njrat | 5b4d450dadcc844a63ef29f7ce4cdcecd659a5a35ae189d69344a5206a4fad87

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
29/07/2024, 23:59

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General

Target
68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
Size 78KB
Sample240729-3154vsxekm
SHA256 5b4d450dadcc844a63ef29f7ce4cdcecd659a5a35ae189d69344a5206a4fad87
MD5 68da0020a1104d5e1315c25556f4268e
SHA1 0372071deef91291ec7fac9cba5e2cdce0c26f63
SHA512 5796835001de41fbd7c3937c159bcbbaffc05403ea123d4cd00d996eb1c1117ac98214edd381b45557357cb0d839d245bfc1d7279b8daae06761c357f26e3798
SSDEEP 1536:x0/WHuFbd/ZNOR2ENnp+0TyCMepr8uAwzHyHrB8JNcvfOYZtIiPHTC:xC5FbdRoRfNp+cpMG82zQrWJNcXOYZ2f
MD5 SHA1 SHA512 SSDEEP

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-1-5-21-464762018-485119342-1613148473-1000\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-1-5-21-464762018-485119342-1613148473-1000\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
952	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-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
Key value queried	\REGISTRY\USER\S-1-5-21-464762018-485119342-1613148473-1000\Control Panel\International\Geo\Nation	server.exe

Executes dropped EXE 3 IoCs

pid	Process
4768	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
4128	server.exe
2832	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-1-5-21-464762018-485119342-1613148473-1000\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 4012 set thread context of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4128 set thread context of 2832	4128	server.exe	103

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	reg.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.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	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
4128	server.exe
4128	server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
Token: SeDebugPrivilege	4128	server.exe
Token: SeDebugPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe
Token: 33	2832	server.exe
Token: SeIncBasePriorityPrivilege	2832	server.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4012 wrote to memory of 2248	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	88
PID 4012 wrote to memory of 2248	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	88
PID 4012 wrote to memory of 2248	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	88
PID 2248 wrote to memory of 3724	2248	cmd.exe	90
PID 2248 wrote to memory of 3724	2248	cmd.exe	90
PID 2248 wrote to memory of 3724	2248	cmd.exe	90
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4012 wrote to memory of 4768	4012	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	91
PID 4768 wrote to memory of 4128	4768	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	97
PID 4768 wrote to memory of 4128	4768	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	97
PID 4768 wrote to memory of 4128	4768	68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe	97
PID 4128 wrote to memory of 5092	4128	server.exe	100
PID 4128 wrote to memory of 5092	4128	server.exe	100
PID 4128 wrote to memory of 5092	4128	server.exe	100
PID 5092 wrote to memory of 4864	5092	cmd.exe	102
PID 5092 wrote to memory of 4864	5092	cmd.exe	102
PID 5092 wrote to memory of 4864	5092	cmd.exe	102
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 4128 wrote to memory of 2832	4128	server.exe	103
PID 2832 wrote to memory of 952	2832	server.exe	104
PID 2832 wrote to memory of 952	2832	server.exe	104
PID 2832 wrote to memory of 952	2832	server.exe	104

C:\Users\Admin\AppData\Local\Temp\68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\68da0020a1104d5e1315c25556f4268e_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:4012
- 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:2248
- - 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:3724
- C:\Users\Admin\AppData\Local\Temp\68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
  "C:\Users\Admin\AppData\Local\Temp\68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4768
- - 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:4128
  - - 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:5092
    - - 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:4864
  - - 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:2832
    - - 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:952

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

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Downloads

68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe

Path C:\Users\Admin\AppData\Local\Temp\68da0020a1104d5e1315c25556f4268e_JaffaCakes118.exe
Size 78KB
SHA256 5b4d450dadcc844a63ef29f7ce4cdcecd659a5a35ae189d69344a5206a4fad87
MD5 68da0020a1104d5e1315c25556f4268e
SHA1 0372071deef91291ec7fac9cba5e2cdce0c26f63
SHA512 5796835001de41fbd7c3937c159bcbbaffc05403ea123d4cd00d996eb1c1117ac98214edd381b45557357cb0d839d245bfc1d7279b8daae06761c357f26e3798
SSDEEP 1536:x0/WHuFbd/ZNOR2ENnp+0TyCMepr8uAwzHyHrB8JNcvfOYZtIiPHTC:xC5FbdRoRfNp+cpMG82zQrWJNcXOYZ2f
MD5 SHA1 SHA512 SSDEEP

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REBtPLd.exe.lnk

Path C:\Users\Admin\AppData\Roaming\D6d8nqI7\REBtPLd.exe.lnk
Size 926B
SHA256 762b6d45b288eef885963e61b524c05af8d3c612c590b4521ab158ac74f8f399
MD5 91cba2e1875f8118db0755a2fec6cfbd
SHA1 fbe02477844cdb2c30b29904f1417dc5bff53bac
SHA512 b3071feba9951feaa633f1ec915c53c9cfc83d691c8f824dfb717a9dfcbd87057dd2e367b3173b6e8b2ba69891b814f8277c4858020ce0a1f34238efc1a4fe07
MD5 SHA1 SHA512

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memory/4012-0-0x0000000074842000-0x0000000074843000-memory.dmp

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memory/4012-1-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/4012-2-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/4012-10-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/4128-26-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/4128-34-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/4768-8-0x0000000000400000-0x000000000040C000-memory.dmp

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memory/4768-11-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/4768-12-0x0000000074840000-0x0000000074DF1000-memory.dmp

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memory/4768-25-0x0000000074840000-0x0000000074DF1000-memory.dmp

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