njrat | 0fb86bb905fdc56eef57831ecfcc866a5e55c482462657353a4edfb29c1142ed

General

Target

13715a69c1f82961fa3d3205b9368c83.exe
Size

27KB
MD5

13715a69c1f82961fa3d3205b9368c83
SHA1

3b15a0c5fb6a177e12b3de81c7fc30dfda58555a
SHA256

0fb86bb905fdc56eef57831ecfcc866a5e55c482462657353a4edfb29c1142ed
SHA512

f180167942c5f2be95cf8c5089209459ed4a43c7e4270ee8129f7e261c82a52f1d34455fcc79dd920c6c7c8b04c4b9bdc8b323e5e224de414659559b04d99cba
SSDEEP

384:5L96uj/+AU9038hfOexuaP39hRnMZAQk93vmhm7UMKmIEecKdbXTzm9bVhcam671:JE0mkspJtyZA/vMHTi9bD

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

2.tcp.eu.ngrok.io:12633

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

Signatures

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

Processes:

Payload.exe

pid process

2364 Payload.exe

pid	process
2364	Payload.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:

13715a69c1f82961fa3d3205b9368c83.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\Control Panel\International\Geo\Nation	13715a69c1f82961fa3d3205b9368c83.exe

Drops startup file 4 IoCs

Processes:

13715a69c1f82961fa3d3205b9368c83.exePayload.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	13715a69c1f82961fa3d3205b9368c83.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	Payload.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Payload.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe	Payload.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

13715a69c1f82961fa3d3205b9368c83.exePayload.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\Payload.exe"	13715a69c1f82961fa3d3205b9368c83.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-929662420-1054238289-2961194603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	Payload.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:

Payload.exe

description	pid	process
Token: SeDebugPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe
Token: 33	2364	Payload.exe
Token: SeIncBasePriorityPrivilege	2364	Payload.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

13715a69c1f82961fa3d3205b9368c83.exe

description	pid	process	target process
PID 3780 wrote to memory of 2364	3780	13715a69c1f82961fa3d3205b9368c83.exe	Payload.exe
PID 3780 wrote to memory of 2364	3780	13715a69c1f82961fa3d3205b9368c83.exe	Payload.exe
PID 3780 wrote to memory of 2364	3780	13715a69c1f82961fa3d3205b9368c83.exe	Payload.exe
PID 3780 wrote to memory of 3748	3780	13715a69c1f82961fa3d3205b9368c83.exe	attrib.exe
PID 3780 wrote to memory of 3748	3780	13715a69c1f82961fa3d3205b9368c83.exe	attrib.exe
PID 3780 wrote to memory of 3748	3780	13715a69c1f82961fa3d3205b9368c83.exe	attrib.exe

Views/modifies file attributes 1 TTPs 1 IoCs
evasion

Hidden Files and Directories
T1158

Processes:

attrib.exe

pid process

3748 attrib.exe

pid	process
3748	attrib.exe

C:\Users\Admin\AppData\Local\Temp\13715a69c1f82961fa3d3205b9368c83.exe
"C:\Users\Admin\AppData\Local\Temp\13715a69c1f82961fa3d3205b9368c83.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3780

C:\Users\Admin\AppData\Local\Temp\Payload.exe
"C:\Users\Admin\AppData\Local\Temp\Payload.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
PID:2364

C:\Windows\SysWOW64\attrib.exe
attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\Payload.exe"
2⤵
- Views/modifies file attributes
PID:3748

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Hidden Files and Directories

1

T1158

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Hidden Files and Directories

1

T1158

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\Payload.exe
Filesize
27KB

MD5
13715a69c1f82961fa3d3205b9368c83

SHA1
3b15a0c5fb6a177e12b3de81c7fc30dfda58555a

SHA256
0fb86bb905fdc56eef57831ecfcc866a5e55c482462657353a4edfb29c1142ed

SHA512
f180167942c5f2be95cf8c5089209459ed4a43c7e4270ee8129f7e261c82a52f1d34455fcc79dd920c6c7c8b04c4b9bdc8b323e5e224de414659559b04d99cba

Download Submit
C:\Users\Admin\AppData\Local\Temp\Payload.exe
Filesize
27KB

MD5
13715a69c1f82961fa3d3205b9368c83

SHA1
3b15a0c5fb6a177e12b3de81c7fc30dfda58555a

SHA256
0fb86bb905fdc56eef57831ecfcc866a5e55c482462657353a4edfb29c1142ed

SHA512
f180167942c5f2be95cf8c5089209459ed4a43c7e4270ee8129f7e261c82a52f1d34455fcc79dd920c6c7c8b04c4b9bdc8b323e5e224de414659559b04d99cba

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk
Filesize
1KB

MD5
ccb4adf1a003df614fb1f8039d1be10a

SHA1
36d91fb76a2ef18acaf219327ff316a8a95d83b6

SHA256
84ad0844d225991376347b926b55bcde878f85b6f521fc3dc17e5e657663b9bf

SHA512
6fafee22e24d591ad56f5d41bbaeeae065aa81fac92e82372bba1288970926d155374e99e60aeaee7ba86e5ace112ad66e7f1169b4a940e50e0a849faec87184

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk
Filesize
1KB

MD5
e4c1ab0952ee24e83a8338bd593e7b0a

SHA1
108f2750a77739f5318574aa65287fb9a36fcbb6

SHA256
6315a99f3c3f09f568c15aed16b9348da10a8b8b1f3e43322232350fb64f4f59

SHA512
b189f4cb4438e1017d2ca21dd432acf987f57ce48f141f47a1acde2bf813f35742b8180cc4c48d363d609b91697c4f7c0293c088101f79f82bb66e96422dd7e6

Download Submit
memory/2364-133-0x0000000000000000-mapping.dmp

Download
memory/2364-140-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/2364-141-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3748-136-0x0000000000000000-mapping.dmp

Download
memory/3780-132-0x0000000075310000-0x00000000758C1000-memory.dmp

Filesize
5.7MB

Download
memory/3780-138-0x0000000075310000-0x00000000758C1000-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