Analysis

  • max time kernel
    150s
  • max time network
    123s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-06-2024 12:23

General

  • Target

    021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe

  • Size

    5.6MB

  • MD5

    021a811f65a593778c0a6471e5e7e0f2

  • SHA1

    9638321fdbf7614907ccc8fc7390588863e3a85c

  • SHA256

    fc6b80ddfd6e17e35b021c4348e98d797f83fa58fdff51fa167fee1e29f400b3

  • SHA512

    49fd368dc4f20aff29ec5178321d8249a27977cbc67ac9a8ac05200e9d38634300fc0a430547f3a9f6d479f7ec201bc03bec4f741702d7bcbd5847603858e9c4

  • SSDEEP

    98304:i0qh0r0q2wf02GzMwDws0q40q0qC0FwwRZHwNwYwz0qm0S0qC0mR2wqEwQ0qE0GX:i7effIPEsy58doQaTzwZ8Jq3QKnqVtxs

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
  • Drops file in Drivers directory 3 IoCs
  • Sets service image path in registry 2 TTPs 2 IoCs
  • ACProtect 1.3x - 1.4x DLL software 5 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 2 IoCs
  • UPX packed file 15 IoCs

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

  • Adds Run key to start application 2 TTPs 8 IoCs
  • Enumerates connected drives 3 TTPs 64 IoCs

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

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Modifies WinLogon 2 TTPs 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2856
    • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
        3⤵
        • Drops file in Drivers directory
        • Sets service image path in registry
        • Loads dropped DLL
        • Adds Run key to start application
        • Enumerates connected drives
        • Drops file in System32 directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        PID:2536
    • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1572
      • C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\021a811f65a593778c0a6471e5e7e0f2_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        • Suspicious behavior: EnumeratesProcesses
        PID:1688
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:2520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    1KB

    MD5

    8fc1192a9af8bbe72856639c2fd559cf

    SHA1

    49605f0bdc2e8189e17e22b971b8c67a02cddb5a

    SHA256

    41fd2b5edf288b945e46174e1397c1b025328c13c4bd46b61beb3fa6b5dc91ea

    SHA512

    b42d8a2811473cb285f2805bf9ed9b61673caf6ceb68ce83eb82f5b21f2aa24e681ce9a492a328368169642ff40f6be7d8bd754c8639013088b40cc4af0b3615

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

    Filesize

    410B

    MD5

    dd1ddde43d16b4278ec96134efc6f714

    SHA1

    53044a46ee592c180ae5ce486217b1148e826208

    SHA256

    17e00bb4a8bb7a758d6cca4906cf1068c5b713a3f8442d507172e17500f7c0c2

    SHA512

    93ec07d4964fb59ed9fede7e7fa8df17ced0876df6251e49087b7533f783d7722490a5dfb7ae88595bed1120a93f8a58687d80c22b3af115682c12305fd11f03

  • C:\Users\Admin\AppData\Local\cftmon.exe

    Filesize

    5.6MB

    MD5

    c5bdd2322e6b16556fdf0779f1752e01

    SHA1

    3e3da7992d1c17f2f1d74c1e15e362aafea12fbb

    SHA256

    1d4fa5362cedbc9bc2fa618915c9bbfb5f7650eb1c18c52bbf49629e7cac9da3

    SHA512

    8bb5f204e2c60cae63188cb98d92c34c6c5df081074fe4897fb35686fbac2d9c94385d128cfd639a6e2e721587e1d00078773ce188469dc019342e5baffce369

  • C:\Windows\SysWOW64\drivers\spools.exe

    Filesize

    5.6MB

    MD5

    7e3989d1c9472b47c20ec87e7e6e03e1

    SHA1

    1234ce504bc0953e32b060092472e5775181c058

    SHA256

    263bee33183069b0fd569cfaec5790a5564a6662932b02d2e9b5115a70184922

    SHA512

    48ef8d7bfbaec1b2b600509a0ba1d8607c3676f24bc0d6abe0358f1808af9e213614ce9b1a61765e69a9100ca473eb8a3f12a4460ff84242f01bfe27dd0ee533

  • \Windows\SysWOW64\ftpdll.dll

    Filesize

    5KB

    MD5

    d807aa04480d1d149f7a4cac22984188

    SHA1

    ffd5be65fd10017e34c11cecd105ebf4aa6c0cd9

    SHA256

    eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb

    SHA512

    875543583c20ab164f37a4fb2587d234ce0a15d649d22b0d1dae5933f0a7683db170578746ea4458c51fec26e2243c6ec00dc10db8d4289789e50d5800cf863e

  • memory/1572-48-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1688-20-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/1688-50-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2536-45-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2536-19-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2536-34-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2536-46-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2856-16-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2856-17-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2856-0-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2856-15-0x0000000010000000-0x000000001010B000-memory.dmp

    Filesize

    1.0MB

  • memory/2856-1-0x0000000000430000-0x0000000000456000-memory.dmp

    Filesize

    152KB

  • memory/2988-18-0x00000000007E0000-0x0000000000806000-memory.dmp

    Filesize

    152KB

  • memory/2988-47-0x0000000000400000-0x0000000000426000-memory.dmp

    Filesize

    152KB

  • memory/2988-49-0x00000000007E0000-0x0000000000806000-memory.dmp

    Filesize

    152KB