408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953

General

Target

408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
Size

845KB
MD5

fe7464234b05dd43a899ecba564bc33e
SHA1

8ff7985f1cc14fbadffa98a8996f1a23210941e6
SHA256

408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953
SHA512

1da2270f3a4c28cdb6c52e23244ef0b72bfab387a327fbc0422f608183b260315980ee364dee98ab0027c7c3bba94c3f06361abb0eddbbf162aaad0bcb52b74b
SSDEEP

24576:YvS04YNEMuExDiU6E5R9s8xY/2l/dH6zIbt+rE:YF4auS+UjfU2THyIbt+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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe

Executes dropped EXE 1 IoCs

pid	Process
2340	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs

Web Service

T1102

flow	ioc
51	0.tcp.eu.ngrok.io
13	0.tcp.eu.ngrok.io
38	0.tcp.eu.ngrok.io

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
File created	C:\Windows\assembly\Desktop.ini	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe
2340	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2340	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2340	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2340	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4080 wrote to memory of 2340	4080	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe	82
PID 4080 wrote to memory of 2340	4080	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe	82
PID 4080 wrote to memory of 2340	4080	408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe	82

C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.exe
"C:\Users\Admin\AppData\Local\Temp\408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953.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:4080
- 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:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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

Filesize
845KB

MD5
fe7464234b05dd43a899ecba564bc33e

SHA1
8ff7985f1cc14fbadffa98a8996f1a23210941e6

SHA256
408208c7baccb589dd4cb6339cda1f089eefcc6aa94c3ffe5d27ff0c50408953

SHA512
1da2270f3a4c28cdb6c52e23244ef0b72bfab387a327fbc0422f608183b260315980ee364dee98ab0027c7c3bba94c3f06361abb0eddbbf162aaad0bcb52b74b

Download Submit
memory/2340-20-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/2340-18-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/2340-21-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/2340-22-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/2340-23-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4080-0-0x0000000074852000-0x0000000074853000-memory.dmp

Filesize
4KB

Download
memory/4080-1-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4080-2-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download
memory/4080-19-0x0000000074850000-0x0000000074E01000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing