njrat | f0ff3cd04741d04ea8fca4e11816c256ccae2769cabf036e2474170c4d480c4d

General

Target

JaffaCakes118_69ad791bb214be03ea3be990957f53c0.exe
Size

23KB
MD5

69ad791bb214be03ea3be990957f53c0
SHA1

31b3fe77bd7e105e40cec15d55ef9ee59aa75f2f
SHA256

f0ff3cd04741d04ea8fca4e11816c256ccae2769cabf036e2474170c4d480c4d
SHA512

d6727ecf8c8ce1b23ab8dbcc36db1ab95f2b5e9d23508fd26548abc542fb348f24951dbf54dc5a7fd94d4803d42bb59b33f991b8045a125e2c6cf50b7592719d
SSDEEP

384:H8aLWS0dABLYVq6RxP8MDFF09vK563gRMmJKUv0mRvR6JZlbw8hqIusZzZbDlU:8Xcwt3tRpcnuSi

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

127.0.0.1:1177

Mutex

212683d986fb740ad6a40184df48e604

Attributes

reg_key
212683d986fb740ad6a40184df48e604
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
2712	netsh.exe

Executes dropped EXE 1 IoCs

pid	Process
2060	server.exe

Loads dropped DLL 1 IoCs

pid	Process
2056	JaffaCakes118_69ad791bb214be03ea3be990957f53c0.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-1-5-21-3290804112-2823094203-3137964600-1000\Software\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\212683d986fb740ad6a40184df48e604 = "\"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 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_69ad791bb214be03ea3be990957f53c0.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	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe
Token: 33	2060	server.exe
Token: SeIncBasePriorityPrivilege	2060	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2056 wrote to memory of 2060	2056	JaffaCakes118_69ad791bb214be03ea3be990957f53c0.exe	30
PID 2056 wrote to memory of 2060	2056	JaffaCakes118_69ad791bb214be03ea3be990957f53c0.exe	30
PID 2056 wrote to memory of 2060	2056	JaffaCakes118_69ad791bb214be03ea3be990957f53c0.exe	30
PID 2056 wrote to memory of 2060	2056	JaffaCakes118_69ad791bb214be03ea3be990957f53c0.exe	30
PID 2060 wrote to memory of 2712	2060	server.exe	31
PID 2060 wrote to memory of 2712	2060	server.exe	31
PID 2060 wrote to memory of 2712	2060	server.exe	31
PID 2060 wrote to memory of 2712	2060	server.exe	31

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ad791bb214be03ea3be990957f53c0.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_69ad791bb214be03ea3be990957f53c0.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2056
- 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:2060
- - 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:2712

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
69ad791bb214be03ea3be990957f53c0

SHA1
31b3fe77bd7e105e40cec15d55ef9ee59aa75f2f

SHA256
f0ff3cd04741d04ea8fca4e11816c256ccae2769cabf036e2474170c4d480c4d

SHA512
d6727ecf8c8ce1b23ab8dbcc36db1ab95f2b5e9d23508fd26548abc542fb348f24951dbf54dc5a7fd94d4803d42bb59b33f991b8045a125e2c6cf50b7592719d

Download Submit
memory/2056-0-0x0000000074191000-0x0000000074192000-memory.dmp

Filesize
4KB

Download
memory/2056-1-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2056-2-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2056-10-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-13-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-12-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-11-0x0000000074190000-0x000000007473B000-memory.dmp

Filesize
5.7MB

Download
memory/2060-14-0x0000000074190000-0x000000007473B000-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