e76c87875d3ac87a70049cc60278270c6dd00f80bc4129d3fc26d208a6d99bfe

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 21:15

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General

Target

idk.exe
Size

839KB
MD5

1cf7cbdb2e039ba544f3cd225b76efb9
SHA1

c46ed5117c0f28ff019b3da9182d8940ba187b3b
SHA256

e76c87875d3ac87a70049cc60278270c6dd00f80bc4129d3fc26d208a6d99bfe
SHA512

fb5c55daedf44f04114a28443b3fad02b97f54e06d16d8381b2ea55857672d280b0941d89100a10e72c3f162669738f0b21ba91bc5507b8966a23f4557c9e54b
SSDEEP

24576:CmIS04YNEMuExDiU6E5R9s8xY/2l/detnIbt+rL:hQ4auS+UjfU2TedIbt+r

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3680	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

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
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3680	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3680	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3680	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3608 wrote to memory of 3680	3608	idk.exe	78
PID 3608 wrote to memory of 3680	3608	idk.exe	78
PID 3608 wrote to memory of 3680	3608	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:3608
- 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:3680

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

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
839KB

MD5
1cf7cbdb2e039ba544f3cd225b76efb9

SHA1
c46ed5117c0f28ff019b3da9182d8940ba187b3b

SHA256
e76c87875d3ac87a70049cc60278270c6dd00f80bc4129d3fc26d208a6d99bfe

SHA512
fb5c55daedf44f04114a28443b3fad02b97f54e06d16d8381b2ea55857672d280b0941d89100a10e72c3f162669738f0b21ba91bc5507b8966a23f4557c9e54b

Download Submit
memory/3608-0-0x0000000075311000-0x0000000075312000-memory.dmp

Filesize
4KB

Download
memory/3608-1-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3608-2-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3608-18-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3680-19-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3680-20-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3680-21-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3680-22-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download