njrat | 27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630

General

Target

27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe
Size

23KB
MD5

5d1f987ad69659638904af6fc6ae7ac5
SHA1

d789bc2c58728c3768e32564eea64441c9766f4d
SHA256

27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630
SHA512

fcaabb9db9cda1769bd7824f0cd0394d7051307f35e52c69419f1eaf07524f762227f917a6fc93e6eca373cb1fd23c529ac138e272f4d5471a38ef34222bc937
SSDEEP

384:pQ+ILgIbOprgPsUOSU0kB1kd6dg7GYh/J0mRvR6JZlbw8hqIusZzZEE:cLL6MVU0pRpcnuW

Score

10^/10

njrat hacked evasion persistence trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

scoh.no-ip.biz:5552

Mutex

89b99279c136a3163fc1763be39be2c8

Attributes

reg_key
89b99279c136a3163fc1763be39be2c8
splitter
|'|'|

Signatures

njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Executes dropped EXE 1 IoCs

Processes:

SYSTEM.exe

pid process

4092 SYSTEM.exe
Modifies Windows Firewall 1 TTPs 1 IoCs
evasion

Modify Existing Service
T1031

Processes:

netsh.exe

pid process

2204 netsh.exe

pid	process
4092	SYSTEM.exe

pid	process
2204	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

Processes:

27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe

Drops startup file 2 IoCs

Processes:

SYSTEM.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\89b99279c136a3163fc1763be39be2c8.exe	SYSTEM.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\89b99279c136a3163fc1763be39be2c8.exe	SYSTEM.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

SYSTEM.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\89b99279c136a3163fc1763be39be2c8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\SYSTEM.exe\" .."	SYSTEM.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\89b99279c136a3163fc1763be39be2c8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\SYSTEM.exe\" .."	SYSTEM.exe

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

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 33 IoCs

Processes:

SYSTEM.exe

description	pid	process
Token: SeDebugPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe
Token: 33	4092	SYSTEM.exe
Token: SeIncBasePriorityPrivilege	4092	SYSTEM.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exeSYSTEM.exe

description	pid	process	target process
PID 3524 wrote to memory of 4092	3524	27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe	SYSTEM.exe
PID 3524 wrote to memory of 4092	3524	27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe	SYSTEM.exe
PID 3524 wrote to memory of 4092	3524	27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe	SYSTEM.exe
PID 4092 wrote to memory of 2204	4092	SYSTEM.exe	netsh.exe
PID 4092 wrote to memory of 2204	4092	SYSTEM.exe	netsh.exe
PID 4092 wrote to memory of 2204	4092	SYSTEM.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe
"C:\Users\Admin\AppData\Local\Temp\27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3524

C:\Users\Admin\AppData\Local\Temp\SYSTEM.exe
"C:\Users\Admin\AppData\Local\Temp\SYSTEM.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4092

C:\Windows\SysWOW64\netsh.exe
netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\SYSTEM.exe" "SYSTEM.exe" ENABLE
3⤵
- Modifies Windows Firewall
PID:2204

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\SYSTEM.exe
Filesize
23KB

MD5
5d1f987ad69659638904af6fc6ae7ac5

SHA1
d789bc2c58728c3768e32564eea64441c9766f4d

SHA256
27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630

SHA512
fcaabb9db9cda1769bd7824f0cd0394d7051307f35e52c69419f1eaf07524f762227f917a6fc93e6eca373cb1fd23c529ac138e272f4d5471a38ef34222bc937

Download Submit
C:\Users\Admin\AppData\Local\Temp\SYSTEM.exe
Filesize
23KB

MD5
5d1f987ad69659638904af6fc6ae7ac5

SHA1
d789bc2c58728c3768e32564eea64441c9766f4d

SHA256
27726719fef9353269c479b5bdb01668751bfb9efffd9f8b13b28d197fa81630

SHA512
fcaabb9db9cda1769bd7824f0cd0394d7051307f35e52c69419f1eaf07524f762227f917a6fc93e6eca373cb1fd23c529ac138e272f4d5471a38ef34222bc937

Download Submit
memory/2204-138-0x0000000000000000-mapping.dmp

Download
memory/3524-132-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/3524-136-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4092-133-0x0000000000000000-mapping.dmp

Download
memory/4092-137-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download
memory/4092-139-0x0000000075300000-0x00000000758B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads