njrat | 239f8ee37ff56230ece8b50161673626c860f58ae099b1fc60f6c73ebc8d5e4a

Analysis

max time kernel
92s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-01-2025 12:26

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General

Target

JaffaCakes118_6c9ea48a1adacdda5e81cb681def0ff0.exe
Size

254KB
MD5

6c9ea48a1adacdda5e81cb681def0ff0
SHA1

3b39e2605030d367607eb05b8a9f659c4ec800f1
SHA256

239f8ee37ff56230ece8b50161673626c860f58ae099b1fc60f6c73ebc8d5e4a
SHA512

92e385b17fee687ee801e45ac62c64080b3c47caf7fff1792aa0cfb8749012918a47d8d804c63c8547f46d0f72d01e744da390ff871ffb3016eb8b84ded89109
SSDEEP

6144:vSdmouW951HZDeXGGOhz8gEhnzeENxunCPL:vnE95VZDgOhuhz1NxBP

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 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 2 IoCs

description	pid	Process
Token: SeBackupPrivilege	3888	dw20.exe
Token: SeBackupPrivilege	3888	dw20.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 3888	2748	JaffaCakes118_6c9ea48a1adacdda5e81cb681def0ff0.exe	83
PID 2748 wrote to memory of 3888	2748	JaffaCakes118_6c9ea48a1adacdda5e81cb681def0ff0.exe	83

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c9ea48a1adacdda5e81cb681def0ff0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6c9ea48a1adacdda5e81cb681def0ff0.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\Microsoft.NET\Framework64\v2.0.50727\dw20.exe
  dw20.exe -x -s 820
  2⤵
  - Checks processor information in registry
  - Enumerates system info in registry
  - Suspicious use of AdjustPrivilegeToken
  PID:3888

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

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Downloads

memory/2748-0-0x00007FFCCBBC5000-0x00007FFCCBBC6000-memory.dmp

Filesize
4KB

Download
memory/2748-1-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

Filesize
9.6MB

Download
memory/2748-2-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

Filesize
9.6MB

Download
memory/2748-3-0x000000001B640000-0x000000001B680000-memory.dmp

Filesize
256KB

Download
memory/2748-10-0x00007FFCCB910000-0x00007FFCCC2B1000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads