Analysis

  • max time kernel
    150s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-09-2024 00:22

General

  • Target

    ff913bcef5cd89ccfab745f69f2724ea_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    ff913bcef5cd89ccfab745f69f2724ea

  • SHA1

    70b1711ebf3ed41488dd148a68e1c25e16dcbbdd

  • SHA256

    376c98804cb5d104c0d1623177e417397e55f267418e79f14356a1ed2bcf8197

  • SHA512

    7f3abe4aaecf2df7c593a0bcb285d0712b9718d8b3a9dd9d96de59a6ec55acde9062ab6b9f55567dc0e3c85a7c251511f695fb376067176c22abb4d535985bd1

  • SSDEEP

    24576:rFBrny7d7eqq2Z32ZNKXWRNlwrNvaqTWuwQGF:r4kV2h2GX8XCNhwb

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 7 IoCs
  • 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 3 TTPs

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

  • 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
  • UPX packed file 5 IoCs

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

  • 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\ff913bcef5cd89ccfab745f69f2724ea_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ff913bcef5cd89ccfab745f69f2724ea_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:4516
    • 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:2180
      • C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe
        "C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.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:1768
        • C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe
          "C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.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:952
        • C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe
          "C:\Users\Admin\AppData\Roaming\appdata\wertyytdf.exe" 2 952 240631453
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:1116

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    1.1MB

    MD5

    ff913bcef5cd89ccfab745f69f2724ea

    SHA1

    70b1711ebf3ed41488dd148a68e1c25e16dcbbdd

    SHA256

    376c98804cb5d104c0d1623177e417397e55f267418e79f14356a1ed2bcf8197

    SHA512

    7f3abe4aaecf2df7c593a0bcb285d0712b9718d8b3a9dd9d96de59a6ec55acde9062ab6b9f55567dc0e3c85a7c251511f695fb376067176c22abb4d535985bd1

  • memory/952-41-0x0000000005130000-0x0000000005196000-memory.dmp

    Filesize

    408KB

  • memory/952-40-0x00000000050B0000-0x00000000050F4000-memory.dmp

    Filesize

    272KB

  • memory/952-22-0x0000000000B50000-0x0000000000BEA000-memory.dmp

    Filesize

    616KB

  • memory/952-21-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/952-50-0x0000000007560000-0x00000000075B0000-memory.dmp

    Filesize

    320KB

  • memory/952-46-0x0000000006600000-0x000000000660A000-memory.dmp

    Filesize

    40KB

  • memory/952-45-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/952-16-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/952-19-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/952-20-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/952-24-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/952-23-0x0000000000B50000-0x0000000000BEA000-memory.dmp

    Filesize

    616KB

  • memory/952-38-0x0000000004A50000-0x0000000004FF4000-memory.dmp

    Filesize

    5.6MB

  • memory/952-51-0x00000000075C0000-0x00000000075D4000-memory.dmp

    Filesize

    80KB

  • memory/952-44-0x0000000005300000-0x0000000005392000-memory.dmp

    Filesize

    584KB

  • memory/952-35-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/952-39-0x0000000005000000-0x000000000509C000-memory.dmp

    Filesize

    624KB

  • memory/1116-48-0x0000000000400000-0x0000000000517000-memory.dmp

    Filesize

    1.1MB

  • memory/1768-37-0x0000000000400000-0x0000000000517000-memory.dmp

    Filesize

    1.1MB

  • memory/1768-15-0x0000000002460000-0x0000000002461000-memory.dmp

    Filesize

    4KB

  • memory/1768-12-0x0000000002170000-0x0000000002171000-memory.dmp

    Filesize

    4KB

  • memory/2180-4-0x00000000009A0000-0x00000000009A1000-memory.dmp

    Filesize

    4KB

  • memory/4516-2-0x00000000023F0000-0x0000000002400000-memory.dmp

    Filesize

    64KB

  • memory/4516-1-0x00000000023F0000-0x0000000002400000-memory.dmp

    Filesize

    64KB

  • memory/4516-0-0x00000000023B0000-0x00000000023B1000-memory.dmp

    Filesize

    4KB

  • memory/4516-3-0x0000000002460000-0x0000000002461000-memory.dmp

    Filesize

    4KB

  • memory/4516-5-0x0000000000400000-0x0000000000517000-memory.dmp

    Filesize

    1.1MB