Analysis
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max time kernel
149s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
01-09-2024 03:40
Behavioral task
behavioral1
Sample
da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe
Resource
win10v2004-20240802-en
General
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Target
da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe
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Size
23KB
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MD5
692f22cbe9a5fac0fe6728065fd2882a
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SHA1
9bbce26a395a09f96e03cbf14151127b69b6831d
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SHA256
da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a
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SHA512
7757f5d566f0c5903f23b9299b11d7450254096c6c611196b2fd53a4630f6cb1c85317db99532d19ab38f2c50d839f0d8c6de0cadda8a6676c87d72961efb6fd
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SSDEEP
384:8Y324bcgPiJLQrfARGSRUJsbY6ZgvSMBD3t8mRvR6JZlbw8hqIusZzZ8k:rL2s+tRyRpcnui
Malware Config
Extracted
njrat
0.7d
HacKed
192.168.11.184:5552
e0173ebd8733c2357407c4966d6856f1
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reg_key
e0173ebd8733c2357407c4966d6856f1
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splitter
|'|'|
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2312 netsh.exe -
Drops startup file 2 IoCs
description ioc Process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0173ebd8733c2357407c4966d6856f1.exe server.exe File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\e0173ebd8733c2357407c4966d6856f1.exe server.exe -
Executes dropped EXE 1 IoCs
pid Process 1916 server.exe -
Loads dropped DLL 1 IoCs
pid Process 2408 da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Windows\CurrentVersion\Run\e0173ebd8733c2357407c4966d6856f1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\e0173ebd8733c2357407c4966d6856f1 = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\server.exe\" .." server.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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.
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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language server.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious use of AdjustPrivilegeToken 35 IoCs
description pid Process Token: SeDebugPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe Token: 33 1916 server.exe Token: SeIncBasePriorityPrivilege 1916 server.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2408 wrote to memory of 1916 2408 da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe 30 PID 2408 wrote to memory of 1916 2408 da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe 30 PID 2408 wrote to memory of 1916 2408 da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe 30 PID 2408 wrote to memory of 1916 2408 da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe 30 PID 1916 wrote to memory of 2312 1916 server.exe 32 PID 1916 wrote to memory of 2312 1916 server.exe 32 PID 1916 wrote to memory of 2312 1916 server.exe 32 PID 1916 wrote to memory of 2312 1916 server.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe"C:\Users\Admin\AppData\Local\Temp\da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2408 -
C:\Users\Admin\AppData\Local\Temp\server.exe"C:\Users\Admin\AppData\Local\Temp\server.exe"2⤵
- 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:1916 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Users\Admin\AppData\Local\Temp\server.exe" "server.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2312
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Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Defense Evasion
Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
1Replay Monitor
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Downloads
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Filesize
23KB
MD5692f22cbe9a5fac0fe6728065fd2882a
SHA19bbce26a395a09f96e03cbf14151127b69b6831d
SHA256da5bbdd28399e0d1aca7bda89e4b3855d1582ca96fb784957602d114ff02929a
SHA5127757f5d566f0c5903f23b9299b11d7450254096c6c611196b2fd53a4630f6cb1c85317db99532d19ab38f2c50d839f0d8c6de0cadda8a6676c87d72961efb6fd