Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/07/2024, 15:45

General

  • Target

    42547d4bc05e59e53858459d25317893_JaffaCakes118.exe

  • Size

    196KB

  • MD5

    42547d4bc05e59e53858459d25317893

  • SHA1

    cf11649ba0f54d376a9c9817400f5f5ef6017aad

  • SHA256

    9c5664f72fa1ca3fdb0e2c0a14d7f15cdbfcf143499d311df070397c80955dba

  • SHA512

    af4737fcc39b108c5e3d8a5ffa0a27891b093c3179489fc457de49b69f4ef1be071f104fd2c47e0b585c2e211b68e915e332cfe124a08c3454b057c2b2d68f24

  • SSDEEP

    3072:iWMdZ7n1XWbo5mO2s0F+Lf6Q9Bd4+YYbjCj9fbliX1TgCF+lUgtF3Smi9k:rMPxXHf2Z4C6jup30gUS3S79

Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • UPX packed file 21 IoCs

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

  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\42547d4bc05e59e53858459d25317893_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\42547d4bc05e59e53858459d25317893_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Users\Admin\AppData\Local\Temp\vkd32.exe
      "C:\Users\Admin\AppData\Local\Temp\vkd32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4840
      • C:\Program Files\Internet Explorer\iexplore.exe
        "C:\Program Files\Internet Explorer\iexplore.exe" "C:\Users\Admin\AppData\Local\Temp\vkd32.exe"
        3⤵
          PID:432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4840 -s 516
          3⤵
          • Program crash
          PID:3624
        • C:\Users\Admin\AppData\Roaming\1.exe
          C:\Users\Admin\AppData\Roaming\1.exe
          3⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4120
          • C:\Users\Admin\AppData\Roaming\5ef2pJ.bat
            C:\Users\Admin\AppData\Roaming\5ef2pJ.bat
            4⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Adds Run key to start application
            • Drops file in System32 directory
            • Suspicious use of SetWindowsHookEx
            • Suspicious use of WriteProcessMemory
            PID:3920
            • C:\Windows\SysWOW64\regsvr32.exe
              regsvr32 /s "C:\Windows\system32\mswinsck.ocx"
              5⤵
              • Loads dropped DLL
              • Modifies registry class
              PID:1296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4840 -ip 4840
      1⤵
        PID:232

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\vkd32.exe

              Filesize

              176KB

              MD5

              f9dc31c12f98ddd7d4626a6ba630dfee

              SHA1

              342ac01703f6e14ac2c201560edc23019776d115

              SHA256

              ce8f26eadbba8c4714686a60ea07370c235236c2a86f44f7c3b5fa64c1563286

              SHA512

              ce5dae20087184831dbecb37e7bc9eebfedce3c7ecd009d1404df3e42725069ad79040b83d1d2962b7f8ae71d1b1960b5f0b2a6aae62789a3ac99a7c1dcad006

            • C:\Users\Admin\AppData\Roaming\1.exe

              Filesize

              150KB

              MD5

              ff4f7e5c1404b7e7ec4d90caf5966f41

              SHA1

              64f942ee273c4540d753817976b3f60fc42701c4

              SHA256

              9c361b958d721c3e5d7b435ad650f06b4d02475c496f1bf89907b55a9514008c

              SHA512

              7faf03f6bb656ee0c2ca1d18ce5d3096ba2b09b2feb4fac1a8b9a360d2883e29304075e3083d6848b935d2ca59c9bf6e497bf571ece0a53fb860791166ab555c

            • C:\Users\Admin\AppData\Roaming\kernel33.dll

              Filesize

              625KB

              MD5

              358611b92e360a749054fdc7b6b076ea

              SHA1

              d6d2224161fee024ab3767a81ed57f7e57d0c1ce

              SHA256

              79782a87dfd093a0e4196d6f0aa4d46a55c0290f6145f5f8fa60e53c540f89b4

              SHA512

              0986c84ed52b42b3aeb96479032e188165d1fa1d5c7018e240b444e03eb6317365ea51fc0233263f7e97f099cd3ca3094ab0b177c0405816bc800b41f42523ad

            • C:\Windows\SysWOW64\mswinsck.ocx

              Filesize

              105KB

              MD5

              9484c04258830aa3c2f2a70eb041414c

              SHA1

              b242a4fb0e9dcf14cb51dc36027baff9a79cb823

              SHA256

              bf7e47c16d7e1c0e88534f4ef95e09d0fd821ed1a06b0d95a389b35364b63ff5

              SHA512

              9d0e9f0d88594746ba41ea4a61a53498619eda596e12d8ec37d01cfe8ceb08be13e3727c83d630a6d9e6d03066f62444bb94ea5a0d2ed9d21a270e612db532a0

            • C:\Windows\SysWOW64\zlib.dll

              Filesize

              27KB

              MD5

              200d52d81e9b4b05fa58ce5fbe511dba

              SHA1

              c0d809ee93816d87388ed4e7fd6fca93d70294d2

              SHA256

              d4fe89dc2e7775f4ef0dfc70ed6999b8f09635326e05e08a274d464d1814c617

              SHA512

              7b1df70d76855d65cf246051e7b9f7119720a695d41ace1eb00e45e93e6de80d083b953269166bdee7137dbd9f3e5681e36bb036f151cea383c10d82957f39c5

            • memory/3700-1-0x00007FFCE2460000-0x00007FFCE2E01000-memory.dmp

              Filesize

              9.6MB

            • memory/3700-2-0x000000001BF10000-0x000000001C3DE000-memory.dmp

              Filesize

              4.8MB

            • memory/3700-3-0x000000001C480000-0x000000001C51C000-memory.dmp

              Filesize

              624KB

            • memory/3700-4-0x0000000001530000-0x0000000001538000-memory.dmp

              Filesize

              32KB

            • memory/3700-5-0x00007FFCE2460000-0x00007FFCE2E01000-memory.dmp

              Filesize

              9.6MB

            • memory/3700-30-0x00007FFCE2460000-0x00007FFCE2E01000-memory.dmp

              Filesize

              9.6MB

            • memory/3700-0-0x00007FFCE2715000-0x00007FFCE2716000-memory.dmp

              Filesize

              4KB

            • memory/3920-61-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-68-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-54-0x0000000010000000-0x0000000010014000-memory.dmp

              Filesize

              80KB

            • memory/3920-88-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-86-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-62-0x0000000010000000-0x0000000010014000-memory.dmp

              Filesize

              80KB

            • memory/3920-63-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-65-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-66-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-53-0x0000000002100000-0x0000000002127000-memory.dmp

              Filesize

              156KB

            • memory/3920-70-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-72-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-74-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-76-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-78-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-80-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-82-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/3920-84-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/4120-33-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB

            • memory/4120-45-0x0000000000400000-0x0000000000458000-memory.dmp

              Filesize

              352KB