njrat | 2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210

General

Target

2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
Size

882KB
MD5

b062843886327f817d7cefb5f611a15e
SHA1

cdfab7d0a25683e0a5c78646f8ab01a66ce68b0a
SHA256

2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210
SHA512

15912eb2fc004c8b39b5b087c91b60554ca6c34e43ddf8688e8d36dac657c0186608142899d779e592ad24d38fc3314a10155175e0a3b9b5ece48d8d788c6d56
SSDEEP

12288:G4lsXvtCcmVVXzzn4PJAahPl/QEdIMiVbHydEIJnJWUgahFWkq9MmCS:G4lavt0LkLL9IMixoEgeahFWkq9MmCS

Score

10^/10

njrat hijacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

Hijacked

C2

192.168.1.24:5552

Mutex

5605f140a5dbb5880eed20a95e087469

Attributes

reg_key
5605f140a5dbb5880eed20a95e087469
splitter
|'|'|

Signatures

UAC bypass 3 TTPs 2 IoCs

evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.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
2664	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5605f140a5dbb5880eed20a95e087469.exe	jack.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\5605f140a5dbb5880eed20a95e087469.exe	jack.exe

Executes dropped EXE 2 IoCs

pid	Process
2788	2048.exe
2744	jack.exe

Loads dropped DLL 4 IoCs

pid	Process
2268	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
2268	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
2268	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
2788	2048.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\5605f140a5dbb5880eed20a95e087469 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\jack.exe\" .."	jack.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\5605f140a5dbb5880eed20a95e087469 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\jack.exe\" .."	jack.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.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 4 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	netsh.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	2048.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	jack.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe
Token: 33	2744	jack.exe
Token: SeIncBasePriorityPrivilege	2744	jack.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2788	2268	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe	30
PID 2268 wrote to memory of 2788	2268	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe	30
PID 2268 wrote to memory of 2788	2268	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe	30
PID 2268 wrote to memory of 2788	2268	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe	30
PID 2788 wrote to memory of 2744	2788	2048.exe	31
PID 2788 wrote to memory of 2744	2788	2048.exe	31
PID 2788 wrote to memory of 2744	2788	2048.exe	31
PID 2788 wrote to memory of 2744	2788	2048.exe	31
PID 2744 wrote to memory of 2664	2744	jack.exe	33
PID 2744 wrote to memory of 2664	2744	jack.exe	33
PID 2744 wrote to memory of 2664	2744	jack.exe	33
PID 2744 wrote to memory of 2664	2744	jack.exe	33

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe

C:\Users\Admin\AppData\Local\Temp\2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe
"C:\Users\Admin\AppData\Local\Temp\2236cf20c22202d6ed6fd145e71aed609d157928b403aa5512ce57214146d210.exe"
1⤵
- UAC bypass
- Loads dropped DLL
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2268
- C:\Users\Admin\AppData\Local\Temp\2048\2048.exe
  "C:\Users\Admin\AppData\Local\Temp\2048\2048.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2788
- - C:\Users\Admin\AppData\Local\Temp\jack.exe
    "C:\Users\Admin\AppData\Local\Temp\jack.exe"
    3⤵
    - Drops startup file
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2744
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\jack.exe" "jack.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2664

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

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

Abuse Elevation Control Mechanism

1

T1548

Bypass User Account Control

1

T1548.002

Impair Defenses

2

T1562

Disable or Modify System Firewall

1

T1562.004

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

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\2048\2048.exe

Filesize
23KB

MD5
3dd0064c834ec42bacd2542200113d09

SHA1
6663d0a358f07e04f0918f4af7152ec5649c9219

SHA256
9ebf34a1b3064f26e2e41b137920e8628c218033a3afb61a49eb55c6ad9f3d31

SHA512
ecadc6b4062bb0b3a756f19131aeb54f076c38d8eb7d3e7ff8e9a03e57adace3c776a4d1acf79669150bf4e9d0f779a67a22c3cb45d2944e399229532ad15c88

Download Submit
memory/2268-25-0x0000000000840000-0x0000000000841000-memory.dmp

Filesize
4KB

Download
memory/2788-26-0x0000000073B81000-0x0000000073B82000-memory.dmp

Filesize
4KB

Download
memory/2788-27-0x0000000073B80000-0x000000007412B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-28-0x0000000073B80000-0x000000007412B000-memory.dmp

Filesize
5.7MB

Download
memory/2788-36-0x0000000073B80000-0x000000007412B000-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