Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    28-09-2024 22:04

General

  • Target

    fd3b70843ae2b7f55cbcd49e4b6a7081_JaffaCakes118.exe

  • Size

    938KB

  • MD5

    fd3b70843ae2b7f55cbcd49e4b6a7081

  • SHA1

    447e3243498f8cce29f7e6853db185c0e086290a

  • SHA256

    e64912455cb408698c1c2828900ffe0506dfe49d4147d44878decd04a41c7fa3

  • SHA512

    b1184be9e9d6b1be9775e1b1f717d68275a97e947ae2448719289191eb7df7ed3b6af20b0fa8b1f5000207a3bd5f2098f81cdfec81b78fc7dd1b12887381551e

  • SSDEEP

    12288:fQbhex2teM2Lfzpl6+fcZfcNp3nCoKzdzGBDkbecWL9cyaFyPeYDOJbQhYbPS:uh1n2Ltlpm+x/K4BPcWx5KlY+76

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 4 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 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
  • 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 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fd3b70843ae2b7f55cbcd49e4b6a7081_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\fd3b70843ae2b7f55cbcd49e4b6a7081_JaffaCakes118.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2080
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2360
      • C:\Users\Admin\AppData\Roaming\appdata\hihsdjis.exe
        "C:\Users\Admin\AppData\Roaming\appdata\hihsdjis.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2528
        • C:\Users\Admin\AppData\Roaming\appdata\hihsdjis.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hihsdjis.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:2948
        • C:\Users\Admin\AppData\Roaming\appdata\hihsdjis.exe
          "C:\Users\Admin\AppData\Roaming\appdata\hihsdjis.exe" 2 2948 259445153
          4⤵
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    938KB

    MD5

    fd3b70843ae2b7f55cbcd49e4b6a7081

    SHA1

    447e3243498f8cce29f7e6853db185c0e086290a

    SHA256

    e64912455cb408698c1c2828900ffe0506dfe49d4147d44878decd04a41c7fa3

    SHA512

    b1184be9e9d6b1be9775e1b1f717d68275a97e947ae2448719289191eb7df7ed3b6af20b0fa8b1f5000207a3bd5f2098f81cdfec81b78fc7dd1b12887381551e

  • memory/2080-2-0x0000000000260000-0x000000000026F000-memory.dmp

    Filesize

    60KB

  • memory/2080-3-0x0000000000290000-0x0000000000291000-memory.dmp

    Filesize

    4KB

  • memory/2080-1-0x0000000000260000-0x000000000026F000-memory.dmp

    Filesize

    60KB

  • memory/2080-6-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2080-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2360-4-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2360-7-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2500-51-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2528-33-0x0000000000400000-0x00000000004F1000-memory.dmp

    Filesize

    964KB

  • memory/2528-18-0x00000000003B0000-0x00000000003B1000-memory.dmp

    Filesize

    4KB

  • memory/2528-23-0x00000000006C0000-0x00000000006C1000-memory.dmp

    Filesize

    4KB

  • memory/2948-28-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2948-32-0x00000000005F0000-0x000000000068A000-memory.dmp

    Filesize

    616KB

  • memory/2948-31-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2948-29-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2948-24-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2948-35-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2948-48-0x0000000002320000-0x0000000002364000-memory.dmp

    Filesize

    272KB

  • memory/2948-49-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2948-34-0x00000000005F0000-0x000000000068A000-memory.dmp

    Filesize

    616KB

  • memory/2948-53-0x0000000005B90000-0x0000000005BA4000-memory.dmp

    Filesize

    80KB