Analysis

  • max time kernel
    142s
  • 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
    11-05-2024 22:37

General

  • Target

    36e8030d0946c331b4a667385163cb72_JaffaCakes118.exe

  • Size

    537KB

  • MD5

    36e8030d0946c331b4a667385163cb72

  • SHA1

    4ea151afd9a99d82b7f9bbdeda9de9268e16cf5d

  • SHA256

    8f635cc8326d76a55e41207ea05fc883cfaf7814c5f4a9004780011309504431

  • SHA512

    5373fb48f7344f5e754e5ba5aa9098011b98863fbfdc4a8a4a37515692f606d6b5038c732a97d9d1317965fe3e6b2f26fba0f4f17f922f5e79577607016b62b1

  • SSDEEP

    12288:ad6E5JTIFqdt2yHczPA1ZQ6UVIrSAa5iQF4Na:ad55JTvtHcuQ6UVIDa5i8O

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    alibaba123

Signatures

  • HawkEye

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

  • NirSoft MailPassView 4 IoCs

    Password recovery tool for various email clients

  • Nirsoft 4 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • 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 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\36e8030d0946c331b4a667385163cb72_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\36e8030d0946c331b4a667385163cb72_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3892
    • C:\Users\Admin\AppData\Roaming\Windows Update.exe
      "C:\Users\Admin\AppData\Roaming\Windows Update.exe"
      2⤵
      • Deletes itself
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2196
      • 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:3928
      • 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:3044
  • 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=4244 --field-trial-handle=2284,i,9807419199535700662,2319175108930815708,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4664

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

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

      Filesize

      84B

      MD5

      16aae4f865a722f7ead179aa07490922

      SHA1

      6fed5b176894bace1a09b0e42f5c64a02bd6f1e8

      SHA256

      3c6eb241c7965e08508e0530efc6254fb525a1c34d070502ec2623a53adcd2bc

      SHA512

      d03d0a29df3334996f8161f402ffccfb8e1efd48a0389d1d9df6c43eaf537348a556bbd68de8acb1d308d6908026df562ffc330f1ce7c5348a5be5b4356656cd

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

      Filesize

      4KB

      MD5

      10fa8ec140c204486092fb161e567ec7

      SHA1

      4d63e1f8df3afefedb19df73d7ee5f3b1e7b6473

      SHA256

      7176ca3d0196ec46f178107fdb587adaef3f6ea65daa80eccd2371a515880e04

      SHA512

      9db4eeb3f07d8d0579f75f3426c91156809152d8c1a37c9a27bf159888f6dd97f1212ac80f5bbb17e4d86f3087c512ccba2ca50a2db07d071370bd36364e1f76

    • C:\Users\Admin\AppData\Roaming\Windows Update.exe

      Filesize

      537KB

      MD5

      36e8030d0946c331b4a667385163cb72

      SHA1

      4ea151afd9a99d82b7f9bbdeda9de9268e16cf5d

      SHA256

      8f635cc8326d76a55e41207ea05fc883cfaf7814c5f4a9004780011309504431

      SHA512

      5373fb48f7344f5e754e5ba5aa9098011b98863fbfdc4a8a4a37515692f606d6b5038c732a97d9d1317965fe3e6b2f26fba0f4f17f922f5e79577607016b62b1

    • memory/2196-17-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-22-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-48-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-47-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-19-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-23-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/2196-20-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3044-37-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/3044-38-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/3044-46-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/3044-35-0x0000000000400000-0x0000000000457000-memory.dmp

      Filesize

      348KB

    • memory/3892-2-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3892-3-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3892-21-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3892-0-0x0000000074C32000-0x0000000074C33000-memory.dmp

      Filesize

      4KB

    • memory/3892-1-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3892-4-0x0000000074C30000-0x00000000751E1000-memory.dmp

      Filesize

      5.7MB

    • memory/3928-31-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/3928-34-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/3928-33-0x0000000000420000-0x00000000004E9000-memory.dmp

      Filesize

      804KB

    • memory/3928-32-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB

    • memory/3928-29-0x0000000000400000-0x000000000041C000-memory.dmp

      Filesize

      112KB