b69bff4710bb1b17baab201c75049638e0688dc099a938cd82fee53e842aef8d

Analysis

max time kernel
149s
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
06-01-2025 19:39

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General

Target

idk.exe
Size

839KB
MD5

c1f4bd1038211fa79f4d8f53d6491172
SHA1

6e1905a7c3bd720560af8f4847cd9dc2c9ce9cf8
SHA256

b69bff4710bb1b17baab201c75049638e0688dc099a938cd82fee53e842aef8d
SHA512

1e7831fab45cd5cfccc54aeb92d84c55e6a1fefc8cd2f6abea286b127360a903ad2528544169d407b47694888d8bedb1da6f238f3558e2c9116f6bb6a2d7d01e
SSDEEP

24576:6pS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+rs:6L4auS+UjfU2TmdIbt+r

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4284	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	idk.exe
File created	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	7.tcp.eu.ngrok.io

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly\Desktop.ini	idk.exe
File opened for modification	C:\Windows\assembly	idk.exe
File created	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 42 IoCs

pid	Process
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe
4284	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4284	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4284	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4284	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3756 wrote to memory of 4284	3756	idk.exe	78
PID 3756 wrote to memory of 4284	3756	idk.exe	78
PID 3756 wrote to memory of 4284	3756	idk.exe	78

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:3756
- 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:4284

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

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Downloads

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

Filesize
839KB

MD5
c1f4bd1038211fa79f4d8f53d6491172

SHA1
6e1905a7c3bd720560af8f4847cd9dc2c9ce9cf8

SHA256
b69bff4710bb1b17baab201c75049638e0688dc099a938cd82fee53e842aef8d

SHA512
1e7831fab45cd5cfccc54aeb92d84c55e6a1fefc8cd2f6abea286b127360a903ad2528544169d407b47694888d8bedb1da6f238f3558e2c9116f6bb6a2d7d01e

Download Submit
memory/3756-0-0x0000000074E61000-0x0000000074E62000-memory.dmp

Filesize
4KB

Download
memory/3756-1-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3756-2-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3756-18-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4284-19-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/4284-20-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download