njrat | 448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0

General

Target

448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe
Size

93KB
MD5

d97b1bc0635e88c00cbc79317aa428bd
SHA1

60048ae1a6f382455cbf9c493f27976c58d310d9
SHA256

448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0
SHA512

e578be1907aaa25631ca9a955320af25d5512c1ddc17557dc6d39f8f63ca575f1811f45aa932985b39257c29d59823deabeb01337cdb46758cfa3badc8ab9ab8
SSDEEP

768:VY33ytjglPPMJI08+EyrERm9hX+DlwA461mXxrjEtCdnl2pi1Rz4Rk37sGdpfgS7:syJgdQ8+f4mXPA4tjEwzGi1dDnDfgS

Score

10^/10

njrat hacked discovery evasion persistence privilege_escalation trojan

Malware Config

Extracted

Family

njrat

Version

0.7d

Botnet

HacKed

C2

hakim32.ddns.net:2000

127.0.0.1:5552

Mutex

cd4cbc9fb72b65e4b3796572077d8e39

Attributes

reg_key
cd4cbc9fb72b65e4b3796572077d8e39
splitter
|'|'|

Signatures

Njrat family
njrat
njRAT/Bladabindi
Widely used RAT written in .NET.
trojan njrat
Disables Task Manager via registry modification
evasion
Modifies Windows Firewall 2 TTPs 1 IoCs
evasion

Windows Service
T1543.003

Disable or Modify System Firewall
T1562.004

Processes:

netsh.exe

pid process

2864 netsh.exe

pid	process
2864	netsh.exe

Drops startup file 6 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Corporation.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd4cbc9fb72b65e4b3796572077d8e39Windows Update.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cd4cbc9fb72b65e4b3796572077d8e39Windows Update.exe	server.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	server.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Explower.exe	server.exe

Executes dropped EXE 1 IoCs

Processes:

server.exe

pid process

2036 server.exe

Loads dropped DLL 2 IoCs

Processes:

448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe

pid	process
516	448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe
516	448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe

Drops autorun.inf file 1 TTPs 4 IoCs

Malware can abuse Windows Autorun to spread further via attached volumes.

Replication Through Removable Media

T1091

Processes:

server.exe

description	ioc	process
File created	C:\autorun.inf	server.exe
File opened for modification	C:\autorun.inf	server.exe
File created	F:\autorun.inf	server.exe
File opened for modification	F:\autorun.inf	server.exe

Drops file in Program Files directory 2 IoCs

Processes:

server.exe

description	ioc	process
File created	C:\Program Files (x86)\Explower.exe	server.exe
File opened for modification	C:\Program Files (x86)\Explower.exe	server.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

Processes:

netsh.exe

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 3 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

Processes:

448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exeserver.exenetsh.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.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 64 IoCs

Processes:

server.exe

pid	process
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe
2036	server.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

server.exe

pid process

2036 server.exe

Suspicious use of AdjustPrivilegeToken 35 IoCs

Processes:

server.exe

description	pid	process
Token: SeDebugPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe
Token: 33	2036	server.exe
Token: SeIncBasePriorityPrivilege	2036	server.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exeserver.exe

description	pid	process	target process
PID 516 wrote to memory of 2036	516	448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe	server.exe
PID 516 wrote to memory of 2036	516	448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe	server.exe
PID 516 wrote to memory of 2036	516	448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe	server.exe
PID 516 wrote to memory of 2036	516	448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe	server.exe
PID 2036 wrote to memory of 2864	2036	server.exe	netsh.exe
PID 2036 wrote to memory of 2864	2036	server.exe	netsh.exe
PID 2036 wrote to memory of 2864	2036	server.exe	netsh.exe
PID 2036 wrote to memory of 2864	2036	server.exe	netsh.exe

C:\Users\Admin\AppData\Local\Temp\448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe
"C:\Users\Admin\AppData\Local\Temp\448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0exe.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:516
- C:\Users\Admin\AppData\Local\Temp\server.exe
  "C:\Users\Admin\AppData\Local\Temp\server.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Drops autorun.inf file
  - Drops file in Program Files directory
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2036
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    - Event Triggered Execution: Netsh Helper DLL
    - System Location Discovery: System Language Discovery
    PID:2864

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Replication Through Removable Media

1

T1091

Execution

Persistence

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

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

1

T1562.004

Credential Access

Discovery

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Replication Through Removable Media

1

T1091

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\app

Filesize
4B

MD5
047dda8d29bbbf2b6e1c3f4212189eba

SHA1
eb10217bbf887b1ad9b984cb7a559b177e2c762a

SHA256
afd43463eba279dc102afa66f3ef7173885c540c02776217638de34e03486125

SHA512
84c38a784fa77686de5be91738fffd0371ca667eff0e117c87e8e2d676ef29b7defe21c7bfa83f00ef967d73d3983fb038bd07b93fde963ec5ae10a2f569a822

Download Submit
\Users\Admin\AppData\Local\Temp\server.exe

Filesize
93KB

MD5
d97b1bc0635e88c00cbc79317aa428bd

SHA1
60048ae1a6f382455cbf9c493f27976c58d310d9

SHA256
448242acea7a2d4ebc34568c320adb397ddc1379dbc87a51d9124a2fbe99b0f0

SHA512
e578be1907aaa25631ca9a955320af25d5512c1ddc17557dc6d39f8f63ca575f1811f45aa932985b39257c29d59823deabeb01337cdb46758cfa3badc8ab9ab8

Download Submit
memory/516-0-0x0000000074DA1000-0x0000000074DA2000-memory.dmp

Filesize
4KB

Download
memory/516-1-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/516-2-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/516-14-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-15-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-16-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-17-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-54-0x0000000074DA0000-0x000000007534B000-memory.dmp

Filesize
5.7MB

Download
memory/2036-55-0x0000000074DA0000-0x000000007534B000-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