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Analysis

  • max time kernel
    206s
  • max time network
    224s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/12/2023, 00:36

General

  • Target

    46e2a44ad003b73fe87e8273949b3ac2.exe

  • Size

    248KB

  • MD5

    46e2a44ad003b73fe87e8273949b3ac2

  • SHA1

    9d6fe19cce46e6cf9c3acf1dddfc1147d50a1755

  • SHA256

    34e723d04cad4e6566454837ca5e950e32166a5ba8f06aca5e38efac6aca494e

  • SHA512

    8db160607f91ebbce63ec675e467a2cf68ddce901f0c7c75b9c70d119bd298d12738423f44f9ae6b77c99dd8979ff0f885b0b3df97c524cc57cf5c9166135efc

  • SSDEEP

    3072:+R4z/dJvRDFD1yPBYEmaHtGG2gqZ+/9A+JRjKY5Md41gfy27:PJh1yPptGG2gqZ+FfKqDsX

Score
10/10

Malware Config

Signatures

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

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

  • Executes dropped EXE 1 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).

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\46e2a44ad003b73fe87e8273949b3ac2.exe
    "C:\Users\Admin\AppData\Local\Temp\46e2a44ad003b73fe87e8273949b3ac2.exe"
    1⤵
    • Modifies visiblity of hidden/system files in Explorer
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:4864
    • C:\Users\Admin\sipop.exe
      "C:\Users\Admin\sipop.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
      PID:2328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\sipop.exe

    Filesize

    248KB

    MD5

    fd79424988d07045f7158726421daa33

    SHA1

    eecc1f73d98a7168d9f9bf8acef69287ac283c85

    SHA256

    c49530ed99754b65dca68ea012f0ab6b1d1608ef208fa2af96984663ec672854

    SHA512

    e1826286c6ddc6701c1c81ef6e2a9cc305401c35401571b6f4f3737e25ca54644106d9abb363386226653ca02d1c85d9ad7a80184c74957fd152861cfaa162bf