Analysis
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max time kernel
147s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 11:34
Static task
static1
Behavioral task
behavioral1
Sample
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe
Resource
win10v2004-20240226-en
General
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Target
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe
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Size
1.9MB
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MD5
91b71940e00d0590b1ed9f22800f3ae9
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SHA1
caf68c5b3628e7ad2559adc423a22676dfcd345b
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SHA256
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98
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SHA512
cc57181d3fe4e8b47f9f5a0fc81adfaa32f14d8cb9c896584dde8cd596c03c530b119eb6a070d21f3981e39283cedf8510a8ccd577677bec52c9c1a1a4f0156f
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SSDEEP
49152:levJ6oeb83NCUL8QjjfE1CzsG73pnfTbzSxWddh:cUoIsjfF3ZPei
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:
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 43 2344 rundll32.exe 44 1356 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.exe9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.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 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 3628 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:
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Wine 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe Key opened \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 5020 rundll32.exe 2344 rundll32.exe 1356 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:
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exeexplorgu.exepid process 1392 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe 3628 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 16 IoCs
Processes:
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exeexplorgu.exerundll32.exepowershell.exepid process 1392 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe 1392 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe 3628 explorgu.exe 3628 explorgu.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2344 rundll32.exe 2376 powershell.exe 2376 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2376 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exepid process 1392 9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 3628 wrote to memory of 5020 3628 explorgu.exe rundll32.exe PID 3628 wrote to memory of 5020 3628 explorgu.exe rundll32.exe PID 3628 wrote to memory of 5020 3628 explorgu.exe rundll32.exe PID 5020 wrote to memory of 2344 5020 rundll32.exe rundll32.exe PID 5020 wrote to memory of 2344 5020 rundll32.exe rundll32.exe PID 2344 wrote to memory of 2416 2344 rundll32.exe netsh.exe PID 2344 wrote to memory of 2416 2344 rundll32.exe netsh.exe PID 2344 wrote to memory of 2376 2344 rundll32.exe powershell.exe PID 2344 wrote to memory of 2376 2344 rundll32.exe powershell.exe PID 3628 wrote to memory of 1356 3628 explorgu.exe rundll32.exe PID 3628 wrote to memory of 1356 3628 explorgu.exe rundll32.exe PID 3628 wrote to memory of 1356 3628 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.exe"C:\Users\Admin\AppData\Local\Temp\9f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98.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
- Suspicious use of FindShellTrayWindow
PID:1392
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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:3628 -
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:5020 -
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:2344 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:2416
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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\045580317372_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2376 -
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:1356
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeFilesize
1.9MB
MD591b71940e00d0590b1ed9f22800f3ae9
SHA1caf68c5b3628e7ad2559adc423a22676dfcd345b
SHA2569f897fad91f7d3c2fd32f4543f7f9faa6824d2d22163e58ff783370fa5906b98
SHA512cc57181d3fe4e8b47f9f5a0fc81adfaa32f14d8cb9c896584dde8cd596c03c530b119eb6a070d21f3981e39283cedf8510a8ccd577677bec52c9c1a1a4f0156f
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bnjropqi.bi3.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dllFilesize
109KB
MD52afdbe3b99a4736083066a13e4b5d11a
SHA14d4856cf02b3123ac16e63d4a448cdbcb1633546
SHA2568d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee
SHA512d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f
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C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dllFilesize
1.2MB
MD592fbdfccf6a63acef2743631d16652a7
SHA1971968b1378dd89d59d7f84bf92f16fc68664506
SHA256b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72
SHA512b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117
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memory/1392-8-0x0000000005960000-0x0000000005961000-memory.dmpFilesize
4KB
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memory/1392-5-0x0000000005970000-0x0000000005971000-memory.dmpFilesize
4KB
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memory/1392-6-0x00000000059C0000-0x00000000059C1000-memory.dmpFilesize
4KB
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memory/1392-7-0x0000000005950000-0x0000000005951000-memory.dmpFilesize
4KB
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memory/1392-4-0x0000000005990000-0x0000000005991000-memory.dmpFilesize
4KB
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memory/1392-9-0x00000000059B0000-0x00000000059B1000-memory.dmpFilesize
4KB
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memory/1392-10-0x00000000059E0000-0x00000000059E1000-memory.dmpFilesize
4KB
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memory/1392-11-0x00000000059D0000-0x00000000059D1000-memory.dmpFilesize
4KB
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memory/1392-16-0x0000000000FB0000-0x0000000001491000-memory.dmpFilesize
4.9MB
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memory/1392-3-0x0000000005980000-0x0000000005981000-memory.dmpFilesize
4KB
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memory/1392-2-0x0000000000FB0000-0x0000000001491000-memory.dmpFilesize
4.9MB
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memory/1392-0-0x0000000000FB0000-0x0000000001491000-memory.dmpFilesize
4.9MB
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memory/1392-1-0x0000000077214000-0x0000000077216000-memory.dmpFilesize
8KB
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memory/2376-57-0x00000133D0490000-0x00000133D049A000-memory.dmpFilesize
40KB
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memory/2376-51-0x00000133D04A0000-0x00000133D04C2000-memory.dmpFilesize
136KB
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memory/2376-63-0x00007FFA01210000-0x00007FFA01CD1000-memory.dmpFilesize
10.8MB
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memory/2376-56-0x00000133D2960000-0x00000133D2972000-memory.dmpFilesize
72KB
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memory/2376-54-0x00000133D04D0000-0x00000133D04E0000-memory.dmpFilesize
64KB
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memory/2376-53-0x00000133D04D0000-0x00000133D04E0000-memory.dmpFilesize
64KB
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memory/2376-52-0x00007FFA01210000-0x00007FFA01CD1000-memory.dmpFilesize
10.8MB
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memory/3628-23-0x0000000004BE0000-0x0000000004BE1000-memory.dmpFilesize
4KB
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memory/3628-64-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-22-0x0000000004C00000-0x0000000004C01000-memory.dmpFilesize
4KB
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memory/3628-29-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-28-0x0000000004C40000-0x0000000004C41000-memory.dmpFilesize
4KB
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memory/3628-27-0x0000000004C50000-0x0000000004C51000-memory.dmpFilesize
4KB
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memory/3628-21-0x0000000004BF0000-0x0000000004BF1000-memory.dmpFilesize
4KB
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memory/3628-55-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-24-0x0000000004C20000-0x0000000004C21000-memory.dmpFilesize
4KB
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memory/3628-20-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-25-0x0000000004BC0000-0x0000000004BC1000-memory.dmpFilesize
4KB
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memory/3628-26-0x0000000004BD0000-0x0000000004BD1000-memory.dmpFilesize
4KB
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memory/3628-65-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-19-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-77-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-78-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-79-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-80-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-81-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-82-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-83-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-84-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB
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memory/3628-85-0x00000000009A0000-0x0000000000E81000-memory.dmpFilesize
4.9MB