9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552

General

Target

9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe
Size

839KB
MD5

810281f7ed20d8e458b303abaebac5f4
SHA1

f9610dc859ed9bff05d480ea2896f2c443b20c6b
SHA256

9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552
SHA512

779e618b31edb51cc63daf03502f9501e9146bfcc4b2aad6dbc76550f7d765729aa810b4ca49b29ed61d33fdf3d5e140886124d5f96e3bf3a4420b61bf4fc482
SSDEEP

24576:0FS04YNEMuExDiU6E5R9s8xY/2l/drtnIbt+rj:034auS+UjfU2TrdIbt+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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe

Executes dropped EXE 1 IoCs

pid	Process
3680	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe
File created	C:\Windows\assembly\Desktop.ini	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.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	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe
3680	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	3680	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3680	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
3680	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 3680	4856	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe	83
PID 4856 wrote to memory of 3680	4856	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe	83
PID 4856 wrote to memory of 3680	4856	9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe	83

C:\Users\Admin\AppData\Local\Temp\9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.exe
"C:\Users\Admin\AppData\Local\Temp\9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552.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:4856
- 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:3680

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

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Downloads

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

Filesize
839KB

MD5
810281f7ed20d8e458b303abaebac5f4

SHA1
f9610dc859ed9bff05d480ea2896f2c443b20c6b

SHA256
9e71c5f1b0f381b831374387008961b83a25cc0efff03ffcdb856f6e5eeef552

SHA512
779e618b31edb51cc63daf03502f9501e9146bfcc4b2aad6dbc76550f7d765729aa810b4ca49b29ed61d33fdf3d5e140886124d5f96e3bf3a4420b61bf4fc482

Download Submit
memory/3680-19-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3680-20-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3680-21-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/3680-22-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/4856-0-0x00000000752A2000-0x00000000752A3000-memory.dmp

Filesize
4KB

Download
memory/4856-1-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/4856-2-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download
memory/4856-18-0x00000000752A0000-0x0000000075851000-memory.dmp

Filesize
5.7MB

Download

Analysis

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