njrat | 07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7

Reason

Machine shutdown

General

Target

07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe
Size

23KB
MD5

ec75ebe27e799d342656c20e8acfb660
SHA1

9a3e545fdb9c6933ccf6f7b3b50f14c8aea81543
SHA256

07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7
SHA512

372d733a6833287b5e6f7b4a3eabe2aad69b2199cfecad2dde2e31a0454db2d38b16075dab670c95f6f4e4d043bf10ee3a1ce5ec28fa3ba4676eeeb116e41cd9
SSDEEP

384:+Y324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZj14:hL2s+tRyRpcnup

Score

10^/10

njrat defense_evasion discovery persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat

Modifies Windows Firewall 2 TTPs 1 IoCs

defense_evasion

Windows Service

T1543.003

Disable or Modify System Firewall

T1562.004

pid	Process
8	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-1-5-21-2211717155-842865201-3404093980-1000\Control Panel\International\Geo\Nation	07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe

Executes dropped EXE 1 IoCs

pid	Process
3248	server.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-1-5-21-2211717155-842865201-3404093980-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\5db5b878fdb8adf72347d50abd574104 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\5db5b878fdb8adf72347d50abd574104 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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	07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeDebugPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe
Token: 33	3248	server.exe
Token: SeIncBasePriorityPrivilege	3248	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2680 wrote to memory of 3248	2680	07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe	86
PID 2680 wrote to memory of 3248	2680	07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe	86
PID 2680 wrote to memory of 3248	2680	07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe	86
PID 3248 wrote to memory of 8	3248	server.exe	87
PID 3248 wrote to memory of 8	3248	server.exe	87
PID 3248 wrote to memory of 8	3248	server.exe	87

C:\Users\Admin\AppData\Local\Temp\07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe
"C:\Users\Admin\AppData\Local\Temp\07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2680
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3248
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:8

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

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\server.exe

Filesize
23KB

MD5
ec75ebe27e799d342656c20e8acfb660

SHA1
9a3e545fdb9c6933ccf6f7b3b50f14c8aea81543

SHA256
07b9ce773877dcf2c130d5e44c604acb77b5bc3a062a5662eac4281ad0c3e8e7

SHA512
372d733a6833287b5e6f7b4a3eabe2aad69b2199cfecad2dde2e31a0454db2d38b16075dab670c95f6f4e4d043bf10ee3a1ce5ec28fa3ba4676eeeb116e41cd9

Download Submit
memory/2680-0-0x0000000075442000-0x0000000075443000-memory.dmp

Filesize
4KB

Download
memory/2680-1-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/2680-2-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/2680-12-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3248-13-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3248-14-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3248-15-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download
memory/3248-16-0x0000000075440000-0x00000000759F1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads