njrat | 06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7

General

Target

06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe
Size

863KB
MD5

0c1dd5cc8d2c0450a84fb221c575f170
SHA1

66dbb24a53a4b28c80cd91283fa1028f4b4f98b9
SHA256

06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7
SHA512

b130e6fcfb05cbe71393b6a11957d1455e8daa499570dc79461c5cb0c853d66aca63f435da3606af51d6189ab229cc76bc3845cbb0eb22c73f198819f01da4f0
SSDEEP

12288:q4lsXvtCcmVVXzzn4PJAahPl/QEdIMiVbHydEIJnJWUgav7o6Fq9MmCS:q4lavt0LkLL9IMixoEgeajBFq9MmCS

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

Signatures

Njrat family
njrat

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe

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
1776	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	7069.exe

Executes dropped EXE 2 IoCs

pid	Process
4212	7069.exe
3700	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.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 4 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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	7069.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe
Token: 33	3700	server.exe
Token: SeIncBasePriorityPrivilege	3700	server.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1816 wrote to memory of 4212	1816	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe	82
PID 1816 wrote to memory of 4212	1816	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe	82
PID 1816 wrote to memory of 4212	1816	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe	82
PID 4212 wrote to memory of 3700	4212	7069.exe	89
PID 4212 wrote to memory of 3700	4212	7069.exe	89
PID 4212 wrote to memory of 3700	4212	7069.exe	89
PID 3700 wrote to memory of 1776	3700	server.exe	92
PID 3700 wrote to memory of 1776	3700	server.exe	92
PID 3700 wrote to memory of 1776	3700	server.exe	92

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe

C:\Users\Admin\AppData\Local\Temp\06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe
"C:\Users\Admin\AppData\Local\Temp\06d377125a4e24ce83f0f393808c341d6e5273923b21e6c98d5f91597ed2b0c7N.exe"
1⤵
- UAC bypass
- Checks computer location settings
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- System policy modification
PID:1816
- C:\Users\Admin\AppData\Local\Temp\7069\7069.exe
  "C:\Users\Admin\AppData\Local\Temp\7069\7069.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4212
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:3700
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:1776

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

3

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\7069\7069.exe

Filesize
23KB

MD5
87ecb116057477202650a2a1527a19db

SHA1
9b73ea528f3020eba4ebdc1a6d03ca62b9ba70e2

SHA256
94626eea10b73145b62654f4dcd1c2157137bf3a3abbbb666167f480e516976c

SHA512
2775e891a5f7cbab7d7f2847f424514ceebd1b3d6e0ae939db379bddc9eaec4cb207455c126646164951fed43585b93ae31b9a6957721255a7c413254ce11193

Download Submit
memory/3700-22-0x0000000073B00000-0x00000000740B1000-memory.dmp

Filesize
5.7MB

Download
memory/3700-23-0x0000000073B00000-0x00000000740B1000-memory.dmp

Filesize
5.7MB

Download
memory/3700-24-0x0000000073B00000-0x00000000740B1000-memory.dmp

Filesize
5.7MB

Download
memory/4212-9-0x0000000073B02000-0x0000000073B03000-memory.dmp

Filesize
4KB

Download
memory/4212-10-0x0000000073B00000-0x00000000740B1000-memory.dmp

Filesize
5.7MB

Download
memory/4212-11-0x0000000073B00000-0x00000000740B1000-memory.dmp

Filesize
5.7MB

Download
memory/4212-21-0x0000000073B00000-0x00000000740B1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads