njrat | 7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cf

General

Target

7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe
Size

23KB
MD5

fc01a29bee55bf58758945cddf56dad0
SHA1

54fd66e7eb8b0b1733dec3f9d32b770974bd4f33
SHA256

7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cf
SHA512

608d6e12804491e8bd9b3d14ca91cef413c537571327c1d5dbab89a81661b2ca2ed5a3da0aaf2d425dae899f3bbf1b022b6446659f3698c225fb0afff5641de9
SSDEEP

384:KGwz6+T4IjWZFNwXU0eiNUBdvt6lgT+lLOhXxQmRvR6JZlbw8hqIusZzZu6+:uTbC81NgRpcnu1F

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
3140	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe

Executes dropped EXE 1 IoCs

pid	Process
3940	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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7e84dfb228de4058cabee7d368d90962 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7e84dfb228de4058cabee7d368d90962 = "\"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 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	7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.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 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe
Token: 33	3940	server.exe
Token: SeIncBasePriorityPrivilege	3940	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 5112 wrote to memory of 3940	5112	7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe	92
PID 5112 wrote to memory of 3940	5112	7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe	92
PID 5112 wrote to memory of 3940	5112	7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe	92
PID 3940 wrote to memory of 3140	3940	server.exe	95
PID 3940 wrote to memory of 3140	3940	server.exe	95
PID 3940 wrote to memory of 3140	3940	server.exe	95

C:\Users\Admin\AppData\Local\Temp\7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe
"C:\Users\Admin\AppData\Local\Temp\7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cfN.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5112
- 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:3940
- - 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:3140

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
fc01a29bee55bf58758945cddf56dad0

SHA1
54fd66e7eb8b0b1733dec3f9d32b770974bd4f33

SHA256
7f6be59e682bff9cccbcd92b8bbb9881c562461a616ef2d7e57a35dbc58a75cf

SHA512
608d6e12804491e8bd9b3d14ca91cef413c537571327c1d5dbab89a81661b2ca2ed5a3da0aaf2d425dae899f3bbf1b022b6446659f3698c225fb0afff5641de9

Download Submit
memory/3940-15-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3940-14-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3940-12-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/3940-16-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/5112-0-0x0000000075492000-0x0000000075493000-memory.dmp

Filesize
4KB

Download
memory/5112-1-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/5112-2-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download
memory/5112-13-0x0000000075490000-0x0000000075A41000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads