c984de3e4447535993a580559125e2b3ae8e4b1ad349de9fcf2e16f8bc664bbd

Analysis

max time kernel
148s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 01:24

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General

Target

olduimatrix.exe
Size

839KB
MD5

6212f7d0c824d68216dad21254ce5d6a
SHA1

25a7dac0b4d851a7086e18f1717b2c7800010f6e
SHA256

c984de3e4447535993a580559125e2b3ae8e4b1ad349de9fcf2e16f8bc664bbd
SHA512

b75fa901ac0c1c9786c58d023a8a982303287c144d011b847a5a5bca224cef565b0bd07c5d4a5d7254d5c701b1720a8241a0ee9ca1cb2e3c28aa95edcd42527c
SSDEEP

24576:kxdS04YNEMuExDiU6E5R9s8xY/2l/d2tnIbt+rp:MP4auS+UjfU2T2dIbt+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-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	olduimatrix.exe

Executes dropped EXE 1 IoCs

pid	Process
2616	AudioDriver.exe

Drops desktop.ini file(s) 2 IoCs

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

Drops file in Windows directory 3 IoCs

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

Suspicious behavior: EnumeratesProcesses 3 IoCs

pid	Process
2616	AudioDriver.exe
2616	AudioDriver.exe
2616	AudioDriver.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2616	AudioDriver.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
2616	AudioDriver.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
2616	AudioDriver.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2616	AudioDriver.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4768 wrote to memory of 2616	4768	olduimatrix.exe	82
PID 4768 wrote to memory of 2616	4768	olduimatrix.exe	82
PID 4768 wrote to memory of 2616	4768	olduimatrix.exe	82

C:\Users\Admin\AppData\Local\Temp\olduimatrix.exe
"C:\Users\Admin\AppData\Local\Temp\olduimatrix.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:4768
- 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
  - Suspicious use of SetWindowsHookEx
  PID:2616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

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
839KB

MD5
6212f7d0c824d68216dad21254ce5d6a

SHA1
25a7dac0b4d851a7086e18f1717b2c7800010f6e

SHA256
c984de3e4447535993a580559125e2b3ae8e4b1ad349de9fcf2e16f8bc664bbd

SHA512
b75fa901ac0c1c9786c58d023a8a982303287c144d011b847a5a5bca224cef565b0bd07c5d4a5d7254d5c701b1720a8241a0ee9ca1cb2e3c28aa95edcd42527c

Download Submit
memory/2616-19-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2616-20-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2616-21-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2616-22-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2616-25-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/2616-28-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4768-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

Filesize
4KB

Download
memory/4768-1-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4768-2-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/4768-18-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download