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Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    14/07/2024, 12:08

General

  • Target

    45bef09086bdc314598d50d123d8e7e6_JaffaCakes118.exe

  • Size

    21KB

  • MD5

    45bef09086bdc314598d50d123d8e7e6

  • SHA1

    520ae4ff7a037079b82120816cfdb3ced0f14d5b

  • SHA256

    6bfbe2c450ac06d912174ffc2dc64f14cf12472d031dd46a40286077dbcc758a

  • SHA512

    5423f0e285153265bb0ba46a1562d87c45ed23dd07557953d11efa48e65dc1f01fa55a0046049e1e57438ae2019c724cd9922a0feee9f859487a9399cbc491dc

  • SSDEEP

    384:MYvthSSYGdnT9Sw3NNAGiXtLrtPsjrTfNSbFbnrzK8N9CfiLCK1/3U:5EKT9t3IptrtEDMbFzfK8NmVKt3U

Score
10/10

Malware Config

Signatures

  • Adds autorun key to be loaded by Explorer.exe on startup 2 TTPs 1 IoCs
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 3 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45bef09086bdc314598d50d123d8e7e6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45bef09086bdc314598d50d123d8e7e6_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Users\Admin\AppData\Local\Temp\dsad22.exe
      "C:\Users\Admin\AppData\Local\Temp\dsad22.exe"
      2⤵
      • Adds autorun key to be loaded by Explorer.exe on startup
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Modifies registry class
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\8324.tmp.bat
        3⤵
          PID:788
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c C:\Users\Admin\AppData\Local\Temp\AD9D.tmp.bat
        2⤵
        • Deletes itself
        PID:2908

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\8324.tmp.bat

      Filesize

      132B

      MD5

      7d6249f1cea47ef588608864e84fd46d

      SHA1

      26b2c209a9ae8d4f4cb992d1c62b76eacc7fb068

      SHA256

      c162ce6ae94dafef9ad3117fc4012ff0cff660bd0a8f3d4cbf39e79c90844f6f

      SHA512

      c2d605b18a4c3e7dc91f5fba42c8f23fd6f19c7094badf4ea8747179b160abb359ff0b2d594718702645d5a5e53655df70fce3967afce479a219972e766bde35

    • C:\Users\Admin\AppData\Local\Temp\AD9D.tmp.bat

      Filesize

      212B

      MD5

      98d603fcc978424dcbe6d5338fe7589e

      SHA1

      20c4bd717935e6961f4e034c15497938a0e0259e

      SHA256

      74d8a7e5ddca101ab989960a7c3f107deff4aa43bfed14efbc1d1e38987b6e1f

      SHA512

      ba06105b90a8295828f81da72c1a1ec7f45f6fa45ac05185f4f54dbc86644ea17821ad564101364182483354315279d6bb0bee30cc961ca185150f1c59916262

    • C:\Windows\SysWOW64\xbrqqdie.tmp

      Filesize

      2.4MB

      MD5

      27e09b35a75e9a4717f834d2e373a87e

      SHA1

      9b2c79b5388f188755faa0a6d2e2daa35404886a

      SHA256

      b24af0b3f1473f45a1f27109c52254800cc36faf8d8104bae7830877fa855778

      SHA512

      1c820ed3ff8abac60572283dca838dfe1388a7dc2d873e7061cae123ed5f887ecfd90885adf54c1f801eb19c3c9bf3508fa8ab33af37585a6024f11b281fdaba

    • \Users\Admin\AppData\Local\Temp\dsad22.exe

      Filesize

      21KB

      MD5

      45bef09086bdc314598d50d123d8e7e6

      SHA1

      520ae4ff7a037079b82120816cfdb3ced0f14d5b

      SHA256

      6bfbe2c450ac06d912174ffc2dc64f14cf12472d031dd46a40286077dbcc758a

      SHA512

      5423f0e285153265bb0ba46a1562d87c45ed23dd07557953d11efa48e65dc1f01fa55a0046049e1e57438ae2019c724cd9922a0feee9f859487a9399cbc491dc

    • memory/2536-12-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2536-33-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2536-34-0x0000000010000000-0x000000001000D000-memory.dmp

      Filesize

      52KB

    • memory/2568-0-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB

    • memory/2568-11-0x0000000002B00000-0x0000000002B14000-memory.dmp

      Filesize

      80KB

    • memory/2568-21-0x0000000000400000-0x0000000000414000-memory.dmp

      Filesize

      80KB