ec3c8489436f64916d43500ca3d3ec4f0690048ec9c32400fc3198cd9904456d

Resubmissions

02/07/2026, 04:28

260702-e32x8abx7s7

02/07/2026, 02:56

260702-dfgs4ahy4p3

02/07/2026, 02:54

260702-dd46lsbt5v8

29/06/2026, 14:02

260629-rcb1bse19t10

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260513-en
resource tags

arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
02/07/2026, 04:28

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
gnp.scr
Size 581KB
Sample260702-e32x8abx7s
SHA256 ec3c8489436f64916d43500ca3d3ec4f0690048ec9c32400fc3198cd9904456d
MD5 d17ed16adad09ce33d0c4a6590026985
SHA1 1d4199ad72c28ffc7553502bffa14878f4a46cb8
SHA512 dfc4b552279d722c5df7fe95f7cd8f6d5327d4196d0f57615a76f299911ac7609e50c2ddd2fc6d69391ef45d74d8ecabc54049f5ed406350720214ce7008f36c
SSDEEP 12288:CciZ4qN4ZkKdcLtmUzG8GIJ9EprpaiWUz1KLGS:525kkKdcLt08/9urpn7S
TLSH
T194C49E19E7E405F8E1B3E574CE838912E7777C4947B1D69F03AC69A61F232908E39722
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

execution persistence

Malware Config

Signatures

Checks computer location settings 2 TTPs 2 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-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	gnp.scr
Key value queried	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\Control Panel\International\Geo\Nation	masonclient.exe

Executes dropped EXE 4 IoCs

pid	Process
3036	masonclient.exe
4840	masonclient.exe
2116	masonclient.exe
2608	masonclient.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-204488895-2999877624-296153668-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\masonclient = "C:\\Users\\Admin\\AppData\\Roaming\\masonclient.exe"	masonclient.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2480	schtasks.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	3036	masonclient.exe
Token: SeDebugPrivilege	4840	masonclient.exe
Token: SeDebugPrivilege	2116	masonclient.exe
Token: SeDebugPrivilege	2608	masonclient.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3564 wrote to memory of 3036	3564	gnp.scr	92
PID 3036 wrote to memory of 2480	3036	masonclient.exe	94

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\gnp.scr
"C:\Users\Admin\AppData\Local\Temp\gnp.scr" /S
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3564
- C:\Users\Admin\AppData\Local\Temp\RarSFX0\masonclient.exe
  "C:\Users\Admin\AppData\Local\Temp\RarSFX0\masonclient.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3036
- - C:\Windows\System32\schtasks.exe
    "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "masonclient" /tr "C:\Users\Admin\AppData\Roaming\masonclient.exe"
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2480

C:\Users\Admin\AppData\Roaming\masonclient.exe
C:\Users\Admin\AppData\Roaming\masonclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4840

C:\Users\Admin\AppData\Roaming\masonclient.exe
C:\Users\Admin\AppData\Roaming\masonclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2116

C:\Users\Admin\AppData\Roaming\masonclient.exe
C:\Users\Admin\AppData\Roaming\masonclient.exe
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2608

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

masonclient.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\masonclient.exe.log
Size 654B
SHA256 e1b91642d85d98124a6a31f710e137ab7fd90dec30e74a05ab7fcf3b7887dced
MD5 2ff39f6c7249774be85fd60a8f9a245e
SHA1 684ff36b31aedc1e587c8496c02722c6698c1c4e
SHA512 1d7e8b92ef4afd463d62cfa7e8b9d1799db5bf2a263d3cd7840df2e0a1323d24eb595b5f8eb615c6cb15f9e3a7b4fc99f8dd6a3d34479222e966ec708998aed1
TLSH
T1D9F0DD242221E1C489127F111C0D2A4452BF4797B760EE0C7554529FD8312275F203E7
MD5 SHA1 SHA512 TLSH

Submit Download

masonclient.exe

Path C:\Users\Admin\AppData\Local\Temp\RarSFX0\masonclient.exe
Size 48KB
SHA256 38a1c2bb780a22ea583af1ff7d4611531a977bdff66beb93d38f6690efb600c7
MD5 386e438979377a3b3c58e819df9279b0
SHA1 7389032ba99dc2fd37799cee6ce0f48a15f97ef8
SHA512 745f41413b63f12eff44a17d28e4e1b5120e234577c0ded6a6fdaa22a3c37f8466ab4a19cdf42c331eb07ab6e4d1276fc7228ab39d6cdc44dacacd58f9eec589
SSDEEP 1536:beep5DtUwj+UVUKCeUiqAt+dXOc6XOcdXOc9XOc4XOcch+iUOvUk+PmV9mpXOc5:beep5DtUwj+UVUKCeUhAt+dXOc6XOcdx
TLSH
T1E123C58DA7D55121CABF9EB119B35208C3B06AD74517C62F7CD806CB2B27B884781BE7
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3036-16-0x00000000004C0000-0x00000000004D2000-memory.dmp

Download

memory/3036-18-0x000000001BDE0000-0x000000001BDF0000-memory.dmp

Download

memory/3036-22-0x000000001BDE0000-0x000000001BDF0000-memory.dmp

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

Replay Monitor

Loading Replay Monitor...

Downloads