njrat | 20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8

General

Target

20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8N.exe
Size

135KB
MD5

5944a57ec407064cc5151f690a4382d0
SHA1

8ddad85749c0d27636bd560d8228578747146cd8
SHA256

20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8
SHA512

e69c36b62516aae55af5fc7d1c3712266d25238b2ee320e08a397096d4c77f3c7e861600e59916f4a8087ce8d2c6c5b91db35223240ec1379fd63171f6798a86
SSDEEP

1536:PC+EK/Ni4mT4s/ncQg93CVpqL22nIebr7uwCCyrAK9AGTr1U+VFco8sm3pKZZtC+:0cNRs/nbgZwY22zbeAcAGT2+QotTjBoK

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
4396	netsh.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8N.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	gggdggg.exe

Executes dropped EXE 2 IoCs

pid	Process
3528	gggdggg.exe
740	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-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\279f6960ed84a752570aca7fb2dc1552 = "\"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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	gggdggg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious use of AdjustPrivilegeToken 27 IoCs

description	pid	Process
Token: SeDebugPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe
Token: 33	740	server.exe
Token: SeIncBasePriorityPrivilege	740	server.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1928 wrote to memory of 3528	1928	20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8N.exe	83
PID 1928 wrote to memory of 3528	1928	20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8N.exe	83
PID 1928 wrote to memory of 3528	1928	20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8N.exe	83
PID 3528 wrote to memory of 740	3528	gggdggg.exe	88
PID 3528 wrote to memory of 740	3528	gggdggg.exe	88
PID 3528 wrote to memory of 740	3528	gggdggg.exe	88
PID 740 wrote to memory of 4396	740	server.exe	92
PID 740 wrote to memory of 4396	740	server.exe	92
PID 740 wrote to memory of 4396	740	server.exe	92

C:\Users\Admin\AppData\Local\Temp\20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8N.exe
"C:\Users\Admin\AppData\Local\Temp\20cef431aae4d318b4ceff66ffc674c078c2dc63e5788b15c26d5ce4be388dc8N.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1928
- C:\Users\Admin\AppData\Local\Temp\gggdggg.exe
  "C:\Users\Admin\AppData\Local\Temp\gggdggg.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3528
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:740
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:4396

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\gggdggg.exe

Filesize
23KB

MD5
b0b85bfca63883d245c4834357cec7ae

SHA1
6bf82cd93a32ca03eafeef76b735bae1ea3d05f2

SHA256
792b0dd50370efbdaadc2e1b9c71ed81c4219982357cbfa559a4494797b7585c

SHA512
7b44fce09e9325c34ab3c3d122fdc82a10a5931df3305e1e44bb005da738aa872f88f16d7df340cb777efc24bf265f0c6e1a4a72a8ee729b9f2bf6792e9bd75c

Download Submit
memory/740-63-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/740-62-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/740-61-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/740-59-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/1928-15-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-11-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-29-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-27-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-25-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-33-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-45-0x00007FF810D30000-0x00007FF8116D1000-memory.dmp

Filesize
9.6MB

Download
memory/1928-21-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-46-0x00007FF810D30000-0x00007FF8116D1000-memory.dmp

Filesize
9.6MB

Download
memory/1928-19-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-17-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-0-0x00007FF810FE5000-0x00007FF810FE6000-memory.dmp

Filesize
4KB

Download
memory/1928-13-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-31-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-9-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-5-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-1-0x00007FF810D30000-0x00007FF8116D1000-memory.dmp

Filesize
9.6MB

Download
memory/1928-4-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-35-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-23-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/1928-2-0x000000001BC90000-0x000000001C15E000-memory.dmp

Filesize
4.8MB

Download
memory/1928-3-0x000000001C160000-0x000000001C194000-memory.dmp

Filesize
208KB

Download
memory/1928-7-0x000000001C160000-0x000000001C18F000-memory.dmp

Filesize
188KB

Download
memory/3528-60-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3528-49-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3528-48-0x0000000074F70000-0x0000000075521000-memory.dmp

Filesize
5.7MB

Download
memory/3528-47-0x0000000074F72000-0x0000000074F73000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads