Analysis

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

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    29-11-2024 10:44

General

  • Target

    b0bb51b66a38aa80dc26e514fab25feb_JaffaCakes118.exe

  • Size

    526KB

  • MD5

    b0bb51b66a38aa80dc26e514fab25feb

  • SHA1

    f4d27ba155a8d5aec637277d3cac39354f4b354a

  • SHA256

    de90e3562c1dd0299f488703efeae830f6497f861105955ed1871ab7c6bc7def

  • SHA512

    579627d92cb013046ac07315e5895945d047a1c3c298977e97224954afdd101cf441597d32d489f0f28dbf0caa26a084a8b8a5eb4c93262259b114d78ae9e6fb

  • SSDEEP

    12288:veDDbmkeCU1QzAwK88H8e+DGV97VPtn9YPquQKVBhf9Cxa:GD/mkZ+wKDce+CPVtnO2g3f9

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Metasploit family
  • Drops file in Drivers directory 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 23 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Gathers network information 2 TTPs 21 IoCs

    Uses commandline utility to view network configuration.

  • Modifies data under HKEY_USERS 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b0bb51b66a38aa80dc26e514fab25feb_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\b0bb51b66a38aa80dc26e514fab25feb_JaffaCakes118.exe"
    1⤵
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:2368
  • C:\Windows\system\wmisys.exe
    "C:\Windows\system\wmisys.exe"
    1⤵
    • Drops file in Drivers directory
    • Deletes itself
    • Executes dropped EXE
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Modifies data under HKEY_USERS
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2816
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:3008
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2884
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:1420
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2208
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2044
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2952
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:1100
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2016
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:1844
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:1276
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:316
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:1244
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2260
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:1500
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2528
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2744
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2508
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2792
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2624
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:2680
    • C:\Windows\SysWOW64\ipconfig.exe
      ipconfig /flushdns
      2⤵
      • System Location Discovery: System Language Discovery
      • Gathers network information
      PID:3016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\system\wmisys.exe

    Filesize

    526KB

    MD5

    b0bb51b66a38aa80dc26e514fab25feb

    SHA1

    f4d27ba155a8d5aec637277d3cac39354f4b354a

    SHA256

    de90e3562c1dd0299f488703efeae830f6497f861105955ed1871ab7c6bc7def

    SHA512

    579627d92cb013046ac07315e5895945d047a1c3c298977e97224954afdd101cf441597d32d489f0f28dbf0caa26a084a8b8a5eb4c93262259b114d78ae9e6fb

  • memory/2368-18-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2368-1-0x0000000000401000-0x0000000000409000-memory.dmp

    Filesize

    32KB

  • memory/2368-2-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2368-3-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2368-4-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2368-7-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2368-8-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2368-0-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-21-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-27-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-14-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-16-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-13-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-19-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-20-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-10-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-22-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-23-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-24-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-25-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-26-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-12-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-28-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-29-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-30-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-31-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-32-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-33-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-34-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-35-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-36-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-37-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-38-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB

  • memory/2816-39-0x0000000000400000-0x00000000005A5000-memory.dmp

    Filesize

    1.6MB