Analysis

  • max time kernel
    292s
  • max time network
    300s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2024 22:37

General

  • Target

    idk.exe

  • Size

    839KB

  • MD5

    605d73e9bf77ed652af072176bc1be67

  • SHA1

    063f50dee4ef0ada0aa8b67cba1b2098f97ecd97

  • SHA256

    cedc75de765783038eed29e50b78f3be3b846e2ad8fdf591880072a9dd91d17a

  • SHA512

    732c5fe970994a9bbfdcedcc6bf2c6d7827beefe84ebd9f81a0b84d29ca26dd559c2210260aac9276d26c43fa9c9ca445b266de2f4f33a09d70199a94164d07f

  • SSDEEP

    24576:fpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rj:fL4auS+UjfU2TmdIbt+r

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops desktop.ini file(s) 2 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 64 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⤵
    • Checks computer location settings
    • Drops desktop.ini file(s)
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4692
    • 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:4524

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

    605d73e9bf77ed652af072176bc1be67

    SHA1

    063f50dee4ef0ada0aa8b67cba1b2098f97ecd97

    SHA256

    cedc75de765783038eed29e50b78f3be3b846e2ad8fdf591880072a9dd91d17a

    SHA512

    732c5fe970994a9bbfdcedcc6bf2c6d7827beefe84ebd9f81a0b84d29ca26dd559c2210260aac9276d26c43fa9c9ca445b266de2f4f33a09d70199a94164d07f

  • memory/4524-18-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/4524-19-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/4524-20-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/4524-22-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/4692-0-0x0000000074EA2000-0x0000000074EA3000-memory.dmp

    Filesize

    4KB

  • memory/4692-1-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/4692-2-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB

  • memory/4692-21-0x0000000074EA0000-0x0000000075451000-memory.dmp

    Filesize

    5.7MB