Analysis
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max time kernel
141s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-03-2024 06:38
Static task
static1
Behavioral task
behavioral1
Sample
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe
Resource
win10v2004-20240226-en
General
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Target
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe
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Size
1.8MB
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MD5
bf5f801fd1f165bf4a1a9507367e8581
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SHA1
8fa364b73f05ef7aaf219ca51333172f5657bb8f
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SHA256
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8
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SHA512
9dae0328c588df2bcc2ca6852909e5cab442c9ab6a7a99b4dcdcddb57d393a713fde4de0ac90b89a3aa39de4956f38dcd2e4efba813de4f13c7a175505e9e926
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SSDEEP
24576:TaAF2PXpOyiEG0mnyWJUlVPgqqWWHYEZrCvDvQktS7aZvlpyuhnMicsLhtc9Xln:TD2EycyxVYWW4EYv7jdp5hnVhmdln
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:
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 3 1120 rundll32.exe 4 4580 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:
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 4912 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:
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 4840 rundll32.exe 1120 rundll32.exe 4580 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:
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exeexplorgu.exepid process 4136 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe 4912 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.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:
530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exeexplorgu.exerundll32.exepowershell.exepid process 4136 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe 4136 530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe 4912 explorgu.exe 4912 explorgu.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1120 rundll32.exe 1544 powershell.exe 1544 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1544 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 4912 wrote to memory of 4840 4912 explorgu.exe rundll32.exe PID 4912 wrote to memory of 4840 4912 explorgu.exe rundll32.exe PID 4912 wrote to memory of 4840 4912 explorgu.exe rundll32.exe PID 4840 wrote to memory of 1120 4840 rundll32.exe rundll32.exe PID 4840 wrote to memory of 1120 4840 rundll32.exe rundll32.exe PID 1120 wrote to memory of 912 1120 rundll32.exe netsh.exe PID 1120 wrote to memory of 912 1120 rundll32.exe netsh.exe PID 1120 wrote to memory of 1544 1120 rundll32.exe powershell.exe PID 1120 wrote to memory of 1544 1120 rundll32.exe powershell.exe PID 4912 wrote to memory of 4580 4912 explorgu.exe rundll32.exe PID 4912 wrote to memory of 4580 4912 explorgu.exe rundll32.exe PID 4912 wrote to memory of 4580 4912 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.exe"C:\Users\Admin\AppData\Local\Temp\530c89eb1c0a4db6b5c54455f43fac280b6263e4f5bb3534674ab0ece620d1c8.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
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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
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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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
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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
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C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵
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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\181651180316_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeFilesize
162KB
MD578e8ffc64faee4c80d960dde0b482d63
SHA13a2b0c81985cf22a506ae63fb0078bbac6743d7f
SHA2563108928e380d8ca472161edbc3bafca0daced05a9c0ebf51d242f84cce89d0a7
SHA512775623226fbd9da449f30179bfd992a40fc969a150dd406c4ee76952e54c3e651d4e98255f79b0af65ebf239827224092d605885856840bc273657dc17dcc347
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C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exeFilesize
17KB
MD5e86444904a119433b1b99defa40d01a5
SHA153857657bd68664eb2deadb9bdc4242d4d260366
SHA256b27c673ec54eb5d6f27580ab6a434c23e74031cae0dc16de60382bb1210a976f
SHA512686edbf87762703dc90867a77b2b6040e16d30df151d44d843674f79d4ce82492f6134b7733be4512bd535965f9fcdfba5ac89d8c141f3a9a65c939bded1a74d
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_2mculd4c.vt4.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/1544-53-0x0000026211020000-0x0000026211030000-memory.dmpFilesize
64KB
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memory/1544-54-0x0000026211020000-0x0000026211030000-memory.dmpFilesize
64KB
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memory/1544-51-0x0000026211020000-0x0000026211030000-memory.dmpFilesize
64KB
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memory/1544-50-0x00007FFFABE70000-0x00007FFFAC932000-memory.dmpFilesize
10.8MB
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memory/1544-49-0x0000026229380000-0x00000262293A2000-memory.dmpFilesize
136KB
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memory/1544-55-0x0000026229410000-0x0000026229422000-memory.dmpFilesize
72KB
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memory/1544-56-0x0000026229400000-0x000002622940A000-memory.dmpFilesize
40KB
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memory/1544-62-0x00007FFFABE70000-0x00007FFFAC932000-memory.dmpFilesize
10.8MB
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memory/4136-15-0x0000000000230000-0x00000000006ED000-memory.dmpFilesize
4.7MB
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memory/4136-2-0x0000000000230000-0x00000000006ED000-memory.dmpFilesize
4.7MB
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memory/4136-1-0x0000000077C36000-0x0000000077C38000-memory.dmpFilesize
8KB
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memory/4136-4-0x00000000054D0000-0x00000000054D1000-memory.dmpFilesize
4KB
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memory/4136-3-0x00000000054C0000-0x00000000054C1000-memory.dmpFilesize
4KB
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memory/4136-6-0x00000000054F0000-0x00000000054F1000-memory.dmpFilesize
4KB
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memory/4136-5-0x00000000054B0000-0x00000000054B1000-memory.dmpFilesize
4KB
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memory/4136-7-0x0000000005490000-0x0000000005491000-memory.dmpFilesize
4KB
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memory/4136-8-0x00000000054A0000-0x00000000054A1000-memory.dmpFilesize
4KB
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memory/4136-10-0x0000000005510000-0x0000000005511000-memory.dmpFilesize
4KB
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memory/4136-9-0x0000000005520000-0x0000000005521000-memory.dmpFilesize
4KB
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memory/4136-0-0x0000000000230000-0x00000000006ED000-memory.dmpFilesize
4.7MB
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memory/4912-18-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-79-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-26-0x0000000004D10000-0x0000000004D11000-memory.dmpFilesize
4KB
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memory/4912-25-0x0000000004CC0000-0x0000000004CC1000-memory.dmpFilesize
4KB
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memory/4912-23-0x0000000004C80000-0x0000000004C81000-memory.dmpFilesize
4KB
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memory/4912-52-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-24-0x0000000004C90000-0x0000000004C91000-memory.dmpFilesize
4KB
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memory/4912-28-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-81-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-27-0x0000000004D00000-0x0000000004D01000-memory.dmpFilesize
4KB
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memory/4912-20-0x0000000004CB0000-0x0000000004CB1000-memory.dmpFilesize
4KB
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memory/4912-63-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-64-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-19-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-76-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-77-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-78-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-21-0x0000000004CA0000-0x0000000004CA1000-memory.dmpFilesize
4KB
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memory/4912-80-0x0000000000B50000-0x000000000100D000-memory.dmpFilesize
4.7MB
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memory/4912-22-0x0000000004CE0000-0x0000000004CE1000-memory.dmpFilesize
4KB