njrat | c8040e6ffc9e5ed025b71836587e3d4a5f5504794be0d22f93151ccdef43d409

General

Target

JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.exe
Size

29KB
MD5

61253a78535c707c1c10e69ce2c87be0
SHA1

c1ad89f04c310ae31bfb59d65e84388a07f253c3
SHA256

c8040e6ffc9e5ed025b71836587e3d4a5f5504794be0d22f93151ccdef43d409
SHA512

1042a427252ea0532eb08a4032d98e810c1d5048064d2b3485869b95be508c8c98d6a4db929aba8fa9b6e6959178001d8056c03c88c55220ef98595b8e6886b7
SSDEEP

768:7x77Kk4XeP/Fzsq+xre6BKh0p29SgRtS:R7K7W4zx3KhG29jtS

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

HacKed

C2

black-hacker.no-ip.biz:1177

Mutex

5cd8f17f4086744065eb0992a09e05a2

Attributes

reg_key
5cd8f17f4086744065eb0992a09e05a2
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
2852	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2072	Trojan.exe

Loads dropped DLL 1 IoCs

pid	Process
2496	JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.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-1-5-21-312935884-697965778-3955649944-1000\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	JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.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 39 IoCs

pid	Process
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe
2072	Trojan.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2072	Trojan.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2496 wrote to memory of 2072	2496	JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.exe	30
PID 2496 wrote to memory of 2072	2496	JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.exe	30
PID 2496 wrote to memory of 2072	2496	JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.exe	30
PID 2496 wrote to memory of 2072	2496	JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.exe	30
PID 2072 wrote to memory of 2852	2072	Trojan.exe	31
PID 2072 wrote to memory of 2852	2072	Trojan.exe	31
PID 2072 wrote to memory of 2852	2072	Trojan.exe	31
PID 2072 wrote to memory of 2852	2072	Trojan.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_61253a78535c707c1c10e69ce2c87be0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2496
- 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:2072
- - 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:2852

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\Trojan.exe

Filesize
29KB

MD5
61253a78535c707c1c10e69ce2c87be0

SHA1
c1ad89f04c310ae31bfb59d65e84388a07f253c3

SHA256
c8040e6ffc9e5ed025b71836587e3d4a5f5504794be0d22f93151ccdef43d409

SHA512
1042a427252ea0532eb08a4032d98e810c1d5048064d2b3485869b95be508c8c98d6a4db929aba8fa9b6e6959178001d8056c03c88c55220ef98595b8e6886b7

Download Submit
memory/2072-11-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2072-12-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2072-13-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2496-0-0x0000000074251000-0x0000000074252000-memory.dmp

Filesize
4KB

Download
memory/2496-1-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2496-2-0x0000000074250000-0x00000000747FB000-memory.dmp

Filesize
5.7MB

Download
memory/2496-10-0x0000000074250000-0x00000000747FB000-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