njrat | 04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393

General

Target

04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe
Size

23KB
MD5

1705fb075c2e1cead24ac0c108779fe0
SHA1

b2a85c7a68becaefc93bb24962ccca9805b2ddf9
SHA256

04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393
SHA512

349bc1c8773d20a2bd50d20cf5b3a197cd3571bd2d8fc1bdf511891beafdaf388ff8e926f7a0ab5043f38d11d078ee00ee010ddb4f8fbf38857e20a0ea5e0994
SSDEEP

384:RI2SUwXh0ZbAzlRGCvkodj46hgHK0hrV5mRvR6JZlbw8hqIusZzZ3p:mbhEkdvXRpcnuK

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
336	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe

Executes dropped EXE 1 IoCs

pid	Process
1228	lsass.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	04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	lsass.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe
Token: 33	1228	lsass.exe
Token: SeIncBasePriorityPrivilege	1228	lsass.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1792 wrote to memory of 1228	1792	04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe	82
PID 1792 wrote to memory of 1228	1792	04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe	82
PID 1792 wrote to memory of 1228	1792	04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe	82
PID 1228 wrote to memory of 336	1228	lsass.exe	83
PID 1228 wrote to memory of 336	1228	lsass.exe	83
PID 1228 wrote to memory of 336	1228	lsass.exe	83

C:\Users\Admin\AppData\Local\Temp\04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe
"C:\Users\Admin\AppData\Local\Temp\04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1792
- C:\Users\Admin\lsass.exe
  "C:\Users\Admin\lsass.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1228
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\lsass.exe" "lsass.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:336

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\lsass.exe

Filesize
23KB

MD5
1705fb075c2e1cead24ac0c108779fe0

SHA1
b2a85c7a68becaefc93bb24962ccca9805b2ddf9

SHA256
04bcdc341ca55c01016d38a3e896fe33c86e044cbc944afdd5f5b0ccb3ca9393

SHA512
349bc1c8773d20a2bd50d20cf5b3a197cd3571bd2d8fc1bdf511891beafdaf388ff8e926f7a0ab5043f38d11d078ee00ee010ddb4f8fbf38857e20a0ea5e0994

Download Submit
memory/1228-23-0x00000000746F0000-0x0000000074CA1000-memory.dmp

Filesize
5.7MB

Download
memory/1228-21-0x00000000746F0000-0x0000000074CA1000-memory.dmp

Filesize
5.7MB

Download
memory/1228-24-0x00000000746F0000-0x0000000074CA1000-memory.dmp

Filesize
5.7MB

Download
memory/1792-0-0x00000000746F2000-0x00000000746F3000-memory.dmp

Filesize
4KB

Download
memory/1792-1-0x00000000746F0000-0x0000000074CA1000-memory.dmp

Filesize
5.7MB

Download
memory/1792-2-0x00000000746F0000-0x0000000074CA1000-memory.dmp

Filesize
5.7MB

Download
memory/1792-22-0x00000000746F0000-0x0000000074CA1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads