njrat | 81abb1776a5da5c7844a18f50a4f254eed232c6164b62e2a5fd69d4494c4b943

General

Target

antivirusbyemilv1.0.exe
Size

43KB
MD5

04b503df0753a8a4bf74035949215a47
SHA1

fde82e54526910d082a80853730969888d86befd
SHA256

81abb1776a5da5c7844a18f50a4f254eed232c6164b62e2a5fd69d4494c4b943
SHA512

4608a20bfb499bc6a0ca89cab7d080f76f3d7fb2c730492bfa6d7f6301bd50b24af7f228c6a1b5ac06f033c7367fb580279446407bfdad0004669dbdfeb82da2
SSDEEP

384:FZyd5ctOnwtOyW60GmciXEFdZBEk0z2I1zgIij+ZsNO3PlpJKkkjh/TzF7pWn3J8:PuqAwt/W6NmciXEF3p0zxuXQ/oI6+L

Score

10^/10

njrat hacked discovery trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

both-foundations.gl.at.ply.gg:60732

Mutex

Microsoft Edge Updater

Attributes

reg_key
Microsoft Edge Updater
splitter
|Hassan|

Signatures

Njrat family
njrat
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	MicrosoftEdgeUpdater.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java Update.exe	MicrosoftEdgeUpdater.exe

Executes dropped EXE 3 IoCs

pid	Process
2792	MicrosoftEdgeUpdater.exe
1220	Server.exe
2856	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
1728	antivirusbyemilv1.0.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 5 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	antivirusbyemilv1.0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MicrosoftEdgeUpdater.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2764	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 3 IoCs

pid	Process
1728	antivirusbyemilv1.0.exe
2792	MicrosoftEdgeUpdater.exe
1220	Server.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe
Token: 33	2792	MicrosoftEdgeUpdater.exe
Token: SeIncBasePriorityPrivilege	2792	MicrosoftEdgeUpdater.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 1728 wrote to memory of 2792	1728	antivirusbyemilv1.0.exe	30
PID 1728 wrote to memory of 2792	1728	antivirusbyemilv1.0.exe	30
PID 1728 wrote to memory of 2792	1728	antivirusbyemilv1.0.exe	30
PID 1728 wrote to memory of 2792	1728	antivirusbyemilv1.0.exe	30
PID 1728 wrote to memory of 2792	1728	antivirusbyemilv1.0.exe	30
PID 1728 wrote to memory of 2792	1728	antivirusbyemilv1.0.exe	30
PID 1728 wrote to memory of 2792	1728	antivirusbyemilv1.0.exe	30
PID 2792 wrote to memory of 2764	2792	MicrosoftEdgeUpdater.exe	31
PID 2792 wrote to memory of 2764	2792	MicrosoftEdgeUpdater.exe	31
PID 2792 wrote to memory of 2764	2792	MicrosoftEdgeUpdater.exe	31
PID 2792 wrote to memory of 2764	2792	MicrosoftEdgeUpdater.exe	31
PID 1020 wrote to memory of 1220	1020	taskeng.exe	35
PID 1020 wrote to memory of 1220	1020	taskeng.exe	35
PID 1020 wrote to memory of 1220	1020	taskeng.exe	35
PID 1020 wrote to memory of 1220	1020	taskeng.exe	35
PID 1020 wrote to memory of 2856	1020	taskeng.exe	36
PID 1020 wrote to memory of 2856	1020	taskeng.exe	36
PID 1020 wrote to memory of 2856	1020	taskeng.exe	36
PID 1020 wrote to memory of 2856	1020	taskeng.exe	36

C:\Users\Admin\AppData\Local\Temp\antivirusbyemilv1.0.exe
"C:\Users\Admin\AppData\Local\Temp\antivirusbyemilv1.0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:1728
- C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdater.exe
  "C:\Users\Admin\AppData\Local\Temp\MicrosoftEdgeUpdater.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2792
- - C:\Windows\SysWOW64\schtasks.exe
    schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
    3⤵
    - System Location Discovery: System Language Discovery
    - Scheduled Task/Job: Scheduled Task
    PID:2764

C:\Windows\system32\taskeng.exe
taskeng.exe {F9AD0E05-2CC3-47EF-8126-2A7612D63F20} S-1-5-21-3063565911-2056067323-3330884624-1000:KHBTHJFA\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: GetForegroundWindowSpam
  PID:1220
- C:\Users\Admin\AppData\Local\Temp\Server.exe
  C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:2856

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

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\MicrosoftEdgeUpdater.exe

Filesize
43KB

MD5
04b503df0753a8a4bf74035949215a47

SHA1
fde82e54526910d082a80853730969888d86befd

SHA256
81abb1776a5da5c7844a18f50a4f254eed232c6164b62e2a5fd69d4494c4b943

SHA512
4608a20bfb499bc6a0ca89cab7d080f76f3d7fb2c730492bfa6d7f6301bd50b24af7f228c6a1b5ac06f033c7367fb580279446407bfdad0004669dbdfeb82da2

Download Submit
memory/1220-20-0x0000000000B70000-0x0000000000B82000-memory.dmp

Filesize
72KB

Download
memory/1728-0-0x000000007409E000-0x000000007409F000-memory.dmp

Filesize
4KB

Download
memory/1728-1-0x00000000003D0000-0x00000000003E2000-memory.dmp

Filesize
72KB

Download
memory/1728-2-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/1728-10-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-11-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-12-0x0000000000AF0000-0x0000000000B02000-memory.dmp

Filesize
72KB

Download
memory/2792-13-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-16-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2792-17-0x0000000074090000-0x000000007477E000-memory.dmp

Filesize
6.9MB

Download
memory/2856-22-0x0000000001110000-0x0000000001122000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads