njrat | 908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd

General

Target

908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe
Size

29KB
MD5

a3bebd489a0b4c4dce0673ef8b6b6754
SHA1

1767b75bb4a4d5dd8f4b06589b4544b89b774aa9
SHA256

908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd
SHA512

9d977a226f9b9ec2037d5bf272857a662af637ceb9b319d1fb048a923b29a893d01c3799f20595e3fb2fdb1eec96a82b26a69467b74791fa614d013306bba51d
SSDEEP

384:Y7hkrLGN8fNl7L5H4yAyr9n95/K4ZoumqDYcqeYtGBsbh0w4wlAokw9OhgOL1vYB:Y67R4yAy944Aq1qe5BKh0p29SgRN5

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

192.168.1.107:2278

Mutex

b3d7ad373951cd040fb05f6d6f5bf314

Attributes

reg_key
b3d7ad373951cd040fb05f6d6f5bf314
splitter
|'|'|

Signatures

Njrat family
njrat
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
2108	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
1412	winlog.exe

Loads dropped DLL 1 IoCs

pid	Process
2552	908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\b3d7ad373951cd040fb05f6d6f5bf314 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winlog.exe\" .."	winlog.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\b3d7ad373951cd040fb05f6d6f5bf314 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\winlog.exe\" .."	winlog.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	908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	winlog.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe
1412	winlog.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1412	winlog.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2552 wrote to memory of 1412	2552	908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe	30
PID 2552 wrote to memory of 1412	2552	908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe	30
PID 2552 wrote to memory of 1412	2552	908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe	30
PID 2552 wrote to memory of 1412	2552	908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe	30
PID 1412 wrote to memory of 2108	1412	winlog.exe	31
PID 1412 wrote to memory of 2108	1412	winlog.exe	31
PID 1412 wrote to memory of 2108	1412	winlog.exe	31
PID 1412 wrote to memory of 2108	1412	winlog.exe	31

C:\Users\Admin\AppData\Local\Temp\908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe
"C:\Users\Admin\AppData\Local\Temp\908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2552
- C:\Users\Admin\AppData\Local\Temp\winlog.exe
  "C:\Users\Admin\AppData\Local\Temp\winlog.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1412
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\winlog.exe" "winlog.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2108

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

System Information Discovery

1

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\winlog.exe

Filesize
29KB

MD5
a3bebd489a0b4c4dce0673ef8b6b6754

SHA1
1767b75bb4a4d5dd8f4b06589b4544b89b774aa9

SHA256
908225291224a1234122a141319807eba04040d97a311c0c0eacbb5591ff53fd

SHA512
9d977a226f9b9ec2037d5bf272857a662af637ceb9b319d1fb048a923b29a893d01c3799f20595e3fb2fdb1eec96a82b26a69467b74791fa614d013306bba51d

Download Submit
memory/1412-11-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1412-12-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1412-13-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1412-14-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/1412-15-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-0-0x0000000074921000-0x0000000074922000-memory.dmp

Filesize
4KB

Download
memory/2552-1-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-2-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download
memory/2552-10-0x0000000074920000-0x0000000074ECB000-memory.dmp

Filesize
5.7MB

Download

Resubmissions

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads