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Analysis

  • max time kernel
    122s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    15/07/2024, 18:56

General

  • Target

    4af99412e169f9267b8a9233abba5a73_JaffaCakes118.exe

  • Size

    681KB

  • MD5

    4af99412e169f9267b8a9233abba5a73

  • SHA1

    a9cb06d3db5e2f38277a0f1605aaa71518e38a69

  • SHA256

    5b8f86046bc88c7a2ddf8307873364dc6e781c0b926a3c4124e62f0b0d82c87a

  • SHA512

    c63cac97be2832000779c5e03aad1ba87794ef3974811c6abb45b72c5fbc6374e72433ceffd684ac5be4d904a0798844febb8231d40250e5377c3b7f9ad3db1f

  • SSDEEP

    12288:kPWGlHW6yRy5WxOr9YcjhFN9FM04UD8YxnpzsQXg1kHUldkJRR/+Uhav:kPr5yRW9fF1lLsQwmHUlir+Uh6

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Themida packer 8 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Enumerates connected drives 3 TTPs 2 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 3 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4af99412e169f9267b8a9233abba5a73_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4af99412e169f9267b8a9233abba5a73_JaffaCakes118.exe"
    1⤵
    • Identifies Wine through registry keys
    • Loads dropped DLL
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1296
    • C:\Windows\SysWOW64\SiZhu.exe
      C:\Windows\system32\SiZhu.exe SiZhu
      2⤵
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Drops file in System32 directory
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      PID:2844

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\SiZhu.exe

    Filesize

    681KB

    MD5

    4af99412e169f9267b8a9233abba5a73

    SHA1

    a9cb06d3db5e2f38277a0f1605aaa71518e38a69

    SHA256

    5b8f86046bc88c7a2ddf8307873364dc6e781c0b926a3c4124e62f0b0d82c87a

    SHA512

    c63cac97be2832000779c5e03aad1ba87794ef3974811c6abb45b72c5fbc6374e72433ceffd684ac5be4d904a0798844febb8231d40250e5377c3b7f9ad3db1f

  • memory/1296-0-0x0000000000400000-0x0000000000586000-memory.dmp

    Filesize

    1.5MB

  • memory/1296-1-0x0000000000401000-0x000000000040A000-memory.dmp

    Filesize

    36KB

  • memory/1296-2-0x0000000000400000-0x0000000000586000-memory.dmp

    Filesize

    1.5MB

  • memory/1296-3-0x0000000000400000-0x0000000000586000-memory.dmp

    Filesize

    1.5MB

  • memory/1296-4-0x0000000000400000-0x0000000000586000-memory.dmp

    Filesize

    1.5MB

  • memory/1296-15-0x0000000004F10000-0x0000000005096000-memory.dmp

    Filesize

    1.5MB

  • memory/1296-14-0x0000000000400000-0x0000000000586000-memory.dmp

    Filesize

    1.5MB

  • memory/2844-16-0x0000000000400000-0x0000000000586000-memory.dmp

    Filesize

    1.5MB

  • memory/2844-21-0x0000000000401000-0x000000000040A000-memory.dmp

    Filesize

    36KB

  • memory/2844-20-0x0000000000400000-0x0000000000586000-memory.dmp

    Filesize

    1.5MB