njrat | 857c0557be413c9659bd43033085ff241ddb5c89f4a0cef4ad200878b4f43368

Analysis

max time kernel
150s
max time network
145s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
11-09-2024 01:58

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
Size

78KB
MD5

d9692372935af6488f394ac6bb54abcd
SHA1

e027975d43f867f7f975ab70931c4dedfc34fcbe
SHA256

857c0557be413c9659bd43033085ff241ddb5c89f4a0cef4ad200878b4f43368
SHA512

d5194a7affb374418597656e399680058c80462ee8e3d7875d09e33362bd3506ddc8e16d623528378cda6947c09b40fbe8bc05de319c4c0c1cc800ab5da6daa2
SSDEEP

1536:+EXJoENDDVGHIdsF16EczfDO8JNGPfRYZMw/y0K/Kq:+sJoIdsF16zJJNGnRYZJa0K/Kq

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

107.150.12.44:14532

Mutex

9e12b36449cc78d34159a3c000b6fc6a

Attributes

reg_key
9e12b36449cc78d34159a3c000b6fc6a
splitter
|'|'|

Signatures

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\D6d8nqI7\\REBtPLd.exe,explorer.exe"	reg.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\shell = "C:\\Users\\Admin\\AppData\\Roaming\\D6d8nqI7\\REBtPLd.exe,explorer.exe"	reg.exe

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
860	netsh.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-786284298-625481688-3210388970-1000\Control Panel\International\Geo\Nation	server.exe

Executes dropped EXE 3 IoCs

pid	Process
208	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
320	server.exe
4244	server.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-1-5-21-786284298-625481688-3210388970-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\9e12b36449cc78d34159a3c000b6fc6a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\9e12b36449cc78d34159a3c000b6fc6a = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 320 set thread context of 4244	320	server.exe	94

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 9 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	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
320	server.exe
320	server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
Token: SeDebugPrivilege	320	server.exe
Token: SeDebugPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe
Token: 33	4244	server.exe
Token: SeIncBasePriorityPrivilege	4244	server.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4864 wrote to memory of 3448	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	86
PID 4864 wrote to memory of 3448	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	86
PID 4864 wrote to memory of 3448	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	86
PID 3448 wrote to memory of 4528	3448	cmd.exe	88
PID 3448 wrote to memory of 4528	3448	cmd.exe	88
PID 3448 wrote to memory of 4528	3448	cmd.exe	88
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 4864 wrote to memory of 208	4864	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	89
PID 208 wrote to memory of 320	208	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	90
PID 208 wrote to memory of 320	208	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	90
PID 208 wrote to memory of 320	208	d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe	90
PID 320 wrote to memory of 4688	320	server.exe	91
PID 320 wrote to memory of 4688	320	server.exe	91
PID 320 wrote to memory of 4688	320	server.exe	91
PID 4688 wrote to memory of 3348	4688	cmd.exe	93
PID 4688 wrote to memory of 3348	4688	cmd.exe	93
PID 4688 wrote to memory of 3348	4688	cmd.exe	93
PID 320 wrote to memory of 4244	320	server.exe	94
PID 320 wrote to memory of 4244	320	server.exe	94
PID 320 wrote to memory of 4244	320	server.exe	94
PID 320 wrote to memory of 4244	320	server.exe	94
PID 320 wrote to memory of 4244	320	server.exe	94
PID 320 wrote to memory of 4244	320	server.exe	94
PID 320 wrote to memory of 4244	320	server.exe	94
PID 320 wrote to memory of 4244	320	server.exe	94
PID 4244 wrote to memory of 860	4244	server.exe	95
PID 4244 wrote to memory of 860	4244	server.exe	95
PID 4244 wrote to memory of 860	4244	server.exe	95

C:\Users\Admin\AppData\Local\Temp\d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4864
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\D6d8nqI7\REBtPLd.exe,explorer.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:3448
- - C:\Windows\SysWOW64\reg.exe
    reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\D6d8nqI7\REBtPLd.exe,explorer.exe"
    3⤵
    - Modifies WinLogon for persistence
    - System Location Discovery: System Language Discovery
    PID:4528
- C:\Users\Admin\AppData\Local\Temp\d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:208
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Checks computer location settings
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:320
  - - C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\D6d8nqI7\REBtPLd.exe,explorer.exe"
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious use of WriteProcessMemory
      PID:4688
    - - C:\Windows\SysWOW64\reg.exe
        
        reg add "HKCU\Software\Microsoft\Windows NT\CurrentVersion\Winlogon" /f /v shell /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\D6d8nqI7\REBtPLd.exe,explorer.exe"
        5⤵
        Modifies WinLogon for persistence
        System Location Discovery: System Language Discovery
        
        PID:3348
  - - C:\Users\Admin\AppData\Local\Temp\server.exe
      "C:\Users\Admin\AppData\Local\Temp\server.exe"
      4⤵
      Executes dropped EXE
      Adds Run key to start application
      System Location Discovery: System Language Discovery
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4244
    - - C:\Windows\SysWOW64\netsh.exe
        
        netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
        5⤵
        Modifies Windows Firewall
        Event Triggered Execution: Netsh Helper DLL
        System Location Discovery: System Language Discovery
        
        PID:860

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Create or Modify System Process

T1543

Windows Service

T1543.003

Event Triggered Execution

T1546

Netsh Helper DLL

T1546.007

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\d9692372935af6488f394ac6bb54abcd_JaffaCakes118.exe

Filesize
78KB

MD5
d9692372935af6488f394ac6bb54abcd

SHA1
e027975d43f867f7f975ab70931c4dedfc34fcbe

SHA256
857c0557be413c9659bd43033085ff241ddb5c89f4a0cef4ad200878b4f43368

SHA512
d5194a7affb374418597656e399680058c80462ee8e3d7875d09e33362bd3506ddc8e16d623528378cda6947c09b40fbe8bc05de319c4c0c1cc800ab5da6daa2

Download Submit
C:\Users\Admin\AppData\Roaming\D6d8nqI7\REBtPLd.exe.lnk

Filesize
926B

MD5
c38a2234b6e9b9ad65ea71fe209e7360

SHA1
eca7d7b42394ecedccb2fd30dfca2086d1bb8dd4

SHA256
4c12e82bb6f19c8146adc8f2d59e69b55037c3562e9cebc88cc13d345ff33b32

SHA512
fb1f38d62fcc2769e99fe0f6f8ccb29a8ca3f0602ee5919a93b1d3ca7cd068cc0aab830f6d73c4369f280cdf8e5bbbd007d5627cd55def5b620bcc4b66fca21e

Download Submit
memory/208-11-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/208-12-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/208-26-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/320-25-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/320-34-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/4244-32-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/4864-0-0x0000000074A52000-0x0000000074A53000-memory.dmp

Filesize
4KB

Download
memory/4864-1-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/4864-2-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download
memory/4864-10-0x0000000074A50000-0x0000000075001000-memory.dmp

Filesize
5.7MB

Download