cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a

General

Target

cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe
Size

1.2MB
MD5

1b1aacc66dbfe0f0510a9b28db635030
SHA1

8c994aa138ff968020ac8b0132c2f442a63e5d8c
SHA256

cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a
SHA512

91343ffc72c91b06a7dd0e4eee8325f53880c80db939df59d523d89282fdda227f70d94e89d37246d3edda780e1ceef38394e684c951c6fbbfb792c3cc4f3d71
SSDEEP

24576:h+S04YNEMuExDiU6E5R9s8xY/2l/dRJ5dtsPxNGfzwIbt+r1:ha4auS+UjfU2T/5XDsIbt+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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe

Executes dropped EXE 1 IoCs

pid	Process
4848	AudioDriver.exe

Loads dropped DLL 1 IoCs

pid	Process
4848	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe
File created	C:\Windows\assembly\Desktop.ini	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.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	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe
4848	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4848	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4848	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4848	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4848	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1656 wrote to memory of 4848	1656	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe	86
PID 1656 wrote to memory of 4848	1656	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe	86
PID 1656 wrote to memory of 4848	1656	cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe	86

C:\Users\Admin\AppData\Local\Temp\cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.exe
"C:\Users\Admin\AppData\Local\Temp\cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a.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:1656
- C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Speech\AudioDriver.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:4848

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\GamerView\sqlite3.dll

Filesize
626KB

MD5
d8aec01ff14e3e7ad43a4b71e30482e4

SHA1
e3015f56f17d845ec7eef11d41bbbc28cc16d096

SHA256
da1d608be064555ab3d3d35e6db64527b8c44f3fa5ddd7c3ec723f80fc99736e

SHA512
f5b2f4bda0cc13e1d1c541fb0caea14081ee4daffd497e31a3d4d55d5f9d85a61158b4891a6527efe623b2f32b697ac912320d9be5c0303812ca98dcc8866fcf

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

Filesize
1.2MB

MD5
1b1aacc66dbfe0f0510a9b28db635030

SHA1
8c994aa138ff968020ac8b0132c2f442a63e5d8c

SHA256
cd5b3e000f5313d4938eab87c510d113723d316cc3273dbbbb73f919a60e611a

SHA512
91343ffc72c91b06a7dd0e4eee8325f53880c80db939df59d523d89282fdda227f70d94e89d37246d3edda780e1ceef38394e684c951c6fbbfb792c3cc4f3d71

Download Submit
memory/1656-0-0x00000000751C2000-0x00000000751C3000-memory.dmp

Filesize
4KB

Download
memory/1656-1-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/1656-2-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/1656-20-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4848-19-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4848-25-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4848-30-0x00000000751C0000-0x0000000075771000-memory.dmp

Filesize
5.7MB

Download
memory/4848-31-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download

Analysis

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