njrat | 6557f1b7fb95cfabcf9cf0d10f295b59c8c67ec0e496cda492b77d9dc759d2e7

Analysis

max time kernel
149s
max time network
149s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
03-01-2025 20:44

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General

Target

JaffaCakes118_6f7de8ce84514a557997fba5b00c7a40.exe
Size

29KB
MD5

6f7de8ce84514a557997fba5b00c7a40
SHA1

2d0d5d16f6bcba7ba363c951f07571288df49ade
SHA256

6557f1b7fb95cfabcf9cf0d10f295b59c8c67ec0e496cda492b77d9dc759d2e7
SHA512

afbef9c7394169032c92830c547ddb48ebd4a97c445018524e1ee5c3567b2f28adfa98b83d426d28c6be2250e8eaafdeb09a68fa9e1a2d6de90b60a6ed70d326
SSDEEP

384:xF58D+6n1NjZPT3+psEUntuXSiwkV0zZuqUFhey4QeXYGeW6:xajNYOESi5VTZGZp6

Score

10^/10

njrat evasion persistence privilege_escalation trojan

Malware Config

Signatures

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

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
316	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DirectxUpdaterService.exe	directx.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\DirectxUpdaterService.exe	directx.exe

Executes dropped EXE 1 IoCs

pid	Process
2128	directx.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-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\DirectxUpdaterService = "\"C:\\Users\\Admin\\AppData\\Roaming\\directx.exe\" .."	directx.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DirectxUpdaterService = "\"C:\\Users\\Admin\\AppData\\Roaming\\directx.exe\" .."	directx.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 37 IoCs

description	pid	Process
Token: SeDebugPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe
Token: 33	2128	directx.exe
Token: SeIncBasePriorityPrivilege	2128	directx.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 352 wrote to memory of 2128	352	JaffaCakes118_6f7de8ce84514a557997fba5b00c7a40.exe	30
PID 352 wrote to memory of 2128	352	JaffaCakes118_6f7de8ce84514a557997fba5b00c7a40.exe	30
PID 352 wrote to memory of 2128	352	JaffaCakes118_6f7de8ce84514a557997fba5b00c7a40.exe	30
PID 2128 wrote to memory of 316	2128	directx.exe	31
PID 2128 wrote to memory of 316	2128	directx.exe	31
PID 2128 wrote to memory of 316	2128	directx.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f7de8ce84514a557997fba5b00c7a40.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_6f7de8ce84514a557997fba5b00c7a40.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:352
- C:\Users\Admin\AppData\Roaming\directx.exe
  "C:\Users\Admin\AppData\Roaming\directx.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2128
- - C:\Windows\system32\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\directx.exe" "directx.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\directx.exe

Filesize
29KB

MD5
6f7de8ce84514a557997fba5b00c7a40

SHA1
2d0d5d16f6bcba7ba363c951f07571288df49ade

SHA256
6557f1b7fb95cfabcf9cf0d10f295b59c8c67ec0e496cda492b77d9dc759d2e7

SHA512
afbef9c7394169032c92830c547ddb48ebd4a97c445018524e1ee5c3567b2f28adfa98b83d426d28c6be2250e8eaafdeb09a68fa9e1a2d6de90b60a6ed70d326

Download Submit
memory/352-0-0x000007FEF5DBE000-0x000007FEF5DBF000-memory.dmp

Filesize
4KB

Download
memory/352-1-0x000007FEF5B00000-0x000007FEF649D000-memory.dmp

Filesize
9.6MB

Download
memory/352-7-0x000007FEF5B00000-0x000007FEF649D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-9-0x000007FEF5B00000-0x000007FEF649D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-8-0x000007FEF5B00000-0x000007FEF649D000-memory.dmp

Filesize
9.6MB

Download
memory/2128-11-0x000007FEF5B00000-0x000007FEF649D000-memory.dmp

Filesize
9.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads