njrat | 23f247cc697ffbc58e0dc59ac0a3d8bae1a1c8521af810519c93cdf185bf6686

Analysis

max time kernel
150s
max time network
23s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 15:34

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General

Target

JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe
Size

152KB
MD5

254dd5ea0fa1f4a15795971366c38487
SHA1

025cb8750b3431d73e00e5f2617cdf94fa66b50d
SHA256

23f247cc697ffbc58e0dc59ac0a3d8bae1a1c8521af810519c93cdf185bf6686
SHA512

08897f7188f2cb43d21403d06dd546f2f0bc9e9c48c8c259e5fbfe2e1e64ab6668a0c250c972236b8e2fd2972f50c10eba4e877394ca39ce09bd39e7daf310fa
SSDEEP

3072:TIOXGze73aSyCt0Ek21R7HL218mdU882vERh6z7PYAOfvvqn0:TIOX4e7Kcf6d+2vERh6OHqn

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

uwk007.zapto.org:1177

Mutex

458ff06394da6bece9a5c4cd8117cf87

Attributes

reg_key
458ff06394da6bece9a5c4cd8117cf87
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
2736	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\458ff06394da6bece9a5c4cd8117cf87.exe	svshost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\458ff06394da6bece9a5c4cd8117cf87.exe	svshost.exe

Executes dropped EXE 1 IoCs

pid	Process
1484	svshost.exe

Loads dropped DLL 2 IoCs

pid	Process
1048	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe
1048	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.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\458ff06394da6bece9a5c4cd8117cf87 = "\"C:\\Users\\Admin\\svshost.exe\" .."	svshost.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\458ff06394da6bece9a5c4cd8117cf87 = "\"C:\\Users\\Admin\\svshost.exe\" .."	svshost.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	svshost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 36 IoCs

description	pid	Process
Token: SeDebugPrivilege	1048	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe
Token: SeDebugPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe
Token: 33	1484	svshost.exe
Token: SeIncBasePriorityPrivilege	1484	svshost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1048 wrote to memory of 1484	1048	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe	29
PID 1048 wrote to memory of 1484	1048	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe	29
PID 1048 wrote to memory of 1484	1048	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe	29
PID 1048 wrote to memory of 1484	1048	JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe	29
PID 1484 wrote to memory of 2736	1484	svshost.exe	30
PID 1484 wrote to memory of 2736	1484	svshost.exe	30
PID 1484 wrote to memory of 2736	1484	svshost.exe	30
PID 1484 wrote to memory of 2736	1484	svshost.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_254dd5ea0fa1f4a15795971366c38487.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1048
- C:\Users\Admin\svshost.exe
  "C:\Users\Admin\svshost.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:1484
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\svshost.exe" "svshost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2736

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

\Users\Admin\svshost.exe

Filesize
152KB

MD5
254dd5ea0fa1f4a15795971366c38487

SHA1
025cb8750b3431d73e00e5f2617cdf94fa66b50d

SHA256
23f247cc697ffbc58e0dc59ac0a3d8bae1a1c8521af810519c93cdf185bf6686

SHA512
08897f7188f2cb43d21403d06dd546f2f0bc9e9c48c8c259e5fbfe2e1e64ab6668a0c250c972236b8e2fd2972f50c10eba4e877394ca39ce09bd39e7daf310fa

Download Submit
memory/1048-18-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-1-0x0000000000FC0000-0x0000000000FEC000-memory.dmp

Filesize
176KB

Download
memory/1048-2-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-3-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1048-4-0x00000000001F0000-0x00000000001FC000-memory.dmp

Filesize
48KB

Download
memory/1048-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/1048-17-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

Filesize
4KB

Download
memory/1048-20-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-16-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-19-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-15-0x0000000000B60000-0x0000000000B8C000-memory.dmp

Filesize
176KB

Download
memory/1484-22-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download
memory/1484-23-0x0000000074EB0000-0x000000007559E000-memory.dmp

Filesize
6.9MB

Download

Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads