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Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240412-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/04/2024, 06:14

General

  • Target

    ff53d1af3691353d25e995a33ac485d288edcd8f1b2e7df08bbf3324f15a4694.exe

  • Size

    204KB

  • MD5

    25455b745a75237a9611c683b9741314

  • SHA1

    0d46b505694d8def85bf580dbb9a4f5b7acf5525

  • SHA256

    ff53d1af3691353d25e995a33ac485d288edcd8f1b2e7df08bbf3324f15a4694

  • SHA512

    3604391d10e3b8f2b94d6aef17372cc896d79c416e2ee734cf7b54c16b7c6c340e8f34bf5031e18f1b153180a78459891935e96ae98e92ff56ec6c5e08fe76bd

  • SSDEEP

    1536:IU9d4HQ4zxHwxhzbaxNy3tQ9CW5EZWHakMwP9W6uXNi9f1AWa11GBPIdRONd+w6N:JaHQLva0tQ9nLHbB9W+k9ZJgImCtUw

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 27 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\ff53d1af3691353d25e995a33ac485d288edcd8f1b2e7df08bbf3324f15a4694.exe
    "C:\Users\Admin\AppData\Local\Temp\ff53d1af3691353d25e995a33ac485d288edcd8f1b2e7df08bbf3324f15a4694.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:1236
    • C:\Users\Admin\yoaeke.exe
      "C:\Users\Admin\yoaeke.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:748

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\yoaeke.exe

    Filesize

    204KB

    MD5

    abee50e21f8f3cfcb366c4ef94f362f3

    SHA1

    7decfc32a6c1a81dc3b7d41ac4e1e5f56dc784ad

    SHA256

    406b3dcb38a8bd7e2be631d23ff8add2aa97261d95702852193dda5bef980f13

    SHA512

    cb2e12dcdccad4c10f4ba0daa6fb6140f3f7c1d43f270b24d23334d5cb39b2887e5faba3ca5351f1eaf031740ebb2bd76b60346cb4e1afb0c953c89f448dff12

  • memory/748-34-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/748-38-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-0-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB

  • memory/1236-37-0x0000000000400000-0x000000000043D000-memory.dmp

    Filesize

    244KB