njrat | 3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6

General

Target

3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe
Size

32KB
MD5

491b2cc22402cd5000aa30bb3944567a
SHA1

b3f35dd837911e016e78a1ee9c4b24001760ced4
SHA256

3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6
SHA512

4d387fa3ef471f357975dd63c39fd2466e98652d99e94208a6299857b1eb6caa641940833435468fcc3f2d17dbff7fcf60aa06d9f857f6fdc10affceffd604b9
SSDEEP

384:4G5o4U+mVQQyQJsixtePRuRMNFPIk+TWq4lDModg9TdFpyFEIGsJjwE7UMcrie4J:RuV4kteSspiouDbEEIGfRL+f

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

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
4524	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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe

Executes dropped EXE 1 IoCs

pid	Process
3636	Virus.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	3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Virus.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe
Token: 33	3636	Virus.exe
Token: SeIncBasePriorityPrivilege	3636	Virus.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2600 wrote to memory of 3636	2600	3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe	82
PID 2600 wrote to memory of 3636	2600	3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe	82
PID 2600 wrote to memory of 3636	2600	3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe	82
PID 3636 wrote to memory of 4524	3636	Virus.exe	88
PID 3636 wrote to memory of 4524	3636	Virus.exe	88
PID 3636 wrote to memory of 4524	3636	Virus.exe	88

C:\Users\Admin\AppData\Local\Temp\3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe
"C:\Users\Admin\AppData\Local\Temp\3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2600
- C:\Users\Admin\AppData\Local\Temp\Virus.exe
  "C:\Users\Admin\AppData\Local\Temp\Virus.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3636
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Virus.exe" "Virus.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4524

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:\Users\Admin\AppData\Local\Temp\Virus.exe

Filesize
32KB

MD5
491b2cc22402cd5000aa30bb3944567a

SHA1
b3f35dd837911e016e78a1ee9c4b24001760ced4

SHA256
3e1e4faf11d4ea1f0be8e16658685f524fad1d5b464857422b88bbbacc878ab6

SHA512
4d387fa3ef471f357975dd63c39fd2466e98652d99e94208a6299857b1eb6caa641940833435468fcc3f2d17dbff7fcf60aa06d9f857f6fdc10affceffd604b9

Download Submit
memory/2600-0-0x00000000752C2000-0x00000000752C3000-memory.dmp

Filesize
4KB

Download
memory/2600-1-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/2600-2-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/2600-12-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3636-13-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3636-14-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download
memory/3636-15-0x00000000752C0000-0x0000000075871000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads