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Analysis

  • max time kernel
    121s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240611-en
  • resource tags

    arch:x64arch:x86image:win7-20240611-enlocale:en-usos:windows7-x64system
  • submitted
    04/07/2024, 00:19

General

  • Target

    23fbdff109d7dc6d51b7747f94ab3373_JaffaCakes118.exe

  • Size

    217KB

  • MD5

    23fbdff109d7dc6d51b7747f94ab3373

  • SHA1

    830401e58c42a95c7b823c3bf60760c88fbab5dd

  • SHA256

    8551076256854d724484fad6fa2156f3529ba5bd6074ede64a8f77c4843643fc

  • SHA512

    4c6fa36dc60b496fbd7d2e4e2ebc293311e99e6cc35a79cdfb7bbc1437e5fc365346b6a9ecc0ed5e852c72ee55ce0c635f10f92cd632d8a42549f733dd66ea8b

  • SSDEEP

    3072:obpDCw1p3vmLvsZIaVwiwDcIbDHDCm/DER4eQB17lgVUInUpmsPssU9I:gDCwfG1bnxLERRMlmjUosPsdI

Malware Config

Signatures

  • Modifies visibility of file extensions in Explorer 2 TTPs 3 IoCs
  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 3 IoCs
  • Adds policy Run key to start application 2 TTPs 6 IoCs
  • Executes dropped EXE 6 IoCs
  • Impair Defenses: Safe Mode Boot 1 TTPs 3 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry key 1 TTPs 9 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 2 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\23fbdff109d7dc6d51b7747f94ab3373_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\23fbdff109d7dc6d51b7747f94ab3373_JaffaCakes118.exe"
    1⤵
    • Modifies visibility of file extensions in Explorer
    • Modifies visiblity of hidden/system files in Explorer
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in Windows directory
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Windows\SysWOW64\REG.exe
      REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
      2⤵
      • Impair Defenses: Safe Mode Boot
      • Modifies registry key
      PID:1972
    • C:\Users\Admin\AppData\Local\Temp\avscan.exe
      C:\Users\Admin\AppData\Local\Temp\avscan.exe
      2⤵
      • Modifies visibility of file extensions in Explorer
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in Windows directory
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1036
      • C:\Users\Admin\AppData\Local\Temp\avscan.exe
        C:\Users\Admin\AppData\Local\Temp\avscan.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:2848
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c c:\windows\W_X_C.bat
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2632
        • C:\windows\hosts.exe
          C:\windows\hosts.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2676
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
          4⤵
          • Adds policy Run key to start application
          PID:2784
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1284
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:1488
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:2424
      • C:\Windows\SysWOW64\REG.exe
        REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
        3⤵
        • Modifies registry key
        PID:960
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c c:\windows\W_X_C.bat
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2664
      • C:\windows\hosts.exe
        C:\windows\hosts.exe
        3⤵
        • Modifies visibility of file extensions in Explorer
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:2876
        • C:\Users\Admin\AppData\Local\Temp\avscan.exe
          C:\Users\Admin\AppData\Local\Temp\avscan.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2472
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c c:\windows\W_X_C.bat
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:2420
          • C:\windows\hosts.exe
            C:\windows\hosts.exe
            5⤵
            • Executes dropped EXE
            • Suspicious use of SetWindowsHookEx
            PID:1812
          • C:\Windows\SysWOW64\WScript.exe
            "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
            5⤵
            • Adds policy Run key to start application
            PID:1296
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2764
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1484
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:1920
        • C:\Windows\SysWOW64\REG.exe
          REG DELETE HKLM\SYSTEM\CurrentControlSet\Control\SafeBoot /f
          4⤵
          • Modifies registry key
          PID:2928
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Windows\W_X_C.vbs"
        3⤵
        • Adds policy Run key to start application
        PID:2572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    482KB

    MD5

    d7866a82ebd62946c0255fed27c0f388

    SHA1

    0829b60e57cfbd0c6be734f969ce3ff836cc7b5c

    SHA256

    a80a281b312461471241b293b2188842b505e9631b75a33c908fd8ac4f46121d

    SHA512

    1a7f79b0c2df95d2b961a42561bb18df74b40e5c9287cd9a48562a827b2c1204b26babecb87479757ef96ffa487b6edfe067dcf898ad94431216379357f881ab

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    699KB

    MD5

    0dd667e706d11224de04260b4b93889a

    SHA1

    bb95c67562e572c0f7f747c873af3634af08d106

    SHA256

    c68129a0b5b491ac2d98f5c28aa6e6a94d52ba991cee1dca85dc1e10be4260b9

    SHA512

    6cdadcdb84ba02835929e34c3baa592dc5dbc8e1ee7077c48e4a51c55c7b9c78f9f77fd1673ef4e91c4e43a9ed5b534e58eeacb67f867ee968b2fb787f61f72a

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    916KB

    MD5

    433dbf2f984010bbbd9310e044efccbc

    SHA1

    892dcc4bd22f8d789909e0c2cf15bb717945ca22

    SHA256

    04e274ba9239e9af7fc31dcdbbd23ebc387be90996c2d224e9b66a48a1378c76

    SHA512

    461cd64c58979bfb465a862b025289353c468d0ee85cdd0f14d6d162d0bd337776e8b7dec94e56da793eeed44cd93b95ecbda1130faf2f3f0070a2b173bfca8a

