njrat | 709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512

General

Target

709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe
Size

903KB
MD5

bd5494546a6eeb7543f728c32b23eca6
SHA1

a7269d4e1357a79aac11f8b670122b943cf2c137
SHA256

709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512
SHA512

f3b691414f913c83011ae165287bba1211195489724dd69448a8f53d70f30510a34a377278ad1d373dcba317bd8516afd97911a8d3f09f3f669da4cad5ba0f05
SSDEEP

3072:HEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEA93TEAZ:HRRRRRRRRRRRRRRRRRRRRJ

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

Njrat 0.7 Golden By Hassan Amiri

Botnet

HacKed

C2

com-elephant.gl.at.ply.gg:63355

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	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
2276	Dllhost.exe
2412	Server.exe
2484	Server.exe

Loads dropped DLL 1 IoCs

pid	Process
836	709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.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-1-5-21-3692679935-4019334568-335155002-1000\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	709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.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
2776	schtasks.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
836	709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe
2276	Dllhost.exe

Suspicious use of AdjustPrivilegeToken 31 IoCs

description	pid	Process
Token: SeDebugPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe
Token: 33	2276	Dllhost.exe
Token: SeIncBasePriorityPrivilege	2276	Dllhost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 836 wrote to memory of 2276	836	709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe	30
PID 836 wrote to memory of 2276	836	709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe	30
PID 836 wrote to memory of 2276	836	709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe	30
PID 836 wrote to memory of 2276	836	709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe	30
PID 2276 wrote to memory of 2776	2276	Dllhost.exe	31
PID 2276 wrote to memory of 2776	2276	Dllhost.exe	31
PID 2276 wrote to memory of 2776	2276	Dllhost.exe	31
PID 2276 wrote to memory of 2776	2276	Dllhost.exe	31
PID 876 wrote to memory of 2412	876	taskeng.exe	34
PID 876 wrote to memory of 2412	876	taskeng.exe	34
PID 876 wrote to memory of 2412	876	taskeng.exe	34
PID 876 wrote to memory of 2412	876	taskeng.exe	34
PID 876 wrote to memory of 2484	876	taskeng.exe	35
PID 876 wrote to memory of 2484	876	taskeng.exe	35
PID 876 wrote to memory of 2484	876	taskeng.exe	35
PID 876 wrote to memory of 2484	876	taskeng.exe	35

C:\Users\Admin\AppData\Local\Temp\709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe
"C:\Users\Admin\AppData\Local\Temp\709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious behavior: GetForegroundWindowSpam
- Suspicious use of WriteProcessMemory
PID:836
- 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:2276
- - 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:2776

C:\Windows\system32\taskeng.exe
taskeng.exe {D0E06246-D4A8-45ED-BF1C-C4138DDA331C} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:876
- 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:2412
- 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

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
903KB

MD5
bd5494546a6eeb7543f728c32b23eca6

SHA1
a7269d4e1357a79aac11f8b670122b943cf2c137

SHA256
709d01e2059255e29bf003d6b94cd2514b2fad1c7760d06cc3c1d52ffb0fb512

SHA512
f3b691414f913c83011ae165287bba1211195489724dd69448a8f53d70f30510a34a377278ad1d373dcba317bd8516afd97911a8d3f09f3f669da4cad5ba0f05

Download Submit
memory/836-0-0x0000000074D4E000-0x0000000074D4F000-memory.dmp

Filesize
4KB

Download
memory/836-1-0x0000000001190000-0x00000000011A2000-memory.dmp

Filesize
72KB

Download
memory/836-2-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/836-3-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/836-11-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-12-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-13-0x0000000000820000-0x0000000000832000-memory.dmp

Filesize
72KB

Download
memory/2276-14-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-17-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2276-18-0x0000000074D40000-0x000000007542E000-memory.dmp

Filesize
6.9MB

Download
memory/2412-21-0x0000000000930000-0x0000000000942000-memory.dmp

Filesize
72KB

Download
memory/2484-23-0x0000000001220000-0x0000000001232000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads