njrat | 5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643

General

Target

5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Size

238KB
MD5

88e26964c9367eb3b37131f5e7398db6
SHA1

74ff0f10f152d9d08a1b10e435bfbb158fa78efa
SHA256

5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643
SHA512

bf24ab078da2ab741bbf3c4e0115881f1cd8da506c96bbbf7efa571b9c884d677c7d91f7bea2532f8db815c970e174c56aa96ff99d275243f94966cba4d325ed
SSDEEP

6144:otRRBVuQ8hMNYl2tgtCASsZhYUIKtAzM1+Ua:ot3BVt8hBl2tgtCLsZhYFy+M1G

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

najrat13.no-ip.info:1177

Mutex

fe846520f3eb4e72966214ff26ac3a9d

Attributes

reg_key
fe846520f3eb4e72966214ff26ac3a9d
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
1936	netsh.exe

Executes dropped EXE 2 IoCs

pid	Process
2824	server.exe
2740	server.exe

Loads dropped DLL 2 IoCs

pid	Process
1256	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
2824	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-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\fe846520f3eb4e72966214ff26ac3a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\fe846520f3eb4e72966214ff26ac3a9d = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .."	server.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 2308 set thread context of 1256	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	31
PID 2824 set thread context of 2740	2824	server.exe	34

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 5 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	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	server.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	netsh.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
2824	server.exe
2824	server.exe
2824	server.exe

Suspicious use of AdjustPrivilegeToken 29 IoCs

description	pid	Process
Token: SeDebugPrivilege	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
Token: SeDebugPrivilege	2824	server.exe
Token: SeDebugPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe
Token: 33	2740	server.exe
Token: SeIncBasePriorityPrivilege	2740	server.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 2308 wrote to memory of 1256	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	31
PID 2308 wrote to memory of 1256	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	31
PID 2308 wrote to memory of 1256	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	31
PID 2308 wrote to memory of 1256	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	31
PID 2308 wrote to memory of 1256	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	31
PID 2308 wrote to memory of 1256	2308	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	31
PID 1256 wrote to memory of 2824	1256	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	33
PID 1256 wrote to memory of 2824	1256	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	33
PID 1256 wrote to memory of 2824	1256	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	33
PID 1256 wrote to memory of 2824	1256	5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe	33
PID 2824 wrote to memory of 2740	2824	server.exe	34
PID 2824 wrote to memory of 2740	2824	server.exe	34
PID 2824 wrote to memory of 2740	2824	server.exe	34
PID 2824 wrote to memory of 2740	2824	server.exe	34
PID 2824 wrote to memory of 2740	2824	server.exe	34
PID 2824 wrote to memory of 2740	2824	server.exe	34
PID 2740 wrote to memory of 1936	2740	server.exe	35
PID 2740 wrote to memory of 1936	2740	server.exe	35
PID 2740 wrote to memory of 1936	2740	server.exe	35
PID 2740 wrote to memory of 1936	2740	server.exe	35

C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
"C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2308
- C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
  C:\Users\Admin\AppData\Local\Temp\5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643.exe
  2⤵
  - Loads dropped DLL
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1256
- - C:\Users\Admin\AppData\Local\Temp\server.exe
    "C:\Users\Admin\AppData\Local\Temp\server.exe"
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious use of SetThreadContext
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:2824
  - - 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:2740
    - - 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:1936

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
238KB

MD5
88e26964c9367eb3b37131f5e7398db6

SHA1
74ff0f10f152d9d08a1b10e435bfbb158fa78efa

SHA256
5e822693b6865c275db4a8cdcd29c8bbb916dc8af1eb7b55db375c006a99a643

SHA512
bf24ab078da2ab741bbf3c4e0115881f1cd8da506c96bbbf7efa571b9c884d677c7d91f7bea2532f8db815c970e174c56aa96ff99d275243f94966cba4d325ed

Download Submit
memory/1256-26-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/1256-22-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1256-54-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/1256-17-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/1256-20-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/2308-24-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2308-5-0x0000000000280000-0x000000000028A000-memory.dmp

Filesize
40KB

Download
memory/2308-4-0x0000000000440000-0x0000000000482000-memory.dmp

Filesize
264KB

Download
memory/2308-2-0x0000000000210000-0x000000000021E000-memory.dmp

Filesize
56KB

Download
memory/2308-25-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2308-23-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2308-0-0x000000007461E000-0x000000007461F000-memory.dmp

Filesize
4KB

Download
memory/2308-27-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2308-1-0x0000000000DC0000-0x0000000000E02000-memory.dmp

Filesize
264KB

Download
memory/2308-3-0x0000000074610000-0x0000000074CFE000-memory.dmp

Filesize
6.9MB

Download
memory/2824-35-0x0000000000930000-0x0000000000972000-memory.dmp

Filesize
264KB

Download
memory/2824-36-0x0000000000520000-0x0000000000562000-memory.dmp

Filesize
264KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads