njrat | 9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979

General

Target

9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe
Size

43KB
MD5

48843eb13139cd336dd997d873b7ef60
SHA1

d3f2cf851060da0979b7e5d2da47b4c3a786bf76
SHA256

9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979
SHA512

b200414e0fe08c8b9ad3407b5ddbb7a37d862d85c81da3db9a46f1863ef855eba86ded687ab32cc2156a82ea4ddd6dc0fe1f6a0f4cbce2c1d4712eb6d53981c8
SSDEEP

384:mZyaoR5ctOnwtOyW6jlyci8EqnQ4Es472IBzgIij+ZsNO3PlpJKkkjh/TzF7pWnF:8UqAwt/W6pyci8EqQ0479uXQ/om3+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

127.0.0.1:9096

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

Processes:

solaraV4.exe

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	solaraV4.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Java update.exe	solaraV4.exe

Executes dropped EXE 2 IoCs

Processes:

solaraV4.exeServer.exe

pid	Process
2808	solaraV4.exe
1472	Server.exe

Loads dropped DLL 1 IoCs

Processes:

9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe

pid	Process
2672	9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

solaraV4.exe

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\\solaraV4.exe\" .."	solaraV4.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows Update = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\solaraV4.exe\" .."	solaraV4.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

Processes:

9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exesolaraV4.exeschtasks.exeServer.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	solaraV4.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

Processes:

schtasks.exe

pid	Process
2868	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

Processes:

9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exesolaraV4.exe

pid	Process
2672	9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe
2808	solaraV4.exe

Suspicious use of AdjustPrivilegeToken 25 IoCs

Processes:

solaraV4.exe

description	pid	Process
Token: SeDebugPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe
Token: 33	2808	solaraV4.exe
Token: SeIncBasePriorityPrivilege	2808	solaraV4.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exesolaraV4.exetaskeng.exe

description	pid	Process	procid_target
PID 2672 wrote to memory of 2808	2672	9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe	30
PID 2672 wrote to memory of 2808	2672	9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe	30
PID 2672 wrote to memory of 2808	2672	9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe	30
PID 2672 wrote to memory of 2808	2672	9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe	30
PID 2808 wrote to memory of 2868	2808	solaraV4.exe	31
PID 2808 wrote to memory of 2868	2808	solaraV4.exe	31
PID 2808 wrote to memory of 2868	2808	solaraV4.exe	31
PID 2808 wrote to memory of 2868	2808	solaraV4.exe	31
PID 1808 wrote to memory of 1472	1808	taskeng.exe	34
PID 1808 wrote to memory of 1472	1808	taskeng.exe	34
PID 1808 wrote to memory of 1472	1808	taskeng.exe	34
PID 1808 wrote to memory of 1472	1808	taskeng.exe	34

C:\Users\Admin\AppData\Local\Temp\9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe
"C:\Users\Admin\AppData\Local\Temp\9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:2672
- C:\Users\Admin\AppData\Local\Temp\solaraV4.exe
  "C:\Users\Admin\AppData\Local\Temp\solaraV4.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:2808
- - 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:2868

C:\Windows\system32\taskeng.exe
taskeng.exe {34DC5825-5842-409E-9BBB-B348E756A14B} S-1-5-21-1488793075-819845221-1497111674-1000:UPNECVIU\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:1808
- 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:1472

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

\Users\Admin\AppData\Local\Temp\solaraV4.exe

Filesize
43KB

MD5
48843eb13139cd336dd997d873b7ef60

SHA1
d3f2cf851060da0979b7e5d2da47b4c3a786bf76

SHA256
9c2d4c61a7c85525422c51a2c586b3204cd36ee7e32e0778c4968bd36bb16979

SHA512
b200414e0fe08c8b9ad3407b5ddbb7a37d862d85c81da3db9a46f1863ef855eba86ded687ab32cc2156a82ea4ddd6dc0fe1f6a0f4cbce2c1d4712eb6d53981c8

Download Submit
memory/1472-20-0x0000000000860000-0x0000000000872000-memory.dmp

Filesize
72KB

Download
memory/2672-0-0x000000007431E000-0x000000007431F000-memory.dmp

Filesize
4KB

Download
memory/2672-1-0x00000000001E0000-0x00000000001F2000-memory.dmp

Filesize
72KB

Download
memory/2672-2-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download
memory/2672-10-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-12-0x0000000000AC0000-0x0000000000AD2000-memory.dmp

Filesize
72KB

Download
memory/2808-11-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-13-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-16-0x0000000074310000-0x00000000749FE000-memory.dmp

Filesize
6.9MB

Download
memory/2808-17-0x0000000074310000-0x00000000749FE000-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