fd76419658ee3daf09badb75d350758ef6418dd21fb610423fb2ff6111d657a4

Analysis

max time kernel
149s
max time network
154s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18/10/2024, 06:39

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General

Target

PCLockUpdate.exe
Size

196KB
MD5

05af59df653b0672ef60ac599324d94e
SHA1

a3bd4e45f1e664000cd13ea335ee7ef1b77d1e83
SHA256

7d1bb05b1a15352fa62f1edf8efa0dab7b2b80137577b6eedc7d6152381fa4de
SHA512

e924f0788499f56c9c8dc0022925b0e0c62b371e3d0a4e41c9a7be58bd7c6395a4e4b6ee93de601dbd54f1d83c1f3105334dac8c0e233b49bd7e6bc194a19c2a
SSDEEP

768:FeA5S0GVkyQq8m3t50FqevgUpPtWSiodxz76H4M8DnhgNR3upi:o0UOm3KzWStBY4M6gNR3Ai

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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	PCLockUpdate.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 3 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	PCLockUpdate.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PCLockLauncher.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PCLockLauncher.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
3708	PCLockUpdate.exe
3708	PCLockUpdate.exe
4752	PCLockLauncher.exe
4752	PCLockLauncher.exe
4084	PCLockLauncher.exe
4084	PCLockLauncher.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3708 wrote to memory of 4752	3708	PCLockUpdate.exe	87
PID 3708 wrote to memory of 4752	3708	PCLockUpdate.exe	87
PID 3708 wrote to memory of 4752	3708	PCLockUpdate.exe	87
PID 3708 wrote to memory of 4084	3708	PCLockUpdate.exe	88
PID 3708 wrote to memory of 4084	3708	PCLockUpdate.exe	88
PID 3708 wrote to memory of 4084	3708	PCLockUpdate.exe	88

C:\Users\Admin\AppData\Local\Temp\PCLockUpdate.exe
"C:\Users\Admin\AppData\Local\Temp\PCLockUpdate.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3708
- C:\Users\Admin\AppData\Local\Temp\PCLockLauncher.exe
  "C:\Users\Admin\AppData\Local\Temp\PCLockLauncher.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4752
- C:\Users\Admin\AppData\Local\Temp\PCLockLauncher.exe
  "C:\Users\Admin\AppData\Local\Temp\PCLockLauncher.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4084

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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