njrat | 88ca79c718f3f881dee6e611bede6f508bb4ad1914c7dbf0546af22524b71d82

General

Target

JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.exe
Size

23KB
MD5

68a39cf8442aacbc6bf955f1c4cf2e90
SHA1

68d17ca7dad1bebd01721585b04896cf2269c88b
SHA256

88ca79c718f3f881dee6e611bede6f508bb4ad1914c7dbf0546af22524b71d82
SHA512

7177bb5fb73b8f9aabc9588fabc2834b74aa7fb00ad56b17ad45e0018ef2db4a56e304e43e6510183dde0d5a6f914b9e3c1904ca1abb807cf14b0eac2e2f78fc
SSDEEP

384:Nc6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZmKI:ne9EJLN/yRpcnuT

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hussein1889.no-ip.biz:1177

Mutex

5a9ec245d72f27eba6af8c0e2d494050

Attributes

reg_key
5a9ec245d72f27eba6af8c0e2d494050
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
2820	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
768	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2984	JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.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-1-5-21-1488793075-819845221-1497111674-1000\Software\Microsoft\Windows\CurrentVersion\Run\5a9ec245d72f27eba6af8c0e2d494050 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5a9ec245d72f27eba6af8c0e2d494050 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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 queried	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh	netsh.exe
Key opened	\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_68a39cf8442aacbc6bf955f1c4cf2e90.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe
Token: 33	768	server.exe
Token: SeIncBasePriorityPrivilege	768	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2984 wrote to memory of 768	2984	JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.exe	31
PID 2984 wrote to memory of 768	2984	JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.exe	31
PID 2984 wrote to memory of 768	2984	JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.exe	31
PID 2984 wrote to memory of 768	2984	JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.exe	31
PID 768 wrote to memory of 2820	768	server.exe	32
PID 768 wrote to memory of 2820	768	server.exe	32
PID 768 wrote to memory of 2820	768	server.exe	32
PID 768 wrote to memory of 2820	768	server.exe	32

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_68a39cf8442aacbc6bf955f1c4cf2e90.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2984
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.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:768
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2820

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\server.exe

Filesize
23KB

MD5
68a39cf8442aacbc6bf955f1c4cf2e90

SHA1
68d17ca7dad1bebd01721585b04896cf2269c88b

SHA256
88ca79c718f3f881dee6e611bede6f508bb4ad1914c7dbf0546af22524b71d82

SHA512
7177bb5fb73b8f9aabc9588fabc2834b74aa7fb00ad56b17ad45e0018ef2db4a56e304e43e6510183dde0d5a6f914b9e3c1904ca1abb807cf14b0eac2e2f78fc

Download Submit
memory/768-12-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/768-10-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/768-13-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2984-0-0x00000000741F1000-0x00000000741F2000-memory.dmp

Filesize
4KB

Download
memory/2984-1-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2984-2-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2984-11-0x00000000741F0000-0x000000007479B000-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