Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system - submitted
28/03/2024, 02:14
Static task
static1
Behavioral task
behavioral1
Sample
4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe
Resource
win7-20240221-en
General
- Target 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe
- Size 1.8MB
- Sample240328-cpakpsda3y
- SHA256 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22
- MD5 4f536e229f67740ba94aa84353c5752d
- SHA1 4c92d375db8f1f208f92d6aa73b9c2969dbd38e4
- SHA512 cfe3196b93d805d1f0597677892b9ca178c50ed0689f324e84a73a436c4e41d108869a29bab0aabd7942afcf803f2e3cdc7fdf357f7ddca2ab86c05c53eff35a
- SSDEEP 49152:SVro5A0GsNjweltYGBRCQ8BYJ5de7rBEPdVs7jr2:hG0zjwe3YuCGJPexEPdujK
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
-
amadey
-
4.17
-
http://185.215.113.32
-
install_dir
00c07260dc
-
install_file
explorgu.exe
-
strings_key
461809bd97c251ba0c0c8450c7055f1d
-
url_paths
/yandex/index.php
Extracted
-
amadey
-
4.17
-
http://185.215.113.32
-
strings_key
461809bd97c251ba0c0c8450c7055f1d
-
url_paths
/yandex/index.php
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe - Blocklisted process makes network request 2 IoCs
flow pid Process 36 3828 rundll32.exe 42 3604 rundll32.exe - Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.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-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation explorgu.exe - Executes dropped EXE 1 IoCs
pid Process 3460 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.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorgu.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe - Loads dropped DLL 3 IoCs
pid Process 2528 rundll32.exe 3828 rundll32.exe 3604 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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 3892 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe 3460 explorgu.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorgu.job 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 17 IoCs
pid Process 3892 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe 3892 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe 3460 explorgu.exe 3460 explorgu.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 3828 rundll32.exe 1388 powershell.exe 1388 powershell.exe 1388 powershell.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1388 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3892 4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe - Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 3460 wrote to memory of 2528 3460 explorgu.exe 104 PID 3460 wrote to memory of 2528 3460 explorgu.exe 104 PID 3460 wrote to memory of 2528 3460 explorgu.exe 104 PID 2528 wrote to memory of 3828 2528 rundll32.exe 105 PID 2528 wrote to memory of 3828 2528 rundll32.exe 105 PID 3828 wrote to memory of 4472 3828 rundll32.exe 106 PID 3828 wrote to memory of 4472 3828 rundll32.exe 106 PID 3828 wrote to memory of 1388 3828 rundll32.exe 108 PID 3828 wrote to memory of 1388 3828 rundll32.exe 108 PID 3460 wrote to memory of 3604 3460 explorgu.exe 110 PID 3460 wrote to memory of 3604 3460 explorgu.exe 110 PID 3460 wrote to memory of 3604 3460 explorgu.exe 110
Processes
-
C:\Users\Admin\AppData\Local\Temp\4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.exe"C:\Users\Admin\AppData\Local\Temp\4404db31fa92a0ed3c3f8578f3f1d3992428f84b5b5aba4572acd39d194e8a22.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:3892
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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:3460 -
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:2528 -
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:3828 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:4472
-
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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\808065738166_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1388
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-
-
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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:3604
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-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4160 --field-trial-handle=2304,i,6987730730348465820,3913273227385401271,262144 --variations-seed-version /prefetch:81⤵PID:4572
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
- Size 1.3MB
- SHA256 e65370bbea636eef8c896cbbd13796f139af910c9e0e156d17ddaa75d00592e1
- MD5 00491c484745d9a9a4732adf272f4600
- SHA1 08d3c7b67912f527940bb835b65af23d3049382a
- SHA512 4612983e3ad5f2b7e5c78be2ac2e4ad879c829a89c02386f5f374b11ab3eeb447c27bdd7f215cbe0d36cf3c2426413562e3d2a22cdf51f827883de05d2a0302d
- SSDEEP 24576:PtgVzXo5A7AGssqXjwIdMaGesZGdZJRCi7LeBNBYJ66TwAlU7Y81ScKOULzX:SVro5A0GsNjweltYGBRCQ8BYJ5de7rBW
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\00c07260dc\explorgu.exe
- Size 1.2MB
- SHA256 dcdb1f54e1e231aa7f039c9bb0b261f54c70f07064a62a1084c3047697b108cf
- MD5 9c18bcd8581022c566d0e244b12b2226
- SHA1 4befb7c2c033159d560ae5c73cbd683d4f8e2352
- SHA512 763d7a455d02da1b6902db6f21ac95dafaac7cf27a1aa650d972b384e867b06ccb989f22b3fe938ec5dc041bcc866332714ba564a8597af5458c5367ad995d43
- SSDEEP 24576:PtgVzXo5A7AGssqXjwIdMaGesZGdZJRCi7LeBNBYJ66TwAlU7Y81ScKOu:SVro5A0GsNjweltYGBRCQ8BYJ5de7rBy
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gtdjwxma.r2g.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\clip64.dll
- Size 109KB
- SHA256 8d31b39170909595b518b1a03e9ec950540fabd545ed14817cac5c84b91599ee
- MD5 2afdbe3b99a4736083066a13e4b5d11a
- SHA1 4d4856cf02b3123ac16e63d4a448cdbcb1633546
- SHA512 d89b3c46854153e60e3fa825b394344eee33936d7dbf186af9d95c9adae54428609e3bf21a18d38fce3d96f3e0b8e4e0ed25cb5004fbe288de3aef3a85b1d93f
- SSDEEP 3072:xE5kJp+s5aP40bGsuZR+SVhJQ3ICRv4l:m5ka2obfuZR7Py4l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll
- Size 1.2MB
- SHA256 b4588feacc183cd5a089f9bb950827b75df04bd5a6e67c95ff258e4a34aa0d72
- MD5 92fbdfccf6a63acef2743631d16652a7
- SHA1 971968b1378dd89d59d7f84bf92f16fc68664506
- SHA512 b8ea216d4a59d8858fd4128abb555f8dcf3acca9138e663b488f09dc5200db6dc11ecc235a355e801145bbbb44d7beac6147949d75d78b32fe9cfd2fa200d117
- SSDEEP 24576:ZvkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dgg/l+yC7:ZsMPSYcS5wPi095PbgWl
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\006700e5a2ab05\cred64.dll
- Size 1.1MB
- SHA256 4b11966fe30d57794ca430135eb1729c9d0e5d552e86198d70e71a3723b1fa56
- MD5 16bfad66fcdd1716f47e3345bd0dcd6f
- SHA1 50a2ea644fb9be60277c1a310cf39a767c3fdaf9
- SHA512 b5f7b10b181a3b0b3d269a96436a6d57965f2270a1effb60ef54cddb1a6f496f0a7bc5fa4d1505683050d35c6f128036aa5bbf073658e474402b8afe6e5f0871
- SSDEEP 24576:ZvkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dgg/la:ZsMPSYcS5wPi095PbgWla
- MD5 SHA1 SHA512 SSDEEP