Analysis
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max time kernel
147s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 07:31
Static task
static1
Behavioral task
behavioral1
Sample
45d4b952be3e0144f2309c2b24f8d0f2.exe
Resource
win7-20240319-en
General
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Target
45d4b952be3e0144f2309c2b24f8d0f2.exe
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Size
1.8MB
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MD5
45d4b952be3e0144f2309c2b24f8d0f2
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SHA1
6d4110ed7e909fac3f4bdb3f0548f9cc0526c0f0
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SHA256
c784540c28d57bcb35639df985ab1b5f07c41888d511b42d2595f6e81f020410
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SHA512
da8d18c5aeb230e6ce243515d2fc96b385bd8e0f9bb4f8faa0234b29d3ca46d5217c92bc640fc69d3ef24797c95d716de010f8dc7bcbde7ba8b37941bbfbbc6b
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SSDEEP
49152:x3mb2Sl15Z5kq7dU1JChNKQVy/xmbEvumjvsfi:k6SJ8CN3hEWLf
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:
45d4b952be3e0144f2309c2b24f8d0f2.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 45d4b952be3e0144f2309c2b24f8d0f2.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 4924 rundll32.exe 45 3212 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:
45d4b952be3e0144f2309c2b24f8d0f2.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 45d4b952be3e0144f2309c2b24f8d0f2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 45d4b952be3e0144f2309c2b24f8d0f2.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-1-5-21-1497073144-2389943819-3385106915-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 2356 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:
45d4b952be3e0144f2309c2b24f8d0f2.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Wine 45d4b952be3e0144f2309c2b24f8d0f2.exe Key opened \REGISTRY\USER\S-1-5-21-1497073144-2389943819-3385106915-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 3252 rundll32.exe 4924 rundll32.exe 3212 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:
45d4b952be3e0144f2309c2b24f8d0f2.exeexplorgu.exepid process 3156 45d4b952be3e0144f2309c2b24f8d0f2.exe 2356 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
45d4b952be3e0144f2309c2b24f8d0f2.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 45d4b952be3e0144f2309c2b24f8d0f2.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:
45d4b952be3e0144f2309c2b24f8d0f2.exeexplorgu.exerundll32.exepowershell.exepid process 3156 45d4b952be3e0144f2309c2b24f8d0f2.exe 3156 45d4b952be3e0144f2309c2b24f8d0f2.exe 2356 explorgu.exe 2356 explorgu.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 4924 rundll32.exe 688 powershell.exe 688 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 688 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 2356 wrote to memory of 3252 2356 explorgu.exe rundll32.exe PID 2356 wrote to memory of 3252 2356 explorgu.exe rundll32.exe PID 2356 wrote to memory of 3252 2356 explorgu.exe rundll32.exe PID 3252 wrote to memory of 4924 3252 rundll32.exe rundll32.exe PID 3252 wrote to memory of 4924 3252 rundll32.exe rundll32.exe PID 4924 wrote to memory of 4832 4924 rundll32.exe netsh.exe PID 4924 wrote to memory of 4832 4924 rundll32.exe netsh.exe PID 4924 wrote to memory of 688 4924 rundll32.exe powershell.exe PID 4924 wrote to memory of 688 4924 rundll32.exe powershell.exe PID 2356 wrote to memory of 3212 2356 explorgu.exe rundll32.exe PID 2356 wrote to memory of 3212 2356 explorgu.exe rundll32.exe PID 2356 wrote to memory of 3212 2356 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\45d4b952be3e0144f2309c2b24f8d0f2.exe"C:\Users\Admin\AppData\Local\Temp\45d4b952be3e0144f2309c2b24f8d0f2.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
- Checks computer location settings
- 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\497073144238_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
1.8MB
MD545d4b952be3e0144f2309c2b24f8d0f2
SHA16d4110ed7e909fac3f4bdb3f0548f9cc0526c0f0
SHA256c784540c28d57bcb35639df985ab1b5f07c41888d511b42d2595f6e81f020410
SHA512da8d18c5aeb230e6ce243515d2fc96b385bd8e0f9bb4f8faa0234b29d3ca46d5217c92bc640fc69d3ef24797c95d716de010f8dc7bcbde7ba8b37941bbfbbc6b
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C:\Users\Admin\AppData\Local\Temp\497073144238_Desktop.zipFilesize
183KB
MD5770ccdfe41fa3e9ecac485aaceda04eb
SHA1335f312bfefd30b7d11a023710944860206f7e1c
SHA256c22052cee041307322d24b30d669040333bf52ce1e5115e3fe64bfcc4e23a9af
SHA512d32aa96c5a8b68d6ae0eae34d7e3700496b415663c65fed70cabd8255d959f67e11c94339df4983e88df1b988ee5a95755717c7676a1fbb6c890cfda0c0d3abe
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C:\Users\Admin\AppData\Local\Temp\_Files_\SkipPing.xlsxFilesize
182KB
MD500b9bd99f77147b05400755cf0248fa0
