njrat | 40ecf3ec9b5ca8e87f63e95db85bc256bacad1afc564aa93382d8d80c7c9aa8b

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
09-05-2023 00:20

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General

Target

file.exe
Size

25KB
MD5

630cb1c812afbc2faf6195b92a317558
SHA1

44080b81bf19e444a8e9f9c659c11b07eb4140fb
SHA256

40ecf3ec9b5ca8e87f63e95db85bc256bacad1afc564aa93382d8d80c7c9aa8b
SHA512

d0580d7e084d61e67d1163cf44887b99b14dfd06aa19ff6841321fe631e54f8c0b369106abe936633c588875ccf832c74dc80c4c599ce203aa34fb2e71687a65
SSDEEP

384:sv3ZIUmalYa/4xMq952ZZVljFn5rIjku0/yfFUWDc+e2OUrN:svpmalY552ZZV7Fobt7D92a

Score

10^/10

njrat trupashot persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

TrupAshot

151.237.185.211:47736

Mutex

Java

Attributes

reg_key
Java
splitter
|Hassan|

Signatures

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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Security.exe	svchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Security.exe	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
892	svchost.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\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3430344531-3702557399-3004411149-1000\Software\Microsoft\Windows\CurrentVersion\Run\Java = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\" .."	svchost.exe

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

System Information Discovery
T1082

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
892	svchost.exe

Suspicious use of AdjustPrivilegeToken 21 IoCs

description	pid	Process
Token: SeDebugPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe
Token: 33	892	svchost.exe
Token: SeIncBasePriorityPrivilege	892	svchost.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1544 wrote to memory of 892	1544	file.exe	28
PID 1544 wrote to memory of 892	1544	file.exe	28
PID 1544 wrote to memory of 892	1544	file.exe	28

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:1544
- C:\Users\Admin\AppData\Roaming\svchost.exe
  "C:\Users\Admin\AppData\Roaming\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

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\Roaming\svchost.exe

Filesize
25KB

MD5
630cb1c812afbc2faf6195b92a317558

SHA1
44080b81bf19e444a8e9f9c659c11b07eb4140fb

SHA256
40ecf3ec9b5ca8e87f63e95db85bc256bacad1afc564aa93382d8d80c7c9aa8b

SHA512
d0580d7e084d61e67d1163cf44887b99b14dfd06aa19ff6841321fe631e54f8c0b369106abe936633c588875ccf832c74dc80c4c599ce203aa34fb2e71687a65

Download Submit
C:\Users\Admin\AppData\Roaming\svchost.exe

Filesize
25KB

MD5
630cb1c812afbc2faf6195b92a317558

SHA1
44080b81bf19e444a8e9f9c659c11b07eb4140fb

SHA256
40ecf3ec9b5ca8e87f63e95db85bc256bacad1afc564aa93382d8d80c7c9aa8b

SHA512
d0580d7e084d61e67d1163cf44887b99b14dfd06aa19ff6841321fe631e54f8c0b369106abe936633c588875ccf832c74dc80c4c599ce203aa34fb2e71687a65

Download Submit
memory/892-62-0x0000000000310000-0x0000000000318000-memory.dmp

Filesize
32KB

Download
memory/1544-54-0x0000000001340000-0x0000000001348000-memory.dmp

Filesize
32KB

Download
memory/1544-55-0x00000000006E0000-0x00000000006F2000-memory.dmp

Filesize
72KB

Download
memory/1544-56-0x000000001AFF0000-0x000000001B070000-memory.dmp

Filesize
512KB

Download