Analysis

  • max time kernel
    152s
  • max time network
    104s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 22:42

General

  • Target

    c3ff0c14844495c91b62701dd1ee86f72c6c569cb2c5150a8292e1d832b84a03.exe

  • Size

    180KB

  • MD5

    b1a758340b035f760773fc6762af3751

  • SHA1

    283f08331c7505d95eb26f9a3cb6b7d8856fb8ba

  • SHA256

    c3ff0c14844495c91b62701dd1ee86f72c6c569cb2c5150a8292e1d832b84a03

  • SHA512

    0c4b0665185084663ab8ba5df9c22dc577f4ea04ff9e274449c3b9d47e758cb09dda4f1372b777f659a626a6b211fbfdaf6213fc929f3e2af7f19fdc4d5ce23c

  • SSDEEP

    1536:Z7aZw99C4YUUTq2Q/hZx7vkrkx/xBEWs3D/:Mmcrkx/xHs3D

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 52 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c3ff0c14844495c91b62701dd1ee86f72c6c569cb2c5150a8292e1d832b84a03.exe
    "C:\Users\Admin\AppData\Local\Temp\c3ff0c14844495c91b62701dd1ee86f72c6c569cb2c5150a8292e1d832b84a03.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1484
    • C:\Users\Admin\jeaki.exe
      "C:\Users\Admin\jeaki.exe"
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2000

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\jeaki.exe

    Filesize

    180KB

    MD5

    a0de0a1d1e400cbeed54c122915d2969

    SHA1

    494a37f2245f2ee205c9ec295d61fffdc36b3445

    SHA256

    f178bc58f258a7923ec21ed218e1dac5b77cec283b620e0de99e2b4098091c38

    SHA512

    be54bbf2efbf92b7f91d7e153a5158be42439ac5391f3ccdfd19cc5d1f7ab4d9983616c5b497e1cac04f7fa43f3716dcf6ddf939fde26d580cafd1792f7d7ff3

  • C:\Users\Admin\jeaki.exe

    Filesize

    180KB

    MD5

    a0de0a1d1e400cbeed54c122915d2969

    SHA1

    494a37f2245f2ee205c9ec295d61fffdc36b3445

    SHA256

    f178bc58f258a7923ec21ed218e1dac5b77cec283b620e0de99e2b4098091c38

    SHA512

    be54bbf2efbf92b7f91d7e153a5158be42439ac5391f3ccdfd19cc5d1f7ab4d9983616c5b497e1cac04f7fa43f3716dcf6ddf939fde26d580cafd1792f7d7ff3

  • \Users\Admin\jeaki.exe

    Filesize

    180KB

    MD5

    a0de0a1d1e400cbeed54c122915d2969

    SHA1

    494a37f2245f2ee205c9ec295d61fffdc36b3445

    SHA256

    f178bc58f258a7923ec21ed218e1dac5b77cec283b620e0de99e2b4098091c38

    SHA512

    be54bbf2efbf92b7f91d7e153a5158be42439ac5391f3ccdfd19cc5d1f7ab4d9983616c5b497e1cac04f7fa43f3716dcf6ddf939fde26d580cafd1792f7d7ff3

  • \Users\Admin\jeaki.exe

    Filesize

    180KB

    MD5

    a0de0a1d1e400cbeed54c122915d2969

    SHA1

    494a37f2245f2ee205c9ec295d61fffdc36b3445

    SHA256

    f178bc58f258a7923ec21ed218e1dac5b77cec283b620e0de99e2b4098091c38

    SHA512

    be54bbf2efbf92b7f91d7e153a5158be42439ac5391f3ccdfd19cc5d1f7ab4d9983616c5b497e1cac04f7fa43f3716dcf6ddf939fde26d580cafd1792f7d7ff3

  • memory/1484-56-0x0000000075241000-0x0000000075243000-memory.dmp

    Filesize

    8KB

  • memory/2000-59-0x0000000000000000-mapping.dmp