njrat | 7f226046f651a941e783eab579770731506873b8faf08cb25edda08d05597db5

Analysis

max time kernel
149s
max time network
147s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260911-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260911-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
16/10/2026, 23:40

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General

Target
Payload.exe
Size 55KB
Sample261016-3nyt1set2j
SHA256 7f226046f651a941e783eab579770731506873b8faf08cb25edda08d05597db5
MD5 cc09b8ee98894c8f5e052cb706994911
SHA1 c3ef4c97c2f60bb2526cef2a6697c7deffcb0daf
SHA512 187ebd926086e738bec760a32edfb59a27953d11e37f1088d03564ad097fd67623a0faeaba46e2a7b7cf68733e4a9319e759809fc6240d6ab6e905be8c799cdb
SSDEEP 1536:OcPIDnrNZ9LyDBIDKwsNMD9XExI3pm0m:DIDnhelIDKwsNMD9XExI3pm
TLSH
T15C431844BFEA4A05E2BD8F3468F645150A34AA63F532EB1F48D668DB17327C58C40FE6
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

victim defense_evasion discovery execution njrat trojan

Malware Config

Extracted

Family

njrat

Version

<- NjRAT 0.7d Horror Edition ->

Botnet

Victim

31.tcp.cpolar.top:6666

Mutex

18566befbeceeff033c4db118d9ebd86

Attributes

reg_key
18566befbeceeff033c4db118d9ebd86
splitter
Y262SUCZ4UJJ

Signatures

Family: njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Checks computer location settings 2 TTPs 1 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-1-5-21-686476835-2493921010-524562731-1000\Control Panel\International\Geo\Nation	Payload.exe

Executes a file named after a Windows system binary 1 TTPs 2 IoCs

The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

defense_evasion

Match Legitimate Name or Location

T1036.005

description	ioc	Process
File opened (read-only)	C:\Users\Admin\AppData\Local\Temp\dllhost.exe	Payload.exe
File opened (read-only)	C:\Users\Admin\AppData\Local\Temp\dllhost.exe	dllhost.exe

Executes dropped EXE 1 IoCs

pid	Process
2176	dllhost.exe

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

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
3696	cmd.exe

Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs

The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.

discovery

System Network Configuration Discovery

T1016

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname	dllhost.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain	dllhost.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	Payload.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	taskkill.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
116	taskkill.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	116	taskkill.exe
Token: SeDebugPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe
Token: 33	2176	dllhost.exe
Token: SeIncBasePriorityPrivilege	2176	dllhost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 2176	4804	Payload.exe	90
PID 2176 wrote to memory of 3696	2176	dllhost.exe	93
PID 3696 wrote to memory of 116	3696	cmd.exe	95

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
1⤵
- Checks computer location settings
- Executes a file named after a Windows system binary
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Users\Admin\AppData\Local\Temp\dllhost.exe
  "C:\Users\Admin\AppData\Local\Temp\dllhost.exe"
  2⤵
  - Executes a file named after a Windows system binary
  - Executes dropped EXE
  - Reads the TCP/IP host and domain name from the registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2176
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c taskkill /f /im Wireshark.exe
    3⤵
    - Executes a command shell one-liner
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3696
  - - C:\Windows\SysWOW64\taskkill.exe
      taskkill /f /im Wireshark.exe
      4⤵
      System Location Discovery: System Language Discovery
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:116

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Masquerading

T1036

Match Legitimate Name or Location

T1036.005

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

dllhost.exe

Path C:\Users\Admin\AppData\Local\Temp\dllhost.exe
Size 55KB
SHA256 7f226046f651a941e783eab579770731506873b8faf08cb25edda08d05597db5
MD5 cc09b8ee98894c8f5e052cb706994911
SHA1 c3ef4c97c2f60bb2526cef2a6697c7deffcb0daf
SHA512 187ebd926086e738bec760a32edfb59a27953d11e37f1088d03564ad097fd67623a0faeaba46e2a7b7cf68733e4a9319e759809fc6240d6ab6e905be8c799cdb
SSDEEP 1536:OcPIDnrNZ9LyDBIDKwsNMD9XExI3pm0m:DIDnhelIDKwsNMD9XExI3pm
TLSH
T15C431844BFEA4A05E2BD8F3468F645150A34AA63F532EB1F48D668DB17327C58C40FE6
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/2176-14-0x00000000748B0000-0x0000000074E61000-memory.dmp

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memory/2176-15-0x00000000748B0000-0x0000000074E61000-memory.dmp

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memory/4804-0-0x0000000000AD0000-0x0000000000AE0000-memory.dmp

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memory/4804-1-0x00000000748B2000-0x00000000748B4000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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