njrat | c7a2ec6110cfa5ae4b53b2b854013459bcdba8fff179bf95e5b707a2e4b98427

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02-12-2024 15:24

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General

Target

Server.exe
Size

37KB
MD5

952ea2d47e241b1a82eeb265457c5644
SHA1

16048d925d1722c3a97bbbd0ab0dc05f169c1af7
SHA256

c7a2ec6110cfa5ae4b53b2b854013459bcdba8fff179bf95e5b707a2e4b98427
SHA512

9001eaa366acab6c0574912215d18d73ee944482a469243a0e40dc340a6523b4ce58ea0ed18f232eac8813477f5918c649353da0abd32c57fc3735721be407ad
SSDEEP

384:Io66MizdTjnBhFbJ8ycP3h3hNwKaB0rAF+rMRTyN/0L+EcoinblneHQM3epzXaNg:36QTlLJfcP3hH9amrM+rMRa8NuQWt

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

cnet-contracting.gl.at.ply.gg:10206

Mutex

3eec6dad022c4e8fee29e905fa2de108

Attributes

reg_key
3eec6dad022c4e8fee29e905fa2de108
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2776	AcroRd32.exe
2776	AcroRd32.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 2472 wrote to memory of 3040	2472	Server.exe	30
PID 2472 wrote to memory of 3040	2472	Server.exe	30
PID 2472 wrote to memory of 3040	2472	Server.exe	30
PID 2472 wrote to memory of 3040	2472	Server.exe	30
PID 2472 wrote to memory of 3040	2472	Server.exe	30
PID 2472 wrote to memory of 3040	2472	Server.exe	30
PID 2472 wrote to memory of 3040	2472	Server.exe	30
PID 3040 wrote to memory of 2776	3040	rundll32.exe	31
PID 3040 wrote to memory of 2776	3040	rundll32.exe	31
PID 3040 wrote to memory of 2776	3040	rundll32.exe	31
PID 3040 wrote to memory of 2776	3040	rundll32.exe	31

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2472
- C:\Windows\SysWOW64\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Celex
  2⤵
  - System Location Discovery: System Language Discovery
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3040
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\Celex"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:2776

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
37KB

MD5
952ea2d47e241b1a82eeb265457c5644

SHA1
16048d925d1722c3a97bbbd0ab0dc05f169c1af7

SHA256
c7a2ec6110cfa5ae4b53b2b854013459bcdba8fff179bf95e5b707a2e4b98427

SHA512
9001eaa366acab6c0574912215d18d73ee944482a469243a0e40dc340a6523b4ce58ea0ed18f232eac8813477f5918c649353da0abd32c57fc3735721be407ad

Download Submit
C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
fc60904885c2d009818b97ea33181dd2

SHA1
f40489cafaed00ce59b6c03bb17e660120bf645c

SHA256
d44d551affb71fac9df320e4c26ce80b5906cd3717539a26c37709f9b0c2a0a4

SHA512
97c1bbb6251e547e2da406833d59a15016293fea81477ad1956bc3206b985aa072e1587e8dbb4876f3c05cb1a429653517f3c51800c1544a95f9522d82a1bc07

Download Submit
memory/2472-0-0x0000000074461000-0x0000000074462000-memory.dmp

Filesize
4KB

Download
memory/2472-1-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2472-2-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download
memory/2472-5-0x0000000074460000-0x0000000074A0B000-memory.dmp

Filesize
5.7MB

Download