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
4628	Server.exe
1068	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-1-5-21-3227495264-2217614367-4027411560-1000\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	Server.exe
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

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
4436	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
4648	hask.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe
Token: 33	4648	hask.exe
Token: SeIncBasePriorityPrivilege	4648	hask.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4648 wrote to memory of 4436	4648	hask.exe	82
PID 4648 wrote to memory of 4436	4648	hask.exe	82
PID 4648 wrote to memory of 4436	4648	hask.exe	82

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:4648
- 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:4436

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:4628

C:\Users\Admin\AppData\Local\Temp\Server.exe
C:\Users\Admin\AppData\Local\Temp/Server.exe
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
PID:1068

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\Server.exe.log

Filesize
507B

MD5
25d1b50e7c0d451f3d850eb54d27ca05

SHA1
a238807715c70a335f54e80d4855644b21a9e870

SHA256
650faa13e983c9046c9030f63a5fa1c33900432ec7cb3762e015da2e7c5b34a5

SHA512
4223a26b2fabefdf1c01443ccc7bd887464d27f02694379895a040c66db472d541218d501f1c01e1bd31012d079a31baf24e20882c32cf652a09a74e3bf385f5

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

Filesize
43KB

MD5
d6b54455b0f174d6c6e08840adc92687

SHA1
b0b61c00597f502652fa39362a827b6183831dcf

SHA256
8072ade2624d0ec2379f2d7c04311bb80d26100b2cfbb43a04bd3f7b0de71869

SHA512
cef4c9722cbc40adecf369435b407d15efa54d8d8c021c2b29481c709ca139098035464c94daafe35607a3b262ce140dc5bcdb7a4de2b56f5972b4f2aae9e23a

Download Submit
memory/1068-21-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1068-20-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/1068-18-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-16-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-14-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4628-13-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4648-4-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4648-10-0x00000000059E0000-0x00000000059EA000-memory.dmp

Filesize
40KB

Download
memory/4648-9-0x0000000074C00000-0x00000000753B0000-memory.dmp

Filesize
7.7MB

Download
memory/4648-8-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/4648-5-0x0000000005A00000-0x0000000005A92000-memory.dmp

Filesize
584KB

Download
memory/4648-0-0x0000000074C0E000-0x0000000074C0F000-memory.dmp

Filesize
4KB

Download
memory/4648-3-0x0000000005EE0000-0x0000000006484000-memory.dmp

Filesize
5.6MB

Download
memory/4648-2-0x0000000005610000-0x00000000056AC000-memory.dmp

Filesize
624KB

Download
memory/4648-1-0x0000000000C20000-0x0000000000C32000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads