njrat | 733630124879ab8da173406f52bde6c9e97711075f670d814458607089484dfe

General

Target
6FF2AC241C8931FF123F993F39768655.exe
Size 23KB
Sample240723-kr54dsxdpe
SHA256 733630124879ab8da173406f52bde6c9e97711075f670d814458607089484dfe
MD5 6ff2ac241c8931ff123f993f39768655
SHA1 a6b296cefec45928154762b4446afbbd27a36925
SHA512 3acd00fdd40a4a49656252e29283c7537857df12cd2c6a488513c71c54dab707a2fdcc4e604931fedb909e99a3cf968cffdee2ad36898e18381def9c873eae25
SSDEEP 384:OzcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZuV:OI30py6vhxaRpcnuB
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

njrat 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
1496	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-1-5-21-2990742725-2267136959-192470804-1000\Control Panel\International\Geo\Nation	6FF2AC241C8931FF123F993F39768655.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0624860fa806af32d62c5910019216a8.exe	sofftware.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\0624860fa806af32d62c5910019216a8.exe	sofftware.exe

Executes dropped EXE 1 IoCs

pid	Process
2356	sofftware.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-1-5-21-2990742725-2267136959-192470804-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0624860fa806af32d62c5910019216a8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sofftware.exe\" .."	sofftware.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0624860fa806af32d62c5910019216a8 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\sofftware.exe\" .."	sofftware.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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe
Token: 33	2356	sofftware.exe
Token: SeIncBasePriorityPrivilege	2356	sofftware.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 2356	1676	6FF2AC241C8931FF123F993F39768655.exe	92
PID 1676 wrote to memory of 2356	1676	6FF2AC241C8931FF123F993F39768655.exe	92
PID 1676 wrote to memory of 2356	1676	6FF2AC241C8931FF123F993F39768655.exe	92
PID 2356 wrote to memory of 1496	2356	sofftware.exe	95
PID 2356 wrote to memory of 1496	2356	sofftware.exe	95
PID 2356 wrote to memory of 1496	2356	sofftware.exe	95

C:\Users\Admin\AppData\Local\Temp\6FF2AC241C8931FF123F993F39768655.exe
"C:\Users\Admin\AppData\Local\Temp\6FF2AC241C8931FF123F993F39768655.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\sofftware.exe
  "C:\Users\Admin\AppData\Local\Temp\sofftware.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2356
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\sofftware.exe" "sofftware.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    PID:1496

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

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

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

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

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

sofftware.exe

Path C:\Users\Admin\AppData\Local\Temp\sofftware.exe
Size 23KB
SHA256 733630124879ab8da173406f52bde6c9e97711075f670d814458607089484dfe
MD5 6ff2ac241c8931ff123f993f39768655
SHA1 a6b296cefec45928154762b4446afbbd27a36925
SHA512 3acd00fdd40a4a49656252e29283c7537857df12cd2c6a488513c71c54dab707a2fdcc4e604931fedb909e99a3cf968cffdee2ad36898e18381def9c873eae25
SSDEEP 384:OzcqbCK0l4h7o9SVyDGvENuh46/gJkOmMSW38mRvR6JZlbw8hqIusZzZuV:OI30py6vhxaRpcnuB
MD5 SHA1 SHA512 SSDEEP

Submit Download

memory/1676-0-0x00000000751E2000-0x00000000751E3000-memory.dmp

Download

memory/1676-1-0x00000000751E0000-0x0000000075791000-memory.dmp

Download

memory/1676-2-0x00000000751E0000-0x0000000075791000-memory.dmp

Download

memory/1676-12-0x00000000751E0000-0x0000000075791000-memory.dmp

Download

memory/2356-13-0x00000000751E0000-0x0000000075791000-memory.dmp

Download

memory/2356-14-0x00000000751E0000-0x0000000075791000-memory.dmp

Download

memory/2356-16-0x00000000751E0000-0x0000000075791000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads