Analysis

  • max time kernel
    150s
  • max time network
    108s
  • 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 09:23

General

  • Target

    cf36d5338ec6c2f3c4eca0643600b0f2_JaffaCakes118.exe

  • Size

    1004KB

  • MD5

    cf36d5338ec6c2f3c4eca0643600b0f2

  • SHA1

    749169f34f30016891cc6a41884d5c2e376ebeef

  • SHA256

    fac6b2bb9719301eba87f49b5131f9b372265e6445f9a4f2d0ccb11b591ef436

  • SHA512

    e532c64d7f98d76280b887d99666368245a43c0fbe64665274c7ac7ab60cb4312c6eecd0aef1c8ac055670caa52f3d874f5eda320fd54db368b21170b85b1a23

  • SSDEEP

    24576:vKlaBa1sMMZvIniOzOhbdCEXBR4UjXuU917ZOBUVOYddp:yfWL2ntzMfXHjXu+HDVOYfp

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 5 IoCs
  • Credentials from Password Stores: Credentials from Web Browsers 1 TTPs

    Malicious Access or copy of Web Browser Credential store.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Accesses Microsoft Outlook profiles 1 TTPs 42 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 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.

  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cf36d5338ec6c2f3c4eca0643600b0f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cf36d5338ec6c2f3c4eca0643600b0f2_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1844
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:516
      • C:\Users\Admin\AppData\Roaming\appdata\hfjshjhsk.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hfjshjhsk.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:1980
        • C:\Users\Admin\AppData\Roaming\appdata\hfjshjhsk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hfjshjhsk.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2524
        • C:\Users\Admin\AppData\Roaming\appdata\hfjshjhsk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hfjshjhsk.exe" 2 2524 240610203
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1340

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\appdata\hfjshjhsk.exe

    Filesize

    1004KB

    MD5

    cf36d5338ec6c2f3c4eca0643600b0f2

    SHA1

    749169f34f30016891cc6a41884d5c2e376ebeef

    SHA256

    fac6b2bb9719301eba87f49b5131f9b372265e6445f9a4f2d0ccb11b591ef436

    SHA512

    e532c64d7f98d76280b887d99666368245a43c0fbe64665274c7ac7ab60cb4312c6eecd0aef1c8ac055670caa52f3d874f5eda320fd54db368b21170b85b1a23

  • memory/516-5-0x0000000000450000-0x0000000000451000-memory.dmp

    Filesize

    4KB

  • memory/1340-57-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/1844-0-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/1844-2-0x0000000002400000-0x0000000002410000-memory.dmp

    Filesize

    64KB

  • memory/1844-3-0x0000000002480000-0x0000000002481000-memory.dmp

    Filesize

    4KB

  • memory/1844-4-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/1980-12-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/1980-15-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/1980-13-0x00000000020C0000-0x00000000020D0000-memory.dmp

    Filesize

    64KB

  • memory/2524-24-0x0000000000A70000-0x0000000000B0A000-memory.dmp

    Filesize

    616KB

  • memory/2524-41-0x0000000005200000-0x0000000005244000-memory.dmp

    Filesize

    272KB

  • memory/2524-20-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2524-16-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2524-21-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2524-39-0x0000000004B40000-0x00000000050E4000-memory.dmp

    Filesize

    5.6MB

  • memory/2524-40-0x0000000005130000-0x00000000051CC000-memory.dmp

    Filesize

    624KB

  • memory/2524-19-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2524-42-0x0000000005280000-0x00000000052E6000-memory.dmp

    Filesize

    408KB

  • memory/2524-43-0x0000000005460000-0x00000000054F2000-memory.dmp

    Filesize

    584KB

  • memory/2524-44-0x0000000006750000-0x000000000675A000-memory.dmp

    Filesize

    40KB

  • memory/2524-46-0x00000000076F0000-0x0000000007740000-memory.dmp

    Filesize

    320KB

  • memory/2524-47-0x00000000076C0000-0x00000000076D4000-memory.dmp

    Filesize

    80KB

  • memory/2524-55-0x0000000000400000-0x0000000000542000-memory.dmp

    Filesize

    1.3MB

  • memory/2524-25-0x0000000000A70000-0x0000000000B0A000-memory.dmp

    Filesize

    616KB