njrat | 9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5

General

Target

9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe
Size

33KB
MD5

89b59f712fc271a7ea93d447a3cc93c0
SHA1

44781d6057f7165508fd2127e9bee36622fc1586
SHA256

9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5
SHA512

91f08e0a11a44d0085ce2aa7eda8cb556510032ab2c2a61a6834e629dde973271d018add27df0b05f2fd7df0177298711f5caeb8db97d9640e6b93fe1b137ced
SSDEEP

384:A8aY1ia0N/IH+WUiWiLcXyUTly2Rc87po6ngB8W+tqlf5mRvR6JZlbw8hqIusZzo:F1Re/E+WUiW6ci6NR7tZRpcnuUUFP

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
4352	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-1-5-21-3350944739-639801879-157714471-1000\Control Panel\International\Geo\Nation	9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c20b8e85844937959c801a053d8106ad.exe	FbSmartChatBoxr.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c20b8e85844937959c801a053d8106ad.exe	FbSmartChatBoxr.exe

Executes dropped EXE 1 IoCs

pid	Process
2304	FbSmartChatBoxr.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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c20b8e85844937959c801a053d8106ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FbSmartChatBoxr.exe\" .."	FbSmartChatBoxr.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c20b8e85844937959c801a053d8106ad = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\FbSmartChatBoxr.exe\" .."	FbSmartChatBoxr.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	9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FbSmartChatBoxr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe
Token: 33	2304	FbSmartChatBoxr.exe
Token: SeIncBasePriorityPrivilege	2304	FbSmartChatBoxr.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2468 wrote to memory of 2304	2468	9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe	86
PID 2468 wrote to memory of 2304	2468	9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe	86
PID 2468 wrote to memory of 2304	2468	9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe	86
PID 2304 wrote to memory of 4352	2304	FbSmartChatBoxr.exe	87
PID 2304 wrote to memory of 4352	2304	FbSmartChatBoxr.exe	87
PID 2304 wrote to memory of 4352	2304	FbSmartChatBoxr.exe	87

C:\Users\Admin\AppData\Local\Temp\9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe
"C:\Users\Admin\AppData\Local\Temp\9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2468
- C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe
  "C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.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:2304
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\FbSmartChatBoxr.exe" "FbSmartChatBoxr.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4352

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\FbSmartChatBoxr.exe

Filesize
33KB

MD5
89b59f712fc271a7ea93d447a3cc93c0

SHA1
44781d6057f7165508fd2127e9bee36622fc1586

SHA256
9a646486e8f48e6cbf92b22761e68e242fb06e447fd82bfb58de11e8956184f5

SHA512
91f08e0a11a44d0085ce2aa7eda8cb556510032ab2c2a61a6834e629dde973271d018add27df0b05f2fd7df0177298711f5caeb8db97d9640e6b93fe1b137ced

Download Submit
memory/2304-12-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2304-14-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2304-16-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2304-17-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2468-0-0x0000000074BF2000-0x0000000074BF3000-memory.dmp

Filesize
4KB

Download
memory/2468-1-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2468-2-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download
memory/2468-13-0x0000000074BF0000-0x00000000751A1000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads