njrat | 17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31

Analysis

max time kernel
94s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 19:57

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General

Target

17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31.exe
Size

267KB
MD5

7e5f07b1d1f3d82b1d921e25c6e1aaa3
SHA1

3bdf0a91c0a3a3195f44f9f3074c0929048e20c3
SHA256

17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31
SHA512

600931eca764f09d96bb6058a253994ccc735d959382318f73d04e3d9fd433d8149dc82c1d638b27664597300d44171db375256c0e8c856c667f24cecf7ade72
SSDEEP

3072:onWg5lyjCxh0LBS17YpGolcqgNey6mPE6L/nA9svWlH2aiQXMi8sOjXo:63+oOwXqqeyBLL/nA9VH2s80qo

Score

10^/10

njrat trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

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

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2228	17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31.exe
Token: SeBackupPrivilege	5004	dw20.exe
Token: SeBackupPrivilege	5004	dw20.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2228 wrote to memory of 5004	2228	17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31.exe	82
PID 2228 wrote to memory of 5004	2228	17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31.exe	82

C:\Users\Admin\AppData\Local\Temp\17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31.exe
"C:\Users\Admin\AppData\Local\Temp\17cf67cf97f4235144a928eaa04bc13c60b3f17caae649d728035cf843deaa31.exe"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2228
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
  dw20.exe -x -s 1128
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:5004

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2228-0-0x00007FFC7EF05000-0x00007FFC7EF06000-memory.dmp

Filesize
4KB

Download
memory/2228-2-0x000000001B880000-0x000000001BD4E000-memory.dmp

Filesize
4.8MB

Download
memory/2228-1-0x00007FFC7EC50000-0x00007FFC7F5F1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-3-0x000000001B2D0000-0x000000001B36C000-memory.dmp

Filesize
624KB

Download
memory/2228-4-0x000000001C250000-0x000000001C2F6000-memory.dmp

Filesize
664KB

Download
memory/2228-5-0x000000001B380000-0x000000001B390000-memory.dmp

Filesize
64KB

Download
memory/2228-6-0x00007FFC7EC50000-0x00007FFC7F5F1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-7-0x0000000000EB0000-0x0000000000EB8000-memory.dmp

Filesize
32KB

Download
memory/2228-8-0x00007FFC7EC50000-0x00007FFC7F5F1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-9-0x00007FFC7EC50000-0x00007FFC7F5F1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-10-0x00007FFC7EC50000-0x00007FFC7F5F1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-11-0x00007FFC7EF05000-0x00007FFC7EF06000-memory.dmp

Filesize
4KB

Download
memory/2228-12-0x00007FFC7EC50000-0x00007FFC7F5F1000-memory.dmp

Filesize
9.6MB

Download
memory/2228-19-0x00007FFC7EC50000-0x00007FFC7F5F1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads