4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62

Analysis

max time kernel
150s
max time network
147s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260710-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
20/08/2026, 05:51

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General

Target
4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
Size 388KB
Sample260820-gklvdsbf34
SHA256 4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62
MD5 2be759de2956095d7d727747373f02ae
SHA1 0292554b779a0d0a600ef6dea338d027167ceb73
SHA512 2144416035e70ebe039cbfc812235e805fbac277cd535f24f8a75846944b0bb450994d23993ff28560eeae7bd5b5edd012d478c3e849590d92c1fb4e438951ea
SSDEEP 12288:aN4BPz8yhHGGXqIIQmjcNaNqyLBDxJpT:a6RzHhHaGm+4Llx/
TLSH
T1BE8423A7B9A410D6D149047363A3D9B0D06FF443AC566F0B748EF28D2E5A223592EE37
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence upx

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4344	1.exe
5948	1.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\1.exe"	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = " C:\\1.exe"	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\1.exe"	1.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\ = "C:\\1.exe"	1.exe

UPX packed file 6 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4748-0-0x0000000000400000-0x000000000052E000-memory.dmp	upx
behavioral2/files/0x000d00000001c43b-2.dat	upx
behavioral2/memory/4344-3-0x0000000000400000-0x000000000052E000-memory.dmp	upx
behavioral2/memory/5948-6-0x0000000000400000-0x000000000052E000-memory.dmp	upx
behavioral2/memory/4748-7-0x0000000000400000-0x000000000052E000-memory.dmp	upx
behavioral2/memory/4344-8-0x0000000000400000-0x000000000052E000-memory.dmp	upx

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	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	1.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4748	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
4748	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
4344	1.exe
4344	1.exe
4344	1.exe
4344	1.exe

Suspicious use of SetWindowsHookEx 6 IoCs

pid	Process
4748	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
4748	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
4344	1.exe
4344	1.exe
5948	1.exe
5948	1.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4748 wrote to memory of 5948	4748	4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe	92

C:\Users\Admin\AppData\Local\Temp\4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe
"C:\Users\Admin\AppData\Local\Temp\4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4748
- \??\c:\1.exe
  c:\1.exe
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:5948

C:\1.exe
C:\1.exe
1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
PID:4344

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

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

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

1.exe

Path C:\1.exe
Size 388KB
SHA256 4a361b815da0a7c54fbd25719dfba30a05b923927f1eddb57cff472269696f62
MD5 2be759de2956095d7d727747373f02ae
SHA1 0292554b779a0d0a600ef6dea338d027167ceb73
SHA512 2144416035e70ebe039cbfc812235e805fbac277cd535f24f8a75846944b0bb450994d23993ff28560eeae7bd5b5edd012d478c3e849590d92c1fb4e438951ea
SSDEEP 12288:aN4BPz8yhHGGXqIIQmjcNaNqyLBDxJpT:a6RzHhHaGm+4Llx/
TLSH
T1BE8423A7B9A410D6D149047363A3D9B0D06FF443AC566F0B748EF28D2E5A223592EE37
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/4344-3-0x0000000000400000-0x000000000052E000-memory.dmp

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memory/4344-8-0x0000000000400000-0x000000000052E000-memory.dmp

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memory/4748-0-0x0000000000400000-0x000000000052E000-memory.dmp

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memory/4748-1-0x000000000052D000-0x000000000052E000-memory.dmp

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memory/4748-7-0x0000000000400000-0x000000000052E000-memory.dmp

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memory/5948-6-0x0000000000400000-0x000000000052E000-memory.dmp

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