Analysis
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max time kernel
150s -
max time network
140s -
platform
windows7_x64 -
resource
win7-20240705-en -
resource tags
arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system -
submitted
27/08/2024, 18:26
Behavioral task
behavioral1
Sample
0x0031000000005c50-6.exe
Resource
win7-20240705-en
windows7-x64
11 signatures
150 seconds
Behavioral task
behavioral2
Sample
0x0031000000005c50-6.exe
Resource
win10v2004-20240802-en
windows10-2004-x64
12 signatures
150 seconds
General
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Target
0x0031000000005c50-6.exe
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Size
31KB
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MD5
b075f9e4015e2f43154b9903d9ec5fb5
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SHA1
0717b04115360a6d1d4451c90d0f6b0f781d249f
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SHA256
103cb14f2460de6ef7c780becc87bac0599bdd0527e176c0ec87aad2397b57e6
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SHA512
4f71a17234a0078733bd61fa80bd3463341dda0c1ac31ac9c496efd528ecd8657cf206160d6b9205e4fab6aa3b10fdd8f1764bc574223c63a38213735fd3939b
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SSDEEP
768:CmDVuVP514zxjCzXjX/v/DJvikQmIDUu0ti+irj:ze6SvBjQVkdoj
Malware Config
Extracted
Family
njrat
Version
0.7d
Botnet
quewexsite
C2
88.168.211.65:6522
Mutex
7799a186f618ba54cc458f7422abc774
Attributes
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reg_key
7799a186f618ba54cc458f7422abc774
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splitter
Y262SUCZ4UJJ
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 2820 netsh.exe -
Executes dropped EXE 1 IoCs
pid Process 1964 WindowsHealthChecker.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2172136094-3310281978-782691160-1000\Software\Microsoft\Windows\CurrentVersion\Run\7799a186f618ba54cc458f7422abc774 = "\"C:\\Windows\\WindowsHealthChecker.exe\" .." WindowsHealthChecker.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\7799a186f618ba54cc458f7422abc774 = "\"C:\\Windows\\WindowsHealthChecker.exe\" .." WindowsHealthChecker.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\WindowsHealthChecker.exe 0x0031000000005c50-6.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 queried \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key value enumerated \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\NetSh netsh.exe Key opened \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 0x0031000000005c50-6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WindowsHealthChecker.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe 1464 0x0031000000005c50-6.exe -
Suspicious use of AdjustPrivilegeToken 36 IoCs
description pid Process Token: SeDebugPrivilege 1464 0x0031000000005c50-6.exe Token: SeDebugPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe Token: 33 1964 WindowsHealthChecker.exe Token: SeIncBasePriorityPrivilege 1964 WindowsHealthChecker.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1464 wrote to memory of 1964 1464 0x0031000000005c50-6.exe 31 PID 1464 wrote to memory of 1964 1464 0x0031000000005c50-6.exe 31 PID 1464 wrote to memory of 1964 1464 0x0031000000005c50-6.exe 31 PID 1464 wrote to memory of 1964 1464 0x0031000000005c50-6.exe 31 PID 1964 wrote to memory of 2820 1964 WindowsHealthChecker.exe 32 PID 1964 wrote to memory of 2820 1964 WindowsHealthChecker.exe 32 PID 1964 wrote to memory of 2820 1964 WindowsHealthChecker.exe 32 PID 1964 wrote to memory of 2820 1964 WindowsHealthChecker.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\0x0031000000005c50-6.exe"C:\Users\Admin\AppData\Local\Temp\0x0031000000005c50-6.exe"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1464 -
C:\Windows\WindowsHealthChecker.exe"C:\Windows\WindowsHealthChecker.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1964 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\Windows\WindowsHealthChecker.exe" "WindowsHealthChecker.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:2820
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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
31KB
MD5b075f9e4015e2f43154b9903d9ec5fb5
SHA10717b04115360a6d1d4451c90d0f6b0f781d249f
SHA256103cb14f2460de6ef7c780becc87bac0599bdd0527e176c0ec87aad2397b57e6
SHA5124f71a17234a0078733bd61fa80bd3463341dda0c1ac31ac9c496efd528ecd8657cf206160d6b9205e4fab6aa3b10fdd8f1764bc574223c63a38213735fd3939b