Analysis
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max time kernel
149s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-12-2024 01:26
Behavioral task
behavioral1
Sample
71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe
Resource
win10v2004-20241007-en
General
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Target
71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe
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Size
28KB
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MD5
07e30f93dcbe3cc726a96554952c34df
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SHA1
3bcdef674d3bdb39328afd088f9f23a4cb4c0671
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SHA256
71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d
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SHA512
e0bfd4413d47b5eb1f8bf0dd44f6cb28719896f23047022ea6206900ef826449f9eb8644276d1ad75c77db433c72fef1a0fd133bffb1ddcd9707537f7b4aa40c
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SSDEEP
384:W8EBl7Bvgk4Xe0elD5FochNGemqDGb3neUEGBsbh0w4wlAokw9OhgOL1vYRGOZz5:u7Kk4XePlFXYq6bneWBKh0p29SgR8c
Malware Config
Signatures
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Modifies Windows Firewall 2 TTPs 1 IoCs
pid Process 4608 netsh.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation 71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe -
Drops startup file 2 IoCs
description ioc Process File opened for modification C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc6885fb771802b45c9dcc628f9ad989.exe system.exe File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\cc6885fb771802b45c9dcc628f9ad989.exe system.exe -
Executes dropped EXE 1 IoCs
pid Process 2512 system.exe -
Adds Run key to start application 2 TTPs 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\cc6885fb771802b45c9dcc628f9ad989 = "\"C:\\ProgramData\\system.exe\" .." system.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\cc6885fb771802b45c9dcc628f9ad989 = "\"C:\\ProgramData\\system.exe\" .." system.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 71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language system.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language netsh.exe -
Suspicious behavior: EnumeratesProcesses 48 IoCs
pid Process 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe 2512 system.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2512 system.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 964 wrote to memory of 2512 964 71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe 82 PID 964 wrote to memory of 2512 964 71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe 82 PID 964 wrote to memory of 2512 964 71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe 82 PID 2512 wrote to memory of 4608 2512 system.exe 83 PID 2512 wrote to memory of 4608 2512 system.exe 83 PID 2512 wrote to memory of 4608 2512 system.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe"C:\Users\Admin\AppData\Local\Temp\71b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:964 -
C:\ProgramData\system.exe"C:\ProgramData\system.exe"2⤵
- Drops startup file
- Executes dropped EXE
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2512 -
C:\Windows\SysWOW64\netsh.exenetsh firewall add allowedprogram "C:\ProgramData\system.exe" "system.exe" ENABLE3⤵
- Modifies Windows Firewall
- Event Triggered Execution: Netsh Helper DLL
- System Location Discovery: System Language Discovery
PID:4608
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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
28KB
MD507e30f93dcbe3cc726a96554952c34df
SHA13bcdef674d3bdb39328afd088f9f23a4cb4c0671
SHA25671b06613ca38ea9b67aead75aa5d042149d653119708c8083d81d26d9d70ed6d
SHA512e0bfd4413d47b5eb1f8bf0dd44f6cb28719896f23047022ea6206900ef826449f9eb8644276d1ad75c77db433c72fef1a0fd133bffb1ddcd9707537f7b4aa40c