ce59e3370985a4b7f243de0fb67848bcb223781077dee528e2f4adb8e9d8d656

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
12-01-2025 13:59

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General

Target

idk.exe
Size

845KB
MD5

c0f4b33fab9864dfebccb1f7621ac76a
SHA1

9e65684a22bae25570f019366657a83522434590
SHA256

ce59e3370985a4b7f243de0fb67848bcb223781077dee528e2f4adb8e9d8d656
SHA512

6cd5672e2b3615ebb94fb96de29fe1b2cbfa81c1e18080ad6fbb48b25457481e17d8919823970e5bd1e230e2e8c76d379a515551e35bdc10f305d3349ab3cefe
SSDEEP

24576:JvS04YNEMuExDiU6E5R9s8xY/2l/dHmIbt+rD:JF4auS+UjfU2THmIbt+r

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3828	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	6.tcp.eu.ngrok.io

Drops file in Windows directory 3 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	idk.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	idk.exe
File opened for modification	C:\Windows\assembly	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 3 IoCs

pid	Process
3828	AudioDriver.exe
3828	AudioDriver.exe
3828	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3828	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3828	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3828	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 3828	2792	idk.exe	77
PID 2792 wrote to memory of 3828	2792	idk.exe	77
PID 2792 wrote to memory of 3828	2792	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:2792
- 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:3828

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
845KB

MD5
c0f4b33fab9864dfebccb1f7621ac76a

SHA1
9e65684a22bae25570f019366657a83522434590

SHA256
ce59e3370985a4b7f243de0fb67848bcb223781077dee528e2f4adb8e9d8d656

SHA512
6cd5672e2b3615ebb94fb96de29fe1b2cbfa81c1e18080ad6fbb48b25457481e17d8919823970e5bd1e230e2e8c76d379a515551e35bdc10f305d3349ab3cefe

Download Submit
memory/2792-0-0x0000000074FA1000-0x0000000074FA2000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/2792-2-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/2792-20-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3828-21-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3828-19-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3828-18-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3828-22-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3828-25-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download
memory/3828-26-0x0000000074FA0000-0x0000000075551000-memory.dmp

Filesize
5.7MB

Download