njrat | 11a67a4a5933c4a9ada4481541c48bb6d209f4a717a3585d6dfca539473e9cd9

Analysis

max time kernel
147s
max time network
139s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-09-2024 09:16

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General

Target

d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
Size

216KB
MD5

d60597ac83665d38ff02101b76c11624
SHA1

dff92f02ab5bfd33b28132dcbb175d66996a8853
SHA256

11a67a4a5933c4a9ada4481541c48bb6d209f4a717a3585d6dfca539473e9cd9
SHA512

f780af658f63d1a9dc640afa1ac19aaca38c107f54beaabc91834db99d2e2cecbfb04f7d17dda85c5cbb85b36dda7638777f6fca50a7021a6dc9ba92b04211fa
SSDEEP

3072:PduRDpRJcoOWW/8D1lNgg21Vv2xN+g21c3Mjq9S:9i/Ngg215+N+g21xOS

Score

10^/10

njrat samer evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

Samer

31.9.48.183:5552

Mutex

c53540ff66b09720dee7c75eaabd8f52

Attributes

reg_key
c53540ff66b09720dee7c75eaabd8f52
splitter
|'|'|

Signatures

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
1796	netsh.exe

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

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1564	schtasks.exe

Suspicious behavior: EnumeratesProcesses 48 IoCs

pid	Process
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 1564	2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe	30
PID 2596 wrote to memory of 1564	2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe	30
PID 2596 wrote to memory of 1564	2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe	30
PID 2596 wrote to memory of 1796	2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe	32
PID 2596 wrote to memory of 1796	2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe	32
PID 2596 wrote to memory of 1796	2596	d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe	32

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe"
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2596
- C:\Windows\system32\schtasks.exe
  schtasks.exe /create /TN "Updataas\AAMyname task" /XML "C:\Users\Admin\AppData\Local\Temp\x"
  2⤵
  - Scheduled Task/Job: Scheduled Task
  PID:1564
- C:\Windows\system32\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe" "d60597ac83665d38ff02101b76c11624_JaffaCakes118.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  PID:1796

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\x

Filesize
1KB

MD5
15ae9d01c12d4a2372a9b1eca2cfac90

SHA1
d942f7f9e054b4b1039ed917d1137e5ec528bcbc

SHA256
1a74f8db73ed712ade0f70c8764ae6946d7e50787b4c5c32370b406d7a13f26a

SHA512
3290b5a5d74ab6687c67964ac8f84935a7e357f5f314bc0d2b7ea5b751d733038f30e6ceda58d0772bde4f9d2491deb084429887ad944cbc0a52ce0a6f221a07

Download Submit
memory/2596-0-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2596-8-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2596-9-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2596-10-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download
memory/2596-12-0x00000000005F0000-0x00000000005FE000-memory.dmp

Filesize
56KB

Download
memory/2596-14-0x000007FEF56EE000-0x000007FEF56EF000-memory.dmp

Filesize
4KB

Download
memory/2596-15-0x000007FEF5430000-0x000007FEF5DCD000-memory.dmp

Filesize
9.6MB

Download