njrat | 5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e

General

Target

5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe
Size

23KB
MD5

6afd95aa91ddadc278caef8a74595d74
SHA1

98c70ac893bd8248625f4c4d89f34aefbadd0110
SHA256

5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e
SHA512

a6deca0c50d21b3411567b9502ba813e938e754494a88b7440def04d70bf33b8168a605e18f51fe69efbf4bb4a8aa8c30bac5d6e72d82f7acebfaa102712b3bb
SSDEEP

384:lc6CqbFYh3odrVCGiHssDB4b6i6fgpEupNXRmRvR6JZlbw8hqIusZzZU/D:mIU0tw3RpcnuND

Score

10^/10

njrat windows discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Windows

C2

phh79b4.localto.net:6732

Mutex

8ca7039ed784ff0b410de529abc3d36d

Attributes

reg_key
8ca7039ed784ff0b410de529abc3d36d
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

pid	Process
2992	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8ca7039ed784ff0b410de529abc3d36d.exe	Microsoft.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\8ca7039ed784ff0b410de529abc3d36d.exe	Microsoft.exe

Executes dropped EXE 1 IoCs

pid	Process
2924	Microsoft.exe

Loads dropped DLL 1 IoCs

pid	Process
1148	5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\8ca7039ed784ff0b410de529abc3d36d = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft.exe\" .."	Microsoft.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\8ca7039ed784ff0b410de529abc3d36d = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft.exe\" .."	Microsoft.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	Microsoft.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe
Token: 33	2924	Microsoft.exe
Token: SeIncBasePriorityPrivilege	2924	Microsoft.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 1148 wrote to memory of 2924	1148	5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe	28
PID 1148 wrote to memory of 2924	1148	5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe	28
PID 1148 wrote to memory of 2924	1148	5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe	28
PID 1148 wrote to memory of 2924	1148	5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe	28
PID 2924 wrote to memory of 2992	2924	Microsoft.exe	29
PID 2924 wrote to memory of 2992	2924	Microsoft.exe	29
PID 2924 wrote to memory of 2992	2924	Microsoft.exe	29
PID 2924 wrote to memory of 2992	2924	Microsoft.exe	29

C:\Users\Admin\AppData\Local\Temp\5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe
"C:\Users\Admin\AppData\Local\Temp\5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1148
- C:\Users\Admin\AppData\Roaming\Microsoft.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2924
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Microsoft.exe" "Microsoft.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2992

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

System Information Discovery

1

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

\Users\Admin\AppData\Roaming\Microsoft.exe

Filesize
23KB

MD5
6afd95aa91ddadc278caef8a74595d74

SHA1
98c70ac893bd8248625f4c4d89f34aefbadd0110

SHA256
5074c977130c720dfe63b113372dc8a824f314832f007fb0ef9a955e80b3227e

SHA512
a6deca0c50d21b3411567b9502ba813e938e754494a88b7440def04d70bf33b8168a605e18f51fe69efbf4bb4a8aa8c30bac5d6e72d82f7acebfaa102712b3bb

Download Submit
memory/1148-0-0x0000000074821000-0x0000000074822000-memory.dmp

Filesize
4KB

Download
memory/1148-1-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/1148-2-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/1148-10-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/2924-11-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/2924-12-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download
memory/2924-14-0x0000000074820000-0x0000000074DCB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads