bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8

General

Target

bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe
Size

882KB
MD5

4127fc13c49cccdac5e9d33821e92c7d
SHA1

d401ac808c9db8f1000d7002849c5c7fc067f71d
SHA256

bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8
SHA512

954db6ce053d4cd4553855958cb6323a30b58ee7e5ecd91671458038e78bcd7dfd9e08ffa4c0a55351b6c4827ed177f40fdf5f01e422db0232fd243facbbbf82
SSDEEP

24576:oFS04YNEMuExDiU6E5R9s8xY/2l/dLOIbt+rA0E:o34auS+UjfU2TLOIbt+rw

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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe

Executes dropped EXE 1 IoCs

pid	Process
768	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe
File created	C:\Windows\assembly\Desktop.ini	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.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	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 45 IoCs

pid	Process
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe
768	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	768	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
768	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
768	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3416 wrote to memory of 768	3416	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe	87
PID 3416 wrote to memory of 768	3416	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe	87
PID 3416 wrote to memory of 768	3416	bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe	87

C:\Users\Admin\AppData\Local\Temp\bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.exe
"C:\Users\Admin\AppData\Local\Temp\bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8.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:3416
- 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:768

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
882KB

MD5
4127fc13c49cccdac5e9d33821e92c7d

SHA1
d401ac808c9db8f1000d7002849c5c7fc067f71d

SHA256
bd0dfbc35aa1070260c273abc94e498b75330743e8113aa2de4cd085003161b8

SHA512
954db6ce053d4cd4553855958cb6323a30b58ee7e5ecd91671458038e78bcd7dfd9e08ffa4c0a55351b6c4827ed177f40fdf5f01e422db0232fd243facbbbf82

Download Submit
memory/768-18-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/768-20-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/768-21-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/3416-0-0x00000000748E2000-0x00000000748E3000-memory.dmp

Filesize
4KB

Download
memory/3416-1-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/3416-2-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download
memory/3416-19-0x00000000748E0000-0x0000000074E91000-memory.dmp

Filesize
5.7MB

Download

Analysis

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