Analysis
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max time kernel
153s -
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
22-03-2024 04:27
Static task
static1
Behavioral task
behavioral1
Sample
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe
Resource
win10v2004-20240226-en
General
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Target
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe
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Size
1.8MB
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MD5
65ec57814c082b74774f8b2dc6764a4b
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SHA1
d7824ca7b165af58126afd8857169227bc22b52f
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SHA256
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5
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SHA512
58b4f6aab8517ff23959a33488700b91ef8fca30ea0b07a0c3b216d6654133a543ef0d26099825c924d1fe0fe42b4dabc1691508255cb6ea0292338a6bbebffa
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SSDEEP
49152:UX9WA/jWOMFaldQ+FG166raAv5EbkidW0tjOfxk54a:UNZ/jRMFa7Q+E166jv5+WKKf25
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:
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 61 3220 rundll32.exe 64 4380 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:
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.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.
Processes:
explorgu.exedescription 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
Processes:
explorgu.exepid process 988 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:
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 908 rundll32.exe 3220 rundll32.exe 4380 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:
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exeexplorgu.exepid process 116 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe 988 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.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:
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exeexplorgu.exerundll32.exepowershell.exepid process 116 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe 116 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe 988 explorgu.exe 988 explorgu.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 3220 rundll32.exe 1104 powershell.exe 1104 powershell.exe 1104 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1104 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exepid process 116 501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 988 wrote to memory of 908 988 explorgu.exe rundll32.exe PID 988 wrote to memory of 908 988 explorgu.exe rundll32.exe PID 988 wrote to memory of 908 988 explorgu.exe rundll32.exe PID 908 wrote to memory of 3220 908 rundll32.exe rundll32.exe PID 908 wrote to memory of 3220 908 rundll32.exe rundll32.exe PID 3220 wrote to memory of 1980 3220 rundll32.exe netsh.exe PID 3220 wrote to memory of 1980 3220 rundll32.exe netsh.exe PID 3220 wrote to memory of 1104 3220 rundll32.exe powershell.exe PID 3220 wrote to memory of 1104 3220 rundll32.exe powershell.exe PID 988 wrote to memory of 4380 988 explorgu.exe rundll32.exe PID 988 wrote to memory of 4380 988 explorgu.exe rundll32.exe PID 988 wrote to memory of 4380 988 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.exe"C:\Users\Admin\AppData\Local\Temp\501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5.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:116
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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:988 -
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:908 -
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:3220 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:1980
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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:1104
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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:4380
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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=4088 --field-trial-handle=3088,i,14310325015283915034,7660943942870463106,262144 --variations-seed-version /prefetch:81⤵PID:1832
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
143KB
MD586caf4afecd1f3186ecd9c699b1a5a7b
SHA1b5ac2df45c56add525ec9570ad827b9fd09bcd1d
SHA25645093527a1c482bf4c8a50ffb77f66718a040677b08325ac2b47e9770803fcc7
SHA5129f0617f6e218619307a93e7262b6b76ad8ecca2949a605b006fe4b6951440723e80290b314f21da92e4951708983371237017398654bfd3235aa5988e046c837
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Filesize
1.8MB
MD565ec57814c082b74774f8b2dc6764a4b
SHA1d7824ca7b165af58126afd8857169227bc22b52f
SHA256501d8dd7e9fca9267dc3dfb771c5099501769e7c293e474888fb93fa43d92ad5
SHA51258b4f6aab8517ff23959a33488700b91ef8fca30ea0b07a0c3b216d6654133a543ef0d26099825c924d1fe0fe42b4dabc1691508255cb6ea0292338a6bbebffa
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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