njrat | eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b

General

Target

eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
Size

876KB
MD5

d2f1b1af7a46c20e123e0ae887189ff9
SHA1

bed60ed94e966aff0222185c5dfc2449330ec3bf
SHA256

eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b
SHA512

5cb5c610d460bbafb67f8025cd76192028312708027133d0787f194d4582e1146502190ab52d52305ecde8c79be219c28bc813058be80c4d15ab345474fb1550
SSDEEP

12288:E4lsXvtCcmVVXzzn4PJAahPl/QEdIMiVbHydEIJnJWUga47X4q9MmCS:E4lavt0LkLL9IMixoEgea4X4q9MmCS

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

10.10.1.11:5552

Mutex

7657c14284185fbd3fb108b43c7467ba

Attributes

reg_key
7657c14284185fbd3fb108b43c7467ba
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\EnableLUA = "0"	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.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
2596	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2756	642.exe
2912	server.exe

Loads dropped DLL 4 IoCs

pid	Process
2216	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
2216	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
2216	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
2756	642.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\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\7657c14284185fbd3fb108b43c7467ba = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.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"	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.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	642.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	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

description	pid	Process
Token: SeDebugPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe
Token: 33	2912	server.exe
Token: SeIncBasePriorityPrivilege	2912	server.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2216 wrote to memory of 2756	2216	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe	30
PID 2216 wrote to memory of 2756	2216	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe	30
PID 2216 wrote to memory of 2756	2216	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe	30
PID 2216 wrote to memory of 2756	2216	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe	30
PID 2756 wrote to memory of 2912	2756	642.exe	31
PID 2756 wrote to memory of 2912	2756	642.exe	31
PID 2756 wrote to memory of 2912	2756	642.exe	31
PID 2756 wrote to memory of 2912	2756	642.exe	31
PID 2912 wrote to memory of 2596	2912	server.exe	32
PID 2912 wrote to memory of 2596	2912	server.exe	32
PID 2912 wrote to memory of 2596	2912	server.exe	32
PID 2912 wrote to memory of 2596	2912	server.exe	32

System policy modification 1 TTPs 3 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe

C:\Users\Admin\AppData\Local\Temp\eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.exe
"C:\Users\Admin\AppData\Local\Temp\eee08cea677b93199fd1ad83347b8176bde16b3ee99c54f69c06a9e652217d5b.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:2216
- C:\Users\Admin\AppData\Local\Temp\642\642.exe
  "C:\Users\Admin\AppData\Local\Temp\642\642.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Adds Run key to start application
    - System Location Discovery: System Language Discovery
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2912
  - - C:\Windows\SysWOW64\netsh.exe
      netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
      4⤵
      Modifies Windows Firewall
      Event Triggered Execution: Netsh Helper DLL
      System Location Discovery: System Language Discovery
      PID:2596

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\642\642.exe

Filesize
23KB

MD5
d2a1fbccc12adc5f444e024e94abfd4c

SHA1
40536717fe5ea008d34ec53959834b2fed86369a

SHA256
f94c60a2787bbb7178b62891a351761afb414df5b050de2eac9525aaa8a92dcf

SHA512
72001ff781774b647bf85871ced798f1ebb10d8c7abb161e659d174fb0fb6617f2b011991419b870d347e042c7cbdfb5509b03ec7cf8a60a446832fc3f28e1e9

Download Submit
memory/2756-23-0x00000000748F1000-0x00000000748F2000-memory.dmp

Filesize
4KB

Download
memory/2756-25-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2756-24-0x00000000748F0000-0x0000000074E9B000-memory.dmp

Filesize
5.7MB

Download
memory/2756-33-0x00000000748F0000-0x0000000074E9B000-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