Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-12-2024 01:18

General

  • Target

    b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe

  • Size

    845KB

  • MD5

    6546eb6df97390317bd8254abc7bb5d4

  • SHA1

    4e2ae2993226821804afefbd65e4b350f4b0c841

  • SHA256

    b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1

  • SHA512

    1dfc4e5d7b5e0d687f55c90a6e20a683646109a0e59d4f13b6b28331b16eea094199818930e4805c8360359f3a3a8b7e7452b322fede5c9c4860351999129f2c

  • SSDEEP

    24576:tvS04YNEMuExDiU6E5R9s8xY/2l/dH0Ibt+re:tF4auS+UjfU2TH0Ibt+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 36 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.exe
    "C:\Users\Admin\AppData\Local\Temp\b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1.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:1956
    • 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
      • Suspicious use of SetWindowsHookEx
      PID:3520

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    845KB

    MD5

    6546eb6df97390317bd8254abc7bb5d4

    SHA1

    4e2ae2993226821804afefbd65e4b350f4b0c841

    SHA256

    b3368bbd2146f02b1203d743fa70a0cb890bb9fed80086cedcef28be6ba155c1

    SHA512

    1dfc4e5d7b5e0d687f55c90a6e20a683646109a0e59d4f13b6b28331b16eea094199818930e4805c8360359f3a3a8b7e7452b322fede5c9c4860351999129f2c

  • memory/1956-0-0x0000000074AD2000-0x0000000074AD3000-memory.dmp

    Filesize

    4KB

  • memory/1956-1-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1956-2-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/1956-18-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3520-19-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3520-20-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3520-21-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3520-22-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB

  • memory/3520-23-0x0000000074AD0000-0x0000000075081000-memory.dmp

    Filesize

    5.7MB