njrat | ed420bc743c754b80de8893dbc22f6c64630ae7fec697ce69ee95c1f0ed67168

General

Target

ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe
Size

23KB
MD5

f2c12d60565cc11e11247cef0381c91b
SHA1

da032f76b0930d85f58192a0494c7544dbdc51d7
SHA256

ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5
SHA512

a8dbd23a72ccbe3a590a5818084b934ba2436fdc9955916b26803281c1763ae27e742a58c05c1fec82abc60d9711e888bcfd9c0fcb048a9fa33836708aaa6a6f
SSDEEP

384:JslUlEvOEJ8xWwYJOMiOBZEdj1567gtwi5HhbQmRvR6JZlbw8hqIusZzZ6w:aeEvwIlLMRpcnuQ

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
1064	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-1-5-21-2412658365-3084825385-3340777666-1000\Control Panel\International\Geo\Nation	ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe

Executes dropped EXE 1 IoCs

pid	Process
3528	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-1-5-21-2412658365-3084825385-3340777666-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\0dc24807523d3cd24b54cd0996e4c49b = "\"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	ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.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 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe
Token: 33	3528	server.exe
Token: SeIncBasePriorityPrivilege	3528	server.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3076 wrote to memory of 3528	3076	ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe	93
PID 3076 wrote to memory of 3528	3076	ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe	93
PID 3076 wrote to memory of 3528	3076	ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe	93
PID 3528 wrote to memory of 1064	3528	server.exe	96
PID 3528 wrote to memory of 1064	3528	server.exe	96
PID 3528 wrote to memory of 1064	3528	server.exe	96

C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe
"C:\Users\Admin\AppData\Local\Temp\ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3076
- 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:3528
- - 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:1064

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
f2c12d60565cc11e11247cef0381c91b

SHA1
da032f76b0930d85f58192a0494c7544dbdc51d7

SHA256
ce4c2b9fcd5bfbbddcb097d7a23f3e6995b2e0f543448113cb7550f18a88a9d5

SHA512
a8dbd23a72ccbe3a590a5818084b934ba2436fdc9955916b26803281c1763ae27e742a58c05c1fec82abc60d9711e888bcfd9c0fcb048a9fa33836708aaa6a6f

Download Submit
memory/3076-0-0x0000000074A62000-0x0000000074A63000-memory.dmp

Filesize
4KB

Download
memory/3076-1-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3076-2-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3076-13-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3528-12-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download
memory/3528-14-0x0000000074A60000-0x0000000075011000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads