052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf

Analysis

max time kernel
148s
max time network
143s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
04/08/2026, 12:51

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General

Target
052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
Size 1.9MB
Sample260804-p3pyrser9x
SHA256 052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf
MD5 3c2c06f8e2b7b207a4433d46cdbf9ad9
SHA1 6314cc634837ed537a37db9b34c02d48f320540e
SHA512 da584f5debe8c85e1b9fa585eb9dd3089e7489e39e77a8d33bee55c9824330c8f88071a92c4f3c7cff5f00a38e47f140789e9091b446b88f82fe36ff140f5023
SSDEEP 49152:VCkbPwzxgxC1m3eWIRjBHa2TNCudMrzU6bJ:YsPwexUYlIRj1aUNCq6bJ
TLSH
T136953386A1B1EA7DD12B44BAF5212E716C012D0848EC1347369FFD17B67AB5B27C05E3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

discovery persistence upx

Malware Config

Signatures

Drops file in Drivers directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\drivers\tBlHLZbJb.sys	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
File created	C:\Windows\System32\drivers\ZOyh0PDGs6FCh9Y.sys	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe

Sets service image path in registry 3 TTPs 2 IoCs

This determines the executable launched when a service starts. It can be used to establish persistence.

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Windows Service

T1543.003

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\tBlHLZbJb\ImagePath = "system32\\DRIVERS\\tBlHLZbJb.sys"	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\ZOyh0PDGs6FCh9Y\ImagePath = "system32\\DRIVERS\\ZOyh0PDGs6FCh9Y.sys"	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe

Executes dropped EXE 2 IoCs

pid	Process
4672	39C3.tmp
4932	3A41.tmp

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3428-0-0x0000000000FC0000-0x0000000001512000-memory.dmp	upx
behavioral2/memory/3428-14-0x0000000000FC0000-0x0000000001512000-memory.dmp	upx

System Location Discovery: System Language Discovery 1 TTPs 1 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	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe

Suspicious behavior: LoadsDriver 2 IoCs

pid	Process
3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
Token: SeShutdownPrivilege	3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
Token: SeDebugPrivilege	3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
Token: SeDebugPrivilege	4672	39C3.tmp
Token: SeDebugPrivilege	3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
Token: SeLoadDriverPrivilege	3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
Token: SeDebugPrivilege	4932	3A41.tmp

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3428 wrote to memory of 4672	3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe	89
PID 3428 wrote to memory of 4932	3428	052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe	90

C:\Users\Admin\AppData\Local\Temp\052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe
"C:\Users\Admin\AppData\Local\Temp\052a86f59dffb2e065efbc242576bd78ef1d1522eb0e6096739aadc40bd64bdf.exe"
1⤵
- Drops file in Drivers directory
- Sets service image path in registry
- System Location Discovery: System Language Discovery
- Suspicious behavior: LoadsDriver
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3428
- C:\Users\Admin\AppData\Local\Temp\39C3.tmp
  "C:\Users\Admin\AppData\Local\Temp\39C3.tmp" 668
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4672
- C:\Users\Admin\AppData\Local\Temp\3A41.tmp
  "C:\Users\Admin\AppData\Local\Temp\3A41.tmp" 688
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  PID:4932

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

39C3.tmp

Path C:\Users\Admin\AppData\Local\Temp\39C3.tmp
Size 463KB
SHA256 7d03ec451fa673100e75b89f52d787f8062aca9d51f7686a7f2080ee9d2dfede
MD5 c8f8d20df648d45a8a7a3359e6f3be9e
SHA1 c13b66fbb016746947315b88b1bf90e436b2486b
SHA512 734d74152507e5e042b2bb9c35a0f3b7a664fc80805c7016d705d38d0ff053e4043b7d8851a300fac2562117b385d40a9ddc55829b343991115688f9f75a7a0f
SSDEEP 12288:Deq98eSx5cA1zXpDm649VCClXyctmS5V2NDtuFxkF:L9Fka8Xpe9VCClXyctmS5V2N5uFxkF
TLSH
T101A48CD5779009F9D177D23CC9920A16E6B27826076093CF03B496BA1F237E29E3EB15
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/3428-0-0x0000000000FC0000-0x0000000001512000-memory.dmp

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memory/3428-1-0x0000000001510000-0x0000000001511000-memory.dmp

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memory/3428-14-0x0000000000FC0000-0x0000000001512000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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