njrat | 089c68cc6ef6d1af0201f210b0e88935e6756540aba5521969022b581e1a52e6

General

Target

m4c050.exe
Size

43KB
MD5

104fe8e80032d42e1ba1118fd2049e8e
SHA1

d6e6695f27fdbce964983f611fc2f09534ea5a9d
SHA256

089c68cc6ef6d1af0201f210b0e88935e6756540aba5521969022b581e1a52e6
SHA512

d04f996e9399c0ab6b4a4f231e9307c37ea00f75e8c59a6072bfba159733f79cc90bb540c55508afffce0b00c6253f21846cfb6b3a759b89a6852c10fff7fe0a
SSDEEP

384:NZyUiFIB+oyitVv0O0EHafIuZzQIij+ZsNO3PlpJKkkjh/TzF7pWnp/greT0pqf7:nO+IliLvDW3uXQ/o0/+L

Score

10^/10

njrat hacked persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

212.ip.ply.gg:16355

Mutex

Windows Update

Attributes

reg_key
Windows Update
splitter
|Hassan|

Signatures

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

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

Executes dropped EXE 1 IoCs

Processes:

Dllhost.exe

pid process

1040 Dllhost.exe
Loads dropped DLL 1 IoCs

Processes:

m4c050.exe

pid process

1324 m4c050.exe

pid	process
1040	Dllhost.exe

pid	process
1324	m4c050.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-1-5-21-1283023626-844874658-3193756055-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\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

1040 Dllhost.exe

pid	process
1040	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

Processes:

Dllhost.exe

description	pid	process
Token: SeDebugPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe
Token: 33	1040	Dllhost.exe
Token: SeIncBasePriorityPrivilege	1040	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

m4c050.exe

description	pid	process	target process
PID 1324 wrote to memory of 1040	1324	m4c050.exe	Dllhost.exe
PID 1324 wrote to memory of 1040	1324	m4c050.exe	Dllhost.exe
PID 1324 wrote to memory of 1040	1324	m4c050.exe	Dllhost.exe
PID 1324 wrote to memory of 1040	1324	m4c050.exe	Dllhost.exe

C:\Users\Admin\AppData\Local\Temp\m4c050.exe
"C:\Users\Admin\AppData\Local\Temp\m4c050.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1324

C:\Users\Admin\AppData\Roaming\Dllhost.exe
"C:\Users\Admin\AppData\Roaming\Dllhost.exe"
2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
PID:1040

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

Replay Monitor

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Downloads

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

MD5
104fe8e80032d42e1ba1118fd2049e8e

SHA1
d6e6695f27fdbce964983f611fc2f09534ea5a9d

SHA256
089c68cc6ef6d1af0201f210b0e88935e6756540aba5521969022b581e1a52e6

SHA512
d04f996e9399c0ab6b4a4f231e9307c37ea00f75e8c59a6072bfba159733f79cc90bb540c55508afffce0b00c6253f21846cfb6b3a759b89a6852c10fff7fe0a

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

MD5
104fe8e80032d42e1ba1118fd2049e8e

SHA1
d6e6695f27fdbce964983f611fc2f09534ea5a9d

SHA256
089c68cc6ef6d1af0201f210b0e88935e6756540aba5521969022b581e1a52e6

SHA512
d04f996e9399c0ab6b4a4f231e9307c37ea00f75e8c59a6072bfba159733f79cc90bb540c55508afffce0b00c6253f21846cfb6b3a759b89a6852c10fff7fe0a

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe
Filesize
43KB

MD5
104fe8e80032d42e1ba1118fd2049e8e

SHA1
d6e6695f27fdbce964983f611fc2f09534ea5a9d

SHA256
089c68cc6ef6d1af0201f210b0e88935e6756540aba5521969022b581e1a52e6

SHA512
d04f996e9399c0ab6b4a4f231e9307c37ea00f75e8c59a6072bfba159733f79cc90bb540c55508afffce0b00c6253f21846cfb6b3a759b89a6852c10fff7fe0a

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

MD5
104fe8e80032d42e1ba1118fd2049e8e

SHA1
d6e6695f27fdbce964983f611fc2f09534ea5a9d

SHA256
089c68cc6ef6d1af0201f210b0e88935e6756540aba5521969022b581e1a52e6

SHA512
d04f996e9399c0ab6b4a4f231e9307c37ea00f75e8c59a6072bfba159733f79cc90bb540c55508afffce0b00c6253f21846cfb6b3a759b89a6852c10fff7fe0a

Download Submit
memory/1040-63-0x0000000000A50000-0x0000000000A62000-memory.dmp

Filesize
72KB

Download
memory/1040-64-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/1040-66-0x0000000004A60000-0x0000000004AA0000-memory.dmp

Filesize
256KB

Download
memory/1324-54-0x0000000000960000-0x0000000000972000-memory.dmp

Filesize
72KB

Download
memory/1324-55-0x00000000048E0000-0x0000000004920000-memory.dmp

Filesize
256KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads