njrat | 7b7c4da87fd58d5a6cb90c2c217d288c06c9b4a4a5720dcb7227c4f62a32d969

General

Target

Новая папка/hask.exe
Size

43KB
MD5

d6b54455b0f174d6c6e08840adc92687
SHA1

b0b61c00597f502652fa39362a827b6183831dcf
SHA256

8072ade2624d0ec2379f2d7c04311bb80d26100b2cfbb43a04bd3f7b0de71869
SHA512

cef4c9722cbc40adecf369435b407d15efa54d8d8c021c2b29481c709ca139098035464c94daafe35607a3b262ce140dc5bcdb7a4de2b56f5972b4f2aae9e23a
SSDEEP

384:L8ZyV+psyCEFmVoybZJEH4OQE58DMghYzEIij+ZsNO3PlpJKkkjh/TzF7pWnDggW:L6NpsyVAVlbDW/SggYuXQ/o+E+L

Score

10^/10

njrat 312312312 discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

312312312

C2

185.60.133.214:4432

Mutex

Windows Update

Attributes

reg_key
Windows Update
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	hask.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	hask.exe

Executes dropped EXE 2 IoCs

pid	Process
2920	Server.exe
1624	Server.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Новая папка\\hask.exe\" .."	hask.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Новая папка\\hask.exe\" .."	hask.exe

System Location Discovery: System Language Discovery 1 TTPs 4 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	hask.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
2328	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1908	hask.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe
Token: 33	1908	hask.exe
Token: SeIncBasePriorityPrivilege	1908	hask.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 1908 wrote to memory of 2328	1908	hask.exe	30
PID 1908 wrote to memory of 2328	1908	hask.exe	30
PID 1908 wrote to memory of 2328	1908	hask.exe	30
PID 1908 wrote to memory of 2328	1908	hask.exe	30
PID 2888 wrote to memory of 2920	2888	taskeng.exe	34
PID 2888 wrote to memory of 2920	2888	taskeng.exe	34
PID 2888 wrote to memory of 2920	2888	taskeng.exe	34
PID 2888 wrote to memory of 2920	2888	taskeng.exe	34
PID 2888 wrote to memory of 1624	2888	taskeng.exe	35
PID 2888 wrote to memory of 1624	2888	taskeng.exe	35
PID 2888 wrote to memory of 1624	2888	taskeng.exe	35
PID 2888 wrote to memory of 1624	2888	taskeng.exe	35

C:\Users\Admin\AppData\Local\Temp\Новая папка\hask.exe
"C:\Users\Admin\AppData\Local\Temp\Новая папка\hask.exe"
1⤵
- Drops startup file
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1908
- C:\Windows\SysWOW64\schtasks.exe
  schtasks /create /sc minute /mo 1 /tn Server /tr C:\Users\Admin\AppData\Local\Temp/Server.exe
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:2328

C:\Windows\system32\taskeng.exe
taskeng.exe {020D62DE-69E8-4ADE-9F9C-B3AD5D6CA02D} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2888
- 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:2920
- 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:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\Server.exe

Filesize
43KB

MD5
d6b54455b0f174d6c6e08840adc92687

SHA1
b0b61c00597f502652fa39362a827b6183831dcf

SHA256
8072ade2624d0ec2379f2d7c04311bb80d26100b2cfbb43a04bd3f7b0de71869

SHA512
cef4c9722cbc40adecf369435b407d15efa54d8d8c021c2b29481c709ca139098035464c94daafe35607a3b262ce140dc5bcdb7a4de2b56f5972b4f2aae9e23a

Download Submit
memory/1908-0-0x000000007478E000-0x000000007478F000-memory.dmp

Filesize
4KB

Download
memory/1908-1-0x00000000013B0000-0x00000000013C2000-memory.dmp

Filesize
72KB

Download
memory/1908-2-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/1908-5-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-8-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-9-0x0000000000C70000-0x0000000000C82000-memory.dmp

Filesize
72KB

Download
memory/2920-10-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-11-0x0000000074780000-0x0000000074E6E000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads