f85d2d4bd5f31e9e128c6453f7f3ef5e374985471854d99358da4c9ce8cb2545

Analysis

max time kernel
147s
max time network
151s
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 04:25

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General

Target

idk.exe
Size

839KB
MD5

3ce1d3201922d8c937a33d67a6a28f7c
SHA1

216b069f775ef6a6421862060d2bb8cce273ca78
SHA256

f85d2d4bd5f31e9e128c6453f7f3ef5e374985471854d99358da4c9ce8cb2545
SHA512

bcc5b02c768a5955016fa485ddd74a8cc2216ef26422e2bf2418f80947e9df7d5ffe4b9206b47f90e7975f9917892f859437946d691470cc31a79bd26d69bb1c
SSDEEP

24576:IpS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rv:IL4auS+UjfU2TmdIbt+r

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
5032	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	idk.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	idk.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
1	5.tcp.eu.ngrok.io

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	idk.exe
File created	C:\Windows\assembly\Desktop.ini	idk.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	idk.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	idk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe
5032	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5032	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5032	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
5032	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4940 wrote to memory of 5032	4940	idk.exe	77
PID 4940 wrote to memory of 5032	4940	idk.exe	77
PID 4940 wrote to memory of 5032	4940	idk.exe	77

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:4940
- 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:5032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
839KB

MD5
3ce1d3201922d8c937a33d67a6a28f7c

SHA1
216b069f775ef6a6421862060d2bb8cce273ca78

SHA256
f85d2d4bd5f31e9e128c6453f7f3ef5e374985471854d99358da4c9ce8cb2545

SHA512
bcc5b02c768a5955016fa485ddd74a8cc2216ef26422e2bf2418f80947e9df7d5ffe4b9206b47f90e7975f9917892f859437946d691470cc31a79bd26d69bb1c

Download Submit
memory/4940-0-0x0000000074591000-0x0000000074592000-memory.dmp

Filesize
4KB

Download
memory/4940-1-0x0000000074590000-0x0000000074B41000-memory.dmp

Filesize
5.7MB

Download
memory/4940-18-0x0000000074590000-0x0000000074B41000-memory.dmp

Filesize
5.7MB

Download
memory/5032-19-0x0000000074590000-0x0000000074B41000-memory.dmp

Filesize
5.7MB

Download
memory/5032-17-0x0000000074590000-0x0000000074B41000-memory.dmp

Filesize
5.7MB

Download
memory/5032-20-0x0000000074590000-0x0000000074B41000-memory.dmp

Filesize
5.7MB

Download