Analysis

  • max time kernel
    150s
  • max time network
    106s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-09-2024 08:29

General

  • Target

    fbe5c174659e27a75b6fe7c1370dc70e_JaffaCakes118.exe

  • Size

    986KB

  • MD5

    fbe5c174659e27a75b6fe7c1370dc70e

  • SHA1

    a3d3b33671947f0734ae7d7580153e3d9f396131

  • SHA256

    0d1c6b95f3224dc208c5d522a804f373e9f043379582b53c007bbc849f20509b

  • SHA512

    70947125e22eb63f7e4f4846c67d1fc3c0dfc05af99be8b6f59f87fbfea917036169f4654d4ff965b465b3e8f0eb117ab4ea5245f46ace25c2f65882dd8d3735

  • SSDEEP

    24576:HrYUhzRsCg6Yn++QKS8ruX5OvV52cq1bLDgwzGs:L+Cg6KbbNCpm2cqVgqGs

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 5 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\fbe5c174659e27a75b6fe7c1370dc70e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fbe5c174659e27a75b6fe7c1370dc70e_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2376
    • 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:2276
      • C:\Users\Admin\AppData\Roaming\appdata\bjhjjhjk.exe
        "C:\Users\Admin\AppData\Roaming\appdata\bjhjjhjk.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:1988
        • C:\Users\Admin\AppData\Roaming\appdata\bjhjjhjk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\bjhjjhjk.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:4332
        • C:\Users\Admin\AppData\Roaming\appdata\bjhjjhjk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\bjhjjhjk.exe" 2 4332 240620890
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2436

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    986KB

    MD5

    fbe5c174659e27a75b6fe7c1370dc70e

    SHA1

    a3d3b33671947f0734ae7d7580153e3d9f396131

    SHA256

    0d1c6b95f3224dc208c5d522a804f373e9f043379582b53c007bbc849f20509b

    SHA512

    70947125e22eb63f7e4f4846c67d1fc3c0dfc05af99be8b6f59f87fbfea917036169f4654d4ff965b465b3e8f0eb117ab4ea5245f46ace25c2f65882dd8d3735

  • memory/1988-22-0x0000000000400000-0x00000000004FD000-memory.dmp

    Filesize

    1012KB

  • memory/1988-12-0x0000000002130000-0x0000000002131000-memory.dmp

    Filesize

    4KB

  • memory/1988-15-0x0000000003E70000-0x0000000003E71000-memory.dmp

    Filesize

    4KB

  • memory/2276-4-0x0000000000FE0000-0x0000000000FE1000-memory.dmp

    Filesize

    4KB

  • memory/2376-0-0x00000000007F0000-0x00000000007F1000-memory.dmp

    Filesize

    4KB

  • memory/2376-5-0x0000000000400000-0x00000000004FD000-memory.dmp

    Filesize

    1012KB

  • memory/2376-1-0x0000000002410000-0x0000000002421000-memory.dmp

    Filesize

    68KB

  • memory/2376-3-0x0000000002570000-0x0000000002571000-memory.dmp

    Filesize

    4KB

  • memory/2436-38-0x0000000003E60000-0x0000000003E71000-memory.dmp

    Filesize

    68KB

  • memory/2436-58-0x0000000000400000-0x00000000004FD000-memory.dmp

    Filesize

    1012KB

  • memory/4332-19-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4332-41-0x0000000004BD0000-0x0000000004C6C000-memory.dmp

    Filesize

    624KB

  • memory/4332-25-0x0000000000B10000-0x0000000000BAA000-memory.dmp

    Filesize

    616KB

  • memory/4332-24-0x0000000000B10000-0x0000000000BAA000-memory.dmp

    Filesize

    616KB

  • memory/4332-16-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4332-20-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4332-40-0x0000000004D30000-0x00000000052D4000-memory.dmp

    Filesize

    5.6MB

  • memory/4332-26-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4332-42-0x0000000004C70000-0x0000000004CB4000-memory.dmp

    Filesize

    272KB

  • memory/4332-43-0x00000000052E0000-0x0000000005346000-memory.dmp

    Filesize

    408KB

  • memory/4332-44-0x0000000005450000-0x00000000054E2000-memory.dmp

    Filesize

    584KB

  • memory/4332-45-0x0000000006840000-0x000000000684A000-memory.dmp

    Filesize

    40KB

  • memory/4332-46-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/4332-48-0x0000000007700000-0x0000000007750000-memory.dmp

    Filesize

    320KB

  • memory/4332-49-0x0000000006710000-0x0000000006724000-memory.dmp

    Filesize

    80KB

  • memory/4332-21-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB