Analysis

  • max time kernel
    147s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20241007-en
  • resource tags

    arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    10-01-2025 21:14

General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    45702e3cbbd1b1fa5bc5b2e1add59a28

  • SHA1

    62f523fc942ad0fde771da6591c6e80d62112f3b

  • SHA256

    885a499d2e0fd28f91423772902b48903d59ef9d11222ceacdb5d46159d41401

  • SHA512

    42b13e3bdc31255e62ee49c4e7d2c16486948ba1e5787dbfe8a8178ed5fae759e682c7d44c2ad10e283e83c5a4b12ca916f0ea3b9abb027a52435949293fe61e

  • SSDEEP

    24576:PpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rq:PL4auS+UjfU2TmdIbt+r

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 42 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\idk.exe
    "C:\Users\Admin\AppData\Local\Temp\idk.exe"
    1⤵
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4920
    • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      PID:4232

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe

    Filesize

    839KB

    MD5

    45702e3cbbd1b1fa5bc5b2e1add59a28

    SHA1

    62f523fc942ad0fde771da6591c6e80d62112f3b

    SHA256

    885a499d2e0fd28f91423772902b48903d59ef9d11222ceacdb5d46159d41401

    SHA512

    42b13e3bdc31255e62ee49c4e7d2c16486948ba1e5787dbfe8a8178ed5fae759e682c7d44c2ad10e283e83c5a4b12ca916f0ea3b9abb027a52435949293fe61e

  • memory/4232-18-0x0000000074600000-0x0000000074BB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4232-20-0x0000000074600000-0x0000000074BB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4232-21-0x0000000074600000-0x0000000074BB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4920-0-0x0000000074601000-0x0000000074602000-memory.dmp

    Filesize

    4KB

  • memory/4920-1-0x0000000074600000-0x0000000074BB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4920-2-0x0000000074600000-0x0000000074BB1000-memory.dmp

    Filesize

    5.7MB

  • memory/4920-19-0x0000000074600000-0x0000000074BB1000-memory.dmp

    Filesize

    5.7MB