      Filesize

      80KB

    • memory/4860-2-0x0000000005E90000-0x0000000006434000-memory.dmp

      Filesize

      5.6MB

    • memory/4860-1-0x0000000000DF0000-0x0000000000F3A000-memory.dmp

      Filesize

      1.3MB