Analysis
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max time kernel
149s -
max time network
153s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
29-03-2024 07:25
Static task
static1
Behavioral task
behavioral1
Sample
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe
Resource
win10v2004-20240226-en
General
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Target
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe
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Size
1.8MB
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MD5
afe6daa13c0df8da8fc24889920a85da
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SHA1
7ef46e3eab765ebb7b1de8f98c707b265b024211
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SHA256
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517
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SHA512
30386121cc5ee21ab402be4875e2787dbcd73446e4a027588f633e8fbfea69a772c13f014b7fe50e7b4c586921816c925331548e7d8beca26215efbf5e23987e
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SSDEEP
49152:KLIeSuQyawIkAOM5eofZFWa2ysj6H++Gxm8:ojykNM9kysEG
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:
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.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 2340 rundll32.exe 4 396 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:
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.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 280 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:
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe Key opened \REGISTRY\USER\S-1-5-21-3852399462-405385529-394778097-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 4644 rundll32.exe 2340 rundll32.exe 396 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:
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exeexplorgu.exepid process 2136 cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe 280 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exedescription ioc process File created C:\Windows\Tasks\explorgu.job cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.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:
cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exeexplorgu.exerundll32.exepowershell.exepid process 2136 cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe 2136 cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe 280 explorgu.exe 280 explorgu.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 2340 rundll32.exe 4960 powershell.exe 4960 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4960 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 280 wrote to memory of 4644 280 explorgu.exe rundll32.exe PID 280 wrote to memory of 4644 280 explorgu.exe rundll32.exe PID 280 wrote to memory of 4644 280 explorgu.exe rundll32.exe PID 4644 wrote to memory of 2340 4644 rundll32.exe rundll32.exe PID 4644 wrote to memory of 2340 4644 rundll32.exe rundll32.exe PID 2340 wrote to memory of 2448 2340 rundll32.exe netsh.exe PID 2340 wrote to memory of 2448 2340 rundll32.exe netsh.exe PID 2340 wrote to memory of 4960 2340 rundll32.exe powershell.exe PID 2340 wrote to memory of 4960 2340 rundll32.exe powershell.exe PID 280 wrote to memory of 396 280 explorgu.exe rundll32.exe PID 280 wrote to memory of 396 280 explorgu.exe rundll32.exe PID 280 wrote to memory of 396 280 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.exe"C:\Users\Admin\AppData\Local\Temp\cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517.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\852399462405_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
MD5afe6daa13c0df8da8fc24889920a85da
SHA17ef46e3eab765ebb7b1de8f98c707b265b024211
SHA256cb6dcd3bdc33c5dd72328be957c8ce2c66a21c7c74d4f5b16788cfabd0583517
SHA51230386121cc5ee21ab402be4875e2787dbcd73446e4a027588f633e8fbfea69a772c13f014b7fe50e7b4c586921816c925331548e7d8beca26215efbf5e23987e
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_axd3r5dp.orz.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/280-63-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-20-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-79-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-78-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-77-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-76-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-75-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-81-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-52-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-82-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-19-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-80-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-21-0x00000000054E0000-0x00000000054E1000-memory.dmpFilesize
4KB
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memory/280-22-0x00000000054F0000-0x00000000054F1000-memory.dmpFilesize
4KB
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memory/280-23-0x00000000054D0000-0x00000000054D1000-memory.dmpFilesize
4KB
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memory/280-24-0x0000000005510000-0x0000000005511000-memory.dmpFilesize
4KB
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memory/280-25-0x00000000054B0000-0x00000000054B1000-memory.dmpFilesize
4KB
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memory/280-26-0x00000000054C0000-0x00000000054C1000-memory.dmpFilesize
4KB
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memory/280-27-0x0000000005530000-0x0000000005531000-memory.dmpFilesize
4KB
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memory/280-28-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-83-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-84-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/280-62-0x00000000008F0000-0x0000000000D87000-memory.dmpFilesize
4.6MB
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memory/2136-11-0x0000000004E50000-0x0000000004E51000-memory.dmpFilesize
4KB
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memory/2136-7-0x0000000004DD0000-0x0000000004DD1000-memory.dmpFilesize
4KB
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memory/2136-1-0x00000000779A6000-0x00000000779A8000-memory.dmpFilesize
8KB
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memory/2136-2-0x0000000000390000-0x0000000000827000-memory.dmpFilesize
4.6MB
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memory/2136-4-0x0000000004E10000-0x0000000004E11000-memory.dmpFilesize
4KB
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memory/2136-3-0x0000000004E00000-0x0000000004E01000-memory.dmpFilesize
4KB
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memory/2136-5-0x0000000004DF0000-0x0000000004DF1000-memory.dmpFilesize
4KB
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memory/2136-6-0x0000000004E40000-0x0000000004E41000-memory.dmpFilesize
4KB
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memory/2136-16-0x0000000000390000-0x0000000000827000-memory.dmpFilesize
4.6MB
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memory/2136-0-0x0000000000390000-0x0000000000827000-memory.dmpFilesize
4.6MB
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memory/2136-10-0x0000000004E60000-0x0000000004E61000-memory.dmpFilesize
4KB
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memory/2136-9-0x0000000004E30000-0x0000000004E31000-memory.dmpFilesize
4KB
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memory/2136-8-0x0000000004DE0000-0x0000000004DE1000-memory.dmpFilesize
4KB
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memory/4960-51-0x00000181E4C60000-0x00000181E4C70000-memory.dmpFilesize
64KB
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memory/4960-49-0x00000181E4C70000-0x00000181E4C92000-memory.dmpFilesize
136KB
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memory/4960-61-0x00007FFB3E710000-0x00007FFB3F1D2000-memory.dmpFilesize
10.8MB
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memory/4960-55-0x00000181E4C50000-0x00000181E4C5A000-memory.dmpFilesize
40KB
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memory/4960-54-0x00000181E5150000-0x00000181E5162000-memory.dmpFilesize
72KB
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memory/4960-53-0x00000181E4C60000-0x00000181E4C70000-memory.dmpFilesize
64KB
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memory/4960-50-0x00007FFB3E710000-0x00007FFB3F1D2000-memory.dmpFilesize
10.8MB