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.1MB

    MD5

    5ec2cc84823fddac850ee22b58793d43

    SHA1

    b7558e96cc495a6dfef4d703f9584b3091c1caf9

    SHA256

    a74c48c9b492bcc7c6fa4854d814a402127e160e963a8233be1b36d02d6ab877

    SHA512

    6340ee743e2a8980055bbc7150724345566ec6578ce08fa066b1c65d168281f874e7038e9c62c330c3aa177d8deb0ddd102385d38340c6f307e1040c7b188197

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.3MB

    MD5

    ba62f311ea20015b4498cf03b431735e

    SHA1

    509d9cde98339fe421b1ee808d6abc6e581687ce

    SHA256

    2f2422349fd90aeade91a35df23ab7d1b1622bf93ec23cf17e95693d7e1733a5

    SHA512

    a659dcc50f4f61610c3f9adb8675d4ab4a9497469e69743033fe37d6b9fc4fd433b0febfd45bac1a0c729b813dc86b524bf8f667c35c123a8b5a616200de8d36

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.5MB

    MD5

    fab97ccfc5fd81a84fa786bdeb1b2d8a

    SHA1

    ef2b3d43a1b321d46f4e0ff4bc2f9abbdd3c41c2

    SHA256

    c356e8f8fb2e19e3cb9fbf65b2c63801c9c5eb5c1db71fc43a23136f249d398c

    SHA512

    5fac6c951edbf4205d2e6c46e5b7ba8609d9cb838be3c5f50ce1ba64bcdcb1664501b8a11769db5db022976f7b2d05d091bf600c49d0764b09aa8a860ef05c03

  • C:\Users\Admin\AppData\Local\Temp\Admin.bmp

    Filesize

    1.7MB

    MD5

    a3ac1eda6a16525ce538be5bee451ea4

    SHA1

    a1d4049445347a0e96daa42ad899cf8f6c5aeaeb

    SHA256

    7f33caa2b41e3ca710a1e32bb4e6055a8e9614885723778c52f7fde5eb0fc18f

    SHA512

    31da8b7c66c26b6e28eb9a3c8b381e09675fda384fdeef6e9e993d1e96158330cfbbed2f8e00ed560421198bd99a63874e7b454fec7f91abfbf0ce4dc85dd42e

  • C:\Windows\W_X_C.vbs

    Filesize

    195B

    MD5

    07204ce2e98e2fe32bc7ce8c0537d778

    SHA1

    f9eec1ca531b47435bc146c4c136e8538d63cde1

    SHA256

    3f906c02a40064768e49d23db4a4b9d912149f9e32668364e59b0a8d78dd2892

    SHA512

    3cc00d5c66c9e99eb0b8cc91b0c58e0006ad091114e929accd5e2f0023195a75f1621a849a366b74b20b90b36213429e1629d11da24fa27a82a3b06bafe39746

  • C:\Windows\hosts.exe

    Filesize

    217KB

    MD5

    cc5a28e6ce7238fde7abd1c3231121d9

    SHA1

    55e74189d65c58d5d54da8d85610b8061e6838a4

    SHA256

    616589bb956720dd1a09b32f3656cbd5739d2adb995669177420c9d8f7db38f6

    SHA512

    09e39ea1f9b4421c357e6f2f3c79e3d4fcb313a084e70cee9d609d59af9929fb9821125f5ce8d521c6dbde012036733fdd606af38749e3ba826ea1e1594de1a1

  • \??\c:\windows\W_X_C.bat

    Filesize

    336B

    MD5

    4db9f8b6175722b62ececeeeba1ce307

    SHA1

    3b3ba8414706e72a6fa19e884a97b87609e11e47

    SHA256

    d2150b9e5a4ce55e140f0ca91c4e300715d42095c8fddf58c77037cdd2cfaf78

    SHA512

    1d6dc274cf7a3dd704f840e6a5ad57ab4c4e35d5f09489aeff520bb797e1c825bac53fc335156fe41e767a46520d031855fe42fe7b175409ebe5e9e986fb9b8b

  • \Users\Admin\AppData\Local\Temp\avscan.exe

    Filesize

    217KB

    MD5

    ccedcfaaa837da7de335ddfa69cc9db7

    SHA1

    f33fea760cb9ae3f809f766941bc8ee092a48087

    SHA256

    070f00f687c703994597a906cfd6cd502136b32c1bddf4775c4e8fecef768eb7

    SHA512

    6031ff16dcf0b3ec57649f0230c33eb724812048e532f256649f113664c9d8d6626c9f693cf013529d0a8ede19e848cd799c09cfd9cb0d40b8fc6c56f7fba9b8

  • memory/2472-61-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB

  • memory/2472-63-0x0000000000220000-0x0000000000230000-memory.dmp

    Filesize

    64KB

  • memory/2664-55-0x0000000002430000-0x0000000002530000-memory.dmp

    Filesize

    1024KB