Analysis

  • max time kernel
    94s
  • max time network
    133s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 00:53

General

  • Target
    ce4823889c3c5f42ffd5654be87d8ff3_JaffaCakes118.exe
  • Size 7.5MB
  • Sample240906-a848baxfre
  • SHA256 f30bb9f65cd66b8ac6518af9bcd5628cc6a21e940a894a0750b3ac913966cf8b
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • azorult

C2
  • http://51.15.254.54/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Executes dropped EXE 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 36 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 52 IoCs
  • Script User-Agent 1 IoCs

    Uses user-agent string associated with script host/environment.

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ce4823889c3c5f42ffd5654be87d8ff3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ce4823889c3c5f42ffd5654be87d8ff3_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:624
    • C:\Users\Admin\AppData\Local\Temp\cexplorer.exe
      "C:\Users\Admin\AppData\Local\Temp\cexplorer.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:216
      • C:\Users\Admin\AppData\Local\Temp\is-QDMAA.tmp\cexplorer.tmp
        "C:\Users\Admin\AppData\Local\Temp\is-QDMAA.tmp\cexplorer.tmp" /SL5="$100242,6397385,121344,C:\Users\Admin\AppData\Local\Temp\cexplorer.exe" /VERYSILENT /SUPPRESSMSGBOXES /NORESTART /SP-
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of WriteProcessMemory
        PID:4744
        • C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe
          "C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe" /trialregister
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Drops file in Program Files directory
          • Modifies registry class
          PID:3940
        • C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe
          "C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe" /replaceexplorer
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Modifies registry class
          PID:2076
        • C:\Program Files (x86)\Chameleon Explorer\ChameleonFolder.exe
          "C:\Program Files (x86)\Chameleon Explorer\ChameleonFolder.exe" /update
          4⤵
          • Executes dropped EXE
          • Checks whether UAC is enabled
          • Drops file in Program Files directory
          • System Location Discovery: System Language Discovery
          PID:4256
        • C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe
          "C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe" /update
          4⤵
          • Executes dropped EXE
          • Drops file in System32 directory
          • Drops file in Program Files directory
          PID:3184
    • C:\Users\Admin\AppData\Local\Temp\update.exe
      "C:\Users\Admin\AppData\Local\Temp\update.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:3540
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3540 -s 768
        3⤵
        • Program crash
        PID:4860
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 3540 -ip 3540
    1⤵
      PID:4252

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          ChameleonExplorer.exe

          • Path C:\Program Files (x86)\Chameleon Explorer\ChameleonExplorer.exe
          • Size 14.4MB
          • SHA256 9a9923c08d3fc5937b6ed189e20cf416482a079bc0c898c4ed75329e0ee3ae89
          • MD5 SHA1 SHA512 SSDEEP

          ChameleonFolder.exe

          • Path C:\Program Files (x86)\Chameleon Explorer\ChameleonFolder.exe
          • Size 4.4MB
          • SHA256 137723bdd388f6e5a50b7942eff02f4cc70e6b86d8650a41f9e8956ea1e4de3b
          • MD5 SHA1 SHA512 SSDEEP

          ExplorerHelper32.dll

          • Path C:\Program Files (x86)\Chameleon Explorer\ExplorerHelper32.dll
          • Size 786KB
          • SHA256 64b7f8f70a7b037d10da72eaa769078b7e4d1ac8964c5eae5515d373e816ed6d
          • MD5 SHA1 SHA512 SSDEEP

          ExplorerHelper64.dll

          • Path C:\Program Files (x86)\Chameleon Explorer\ExplorerHelper64.dll
          • Size 1.2MB
          • SHA256 b89a6a57b48be10103825440d2157f2c4a56e4c6b79ad13f729429cd5393bf32
          • MD5 SHA1 SHA512 SSDEEP

          Folder.dll_new

          • Path C:\Program Files (x86)\Chameleon Explorer\Folder.dll_new
          • Size 750KB
          • SHA256 3de05f18ffe9fda589a45ea539a464e58a30f70d59d71444b018064cf831c4a6
          • MD5 SHA1 SHA512 SSDEEP

          Folder64.dll

          • Path C:\Program Files (x86)\Chameleon Explorer\Folder64.dll
          • Size 1.2MB
          • SHA256 161408b86eed7c4d9a5882aa00df3f8765ed28fa4fd9aab2c9b3dceadbd527f9
          • MD5 SHA1 SHA512 SSDEEP

          autA289.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\autA289.tmp
          • Size 6.5MB
          • SHA256 e71c48c03b8cfd37bf17e62460733a4bfe9c484e947fd9db291f65405a2ba9e8
          • MD5 SHA1 SHA512 SSDEEP

          cexplorer.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\is-QDMAA.tmp\cexplorer.tmp
          • Size 1.1MB
          • SHA256 b1c68b1582ebb5f465512a0b834ccac095460b29136b6c7eea0475612bf16b49
          • MD5 SHA1 SHA512 SSDEEP

          update.exe

          • Path C:\Users\Admin\AppData\Local\Temp\update.exe
          • Size 146KB
          • SHA256 b2fc859e9d7245df15ea04ed4d9ec644b008b9f7e2ea3158a88bf02703749cf6
          • MD5 SHA1 SHA512 SSDEEP

          memory/216-22-0x0000000000400000-0x0000000000428000-memory.dmp

          memory/216-24-0x0000000000401000-0x0000000000412000-memory.dmp

          memory/216-123-0x0000000000400000-0x0000000000428000-memory.dmp

          memory/2076-84-0x0000000000400000-0x0000000001438000-memory.dmp

          memory/3184-118-0x0000000000400000-0x0000000001438000-memory.dmp

          memory/3540-124-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/3540-126-0x0000000000400000-0x0000000000429000-memory.dmp

          memory/3940-82-0x0000000000400000-0x0000000001438000-memory.dmp

          memory/4256-102-0x0000000000400000-0x0000000000A39000-memory.dmp

          memory/4744-29-0x0000000000400000-0x000000000052D000-memory.dmp

          memory/4744-122-0x0000000000400000-0x000000000052D000-memory.dmp