njrat | 92a20fe6a9c19857f452666fe6eb1912ac3ce2b890e44a6487f1421b28bd9030

General

Target

JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.exe
Size

41KB
MD5

677071f559c7cad4c313a22be5a4ee40
SHA1

cbe0a5797421ece9f03b7a6b9879a2c434e536e3
SHA256

92a20fe6a9c19857f452666fe6eb1912ac3ce2b890e44a6487f1421b28bd9030
SHA512

b25400b12bee8f9001847758a77d7a124b20261f56dd5047419a2d4286f3f06673d228ae24fc87b3f76d5d6def1b677d741a814b1a6ae08361917c65a4b42734
SSDEEP

768:47bUw2C3kEcqNreHBKh0p29SgRI7UfVZYqPHo56:47bq7sKKhG29jI7eNI5

Score

10^/10

njrat file discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.6.4

Botnet

file

C2

taqtaq1.no-ip.biz:1177

Mutex

6390c2943d950e4a4a77855a54076f71

Attributes

reg_key
6390c2943d950e4a4a77855a54076f71
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
2432	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2760	program.exe

Loads dropped DLL 1 IoCs

pid	Process
2160	JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.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\6390c2943d950e4a4a77855a54076f71 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\program.exe\" .."	program.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\6390c2943d950e4a4a77855a54076f71 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\program.exe\" .."	program.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_677071f559c7cad4c313a22be5a4ee40.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	program.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 38 IoCs

pid	Process
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe
2760	program.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	program.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2160 wrote to memory of 2760	2160	JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.exe	30
PID 2160 wrote to memory of 2760	2160	JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.exe	30
PID 2160 wrote to memory of 2760	2160	JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.exe	30
PID 2160 wrote to memory of 2760	2160	JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.exe	30
PID 2760 wrote to memory of 2432	2760	program.exe	31
PID 2760 wrote to memory of 2432	2760	program.exe	31
PID 2760 wrote to memory of 2432	2760	program.exe	31
PID 2760 wrote to memory of 2432	2760	program.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_677071f559c7cad4c313a22be5a4ee40.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\program.exe
  "C:\Users\Admin\AppData\Local\Temp\program.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:2760
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\program.exe" "program.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2432

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\program.exe

Filesize
41KB

MD5
677071f559c7cad4c313a22be5a4ee40

SHA1
cbe0a5797421ece9f03b7a6b9879a2c434e536e3

SHA256
92a20fe6a9c19857f452666fe6eb1912ac3ce2b890e44a6487f1421b28bd9030

SHA512
b25400b12bee8f9001847758a77d7a124b20261f56dd5047419a2d4286f3f06673d228ae24fc87b3f76d5d6def1b677d741a814b1a6ae08361917c65a4b42734

Download Submit
memory/2160-0-0x0000000074891000-0x0000000074892000-memory.dmp

Filesize
4KB

Download
memory/2160-1-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2160-3-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2160-10-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-13-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-12-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-11-0x0000000074890000-0x0000000074E3B000-memory.dmp

Filesize
5.7MB

Download
memory/2760-14-0x0000000074890000-0x0000000074E3B000-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