0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754

General

Target

0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
Size

839KB
MD5

f8fbd7b9f090423f8851529e647a64ef
SHA1

177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b
SHA256

0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754
SHA512

f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9
SSDEEP

24576:wFS04YNEMuExDiU6E5R9s8xY/2l/drtnIbt+r5:w34auS+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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe

Executes dropped EXE 1 IoCs

pid	Process
4164	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\Desktop.ini	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe

Drops file in Windows directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Windows\assembly	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
File created	C:\Windows\assembly\Desktop.ini	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
File opened for modification	C:\Windows\assembly\Desktop.ini	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AudioDriver.exe

Suspicious behavior: EnumeratesProcesses 36 IoCs

pid	Process
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe
4164	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4164	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
4164	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
4164	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3784 wrote to memory of 4164	3784	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe	83
PID 3784 wrote to memory of 4164	3784	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe	83
PID 3784 wrote to memory of 4164	3784	0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe	83

C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.exe
"C:\Users\Admin\AppData\Local\Temp\0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754.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:3784
- 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:4164

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
f8fbd7b9f090423f8851529e647a64ef

SHA1
177dc6e93a4808fa1fb7e1dcd9235ce4559dbc8b

SHA256
0321be602a40fb4526ed4c494716043895e02f8bb2c84dae5b62429e4ecec754

SHA512
f6b173d1952bf663188c80b8c7c05b4e854d708aa561a4e490cb33840295105c3871121196bec5ad66fdc421d6f4c77e3aaf55e33dda3136dacfac00d0239db9

Download Submit
memory/3784-0-0x0000000074602000-0x0000000074603000-memory.dmp

Filesize
4KB

Download
memory/3784-1-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/3784-2-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/3784-19-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-18-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-21-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-20-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download
memory/4164-22-0x0000000074600000-0x0000000074BB1000-memory.dmp

Filesize
5.7MB

Download

Analysis

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