njrat | 75821bd23bd87bb60913be5c4995b046abd08044cd07d3c4727dd0c297d2708a

General

Target

JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
Size

69KB
MD5

178048e50c27c7b07b07267852da6766
SHA1

539fa175f2f67fff86ebe5563b63a3980d7604e0
SHA256

75821bd23bd87bb60913be5c4995b046abd08044cd07d3c4727dd0c297d2708a
SHA512

c2ec0bc439741c617113b164650129c75a81f09963ecabd4d457e8232e2c559595fc9b2bf2a83bee6510e1dd28b4d874a4dfcc98649ef2eab308670f8afc9bbf
SSDEEP

1536:W2I+k/D0y3eJG53G73mxdvd0x1muYO5OuSr9/fO5CWey:W2I+k/D0y32GhNvOauTwlAIVy

Score

10^/10

njrat west-k.s.a @discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

WeSt-K.S.A @

C2

127.0.0.1:5551

Mutex

0f436963af986f0915e6f175d79d7302

Attributes

reg_key
0f436963af986f0915e6f175d79d7302
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
2696	netsh.exe

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 value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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_178048e50c27c7b07b07267852da6766.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2684 wrote to memory of 2696	2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe	30
PID 2684 wrote to memory of 2696	2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe	30
PID 2684 wrote to memory of 2696	2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe	30
PID 2684 wrote to memory of 2696	2684	JaffaCakes118_178048e50c27c7b07b07267852da6766.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178048e50c27c7b07b07267852da6766.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178048e50c27c7b07b07267852da6766.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2684
- C:\Windows\SysWOW64\netsh.exe
  netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_178048e50c27c7b07b07267852da6766.exe" "JaffaCakes118_178048e50c27c7b07b07267852da6766.exe" ENABLE
  2⤵
  - Modifies Windows Firewall
  - Event Triggered Execution: Netsh Helper DLL
  - System Location Discovery: System Language Discovery
  PID:2696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

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

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

1

T1562.004

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2684-0-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2684-1-0x00000000008A0000-0x00000000008B8000-memory.dmp

Filesize
96KB

Download
memory/2684-2-0x0000000000820000-0x000000000082E000-memory.dmp

Filesize
56KB

Download
memory/2684-3-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-4-0x00000000749EE000-0x00000000749EF000-memory.dmp

Filesize
4KB

Download
memory/2684-5-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-6-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download
memory/2684-7-0x00000000749E0000-0x00000000750CE000-memory.dmp

Filesize
6.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads