njrat | fd834aa1b60c3f0ad7969d9cc626b5afc5ab93f45b1bb197551beaf2b56a90b5

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
25/11/2022, 20:58

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General

Target

Server.exe
Size

29KB
MD5

f7d0b25c3115647720776246e58f066a
SHA1

7126e6a1e589245a84733375c25c598ad79c6d17
SHA256

9f45c1e83903345f6e2327b3efa04767549b5732a80d9a67374182c65f110660
SHA512

10c5188f4e583cea6e3c098de19db1a3a2fe7b3be14e5fc61e1c5d447f1b16333c174862b47a6cca41a5e7c2cb7067cc172b9e56bf6954c100f721210dcb8654
SSDEEP

768:aQv/27NYsDkfZPoIqlHepBKh0p29SgRru:Pm7N143wEKhG29jru

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

hacked

niras.no-ip.org:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

Signatures

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

Executes dropped EXE 1 IoCs

pid	Process
1376	Trojan.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
1636	netsh.exe

Loads dropped DLL 1 IoCs

pid	Process
1720	Server.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe
1376	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1376	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1720 wrote to memory of 1376	1720	Server.exe	27
PID 1720 wrote to memory of 1376	1720	Server.exe	27
PID 1720 wrote to memory of 1376	1720	Server.exe	27
PID 1720 wrote to memory of 1376	1720	Server.exe	27
PID 1376 wrote to memory of 1636	1376	Trojan.exe	28
PID 1376 wrote to memory of 1636	1376	Trojan.exe	28
PID 1376 wrote to memory of 1636	1376	Trojan.exe	28
PID 1376 wrote to memory of 1636	1376	Trojan.exe	28

C:\Users\Admin\AppData\Local\Temp\Server.exe
"C:\Users\Admin\AppData\Local\Temp\Server.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1376
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:1636

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

T1031

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
f7d0b25c3115647720776246e58f066a

SHA1
7126e6a1e589245a84733375c25c598ad79c6d17

SHA256
9f45c1e83903345f6e2327b3efa04767549b5732a80d9a67374182c65f110660

SHA512
10c5188f4e583cea6e3c098de19db1a3a2fe7b3be14e5fc61e1c5d447f1b16333c174862b47a6cca41a5e7c2cb7067cc172b9e56bf6954c100f721210dcb8654

Download Submit
C:\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
f7d0b25c3115647720776246e58f066a

SHA1
7126e6a1e589245a84733375c25c598ad79c6d17

SHA256
9f45c1e83903345f6e2327b3efa04767549b5732a80d9a67374182c65f110660

SHA512
10c5188f4e583cea6e3c098de19db1a3a2fe7b3be14e5fc61e1c5d447f1b16333c174862b47a6cca41a5e7c2cb7067cc172b9e56bf6954c100f721210dcb8654

Download Submit
\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
29KB

MD5
f7d0b25c3115647720776246e58f066a

SHA1
7126e6a1e589245a84733375c25c598ad79c6d17

SHA256
9f45c1e83903345f6e2327b3efa04767549b5732a80d9a67374182c65f110660

SHA512
10c5188f4e583cea6e3c098de19db1a3a2fe7b3be14e5fc61e1c5d447f1b16333c174862b47a6cca41a5e7c2cb7067cc172b9e56bf6954c100f721210dcb8654

Download Submit
memory/1376-63-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1376-64-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1720-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/1720-61-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download