njrat | a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc

General

Target

a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe
Size

35KB
MD5

917235e2cc9fb5a974451973b4be23ce
SHA1

3f2df07996d988d0bb443bafd75487da428f5389
SHA256

a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc
SHA512

d8f31ed4edd33472a3b0e3967b401688529b2d2e039f66652877a75990b4934808a4ff3d92e2b3c5d9dfabfbba8d17f58f7d3365abd6f9aeb2181c63760144ae
SSDEEP

384:pLQ5CVFzG+7OA0VsMEvFO4xQi+yP+hhfMRAQk93vmhm7UMKmIEecKdbXTzm9bVh2:ZIfILxhRA/vMHTi9bDRJk6/i

Score

10^/10

njrat hacked discovery persistence trojan

Malware Config

Extracted

Family

njrat

Version

v2.0

Botnet

HacKed

C2

ratr.zapto.org:5552

Mutex

Windows

Attributes

reg_key
Windows
splitter
|-F-|

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\Windows.lnk	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2056	svchost.exe

Loads dropped DLL 1 IoCs

pid	Process
2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe

Adds Run key to start application 2 TTPs 5 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Local\\Temp\\svchost.exe"	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	svchost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\Windows2 = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\Windows.URL"	svchost.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	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	attrib.exe

Suspicious use of AdjustPrivilegeToken 33 IoCs

description	pid	Process
Token: SeDebugPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe
Token: 33	2056	svchost.exe
Token: SeIncBasePriorityPrivilege	2056	svchost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2156 wrote to memory of 2056	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	31
PID 2156 wrote to memory of 2056	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	31
PID 2156 wrote to memory of 2056	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	31
PID 2156 wrote to memory of 2056	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	31
PID 2156 wrote to memory of 2912	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	32
PID 2156 wrote to memory of 2912	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	32
PID 2156 wrote to memory of 2912	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	32
PID 2156 wrote to memory of 2912	2156	a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe	32
PID 2056 wrote to memory of 2604	2056	svchost.exe	34
PID 2056 wrote to memory of 2604	2056	svchost.exe	34
PID 2056 wrote to memory of 2604	2056	svchost.exe	34
PID 2056 wrote to memory of 2604	2056	svchost.exe	34
PID 2056 wrote to memory of 2828	2056	svchost.exe	35
PID 2056 wrote to memory of 2828	2056	svchost.exe	35
PID 2056 wrote to memory of 2828	2056	svchost.exe	35
PID 2056 wrote to memory of 2828	2056	svchost.exe	35

Views/modifies file attributes 1 TTPs 3 IoCs

evasion

Hidden Files and Directories

T1564.001

pid	Process
2912	attrib.exe
2604	attrib.exe
2828	attrib.exe

C:\Users\Admin\AppData\Local\Temp\a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe
"C:\Users\Admin\AppData\Local\Temp\a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2156
- C:\Users\Admin\AppData\Local\Temp\svchost.exe
  "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2056
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2604
- - C:\Windows\SysWOW64\attrib.exe
    attrib +h +r +s "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.exe"
    3⤵
    - System Location Discovery: System Language Discovery
    - Views/modifies file attributes
    PID:2828
- C:\Windows\SysWOW64\attrib.exe
  attrib +h +r +s "C:\Users\Admin\AppData\Local\Temp\svchost.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Views/modifies file attributes
  PID:2912

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Hide Artifacts

1

T1564

Hidden Files and Directories

Modify Registry

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Windows.lnk

Filesize
1KB

MD5
aab0594dc0ccf72394edb0350a86b3f1

SHA1
213f977d9d4b23d8ad554e86c2993d373bab6302

SHA256
cbd65a8650c6b50d91ccdede66a06aaf39709cbe2a8e18d0c96c7d5cbd8506ca

SHA512
dc4fd43d6641c93aed49613704bffab906cbc10f2aa7a3945ce02e6eff299c165cd459e8b047e836ae38871517bfdfe9b2e1fa59b45f9e28d429866b739da16e

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\Windows.lnk

Filesize
1018B

MD5
e1d45e45044687dab3a6d0632db13944

SHA1
899a5d21fc82511f1958f529f7a8cb07fca318a9

SHA256
cf1c0a075333927031717773ab95451514e865ea03dfbbadfb4ec20316af0149

SHA512
7643e22b5b86ef3847ca78aa6c6bd6f00823e5277832750cf4bf00975088a7dfb4143ab97c50ebbac4698b062e452aaf01efc070fc3801cb82659800bed66690

Download Submit
\Users\Admin\AppData\Local\Temp\svchost.exe

Filesize
35KB

MD5
917235e2cc9fb5a974451973b4be23ce

SHA1
3f2df07996d988d0bb443bafd75487da428f5389

SHA256
a75cc6e666c7810a7c60d0b87f61ea983886227f4ca4de43d2ed8c87d38590dc

SHA512
d8f31ed4edd33472a3b0e3967b401688529b2d2e039f66652877a75990b4934808a4ff3d92e2b3c5d9dfabfbba8d17f58f7d3365abd6f9aeb2181c63760144ae

Download Submit
memory/2056-13-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2056-15-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2056-20-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2056-21-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2156-0-0x0000000074541000-0x0000000074542000-memory.dmp

Filesize
4KB

Download
memory/2156-1-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2156-2-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2156-5-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download
memory/2156-14-0x0000000074540000-0x0000000074AEB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads