Analysis

  • max time kernel
    149s
  • max time network
    119s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    20-09-2024 16:46

General

  • Target

    ee040da2a70d55fe834aef39a1e9b5fe_JaffaCakes118.exe

  • Size

    521KB

  • MD5

    ee040da2a70d55fe834aef39a1e9b5fe

  • SHA1

    89c58f9551967b285bef959171beefeba18d0434

  • SHA256

    5d074ed65f62d5dbfafe0d9014a2720319bf75963cfd4c4165926825fa5c67b5

  • SHA512

    8eb53cbd29a548fc592706fb664e977ce322ef3c92f7f531b49aabc4c12862cad0c8cd512f71e1c802bdc01fe75ac4bca2c38257d3803d571f0b781f78753867

  • SSDEEP

    12288:k6/DdQHroPTAwpwXQsBPTeoG0HhDtdC2Cp4JSErXDx1jHWjrLolXVhDe:z7WsPkA8QsBPyoG0HBrC2zJSKDnHWjXb

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 5 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 4 IoCs
  • Loads dropped DLL 11 IoCs
  • UPX packed file 23 IoCs

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

  • Modifies WinLogon 2 TTPs 2 IoCs
  • Drops file in System32 directory 10 IoCs
  • Drops file in Windows directory 7 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 10 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ee040da2a70d55fe834aef39a1e9b5fe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\ee040da2a70d55fe834aef39a1e9b5fe_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2124
    • C:\Windows\SysWOW64\lncom_.exe
      "C:\Windows\system32\lncom_.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      PID:2136
    • C:\Windows\SysWOW64\lncom.exe
      "C:\Windows\system32\lncom.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Adds policy Run key to start application
      • Boot or Logon Autostart Execution: Active Setup
      • Executes dropped EXE
      • Loads dropped DLL
      • Modifies WinLogon
      • Drops file in System32 directory
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2368
      • C:\Windows\SysWOW64\fservice.exe
        C:\Windows\system32\fservice.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Drops file in System32 directory
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2096
        • C:\Windows\services.exe
          C:\Windows\services.exe -XP
          4⤵
          • Modifies WinLogon for persistence
          • Adds policy Run key to start application
          • Boot or Logon Autostart Execution: Active Setup
          • Executes dropped EXE
          • Loads dropped DLL
          • Modifies WinLogon
          • Drops file in System32 directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:2856
          • C:\Windows\SysWOW64\NET.exe
            NET STOP srservice
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2476
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP srservice
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2652
          • C:\Windows\SysWOW64\NET.exe
            NET STOP navapsvc
            5⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2348
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 STOP navapsvc
              6⤵
              • System Location Discovery: System Language Discovery
              PID:2764
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Windows\SysWOW64\lncom.exe.bat
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2360

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\lncom.exe

    Filesize

    341KB

    MD5

    48ccf1e3be44c5fd047d8bfb29b8d969

    SHA1

    83df99ae11c7107cffb685a237954972bd06ab50

    SHA256

    3c4a669c96bc5042dfcde8cfbadb94fc6ee006815f4c9d8a1363c4fe23a5b1c1

    SHA512

    4522050e49eacff13a3e84043e3f213956d1d9e5ec333703ab4011d809046ce6fedc76310c98e801bbd8a69492fd662c124f8aed6be146951df1fa389b8e78cf

  • C:\Windows\SysWOW64\lncom.exe.bat

    Filesize

    99B

    MD5

    1f73e450d92934cd37c041eb3f1ff51f

    SHA1

    f3e9dece5d6b7d7a0e4966c16ffe31437539d4a0

    SHA256

    3a57d154715459926a51a9e3925687c0c78ec9c88bc39c303b5b93385d34d67e

    SHA512

    5f982d614e54870ae3ad212f049ca3685602812c1bb066a5f6155e694adb994d6d1608ca7a25bcab605812c6e7e6b22817aaf0dba9e906787add9b0a8e3f32a5

  • C:\Windows\SysWOW64\lncom_.exe

    Filesize

    174KB

    MD5

    64325992b448dc3f957bdfee25abed69

    SHA1

    a8853584d1378eb1c82520bdd79cf8b92159e2e9

    SHA256

    a0244a2903a8f9a2aee35e90a62f749259dcb3720506c7335890d45c9554f315

    SHA512

    3886703c953085a5a44541e9266d12741b515332f1349946c1559a4630fee5580bf89ad7f5b9bc8782796ed224899e5d80e6aa62becf809bf43d9ac1262d014f

  • \Windows\SysWOW64\reginv.dll

    Filesize

    36KB

    MD5

    d4a3f90e159ffbcbc4f9740de4b7f171

    SHA1

    0542f5d1e2c23dca8d90766b3a8537dc3880e5c9

    SHA256

    2200dd5f83d2fb8c5d3994206a4fa9ff34b4cbfe56ed39a9a03c954cf45d8f77

    SHA512

    5493beb50b5f7d8ec52f32718d01696916ae173456005d0c1294ce695161ce5004aff58ee3892bf5db0f9b23720146a6d3ae8ffbcbbd81f84d894fdc8cf75a94

  • \Windows\SysWOW64\winkey.dll

    Filesize

    24KB

    MD5

    43e7d9b875c921ba6be38d45540fb9dd

    SHA1

    f22a73fc0d4aa3ea6c0b8f61d974b028f308acc4

    SHA256

    f1b2b0abe844e6ba812c7f8709a463a7f6c56fa6ac38d376a0739cc3469f795b

    SHA512

    2e74e23c0875b69b82319391c392132f28f4eb45aa412805130382498ae48969a06a2b3a7528b626fa7d7ddb6b006f19f0ef8d73cf73cb9a0c0df44a21077622

  • memory/2096-39-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2096-48-0x00000000032A0000-0x000000000349F000-memory.dmp

    Filesize

    2.0MB

  • memory/2096-63-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2124-0-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2124-20-0x0000000007670000-0x000000000786F000-memory.dmp

    Filesize

    2.0MB

  • memory/2124-21-0x0000000000400000-0x0000000000403000-memory.dmp

    Filesize

    12KB

  • memory/2368-73-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2368-24-0x0000000000340000-0x0000000000341000-memory.dmp

    Filesize

    4KB

  • memory/2368-23-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2368-65-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-77-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-81-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-76-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-50-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-78-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-79-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-80-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-75-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-82-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-83-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-84-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-85-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-86-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-87-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-88-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB

  • memory/2856-89-0x0000000000400000-0x00000000005FF000-memory.dmp

    Filesize

    2.0MB