d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a

Analysis

max time kernel
150s
max time network
154s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260911-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/10/2026, 18:31

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General

Target
d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a.exe
Size 5.4MB
Sample261027-w6f9cswtcs
SHA256 d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a
MD5 ff436ec77b82022a1ef0943c80375f9a
SHA1 a372a0c49357a15217d3895edcf5c7409cbd4f69
SHA512 5a1e7584260295c52436f35088db06d18a0c4f7e40eeb9c4686ce0633a8a8706375a2ae8da3621cc051ca798a4037dae5bc466d995391e8e4c76b8649d4ed468
SSDEEP 24576:aHt0qOWKV8RTas2q3JarQe4vCWEB8ZQUdjgiqK6aNGh8ItEvkD+vN6x0nmHPPPPv:3qlTDP3QrQeWi8m0giqKlEjR+vNumc
TLSH
T17B460970E4944CDCFC4AC57EC5F93819496CF22B67CA2892711ECF26B301AC5AB8A5D7
MD5 SHA1 SHA512 SSDEEP TLSH

Score

7^/10

discovery persistence

Malware Config

Signatures

Executes dropped EXE 2 IoCs

pid	Process
4460	pdfreader.exe
2616	pdfreader.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\PDF Reader = "\"C:\\Users\\Admin\\AppData\\Local\\Reader Software Labs\\pdfreader.exe\" /persist"	pdfreader.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4280978039-528710165-233981602-1000\Software\Microsoft\Windows\CurrentVersion\Run\PDF Reader = "\"C:\\Users\\Admin\\AppData\\Local\\Reader Software Labs\\pdfreader.exe\" /persist"	pdfreader.exe

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	pdfreader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	pdfreader.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 3332 wrote to memory of 4460	3332	d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a.exe	89

C:\Users\Admin\AppData\Local\Temp\d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a.exe
"C:\Users\Admin\AppData\Local\Temp\d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3332
- C:\Users\Admin\AppData\Local\Reader Software Labs\pdfreader.exe
  "C:\Users\Admin\AppData\Local\Reader Software Labs\pdfreader.exe" /persist
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  PID:4460

C:\Users\Admin\AppData\Local\Reader Software Labs\pdfreader.exe
"C:\Users\Admin\AppData\Local\Reader Software Labs\pdfreader.exe" /persist
1⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
PID:2616

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

pdfreader.exe

Path C:\Users\Admin\AppData\Local\Reader Software Labs\pdfreader.exe
Size 5.4MB
SHA256 d429dc7d7a010eb4b45999c9717c31b63ee01cb35f89befed7ab02555cb4543a
MD5 ff436ec77b82022a1ef0943c80375f9a
SHA1 a372a0c49357a15217d3895edcf5c7409cbd4f69
SHA512 5a1e7584260295c52436f35088db06d18a0c4f7e40eeb9c4686ce0633a8a8706375a2ae8da3621cc051ca798a4037dae5bc466d995391e8e4c76b8649d4ed468
SSDEEP 24576:aHt0qOWKV8RTas2q3JarQe4vCWEB8ZQUdjgiqK6aNGh8ItEvkD+vN6x0nmHPPPPv:3qlTDP3QrQeWi8m0giqKlEjR+vNumc
TLSH
T17B460970E4944CDCFC4AC57EC5F93819496CF22B67CA2892711ECF26B301AC5AB8A5D7
MD5 SHA1 SHA512 SSDEEP TLSH

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Analysis

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General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads