njrat | bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063

General

Target

bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe
Size

23KB
MD5

b71d1c2b3678ffbf530d0253379febc0
SHA1

71fb2a454ffc903f2a5de5c68d71852d9b7b361b
SHA256

bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063
SHA512

e7c54e2777a40ad3053f896e3de592b168f2750811276bacd2b2b23f77887f643881b48ae52076bdef33d762348be1627b60c9b3c89f97e6438d23eb525b942c
SSDEEP

384:awTSiYWD2Z7w3CsJeiecwJ3fw6FgzeAh33RtmRvR6JZlbw8hqIusZzZxV/j:5vZiBK1edJRpcnuYl

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
4316	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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe

Executes dropped EXE 1 IoCs

pid	Process
5096	WindowsDefender.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\b7eb86012438665b417c92deefecaa88 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsDefender.exe\" .."	WindowsDefender.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\b7eb86012438665b417c92deefecaa88 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\WindowsDefender.exe\" .."	WindowsDefender.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	bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WindowsDefender.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe
Token: 33	5096	WindowsDefender.exe
Token: SeIncBasePriorityPrivilege	5096	WindowsDefender.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1000 wrote to memory of 5096	1000	bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe	92
PID 1000 wrote to memory of 5096	1000	bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe	92
PID 1000 wrote to memory of 5096	1000	bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe	92
PID 5096 wrote to memory of 4316	5096	WindowsDefender.exe	95
PID 5096 wrote to memory of 4316	5096	WindowsDefender.exe	95
PID 5096 wrote to memory of 4316	5096	WindowsDefender.exe	95

C:\Users\Admin\AppData\Local\Temp\bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe
"C:\Users\Admin\AppData\Local\Temp\bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1000
- C:\Users\Admin\AppData\Local\Temp\WindowsDefender.exe
  "C:\Users\Admin\AppData\Local\Temp\WindowsDefender.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:5096
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\WindowsDefender.exe" "WindowsDefender.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4316

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\WindowsDefender.exe

Filesize
23KB

MD5
b71d1c2b3678ffbf530d0253379febc0

SHA1
71fb2a454ffc903f2a5de5c68d71852d9b7b361b

SHA256
bbe408f935e2b4a54b0a22ebcb1746fa567016e00652a66b79c8d257afc37063

SHA512
e7c54e2777a40ad3053f896e3de592b168f2750811276bacd2b2b23f77887f643881b48ae52076bdef33d762348be1627b60c9b3c89f97e6438d23eb525b942c

Download Submit
memory/1000-0-0x0000000074E92000-0x0000000074E93000-memory.dmp

Filesize
4KB

Download
memory/1000-1-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1000-2-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/1000-13-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/5096-12-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/5096-14-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/5096-15-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download
memory/5096-16-0x0000000074E90000-0x0000000075441000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads