Analysis

  • max time kernel
    165s
  • max time network
    191s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-11-2022 20:55

General

  • Target

    87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a.exe

  • Size

    88KB

  • MD5

    a33a0aedfa094aadd074015b2207db86

  • SHA1

    dcb5102ef86fa89b31adedcdee1991616b4ce389

  • SHA256

    87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a

  • SHA512

    6d30a62b77a502971b09457eb2ff48441364b6c6c851b249d7d3ff9f7107a76b976720e0594745fb7c1af8163a62c0fe7ce7a53dbf2ea5dfd2a3be5ea73e55ff

  • SSDEEP

    768:fDFIzMsddaqnObOasGEwU8Z1Rbe2kjEQJQ1H7a8zFkzqcwuHW:JIYZiCU8Z1QjEQJecwuHW

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Adds Run key to start application 2 TTPs 53 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\87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a.exe
    "C:\Users\Admin\AppData\Local\Temp\87d742e118752759069d49307aca2d83d3e4f5da05f891e15bc1882814ec8a6a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:360
    • C:\Users\Admin\diuaxin.exe
      "C:\Users\Admin\diuaxin.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:1560

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\diuaxin.exe

    Filesize

    88KB

    MD5

    e90e6516bb02b0e72b61760c56fe27e4

    SHA1

    ed608e1ccb237f7e9fe24ec3b230e2f068e17563

    SHA256

    037ac2b720fffb9b79a14170f9581bbc0a978a61dcfaed1c94f0dc7a42375cbd

    SHA512

    6cbaaa6b98e088a2ff3ea04340aea8e8a332f63488e22915f3a06181daa58f511ed12904b5b314bbf6373a0591df42859d668085a135c9ecc12fd4725c86b88e

  • C:\Users\Admin\diuaxin.exe

    Filesize

    88KB

    MD5

    e90e6516bb02b0e72b61760c56fe27e4

    SHA1

    ed608e1ccb237f7e9fe24ec3b230e2f068e17563

    SHA256

    037ac2b720fffb9b79a14170f9581bbc0a978a61dcfaed1c94f0dc7a42375cbd

    SHA512

    6cbaaa6b98e088a2ff3ea04340aea8e8a332f63488e22915f3a06181daa58f511ed12904b5b314bbf6373a0591df42859d668085a135c9ecc12fd4725c86b88e

  • memory/1560-134-0x0000000000000000-mapping.dmp