SHA1e433ee59803752c364de3abd3a40b15b340669c5
SHA2563fb67b2de882c9e885c86e8bbb656c90ef2e36fedda26ea3750a22048b396146
SHA512f4488bb965295ac454f8904298cc47bdeeaea79c8eb1d9c93d7567c140c9f69375fa2ebb7ff03b0b5e968d1da82e0d3ec7429f2118547dbafcd31ce2e6abb47d
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_uaxqbc5z.fwa.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/688-58-0x000002614F910000-0x000002614F922000-memory.dmpFilesize
72KB
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memory/688-57-0x00000261355E0000-0x00000261355F0000-memory.dmpFilesize
64KB
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memory/688-55-0x00000261355E0000-0x00000261355F0000-memory.dmpFilesize
64KB
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memory/688-53-0x00007FFEC2F30000-0x00007FFEC39F1000-memory.dmpFilesize
10.8MB
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memory/688-54-0x00000261355E0000-0x00000261355F0000-memory.dmpFilesize
64KB
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memory/688-59-0x00000261355F0000-0x00000261355FA000-memory.dmpFilesize
40KB
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memory/688-43-0x000002614F780000-0x000002614F7A2000-memory.dmpFilesize
136KB
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memory/688-64-0x00007FFEC2F30000-0x00007FFEC39F1000-memory.dmpFilesize
10.8MB
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memory/2356-29-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-56-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-21-0x0000000004D60000-0x0000000004D61000-memory.dmpFilesize
4KB
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memory/2356-26-0x0000000004D40000-0x0000000004D41000-memory.dmpFilesize
4KB
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memory/2356-25-0x0000000004D30000-0x0000000004D31000-memory.dmpFilesize
4KB
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memory/2356-24-0x0000000004D90000-0x0000000004D91000-memory.dmpFilesize
4KB
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memory/2356-23-0x0000000004D50000-0x0000000004D51000-memory.dmpFilesize
4KB
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memory/2356-22-0x0000000004D70000-0x0000000004D71000-memory.dmpFilesize
4KB
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memory/2356-27-0x0000000004DC0000-0x0000000004DC1000-memory.dmpFilesize
4KB
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memory/2356-28-0x0000000004DB0000-0x0000000004DB1000-memory.dmpFilesize
4KB
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memory/2356-86-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-19-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-85-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-84-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-83-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-82-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-81-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-20-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-80-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-79-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-67-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/2356-66-0x0000000000500000-0x00000000009C5000-memory.dmpFilesize
4.8MB
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memory/3156-8-0x0000000005140000-0x0000000005141000-memory.dmpFilesize
4KB
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memory/3156-2-0x00000000007C0000-0x0000000000C85000-memory.dmpFilesize
4.8MB
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memory/3156-4-0x0000000005170000-0x0000000005171000-memory.dmpFilesize
4KB
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memory/3156-5-0x00000000051A0000-0x00000000051A1000-memory.dmpFilesize
4KB
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memory/3156-1-0x00000000776F4000-0x00000000776F6000-memory.dmpFilesize
8KB
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memory/3156-9-0x0000000005190000-0x0000000005191000-memory.dmpFilesize
4KB
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memory/3156-3-0x0000000005160000-0x0000000005161000-memory.dmpFilesize
4KB
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memory/3156-7-0x0000000005150000-0x0000000005151000-memory.dmpFilesize
4KB
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memory/3156-6-0x0000000005130000-0x0000000005131000-memory.dmpFilesize
4KB
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memory/3156-10-0x00000000051C0000-0x00000000051C1000-memory.dmpFilesize
4KB
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memory/3156-11-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/3156-16-0x00000000007C0000-0x0000000000C85000-memory.dmpFilesize
4.8MB
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memory/3156-0-0x00000000007C0000-0x0000000000C85000-memory.dmpFilesize
4.8MB