njrat | c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4

General

Target

c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe
Size

47KB
MD5

f5f85356ab9ad8e64d84eeef9afa06d0
SHA1

39b5de0326562f33bb9a731444a2ee77c6a9e7e0
SHA256

c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4
SHA512

574b343e66845a0c14d674ee90ff6c7d2adfe6f237d9a84cc58101f74a42b64d945e0a0dc67efcfa75dae27555c0752c9afd2635638112e5db8a4ceb8ccb5b66
SSDEEP

768:di7hoKoGJFNK4Aq1RehBKh0p29SgRdSb1jT8:o7hdKPg6KhG29jdS5n8

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
splitter
|'|'|

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
1540	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2140	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5cd8f17f4086744065eb0992a09e05a2 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\Trojan.exe\" .."	Trojan.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	c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Trojan.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 32 IoCs

pid	Process
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe
2140	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2140	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2792 wrote to memory of 2140	2792	c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe	30
PID 2792 wrote to memory of 2140	2792	c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe	30
PID 2792 wrote to memory of 2140	2792	c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe	30
PID 2792 wrote to memory of 2140	2792	c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe	30
PID 2140 wrote to memory of 1540	2140	Trojan.exe	31
PID 2140 wrote to memory of 1540	2140	Trojan.exe	31
PID 2140 wrote to memory of 1540	2140	Trojan.exe	31
PID 2140 wrote to memory of 1540	2140	Trojan.exe	31

C:\Users\Admin\AppData\Local\Temp\c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe
"C:\Users\Admin\AppData\Local\Temp\c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4N.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\Trojan.exe
  "C:\Users\Admin\AppData\Local\Temp\Trojan.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:2140
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\Trojan.exe" "Trojan.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:1540

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

\Users\Admin\AppData\Local\Temp\Trojan.exe

Filesize
47KB

MD5
f5f85356ab9ad8e64d84eeef9afa06d0

SHA1
39b5de0326562f33bb9a731444a2ee77c6a9e7e0

SHA256
c88f8b636c8ef318eb21f2b52170907ba066da5491013607974909f1d720f4a4

SHA512
574b343e66845a0c14d674ee90ff6c7d2adfe6f237d9a84cc58101f74a42b64d945e0a0dc67efcfa75dae27555c0752c9afd2635638112e5db8a4ceb8ccb5b66

Download Submit
memory/2140-12-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2140-10-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2140-13-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2140-14-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2140-15-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-0-0x00000000747F1000-0x00000000747F2000-memory.dmp

Filesize
4KB

Download
memory/2792-1-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-2-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download
memory/2792-11-0x00000000747F0000-0x0000000074D9B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads