49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4

General

Target

49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe
Size

843KB
MD5

948ec552784ee8ccb45b56b5ae7d7916
SHA1

1cdb1221c268721c8741f5f63ab197d850f62073
SHA256

49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4
SHA512

c7055d1cdb5f7a988730a821a15d110ba8d1dec8ea6773d50116df4a32a0e481a365e58b447b95a1bff1466f3398036131a869a2bb194d26d8f90d4af8da5d44
SSDEEP

24576:YBS04YNEMuExDiU6E5R9s8xY/2l/dsfIbt+r6:Yj4auS+UjfU2TsfIbt+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-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe

Executes dropped EXE 1 IoCs

pid	Process
2680	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe
File created	C:\Windows\assembly\Desktop.ini	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.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	AudioDriver.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe
2680	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2680	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2680	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3440 wrote to memory of 2680	3440	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe	82
PID 3440 wrote to memory of 2680	3440	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe	82
PID 3440 wrote to memory of 2680	3440	49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe	82

C:\Users\Admin\AppData\Local\Temp\49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.exe
"C:\Users\Admin\AppData\Local\Temp\49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4.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:3440
- 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 SetWindowsHookEx
  PID:2680

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
843KB

MD5
948ec552784ee8ccb45b56b5ae7d7916

SHA1
1cdb1221c268721c8741f5f63ab197d850f62073

SHA256
49959dde61d60467f69a81253006ef7f23b9e5dc6f6bb714180240c3e50b57b4

SHA512
c7055d1cdb5f7a988730a821a15d110ba8d1dec8ea6773d50116df4a32a0e481a365e58b447b95a1bff1466f3398036131a869a2bb194d26d8f90d4af8da5d44

Download Submit
memory/2680-19-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/2680-20-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/2680-21-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/2680-22-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/3440-0-0x0000000075502000-0x0000000075503000-memory.dmp

Filesize
4KB

Download
memory/3440-2-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/3440-1-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download
memory/3440-18-0x0000000075500000-0x0000000075AB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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