Analysis
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max time kernel
148s -
max time network
155s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
29-03-2024 06:32
Static task
static1
Behavioral task
behavioral1
Sample
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe
Resource
win10v2004-20240226-en
Behavioral task
behavioral2
Sample
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe
Resource
win11-20240221-en
General
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Target
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe
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Size
1.8MB
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MD5
61da1fea2839b0dc934c187439990209
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SHA1
8426600680955ef9e564c191d326d09eaf1ddde6
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SHA256
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f
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SHA512
4ac34032bd522bf1e0949b6d89a5ccd3169bc5463735aac3b65449f572422f86be8c483aa6abefe03aecfbd1c5e44c65ccbe352f560d168615b8804c66ddb849
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SSDEEP
24576:ToeUVYJbgphaghAUV7WjSOWToQXFuhjgoP+tfF8IAZWlKoL7tR+d9L+rKnjf:UvhphSUMmTTothjg4ot0WDLH+v3
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:
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 22 4524 rundll32.exe 36 1844 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:
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.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-1-5-21-513485977-2495024337-1260977654-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 3252 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:
explorgu.exe26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine explorgu.exe Key opened \REGISTRY\USER\S-1-5-21-513485977-2495024337-1260977654-1000\Software\Wine 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 4940 rundll32.exe 4524 rundll32.exe 1844 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:
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exeexplorgu.exepid process 560 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe 3252 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.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:
26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exeexplorgu.exerundll32.exepowershell.exepid process 560 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe 560 26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe 3252 explorgu.exe 3252 explorgu.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 4524 rundll32.exe 1076 powershell.exe 1076 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1076 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 3252 wrote to memory of 4940 3252 explorgu.exe rundll32.exe PID 3252 wrote to memory of 4940 3252 explorgu.exe rundll32.exe PID 3252 wrote to memory of 4940 3252 explorgu.exe rundll32.exe PID 4940 wrote to memory of 4524 4940 rundll32.exe rundll32.exe PID 4940 wrote to memory of 4524 4940 rundll32.exe rundll32.exe PID 4524 wrote to memory of 2348 4524 rundll32.exe netsh.exe PID 4524 wrote to memory of 2348 4524 rundll32.exe netsh.exe PID 4524 wrote to memory of 1076 4524 rundll32.exe powershell.exe PID 4524 wrote to memory of 1076 4524 rundll32.exe powershell.exe PID 3252 wrote to memory of 1844 3252 explorgu.exe rundll32.exe PID 3252 wrote to memory of 1844 3252 explorgu.exe rundll32.exe PID 3252 wrote to memory of 1844 3252 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.exe"C:\Users\Admin\AppData\Local\Temp\26121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f.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\134859772495_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
MD561da1fea2839b0dc934c187439990209
SHA18426600680955ef9e564c191d326d09eaf1ddde6
SHA25626121a6c86c1d4500587baa28347bc27612f064a77008db86a6c9c3065f67d1f
SHA5124ac34032bd522bf1e0949b6d89a5ccd3169bc5463735aac3b65449f572422f86be8c483aa6abefe03aecfbd1c5e44c65ccbe352f560d168615b8804c66ddb849
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zxmldwnb.xby.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/560-9-0x00000000055F0000-0x00000000055F1000-memory.dmpFilesize
4KB
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memory/560-4-0x0000000005590000-0x0000000005591000-memory.dmpFilesize
4KB
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memory/560-6-0x0000000005570000-0x0000000005571000-memory.dmpFilesize
4KB
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memory/560-7-0x0000000005580000-0x0000000005581000-memory.dmpFilesize
4KB
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memory/560-8-0x00000000055C0000-0x00000000055C1000-memory.dmpFilesize
4KB
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memory/560-10-0x00000000055E0000-0x00000000055E1000-memory.dmpFilesize
4KB
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memory/560-0-0x0000000000BD0000-0x0000000001081000-memory.dmpFilesize
4.7MB
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memory/560-15-0x0000000000BD0000-0x0000000001081000-memory.dmpFilesize
4.7MB
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memory/560-3-0x00000000055A0000-0x00000000055A1000-memory.dmpFilesize
4KB
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memory/560-5-0x00000000055D0000-0x00000000055D1000-memory.dmpFilesize
4KB
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memory/560-1-0x0000000077D94000-0x0000000077D96000-memory.dmpFilesize
8KB
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memory/560-2-0x0000000000BD0000-0x0000000001081000-memory.dmpFilesize
4.7MB
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memory/1076-56-0x000001BF66140000-0x000001BF66152000-memory.dmpFilesize
72KB
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memory/1076-54-0x000001BF000F0000-0x000001BF00100000-memory.dmpFilesize
64KB
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memory/1076-53-0x000001BF000F0000-0x000001BF00100000-memory.dmpFilesize
64KB
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memory/1076-52-0x00007FFA6E7F0000-0x00007FFA6F2B1000-memory.dmpFilesize
10.8MB
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memory/1076-51-0x000001BF679A0000-0x000001BF679C2000-memory.dmpFilesize
136KB
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memory/1076-57-0x000001BF66120000-0x000001BF6612A000-memory.dmpFilesize
40KB
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memory/1076-63-0x00007FFA6E7F0000-0x00007FFA6F2B1000-memory.dmpFilesize
10.8MB
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memory/3252-29-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-65-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-27-0x0000000004BA0000-0x0000000004BA1000-memory.dmpFilesize
4KB
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memory/3252-26-0x0000000004B70000-0x0000000004B71000-memory.dmpFilesize
4KB
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memory/3252-25-0x0000000004B40000-0x0000000004B41000-memory.dmpFilesize
4KB
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memory/3252-24-0x0000000004B20000-0x0000000004B21000-memory.dmpFilesize
4KB
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memory/3252-23-0x0000000004B10000-0x0000000004B11000-memory.dmpFilesize
4KB
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memory/3252-20-0x0000000004B50000-0x0000000004B51000-memory.dmpFilesize
4KB
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memory/3252-55-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-22-0x0000000004B80000-0x0000000004B81000-memory.dmpFilesize
4KB
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memory/3252-21-0x0000000004B30000-0x0000000004B31000-memory.dmpFilesize
4KB
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memory/3252-19-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-64-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-28-0x0000000004B90000-0x0000000004B91000-memory.dmpFilesize
4KB
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memory/3252-18-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-77-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-78-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-79-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-80-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-81-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-82-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-83-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-84-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-85-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-86-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB
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memory/3252-87-0x0000000000E60000-0x0000000001311000-memory.dmpFilesize
4.7MB