njrat | 93acb9535c462ac183f0210a512a912040e4704d73fc5b10e7ff8069e1551414

General

Target

JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe
Size

157KB
MD5

ffa824237f259118c06d3b9f5ae4aa60
SHA1

316144e70077452e586aa94f238c224d0733283a
SHA256

93acb9535c462ac183f0210a512a912040e4704d73fc5b10e7ff8069e1551414
SHA512

9f38e15fb2ed11591d91915fb509ccdbab952f7ef349f3026ab719101255a0467f926c665d6c2b25bd9e356abad27bf9e9c21e2669c5fc843227fa5b5f28a4fe
SSDEEP

3072:l7qI/o7bD02U+jX6UB0dE6UvCGKowohV19QAqZvgc6ld:qr0j+D6U6pH49QtZ4rld

Score

10^/10

njrat discovery evasion persistence privilege_escalation trojan

Malware Config

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
2872	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2016	svhost.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\db5754702c7ea1fb1dd16941c9d3098e = "\"C:\\Windows\\svhost.exe\" .."	svhost.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\db5754702c7ea1fb1dd16941c9d3098e = "\"C:\\Windows\\svhost.exe\" .."	svhost.exe

Drops file in Windows directory 1 IoCs

description	ioc	Process
File created	C:\Windows\svhost.exe	JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.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	svhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe
Token: 33	2016	svhost.exe
Token: SeIncBasePriorityPrivilege	2016	svhost.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 768 wrote to memory of 2016	768	JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe	30
PID 768 wrote to memory of 2016	768	JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe	30
PID 768 wrote to memory of 2016	768	JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe	30
PID 768 wrote to memory of 2016	768	JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe	30
PID 2016 wrote to memory of 2872	2016	svhost.exe	31
PID 2016 wrote to memory of 2872	2016	svhost.exe	31
PID 2016 wrote to memory of 2872	2016	svhost.exe	31
PID 2016 wrote to memory of 2872	2016	svhost.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_ffa824237f259118c06d3b9f5ae4aa60.exe"
1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:768
- C:\Windows\svhost.exe
  "C:\Windows\svhost.exe"
  2⤵
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2016
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Windows\svhost.exe" "svhost.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2872

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:\Windows\svhost.exe

Filesize
157KB

MD5
ffa824237f259118c06d3b9f5ae4aa60

SHA1
316144e70077452e586aa94f238c224d0733283a

SHA256
93acb9535c462ac183f0210a512a912040e4704d73fc5b10e7ff8069e1551414

SHA512
9f38e15fb2ed11591d91915fb509ccdbab952f7ef349f3026ab719101255a0467f926c665d6c2b25bd9e356abad27bf9e9c21e2669c5fc843227fa5b5f28a4fe

Download Submit
memory/768-0-0x0000000074D51000-0x0000000074D52000-memory.dmp

Filesize
4KB

Download
memory/768-1-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/768-2-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download
memory/768-11-0x0000000074D50000-0x00000000752FB000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads