njrat | 253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894

General

Target

253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe
Size

43KB
MD5

fa730ba7926d985677d9d33d0f714509
SHA1

3c0396c78d4b50a147522f9a64eef0387874215e
SHA256

253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894
SHA512

efb111e8fcb31e7609219bf5c5ae4ba9ec467cdb9f6f539ee1bc5bc91493adce9ee57f7f8a24e77fa29abbd991fd32355f9d6a367bee3fa2396c4c3a8bfe4e57
SSDEEP

384:QZyVcVarEvEyeZ00s/Y0XMtZtQF8u9D9O5UE5QzwBlpJNakkjh/TzF7pWnN1gre3:WOcMYvReZ1s/tSZaWvQO+kD+L

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKeD

C2

85:85

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

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

pid	Process
3016	Dllhost.exe

Loads dropped DLL 1 IoCs

pid	Process
2956	253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1846800975-3917212583-2893086201-1000\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).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Dllhost.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2956	253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe
3016	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe
Token: 33	3016	Dllhost.exe
Token: SeIncBasePriorityPrivilege	3016	Dllhost.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2956 wrote to memory of 3016	2956	253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe	31
PID 2956 wrote to memory of 3016	2956	253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe	31
PID 2956 wrote to memory of 3016	2956	253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe	31
PID 2956 wrote to memory of 3016	2956	253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe	31

C:\Users\Admin\AppData\Local\Temp\253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe
"C:\Users\Admin\AppData\Local\Temp\253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2956
- C:\Users\Admin\AppData\Local\Temp\Dllhost.exe
  "C:\Users\Admin\AppData\Local\Temp\Dllhost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  PID:3016

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\AppData\Local\Temp\Dllhost.exe

Filesize
43KB

MD5
fa730ba7926d985677d9d33d0f714509

SHA1
3c0396c78d4b50a147522f9a64eef0387874215e

SHA256
253d2bc02e9a0b835ce9c7bf6f05bc9fa33bc60ddfb71f1da3de26befa103894

SHA512
efb111e8fcb31e7609219bf5c5ae4ba9ec467cdb9f6f539ee1bc5bc91493adce9ee57f7f8a24e77fa29abbd991fd32355f9d6a367bee3fa2396c4c3a8bfe4e57

Download Submit
memory/2956-0-0x0000000074C81000-0x0000000074C82000-memory.dmp

Filesize
4KB

Download
memory/2956-1-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2956-2-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/2956-12-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/3016-11-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/3016-10-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download
memory/3016-14-0x0000000074C80000-0x000000007522B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads