njrat | 90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4

General

Target

90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe
Size

43KB
MD5

82a9a2a48d290eea02ea5f46a8f31dfb
SHA1

dc20b8cd4f74b9a63cf2d90c5cbbd21839945c89
SHA256

90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4
SHA512

e3988c2ee085cf228603f70b54eaadca3a9ba5caa72661eaed7eb20217042b52c2539bf77bd4c40e7165d02bcdb605379c94f279fa671beaaaed49b59d5cc833
SSDEEP

384:/ZyvvGyCEFmVoybL/ldP8tm8wMxEDMghm19D9O5UE5QzwBlpJNakkjh/TzF7pWng:BOvGyVAVlbL/l5knuggrvQO+Dl+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

192.168.234.154:5555

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 4 IoCs

pid	Process
2812	Dllhost.exe
2484	Server.exe
2064	Server.exe
444	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
2216	90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\Dllhost.exe\" .."	Dllhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Roaming\\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 6 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	Dllhost.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.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
2704	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2216	90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe
2812	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe
Token: 33	2812	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2812	Dllhost.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2812	2216	90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe	30
PID 2216 wrote to memory of 2812	2216	90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe	30
PID 2216 wrote to memory of 2812	2216	90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe	30
PID 2216 wrote to memory of 2812	2216	90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe	30
PID 2812 wrote to memory of 2704	2812	Dllhost.exe	31
PID 2812 wrote to memory of 2704	2812	Dllhost.exe	31
PID 2812 wrote to memory of 2704	2812	Dllhost.exe	31
PID 2812 wrote to memory of 2704	2812	Dllhost.exe	31
PID 2656 wrote to memory of 2484	2656	taskeng.exe	34
PID 2656 wrote to memory of 2484	2656	taskeng.exe	34
PID 2656 wrote to memory of 2484	2656	taskeng.exe	34
PID 2656 wrote to memory of 2484	2656	taskeng.exe	34
PID 2656 wrote to memory of 2064	2656	taskeng.exe	36
PID 2656 wrote to memory of 2064	2656	taskeng.exe	36
PID 2656 wrote to memory of 2064	2656	taskeng.exe	36
PID 2656 wrote to memory of 2064	2656	taskeng.exe	36
PID 2656 wrote to memory of 444	2656	taskeng.exe	37
PID 2656 wrote to memory of 444	2656	taskeng.exe	37
PID 2656 wrote to memory of 444	2656	taskeng.exe	37
PID 2656 wrote to memory of 444	2656	taskeng.exe	37

C:\Users\Admin\AppData\Local\Temp\90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe
"C:\Users\Admin\AppData\Local\Temp\90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2216
- C:\Users\Admin\AppData\Roaming\Dllhost.exe
  "C:\Users\Admin\AppData\Roaming\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
  - Suspicious use of WriteProcessMemory
  PID:2812
- - 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:2704

C:\Windows\system32\taskeng.exe
taskeng.exe {18FD357F-F648-4A3E-ACEA-6CF2E75FEA91} S-1-5-21-3290804112-2823094203-3137964600-1000:VORHPBAB\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2656
- 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:2484
- 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:2064
- 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:444

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 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

C:\Users\Admin\AppData\Roaming\Dllhost.exe

Filesize
43KB

MD5
82a9a2a48d290eea02ea5f46a8f31dfb

SHA1
dc20b8cd4f74b9a63cf2d90c5cbbd21839945c89

SHA256
90a3ee4bb184d38630de9018450ed6be6fdeb2e6b562ccd04fc88f0ad0c865f4

SHA512
e3988c2ee085cf228603f70b54eaadca3a9ba5caa72661eaed7eb20217042b52c2539bf77bd4c40e7165d02bcdb605379c94f279fa671beaaaed49b59d5cc833

Download Submit
memory/2216-0-0x0000000074CA1000-0x0000000074CA2000-memory.dmp

Filesize
4KB

Download
memory/2216-1-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2216-2-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2216-13-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2216-14-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-10-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-11-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-12-0x0000000074CA0000-0x000000007524B000-memory.dmp

Filesize
5.7MB

Download
memory/2812-17-0x0000000074CA0000-0x000000007524B000-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