Analysis
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max time kernel
148s -
max time network
126s -
platform
windows10_x64 -
resource
win10 -
submitted
09-10-2020 09:09
Static task
static1
Behavioral task
behavioral1
Sample
gunzipped.exe
Resource
win7
General
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Target
gunzipped.exe
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Size
378KB
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MD5
29b9133a400181f1e5b6040ed675d41c
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SHA1
a918c60d5e66f56a7d0e5b1f5a3ad95ecbb9db02
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SHA256
15e4cb0935bbbe01c87cd16904ee225c1e52e417a16ee4dd9bd3337453332a42
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SHA512
293b5e14480ec04599302238b8b2f8778930596ef7d6b592d14ed0acc5da1b6dec4099e331d630a506b2c1e70d14f3c9c1fe2f942f6fc07ea0e26e657ebcf03a
Malware Config
Signatures
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Modifies firewall policy service 2 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\EnableFirewall = "0" explorer.exe Key created \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile explorer.exe Set value (int) \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\PublicProfile\EnableFirewall = "0" explorer.exe -
Sets file execution options in registry 2 TTPs
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorer.exe -
Adds Run key to start application 2 TTPs 6 IoCs
Processes:
explorer.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.0 = "\"C:\\ProgramData\\Google Updater 2.0\\q19q3yeiew1575s.exe\"" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\RunOnce explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce\Google Updater 2.0 = "C:\\ProgramData\\Google Updater 2.0\\q19q3yeiew1575s.exe" explorer.exe Key created \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run explorer.exe Set value (str) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Run\Google Updater 2.0 = "\"C:\\ProgramData\\Google Updater 2.0\\q19q3yeiew1575s.exe\"" explorer.exe -
Processes:
gunzipped.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA gunzipped.exe -
Drops desktop.ini file(s) 1 IoCs
Processes:
explorer.exedescription ioc process File opened for modification C:\ProgramData\Google Updater 2.0\desktop.ini explorer.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 9 IoCs
Processes:
gunzipped.exeexplorer.exepid process 3692 gunzipped.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe -
Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
gunzipped.exeexplorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString gunzipped.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 explorer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 gunzipped.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
Processes:
explorer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer explorer.exe Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS explorer.exe -
Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\1\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\2\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3\2500 = "3" explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4\2500 = "3" explorer.exe -
Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
Processes:
explorer.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main\NoProtectedModeBanner = "1" explorer.exe -
Processes:
explorer.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\Main explorer.exe Key created \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager explorer.exe Set value (int) \REGISTRY\USER\S-1-5-21-2066881839-3229799743-3576549721-1000\Software\Microsoft\Internet Explorer\VersionManager\DownloadVersionList = "0" explorer.exe -
Suspicious behavior: EnumeratesProcesses 32 IoCs
Processes:
explorer.exepid process 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe 912 explorer.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
gunzipped.exepid process 3692 gunzipped.exe 3692 gunzipped.exe -
Suspicious behavior: RenamesItself 1 IoCs
Processes:
gunzipped.exepid process 3692 gunzipped.exe -
Suspicious use of AdjustPrivilegeToken 28 IoCs
Processes:
gunzipped.exeexplorer.exedescription pid process Token: SeDebugPrivilege 3692 gunzipped.exe Token: SeRestorePrivilege 3692 gunzipped.exe Token: SeBackupPrivilege 3692 gunzipped.exe Token: SeLoadDriverPrivilege 3692 gunzipped.exe Token: SeCreatePagefilePrivilege 3692 gunzipped.exe Token: SeShutdownPrivilege 3692 gunzipped.exe Token: SeTakeOwnershipPrivilege 3692 gunzipped.exe Token: SeChangeNotifyPrivilege 3692 gunzipped.exe Token: SeCreateTokenPrivilege 3692 gunzipped.exe Token: SeMachineAccountPrivilege 3692 gunzipped.exe Token: SeSecurityPrivilege 3692 gunzipped.exe Token: SeAssignPrimaryTokenPrivilege 3692 gunzipped.exe Token: SeCreateGlobalPrivilege 3692 gunzipped.exe Token: 33 3692 gunzipped.exe Token: SeDebugPrivilege 912 explorer.exe Token: SeRestorePrivilege 912 explorer.exe Token: SeBackupPrivilege 912 explorer.exe Token: SeLoadDriverPrivilege 912 explorer.exe Token: SeCreatePagefilePrivilege 912 explorer.exe Token: SeShutdownPrivilege 912 explorer.exe Token: SeTakeOwnershipPrivilege 912 explorer.exe Token: SeChangeNotifyPrivilege 912 explorer.exe Token: SeCreateTokenPrivilege 912 explorer.exe Token: SeMachineAccountPrivilege 912 explorer.exe Token: SeSecurityPrivilege 912 explorer.exe Token: SeAssignPrimaryTokenPrivilege 912 explorer.exe Token: SeCreateGlobalPrivilege 912 explorer.exe Token: 33 912 explorer.exe -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
gunzipped.exedescription pid process target process PID 3692 wrote to memory of 912 3692 gunzipped.exe explorer.exe PID 3692 wrote to memory of 912 3692 gunzipped.exe explorer.exe PID 3692 wrote to memory of 912 3692 gunzipped.exe explorer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"C:\Users\Admin\AppData\Local\Temp\gunzipped.exe"1⤵
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- Modifies firewall policy service
- Checks BIOS information in registry
- Adds Run key to start application
- Drops desktop.ini file(s)
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/912-6-0x0000000000220000-0x0000000000660000-memory.dmpFilesize
4.2MB
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memory/912-5-0x0000000000000000-mapping.dmp
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memory/912-7-0x0000000000220000-0x0000000000660000-memory.dmpFilesize
4.2MB
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memory/3692-0-0x0000000000F16000-0x0000000000F17000-memory.dmpFilesize
4KB
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memory/3692-1-0x0000000001100000-0x0000000001101000-memory.dmpFilesize
4KB
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memory/3692-3-0x0000000003090000-0x0000000003158000-memory.dmpFilesize
800KB
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memory/3692-4-0x00000000034E0000-0x0000000003920000-memory.dmpFilesize
4.2MB