njrat | 91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d

General

Target

91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe
Size

172KB
MD5

31a3740cc99c9c07023248be02963fc6
SHA1

cd340fa1b4cffa7735d82ae67e3aeebad82b0d4f
SHA256

91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d
SHA512

7a5e0a4665c9b4e1ba3c3720e06eac96655ee80d2e6d6773eddfc570da1b58cde702c719a48e09ce9f65a94de61d3dce48153e7b5beebc8619e0cda67171649d
SSDEEP

3072:PFBUIROK34+J5ra0/B6yNpa8/vqgI2pb5LgaTc6Pg/CcZLoKy5o++e1:PFBpIK5GeNA8nhpb/cx/CvKy5o+j1

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

karimpiratage.ddns.net:1177

Mutex

38c561b772ad19a01872b80289465369

Attributes

reg_key
38c561b772ad19a01872b80289465369
splitter
|'|'|

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

Processes:

netsh.exe

pid	Process
3676	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

Processes:

91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe

Executes dropped EXE 1 IoCs

Processes:

HHE.exe

pid	Process
556	HHE.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

Processes:

netsh.exe

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

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

Processes:

91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exeHHE.exenetsh.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	HHE.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

HHE.exe

description	pid	Process
Token: SeDebugPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe
Token: 33	556	HHE.exe
Token: SeIncBasePriorityPrivilege	556	HHE.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exeHHE.exe

description	pid	Process	procid_target
PID 4884 wrote to memory of 556	4884	91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe	93
PID 4884 wrote to memory of 556	4884	91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe	93
PID 4884 wrote to memory of 556	4884	91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe	93
PID 556 wrote to memory of 3676	556	HHE.exe	98
PID 556 wrote to memory of 3676	556	HHE.exe	98
PID 556 wrote to memory of 3676	556	HHE.exe	98

C:\Users\Admin\AppData\Local\Temp\91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe
"C:\Users\Admin\AppData\Local\Temp\91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4884
- C:\Users\Admin\AppData\Local\Temp\HHE.exe
  "C:\Users\Admin\AppData\Local\Temp\HHE.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:556
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\HHE.exe" "HHE.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:3676

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\HHE.exe

Filesize
172KB

MD5
31a3740cc99c9c07023248be02963fc6

SHA1
cd340fa1b4cffa7735d82ae67e3aeebad82b0d4f

SHA256
91be234780a5b85a0f22073f970a6ecd45fcaa0c3e7f78ff151962f66f9d846d

SHA512
7a5e0a4665c9b4e1ba3c3720e06eac96655ee80d2e6d6773eddfc570da1b58cde702c719a48e09ce9f65a94de61d3dce48153e7b5beebc8619e0cda67171649d

Download Submit
memory/556-25-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/556-24-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/556-23-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/556-22-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4884-3-0x0000000005710000-0x00000000057A2000-memory.dmp

Filesize
584KB

Download
memory/4884-6-0x00000000056F0000-0x00000000056FC000-memory.dmp

Filesize
48KB

Download
memory/4884-7-0x0000000005910000-0x000000000591C000-memory.dmp

Filesize
48KB

Download
memory/4884-8-0x00000000059C0000-0x0000000005A5C000-memory.dmp

Filesize
624KB

Download
memory/4884-5-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4884-21-0x0000000074900000-0x00000000750B0000-memory.dmp

Filesize
7.7MB

Download
memory/4884-4-0x00000000056E0000-0x00000000056EA000-memory.dmp

Filesize
40KB

Download
memory/4884-0-0x000000007490E000-0x000000007490F000-memory.dmp

Filesize
4KB

Download
memory/4884-2-0x0000000005C20000-0x00000000061C4000-memory.dmp

Filesize
5.6MB

Download
memory/4884-1-0x0000000000CA0000-0x0000000000CD0000-memory.dmp

Filesize
192KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads