ddc0c6b0467b9e19731ed947628be108a0c21e67bd5a2163d58f7bf0d739e0a9

Analysis

max time kernel
91s
max time network
138s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
07-01-2025 18:01

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General

Target

idk.exe
Size

839KB
MD5

f521ace1616a6758a2260a50fbf6286a
SHA1

be8dbd2d331c283a168d770cf60d6e4aec4b6276
SHA256

ddc0c6b0467b9e19731ed947628be108a0c21e67bd5a2163d58f7bf0d739e0a9
SHA512

7cb3fb0730389adf4871704ba6841c165c4482f37abb28f4140e1cc142396aad41a4b50f2b04972e4226a3195d94ed23b8a4c05ad05f6a1b1ad882e86a6978b4
SSDEEP

24576:ipS04YNEMuExDiU6E5R9s8xY/2l/dmtnIbt+r0:iL4auS+UjfU2TmdIbt+r

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2564	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 24 IoCs

pid	Process
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe
2564	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2564	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2564	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2564	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 692 wrote to memory of 2564	692	idk.exe	77
PID 692 wrote to memory of 2564	692	idk.exe	77
PID 692 wrote to memory of 2564	692	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:692
- 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:2564

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
f521ace1616a6758a2260a50fbf6286a

SHA1
be8dbd2d331c283a168d770cf60d6e4aec4b6276

SHA256
ddc0c6b0467b9e19731ed947628be108a0c21e67bd5a2163d58f7bf0d739e0a9

SHA512
7cb3fb0730389adf4871704ba6841c165c4482f37abb28f4140e1cc142396aad41a4b50f2b04972e4226a3195d94ed23b8a4c05ad05f6a1b1ad882e86a6978b4

Download Submit
memory/692-0-0x0000000074C41000-0x0000000074C42000-memory.dmp

Filesize
4KB

Download
memory/692-1-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/692-2-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/692-19-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2564-20-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2564-18-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download
memory/2564-21-0x0000000074C40000-0x00000000751F1000-memory.dmp

Filesize
5.7MB

Download