njrat | f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6

General

Target

f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe
Size

698KB
MD5

5588995bafbfef1866fb110db534239a
SHA1

64a06074f98c6b0d103f2c6849768aa3ef5f4a59
SHA256

f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6
SHA512

ab6de29b94def87fa2faee4a3a25b647400c9d5e14f604f0cb20b9db375ddd308375f16d14d1bce799c078890abef99c579dc850e7687e3dedfb7f7f1214bf95
SSDEEP

3072:Y2JN+n6fW/m4mwp+P+GP2PnP4gfpHPxARHIPAIh1+P4PVoguv+OWRvp5XWe45GQf:Y

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
4396	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	f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe

Executes dropped EXE 1 IoCs

pid	Process
2140	System.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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key queried	\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	f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	System.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe
Token: 33	2140	System.exe
Token: SeIncBasePriorityPrivilege	2140	System.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 2140	4612	f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe	91
PID 4612 wrote to memory of 2140	4612	f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe	91
PID 4612 wrote to memory of 2140	4612	f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe	91
PID 2140 wrote to memory of 4396	2140	System.exe	95
PID 2140 wrote to memory of 4396	2140	System.exe	95
PID 2140 wrote to memory of 4396	2140	System.exe	95

C:\Users\Admin\AppData\Local\Temp\f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe
"C:\Users\Admin\AppData\Local\Temp\f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Users\Admin\AppData\Local\Temp\System.exe
  "C:\Users\Admin\AppData\Local\Temp\System.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\System.exe" "System.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4396

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\System.exe

Filesize
698KB

MD5
5588995bafbfef1866fb110db534239a

SHA1
64a06074f98c6b0d103f2c6849768aa3ef5f4a59

SHA256
f014c3c7f1b1d9b831fcd81ab97a7508b6f5b1c290f1bd4b7aeaea2657998bc6

SHA512
ab6de29b94def87fa2faee4a3a25b647400c9d5e14f604f0cb20b9db375ddd308375f16d14d1bce799c078890abef99c579dc850e7687e3dedfb7f7f1214bf95

Download Submit
memory/2140-17-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-18-0x0000000004EB0000-0x0000000004F42000-memory.dmp

Filesize
584KB

Download
memory/2140-19-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-20-0x0000000004E10000-0x0000000004E1A000-memory.dmp

Filesize
40KB

Download
memory/2140-21-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/2140-22-0x0000000074840000-0x0000000074FF0000-memory.dmp

Filesize
7.7MB

Download
memory/4612-0-0x000000007484E000-0x000000007484F000-memory.dmp

Filesize
4KB

Download
memory/4612-1-0x0000000000350000-0x0000000000406000-memory.dmp

Filesize
728KB

Download
memory/4612-2-0x0000000004E30000-0x0000000004ECC000-memory.dmp

Filesize
624KB

Download
memory/4612-3-0x0000000002700000-0x000000000270E000-memory.dmp

Filesize
56KB

Download
memory/4612-4-0x0000000005590000-0x0000000005B34000-memory.dmp

Filesize
5.6MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads