f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a

General

Target

f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe
Size

839KB
MD5

d08677d4fa15a80c7ded7400f65adeda
SHA1

fe2423932c9000f7e0989181229637c5ec661ab3
SHA256

f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a
SHA512

e695322ed01512d062c45e2ce9ca446a1c8f8ad2aa34a59aa57d33b1a208c961c1e2f9d6bdf82ebfd576bdd0430b051e2513d196d9ad430fe0cd17c954c1c9c5
SSDEEP

24576:tmIS04YNEMuExDiU6E5R9s8xY/2l/detnIbt+rc:QQ4auS+UjfU2TedIbt+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-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe

Executes dropped EXE 1 IoCs

pid	Process
5076	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe
File created	C:\Windows\assembly\Desktop.ini	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.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	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe
5076	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5076	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
5076	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
5076	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1596 wrote to memory of 5076	1596	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe	89
PID 1596 wrote to memory of 5076	1596	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe	89
PID 1596 wrote to memory of 5076	1596	f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe	89

C:\Users\Admin\AppData\Local\Temp\f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.exe
"C:\Users\Admin\AppData\Local\Temp\f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a.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:1596
- 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:5076

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

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
839KB

MD5
d08677d4fa15a80c7ded7400f65adeda

SHA1
fe2423932c9000f7e0989181229637c5ec661ab3

SHA256
f9e59c08f56e899c8b842c90200c1d9a26ab4696f21c77c81f3f99c2b91fe92a

SHA512
e695322ed01512d062c45e2ce9ca446a1c8f8ad2aa34a59aa57d33b1a208c961c1e2f9d6bdf82ebfd576bdd0430b051e2513d196d9ad430fe0cd17c954c1c9c5

Download Submit
memory/1596-0-0x0000000074E72000-0x0000000074E73000-memory.dmp

Filesize
4KB

Download
memory/1596-1-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/1596-2-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/1596-18-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/5076-19-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/5076-20-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/5076-21-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download
memory/5076-22-0x0000000074E70000-0x0000000075421000-memory.dmp

Filesize
5.7MB

Download

Analysis

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