njrat | a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879

General

Target

a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe
Size

201KB
MD5

9f1255300e275f25013d90993b4e326a
SHA1

b2cf1e825fecab4b44a2bb21256d25229e459732
SHA256

a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879
SHA512

ea8502c08d2f06e828e401bfcee1702244a6594eadf95d159d5af9280a40c1adb0fd019f15aeb864538691247c6df5e11dd5ce86bafef5dd49f2f2eacac9a99e
SSDEEP

6144:o4DpCY2GhN5TMQEZckZOWf/XEX1Bl+DT6:oK2iNmQEdZOWf/cbl+v6

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2012	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\02934f9c06d0b6525074e50ebcb17b4f.exe	Chrome.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\02934f9c06d0b6525074e50ebcb17b4f.exe	Chrome.exe

Executes dropped EXE 1 IoCs

pid	Process
3448	Chrome.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\Chrome.exe	a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Chrome.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe
Token: 33	3448	Chrome.exe
Token: SeIncBasePriorityPrivilege	3448	Chrome.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3520 wrote to memory of 3448	3520	a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe	87
PID 3520 wrote to memory of 3448	3520	a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe	87
PID 3520 wrote to memory of 3448	3520	a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe	87
PID 3448 wrote to memory of 2012	3448	Chrome.exe	90
PID 3448 wrote to memory of 2012	3448	Chrome.exe	90
PID 3448 wrote to memory of 2012	3448	Chrome.exe	90

C:\Users\Admin\AppData\Local\Temp\a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe
"C:\Users\Admin\AppData\Local\Temp\a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879.exe"
1⤵
- Checks computer location settings
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520
- C:\Windows\Chrome.exe
  "C:\Windows\Chrome.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3448
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\Chrome.exe" "Chrome.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2012

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

Exfiltration

Impact

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Downloads

C:\Windows\Chrome.exe

Filesize
201KB

MD5
9f1255300e275f25013d90993b4e326a

SHA1
b2cf1e825fecab4b44a2bb21256d25229e459732

SHA256
a6a6cad52f790838dca0f625f830a8529d26481f47cd4ea9273361ee246ae879

SHA512
ea8502c08d2f06e828e401bfcee1702244a6594eadf95d159d5af9280a40c1adb0fd019f15aeb864538691247c6df5e11dd5ce86bafef5dd49f2f2eacac9a99e

Download Submit
memory/3448-16-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3448-18-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3520-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

Filesize
4KB

Download
memory/3520-1-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3520-2-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/3520-15-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads