73d1ca809ef518e57e67d23677138824ef0ab6d175ba87fdb88f5f5dd4fb34f3

Analysis

max time kernel
147s
max time network
150s
platform
windows11-21h2_x64
resource
win11-20241007-en
resource tags

arch:x64arch:x86image:win11-20241007-enlocale:en-usos:windows11-21h2-x64system
submitted
04-01-2025 13:41

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General

Target

idk.exe
Size

839KB
MD5

6d7e70d9185dd0c6cc93dd959a9dab39
SHA1

589c0b18e405d5118bc0385b900eb0ff7d1f3c91
SHA256

73d1ca809ef518e57e67d23677138824ef0ab6d175ba87fdb88f5f5dd4fb34f3
SHA512

dfbd86a6e84a35ced33fe97e8c242a4c42429004dc16c68eac74842acec149d8d758530756713b592f3efd72d774204528abe2c2e405fc5fc25c692879201e2b
SSDEEP

24576:fmIS04YNEMuExDiU6E5R9s8xY/2l/detnIbt+rE:+Q4auS+UjfU2TedIbt+r

Score

7^/10

discovery

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4044	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
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe
4044	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4044	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4044	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4044	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1560 wrote to memory of 4044	1560	idk.exe	77
PID 1560 wrote to memory of 4044	1560	idk.exe	77
PID 1560 wrote to memory of 4044	1560	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:1560
- 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:4044

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
6d7e70d9185dd0c6cc93dd959a9dab39

SHA1
589c0b18e405d5118bc0385b900eb0ff7d1f3c91

SHA256
73d1ca809ef518e57e67d23677138824ef0ab6d175ba87fdb88f5f5dd4fb34f3

SHA512
dfbd86a6e84a35ced33fe97e8c242a4c42429004dc16c68eac74842acec149d8d758530756713b592f3efd72d774204528abe2c2e405fc5fc25c692879201e2b

Download Submit
memory/1560-0-0x00000000745F1000-0x00000000745F2000-memory.dmp

Filesize
4KB

Download
memory/1560-1-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/1560-2-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/1560-18-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/4044-20-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/4044-19-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download
memory/4044-21-0x00000000745F0000-0x0000000074BA1000-memory.dmp

Filesize
5.7MB

Download