njrat | fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5

General

Target

fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe
Size

156KB
MD5

b87aa0f6b533ae72773df492f73fc103
SHA1

d6f0ee5e26a27b36d6be3b3a67c0e12639b650c6
SHA256

fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5
SHA512

341c43eaca5f9cf9cb1f1cba0a9f405d19934a3d133ce84c758045932652879be269c520131029029aad4df7af57b699b961f6c820a9ed61092eb19280127666
SSDEEP

3072:BwRgFDQSaXbvLNAaOo2DUUw3MUPNVX8Q+3:2RcaXbLdOomv/0bn

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
2700	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a22f17eb506a9e8a3c4c2b2064ce5f95.exe	firefox.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\a22f17eb506a9e8a3c4c2b2064ce5f95.exe	firefox.exe

Executes dropped EXE 1 IoCs

pid	Process
2452	firefox.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\a22f17eb506a9e8a3c4c2b2064ce5f95 = "\"C:\\Windows\\firefox.exe\" .."	firefox.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\a22f17eb506a9e8a3c4c2b2064ce5f95 = "\"C:\\Windows\\firefox.exe\" .."	firefox.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\firefox.exe	fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.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	fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	firefox.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe
Token: 33	2452	firefox.exe
Token: SeIncBasePriorityPrivilege	2452	firefox.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 3024 wrote to memory of 2452	3024	fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe	31
PID 3024 wrote to memory of 2452	3024	fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe	31
PID 3024 wrote to memory of 2452	3024	fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe	31
PID 3024 wrote to memory of 2452	3024	fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe	31
PID 2452 wrote to memory of 2700	2452	firefox.exe	32
PID 2452 wrote to memory of 2700	2452	firefox.exe	32
PID 2452 wrote to memory of 2700	2452	firefox.exe	32
PID 2452 wrote to memory of 2700	2452	firefox.exe	32

C:\Users\Admin\AppData\Local\Temp\fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe
"C:\Users\Admin\AppData\Local\Temp\fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Windows\firefox.exe
  "C:\Windows\firefox.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:2452
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\firefox.exe" "firefox.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2700

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

C:\Windows\firefox.exe

Filesize
156KB

MD5
b87aa0f6b533ae72773df492f73fc103

SHA1
d6f0ee5e26a27b36d6be3b3a67c0e12639b650c6

SHA256
fc8001d8cd8308ef3fe660bb5cd20920a038b091b6aff202281060199453cdf5

SHA512
341c43eaca5f9cf9cb1f1cba0a9f405d19934a3d133ce84c758045932652879be269c520131029029aad4df7af57b699b961f6c820a9ed61092eb19280127666

Download Submit
memory/2452-9-0x0000000074FA0000-0x000000007554B000-memory.dmp

Filesize
5.7MB

Download
memory/2452-10-0x0000000074FA0000-0x000000007554B000-memory.dmp

Filesize
5.7MB

Download
memory/2452-13-0x0000000074FA0000-0x000000007554B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-0-0x0000000074FA1000-0x0000000074FA2000-memory.dmp

Filesize
4KB

Download
memory/3024-1-0x0000000074FA0000-0x000000007554B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-2-0x0000000074FA0000-0x000000007554B000-memory.dmp

Filesize
5.7MB

Download
memory/3024-11-0x0000000074FA0000-0x000000007554B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads