njrat | b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163

General

Target

b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe
Size

23KB
MD5

721020604870e1f7c83c27ea1eb0fa91
SHA1

d8e778096cbf5c2af4e121ea76eac0c8dd523937
SHA256

b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163
SHA512

c51ab5286585ccc697226e40008e82929049f29a3e1a1f62259efdaba31f9dfcf02642df2b490d5fa4dce97fd8b579a60f1e555591dcfbb1e84c799ccfa502a4
SSDEEP

384:7oWSkWHa55BgDVRGipkItzY6vZg36Eh7FpmRvR6JZlbw8hqIusZzZrRk:UJuk9pHRpcnu4K

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
4940	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-1-5-21-656926755-4116854191-210765258-1000\Control Panel\International\Geo\Nation	b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c8dd732f2b05016dcf1d715ae5c01daf.exe	Ssvchost.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\c8dd732f2b05016dcf1d715ae5c01daf.exe	Ssvchost.exe

Executes dropped EXE 1 IoCs

pid	Process
2268	Ssvchost.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\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\c8dd732f2b05016dcf1d715ae5c01daf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ssvchost.exe\" .."	Ssvchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-656926755-4116854191-210765258-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\c8dd732f2b05016dcf1d715ae5c01daf = "\"C:\\Users\\Admin\\AppData\\Roaming\\Ssvchost.exe\" .."	Ssvchost.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	b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Ssvchost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe
Token: 33	2268	Ssvchost.exe
Token: SeIncBasePriorityPrivilege	2268	Ssvchost.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1276 wrote to memory of 2268	1276	b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe	82
PID 1276 wrote to memory of 2268	1276	b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe	82
PID 1276 wrote to memory of 2268	1276	b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe	82
PID 2268 wrote to memory of 4940	2268	Ssvchost.exe	88
PID 2268 wrote to memory of 4940	2268	Ssvchost.exe	88
PID 2268 wrote to memory of 4940	2268	Ssvchost.exe	88

C:\Users\Admin\AppData\Local\Temp\b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe
"C:\Users\Admin\AppData\Local\Temp\b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1276
- C:\Users\Admin\AppData\Roaming\Ssvchost.exe
  "C:\Users\Admin\AppData\Roaming\Ssvchost.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:2268
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Ssvchost.exe" "Ssvchost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:4940

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\Roaming\Ssvchost.exe

Filesize
23KB

MD5
721020604870e1f7c83c27ea1eb0fa91

SHA1
d8e778096cbf5c2af4e121ea76eac0c8dd523937

SHA256
b697861cc38f600c83f679c0b8fa3347bf5f869d89465c07101c92a5eb5f8163

SHA512
c51ab5286585ccc697226e40008e82929049f29a3e1a1f62259efdaba31f9dfcf02642df2b490d5fa4dce97fd8b579a60f1e555591dcfbb1e84c799ccfa502a4

Download Submit
memory/1276-0-0x0000000075472000-0x0000000075473000-memory.dmp

Filesize
4KB

Download
memory/1276-1-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1276-2-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/1276-13-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2268-12-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2268-14-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2268-15-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2268-17-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download
memory/2268-18-0x0000000075470000-0x0000000075A21000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads