Analysis
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max time kernel
146s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
23-03-2024 11:50
Static task
static1
Behavioral task
behavioral1
Sample
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe
Resource
win11-20240221-en
General
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Target
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe
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Size
1.8MB
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MD5
3309ac6c3fa2bdb38ab537f55796acb6
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SHA1
ca468c76d4374a603212da2a8dead5c40e3437f3
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SHA256
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b
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SHA512
a0289588d8de5e69220c5e6af613157b1b82fe1703a5c5961d8ba73cb4fc4d659c551ae3bf8185831915c2726d41e0fa36ecaaa001da47e1647f9765b7d30c51
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SSDEEP
24576:fIoMzcDfbiNvb6mZoDgtWP/94j/kkEPx7iJ5r7znFhGpzQmC5CXW5DJMnDfrH3TQ:LEcb+V+dgtWd4geR/GfQfRajH1NaJ
Malware Config
Extracted
amadey
4.17
http://185.215.113.32
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install_dir
00c07260dc
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install_file
explorgu.exe
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strings_key
461809bd97c251ba0c0c8450c7055f1d
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url_paths
/yandex/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
explorgu.exe6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 40 3188 rundll32.exe 54 5072 rundll32.exe -
Downloads MZ/PE file
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Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorgu.exe6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe -
Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
Processes:
explorgu.exedescription ioc process Key value queried \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 3032 explorgu.exe -
Identifies Wine through registry keys 2 TTPs 2 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
Processes:
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Wine 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe Key opened \REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1756 rundll32.exe 3188 rundll32.exe 5072 rundll32.exe -
Reads local data of messenger clients 2 TTPs
Infostealers often target stored data of messaging applications, which can include saved credentials and account information.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exeexplorgu.exepid process 3600 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe 3032 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 17 IoCs
Processes:
6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exeexplorgu.exerundll32.exepowershell.exepid process 3600 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe 3600 6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe 3032 explorgu.exe 3032 explorgu.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 3188 rundll32.exe 1220 powershell.exe 1220 powershell.exe 1220 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1220 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 3032 wrote to memory of 1756 3032 explorgu.exe rundll32.exe PID 3032 wrote to memory of 1756 3032 explorgu.exe rundll32.exe PID 3032 wrote to memory of 1756 3032 explorgu.exe rundll32.exe PID 1756 wrote to memory of 3188 1756 rundll32.exe rundll32.exe PID 1756 wrote to memory of 3188 1756 rundll32.exe rundll32.exe PID 3188 wrote to memory of 3684 3188 rundll32.exe netsh.exe PID 3188 wrote to memory of 3684 3188 rundll32.exe netsh.exe PID 3188 wrote to memory of 1220 3188 rundll32.exe powershell.exe PID 3188 wrote to memory of 1220 3188 rundll32.exe powershell.exe PID 3032 wrote to memory of 5072 3032 explorgu.exe rundll32.exe PID 3032 wrote to memory of 5072 3032 explorgu.exe rundll32.exe PID 3032 wrote to memory of 5072 3032 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe"C:\Users\Admin\AppData\Local\Temp\6489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
PID:3600
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeC:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3032 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1756 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3188 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:3684
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C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exepowershell -Command Compress-Archive -Path 'C:\Users\Admin\AppData\Local\Temp\_Files_\' -DestinationPath 'C:\Users\Admin\AppData\Local\Temp\831553292808_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1220
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll, Main2⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:5072
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD53309ac6c3fa2bdb38ab537f55796acb6
SHA1ca468c76d4374a603212da2a8dead5c40e3437f3
SHA2566489d9c2484a1c38949212f41da34a7f283d83cc8b463bfa6b251ad71a4adc5b
SHA512a0289588d8de5e69220c5e6af613157b1b82fe1703a5c5961d8ba73cb4fc4d659c551ae3bf8185831915c2726d41e0fa36ecaaa001da47e1647f9765b7d30c51
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD52afdbe3b99a4736083066a13e4b5d11a
SHA14d4856cf02b3123ac16e63d4a448cdbcb1633546
SHA2568d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee
SHA512d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f
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Filesize
1.2MB
MD592fbdfccf6a63acef2743631d16652a7
SHA1971968b1378dd89d59d7f84bf92f16fc68664506
SHA256b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72
SHA512b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117