fdf9bbd8fc22033071d1f3a564a142cfc32d26e99953e87a6cc8ba05de7698a0

Analysis

max time kernel
149s
max time network
145s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
26/09/2026, 22:36

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General

Target
njCryper.exe
Size 64KB
Sample260926-2h7pasvycw
SHA256 fdf9bbd8fc22033071d1f3a564a142cfc32d26e99953e87a6cc8ba05de7698a0
MD5 d464ee3ced6281f214d96bf2c1e33f71
SHA1 39102eae45e2cac711c90a904639d43aae53bbc8
SHA512 55a01e2ca4b17ed7ba1e22d75ce81382e8b06427af3d93eea7e36f9cac6965db8fd28691605f904c0986ed1afa7cf2fbd0a35124cd5ba2fc9fbe38b353438c36
SSDEEP 768:ynADWXU4eDGM7NKiNfIdXIm1OlIHi6hz66NrtcbEpLeTYjjCKJf2xerIp2BG:0ATcMgitI+m1i96U6CaeTYRJf4ee2G
TLSH
T12853F14037CD2323F0F8343A58FBD34A66A7E8C99435EAEE65A4C4424C932DC249D9F8
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 2 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	njCryper.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dw20.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	dw20.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	dw20.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	dw20.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeRestorePrivilege	4564	dw20.exe
Token: SeBackupPrivilege	4564	dw20.exe
Token: SeBackupPrivilege	4564	dw20.exe
Token: SeBackupPrivilege	4564	dw20.exe

Suspicious use of WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4100 wrote to memory of 4564	4100	njCryper.exe	83

C:\Users\Admin\AppData\Local\Temp\njCryper.exe
"C:\Users\Admin\AppData\Local\Temp\njCryper.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4100
- C:\Windows\Microsoft.NET\Framework\v2.0.50727\dw20.exe
  dw20.exe -x -s 888
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:4564

Network

MITRE ATT&CK Enterprise v16

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

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Downloads

memory/4100-0-0x0000000000CD0000-0x0000000000CE0000-memory.dmp

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memory/4100-1-0x0000000074692000-0x0000000074694000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads