3055060895a67d1b8b76db994dab43105917011f76d660c2e80b6295293eced7

Analysis

max time kernel
78s
max time network
82s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 19:05

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General

Target

idk.exe
Size

839KB
MD5

0f7d739868edca8ff1fc08ddbff4246a
SHA1

6f9e5606635eda95cbe254a2c3c2db372742ece1
SHA256

3055060895a67d1b8b76db994dab43105917011f76d660c2e80b6295293eced7
SHA512

c40604fee46a39c7423d7f907dbbc9a357d2e0e20d3195ea95473b6b4113787b087dc28e976eee34cc24272ce840442feaee565d95052908921c2faaaae8d12b
SSDEEP

24576:HBS04YNEMuExDiU6E5R9s8xY/2l/dGtnIbt+rm:Hj4auS+UjfU2TGdIbt+r

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Control Panel\International\Geo\Nation	idk.exe

Executes dropped EXE 1 IoCs

pid	Process
1596	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 2 IoCs

Web Service

T1102

flow	ioc
21	5.tcp.eu.ngrok.io
31	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	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	idk.exe

Suspicious behavior: EnumeratesProcesses 24 IoCs

pid	Process
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe
1596	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1596	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
1596	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
1596	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 1596	4892	idk.exe	83
PID 4892 wrote to memory of 1596	4892	idk.exe	83
PID 4892 wrote to memory of 1596	4892	idk.exe	83

C:\Users\Admin\AppData\Local\Temp\idk.exe
"C:\Users\Admin\AppData\Local\Temp\idk.exe"
1⤵
- Checks computer location settings
- Drops desktop.ini file(s)
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4892
- 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:1596

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

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
0f7d739868edca8ff1fc08ddbff4246a

SHA1
6f9e5606635eda95cbe254a2c3c2db372742ece1

SHA256
3055060895a67d1b8b76db994dab43105917011f76d660c2e80b6295293eced7

SHA512
c40604fee46a39c7423d7f907dbbc9a357d2e0e20d3195ea95473b6b4113787b087dc28e976eee34cc24272ce840442feaee565d95052908921c2faaaae8d12b

Download Submit
memory/1596-19-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/1596-20-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/1596-21-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4892-0-0x00000000749D2000-0x00000000749D3000-memory.dmp

Filesize
4KB

Download
memory/4892-1-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4892-2-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download
memory/4892-18-0x00000000749D0000-0x0000000074F81000-memory.dmp

Filesize
5.7MB

Download