njrat | dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815

General

Target

dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe
Size

23KB
MD5

e3c46c4883a0472325f6330b85706d90
SHA1

8c021f55a4d61816213b1dac220cfe85ce98451d
SHA256

dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815
SHA512

326bc3d37437cd752b867f493b1d099e0535d0b8ee038581a8ade75fcb10d0ad53890df1823285ca2df14d196342764326c6a172479fd9f96c4127236d422e71
SSDEEP

384:8oWtkEwn65rgjAsGipk55D16xgXakhbZD0mRvR6JZlbw8hqIusZzZIh:r7O89p2rRpcnuP

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
4208	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-1-5-21-2629364133-3182087385-364449604-1000\Control Panel\International\Geo\Nation	dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe

Executes dropped EXE 1 IoCs

pid	Process
1008	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-1-5-21-2629364133-3182087385-364449604-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"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 queried	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe
Token: 33	1008	server.exe
Token: SeIncBasePriorityPrivilege	1008	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4400 wrote to memory of 1008	4400	dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe	91
PID 4400 wrote to memory of 1008	4400	dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe	91
PID 4400 wrote to memory of 1008	4400	dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe	91
PID 1008 wrote to memory of 4208	1008	server.exe	95
PID 1008 wrote to memory of 4208	1008	server.exe	95
PID 1008 wrote to memory of 4208	1008	server.exe	95

C:\Users\Admin\AppData\Local\Temp\dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe
"C:\Users\Admin\AppData\Local\Temp\dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815N.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4400
- 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:1008
- - 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:4208

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
e3c46c4883a0472325f6330b85706d90

SHA1
8c021f55a4d61816213b1dac220cfe85ce98451d

SHA256
dd08c6e70c10263a9d89aa1583877ff17cff4f1c6bd9131184c878f0f840d815

SHA512
326bc3d37437cd752b867f493b1d099e0535d0b8ee038581a8ade75fcb10d0ad53890df1823285ca2df14d196342764326c6a172479fd9f96c4127236d422e71

Download Submit
memory/1008-12-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/1008-14-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/1008-15-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/1008-16-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/4400-0-0x0000000075162000-0x0000000075163000-memory.dmp

Filesize
4KB

Download
memory/4400-1-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/4400-2-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download
memory/4400-13-0x0000000075160000-0x0000000075711000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads