njrat | b52e16b631bdd93334a7fc621c9efb6b17bd3bb41e02b4728f3b187b27da53df

General

Target

LaucherSynapseV4.7z
Size

14KB
MD5

6a51bf0c7ed3fd5c2986d2ca98bdf995
SHA1

b8aa073566657c05dba53b0d61554b99cf6cb6a1
SHA256

b52e16b631bdd93334a7fc621c9efb6b17bd3bb41e02b4728f3b187b27da53df
SHA512

af48f8a73241d33ac51e3f0317e13b594b82f55444e9f04831b733ff7aa011a06b1e94a14b7c56e1cc754e1c3901111719f957f4d56f208436717c7d7a97433b
SSDEEP

384:5nQz4K8t9rZJnPn56Oq2tmIrTTHGcMmR4G2vErfQ2hi:l79t9rZJnPnoOqkmIrTTHGcM4fhi

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

im523

Botnet

HacKed

C2

7.tcp.eu.ngrok.io:9999

Mutex

1424bc7ca87eb46d8533045fc4efb564

Attributes

reg_key
1424bc7ca87eb46d8533045fc4efb564
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
3244	netsh.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation	LaucherSynapseV4.exe

Executes dropped EXE 2 IoCs

pid	Process
4312	LaucherSynapseV4.exe
2140	MovaviVideoEditor.exe

Legitimate hosting services abused for malware hosting/C2 1 TTPs 1 IoCs

Web Service

T1102

flow	ioc
25	7.tcp.eu.ngrok.io

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	LaucherSynapseV4.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MovaviVideoEditor.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 20 IoCs

description	pid	Process
Token: SeRestorePrivilege	4856	7zFM.exe
Token: 35	4856	7zFM.exe
Token: SeSecurityPrivilege	4856	7zFM.exe
Token: SeDebugPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe
Token: 33	2140	MovaviVideoEditor.exe
Token: SeIncBasePriorityPrivilege	2140	MovaviVideoEditor.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4856	7zFM.exe
4856	7zFM.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4312 wrote to memory of 2140	4312	LaucherSynapseV4.exe	88
PID 4312 wrote to memory of 2140	4312	LaucherSynapseV4.exe	88
PID 4312 wrote to memory of 2140	4312	LaucherSynapseV4.exe	88
PID 2140 wrote to memory of 3244	2140	MovaviVideoEditor.exe	93
PID 2140 wrote to memory of 3244	2140	MovaviVideoEditor.exe	93
PID 2140 wrote to memory of 3244	2140	MovaviVideoEditor.exe	93

C:\Program Files\7-Zip\7zFM.exe
"C:\Program Files\7-Zip\7zFM.exe" "C:\Users\Admin\AppData\Local\Temp\LaucherSynapseV4.7z"
1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
PID:4856

C:\Users\Admin\Desktop\LaucherSynapseV4.exe
"C:\Users\Admin\Desktop\LaucherSynapseV4.exe"
1⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4312
- C:\Users\Admin\AppData\Local\Temp\MovaviVideoEditor.exe
  "C:\Users\Admin\AppData\Local\Temp\MovaviVideoEditor.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2140
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\MovaviVideoEditor.exe" "MovaviVideoEditor.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3244

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Privilege Escalation

Create or Modify System Process

1

T1543

Windows Service

1

T1543.003

Event Triggered Execution

1

T1546

Netsh Helper DLL

1

T1546.007

Defense Evasion

Impair Defenses

1

T1562

Disable or Modify System Firewall

1

T1562.004

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Web Service

1

T1102

Exfiltration

Impact

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Downloads

C:\Users\Admin\Desktop\LaucherSynapseV4.exe

Filesize
37KB

MD5
b2714f8dee77a5efdbffd8b73bed8a63

SHA1
6253e684263ba2a24e78f3ad309840e9da57dac4

SHA256
1adad232b7bed378b4e05e519ea048bcaf60e5e675c91e26186f19ac0e5cf036

SHA512
1b632a85e8c4313da6311e3e71c43507d30979b8e77e81452ab6a19c73731436f52506d1c4fc0317f86993996241c7a8f8c7a312ef61c92dbda08cf360ff86ef

Download Submit
memory/2140-18-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2140-17-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2140-19-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2140-20-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/2140-21-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/4312-4-0x0000000075332000-0x0000000075333000-memory.dmp

Filesize
4KB

Download
memory/4312-5-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/4312-6-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download
memory/4312-16-0x0000000075330000-0x00000000758E1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads