Analysis

  • max time kernel
    150s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    19-05-2024 21:54

General

  • Target

    5bac4917f0922f7109de719b9ca6cd2a_JaffaCakes118.exe

  • Size

    968KB

  • MD5

    5bac4917f0922f7109de719b9ca6cd2a

  • SHA1

    5f6f7745bd9123d934b35b87a9a5f0705a28664c

  • SHA256

    07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee

  • SHA512

    e32b48b2d00d78b5f582cdccd658d21a703dd156feb65b736899187eea33a056c0abdccfcd06f6120c1b63b830b9017bfcc7f25f870d0eb622612a9e02e3c32d

  • SSDEEP

    24576:o+pbzwIxk4VdoqmhAb8bo+t0XXkbg1T4bWR99:5pbkGtLKhABXkb2BR99

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 6 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
  • Loads dropped DLL 2 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 5 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 35 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
  • 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 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5bac4917f0922f7109de719b9ca6cd2a_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5bac4917f0922f7109de719b9ca6cd2a_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2500
        • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2628
        • C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe" 2 2628 259423453
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2588

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\appdata\hshkjfshsdd.exe

    Filesize

    968KB

    MD5

    5bac4917f0922f7109de719b9ca6cd2a

    SHA1

    5f6f7745bd9123d934b35b87a9a5f0705a28664c

    SHA256

    07733638a39beadad8c496d03fbdd66b49d82e22fcaf7ee9dbadaa8fde982aee

    SHA512

    e32b48b2d00d78b5f582cdccd658d21a703dd156feb65b736899187eea33a056c0abdccfcd06f6120c1b63b830b9017bfcc7f25f870d0eb622612a9e02e3c32d

  • memory/2380-0-0x00000000002B0000-0x00000000002B1000-memory.dmp

    Filesize

    4KB

  • memory/2380-2-0x0000000001FC0000-0x0000000001FD3000-memory.dmp

    Filesize

    76KB

  • memory/2380-1-0x0000000001FC0000-0x0000000001FD3000-memory.dmp

    Filesize

    76KB

  • memory/2380-3-0x0000000000570000-0x0000000000571000-memory.dmp

    Filesize

    4KB

  • memory/2380-6-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2500-32-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2500-18-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2500-22-0x0000000000380000-0x0000000000381000-memory.dmp

    Filesize

    4KB

  • memory/2588-48-0x0000000000400000-0x00000000004F8000-memory.dmp

    Filesize

    992KB

  • memory/2628-23-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-26-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-33-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-31-0x00000000005F0000-0x000000000068A000-memory.dmp

    Filesize

    616KB

  • memory/2628-30-0x00000000005F0000-0x000000000068A000-memory.dmp

    Filesize

    616KB

  • memory/2628-29-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-28-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-46-0x0000000004AC0000-0x0000000004B04000-memory.dmp

    Filesize

    272KB

  • memory/2628-47-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2628-50-0x00000000051A0000-0x00000000051B4000-memory.dmp

    Filesize

    80KB

  • memory/2736-7-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2736-4-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB