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Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/08/2024, 16:31

General

  • Target

    86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe

  • Size

    13KB

  • MD5

    86cf96a102709afda15710cfbfd00019

  • SHA1

    deca5a44083ffb68eb2b7f87afb6eacbd364fd3c

  • SHA256

    bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d

  • SHA512

    816138e7fcdb2632c92ecf3a62a978ddd97e9343202477053069ddb6dd82bba80ab10c8769068c0ce697973194c8cf537d78e086d3a188021d8fd9a584975f8d

  • SSDEEP

    384:peoiXE6cletE9EijfZETgknvJ4YA0MuxikDg:ViU19EiZ+gkvOYldw

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • UPX packed file 5 IoCs

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

  • Drops file in System32 directory 3 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe"
    1⤵
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1768
    • C:\Windows\SysWOW64\baccopsk.exe
      C:\Windows\system32\baccopsk.exe ˜‰
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2024
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe.bat
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2152

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\86cf96a102709afda15710cfbfd00019_JaffaCakes118.exe.bat

    Filesize

    210B

    MD5

    a546941ff9a2c74318e466d9e6a8299c

    SHA1

    06c0cffe0432446f59508a5ab4cb53db2e6fc0a2

    SHA256

    df3f76bc43375e82d4b095fd267a854419081d5a91f8d303bb75ea1af651b53c

    SHA512

    16a9a82f80da5f95b1cce984401ec65265d7a99f96a0648ff2f8ef7a4022bced24920d343d827c8bab6d0b7306cd1d605676fda00dab05c47655d3db72233827

  • C:\Windows\SysWOW64\baccopsk.exe

    Filesize

    13KB

    MD5

    86cf96a102709afda15710cfbfd00019

    SHA1

    deca5a44083ffb68eb2b7f87afb6eacbd364fd3c

    SHA256

    bd3028764d71a2b618020c93efc84bf3254587063e0037d6e667b81f3697274d

    SHA512

    816138e7fcdb2632c92ecf3a62a978ddd97e9343202477053069ddb6dd82bba80ab10c8769068c0ce697973194c8cf537d78e086d3a188021d8fd9a584975f8d

  • memory/1768-0-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/1768-7-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2024-6-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB

  • memory/2024-23-0x0000000000400000-0x000000000040E000-memory.dmp

    Filesize

    56KB