njrat | d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726

General

Target

d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe
Size

43KB
MD5

75d9bf5300924e732a64823a426a1c2d
SHA1

c8225b5c245ab22f8ab0e879d49e14427e82084e
SHA256

d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726
SHA512

373b4295f461932ab441a700272ccf2cbe6f2fa805b508a9ea3256a5481a402b8bdd6917f7c1b86d5b32b46ed80f32d818796f653f53e951050568fbfe5ccb3f
SSDEEP

384:6ZyqCXvJZdlYxOsykvjgpNXyTtEahXISzgIij+ZsNO3PlpJKkkjh/TzF7pWnf/gW:Y9CXvJHuIpijgjXsDhtuXQ/o6/+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

necessary-screensaver.gl.at.ply.gg:15573

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 3 IoCs

pid	Process
2816	Dllhost.exe
2920	Server.exe
2040	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
2640	d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.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-1-5-21-940600906-3464502421-4240639183-1000\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 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	d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe
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

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
2568	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
2640	d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe
2816	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe
Token: 33	2816	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2816	Dllhost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2640 wrote to memory of 2816	2640	d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe	30
PID 2640 wrote to memory of 2816	2640	d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe	30
PID 2640 wrote to memory of 2816	2640	d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe	30
PID 2640 wrote to memory of 2816	2640	d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe	30
PID 2816 wrote to memory of 2568	2816	Dllhost.exe	31
PID 2816 wrote to memory of 2568	2816	Dllhost.exe	31
PID 2816 wrote to memory of 2568	2816	Dllhost.exe	31
PID 2816 wrote to memory of 2568	2816	Dllhost.exe	31
PID 2844 wrote to memory of 2920	2844	taskeng.exe	34
PID 2844 wrote to memory of 2920	2844	taskeng.exe	34
PID 2844 wrote to memory of 2920	2844	taskeng.exe	34
PID 2844 wrote to memory of 2920	2844	taskeng.exe	34
PID 2844 wrote to memory of 2040	2844	taskeng.exe	35
PID 2844 wrote to memory of 2040	2844	taskeng.exe	35
PID 2844 wrote to memory of 2040	2844	taskeng.exe	35
PID 2844 wrote to memory of 2040	2844	taskeng.exe	35

C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe
"C:\Users\Admin\AppData\Local\Temp\d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2640
- 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
  - Suspicious use of WriteProcessMemory
  PID:2816
- - 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:2568

C:\Windows\system32\taskeng.exe
taskeng.exe {902A1FCD-6FE7-44CB-BF9B-7836360329EE} S-1-5-21-940600906-3464502421-4240639183-1000:MGWWAYYN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2844
- 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:2040

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

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

Filesize
43KB

MD5
75d9bf5300924e732a64823a426a1c2d

SHA1
c8225b5c245ab22f8ab0e879d49e14427e82084e

SHA256
d2dfc35ba32eded5d457b40f552240e0ab80277a0627483ea03616e1cc6de726

SHA512
373b4295f461932ab441a700272ccf2cbe6f2fa805b508a9ea3256a5481a402b8bdd6917f7c1b86d5b32b46ed80f32d818796f653f53e951050568fbfe5ccb3f

Download Submit
memory/2040-22-0x0000000000290000-0x00000000002A2000-memory.dmp

Filesize
72KB

Download
memory/2640-0-0x000000007469E000-0x000000007469F000-memory.dmp

Filesize
4KB

Download
memory/2640-1-0x0000000000F30000-0x0000000000F42000-memory.dmp

Filesize
72KB

Download
memory/2640-2-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2640-10-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-12-0x00000000000C0000-0x00000000000D2000-memory.dmp

Filesize
72KB

Download
memory/2816-11-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-13-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-16-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2816-17-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2920-20-0x0000000001350000-0x0000000001362000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads