njrat | 100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569

General

Target

100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe
Size

43KB
MD5

e4e468ce135a3392cbdfd179a82179fb
SHA1

c791bc56c94c12e1e4c52f8a6b526351c2cdb400
SHA256

100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569
SHA512

7813ff51eb146be06e6df3c1d5839b11285c9b21afff2b80026a1e767623cb23330d49157a31d2152c50ae8d80c7b988987daa4d1b3d199e6fad786bfe558af2

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

127.0.0.1:5552

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

Processes:

Dllhost.exe

pid process

1936 Dllhost.exe

pid	process
1936	Dllhost.exe

Drops startup file 2 IoCs

Processes:

Dllhost.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	Dllhost.exe

Loads dropped DLL 1 IoCs

Processes:

100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe

pid process

2008 100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe

pid	process
2008	100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

Dllhost.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-790309383-526510583-3802439154-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Dllhost.exe\" .."	Dllhost.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: GetForegroundWindowSpam 1 IoCs

Processes:

Dllhost.exe

pid process

1936 Dllhost.exe

pid	process
1936	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe
Token: 33	1936	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1936	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe

description	pid	process	target process
PID 2008 wrote to memory of 1936	2008	100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe	Dllhost.exe
PID 2008 wrote to memory of 1936	2008	100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe	Dllhost.exe
PID 2008 wrote to memory of 1936	2008	100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe	Dllhost.exe
PID 2008 wrote to memory of 1936	2008	100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe	Dllhost.exe

C:\Users\Admin\AppData\Local\Temp\100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe
"C:\Users\Admin\AppData\Local\Temp\100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2008

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
"C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
2⤵
- Executes dropped EXE
- Drops startup file
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1936

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
Filesize
43KB

MD5
e4e468ce135a3392cbdfd179a82179fb

SHA1
c791bc56c94c12e1e4c52f8a6b526351c2cdb400

SHA256
100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569

SHA512
7813ff51eb146be06e6df3c1d5839b11285c9b21afff2b80026a1e767623cb23330d49157a31d2152c50ae8d80c7b988987daa4d1b3d199e6fad786bfe558af2

Download Submit
C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
Filesize
43KB

MD5
e4e468ce135a3392cbdfd179a82179fb

SHA1
c791bc56c94c12e1e4c52f8a6b526351c2cdb400

SHA256
100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569

SHA512
7813ff51eb146be06e6df3c1d5839b11285c9b21afff2b80026a1e767623cb23330d49157a31d2152c50ae8d80c7b988987daa4d1b3d199e6fad786bfe558af2

Download Submit
\Users\Admin\AppData\Local\Temp\Dllhost.exe
Filesize
43KB

MD5
e4e468ce135a3392cbdfd179a82179fb

SHA1
c791bc56c94c12e1e4c52f8a6b526351c2cdb400

SHA256
100087859969d960d0ed865af9f4707e1f0b162bce3692b8e1287c7396227569

SHA512
7813ff51eb146be06e6df3c1d5839b11285c9b21afff2b80026a1e767623cb23330d49157a31d2152c50ae8d80c7b988987daa4d1b3d199e6fad786bfe558af2

Download Submit
memory/1936-57-0x0000000000000000-mapping.dmp

Download
memory/1936-60-0x0000000000070000-0x0000000000082000-memory.dmp

Filesize
72KB

Download
memory/2008-54-0x0000000000E00000-0x0000000000E12000-memory.dmp

Filesize
72KB

Download
memory/2008-55-0x0000000076191000-0x0000000076193000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads