Analysis
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max time kernel
148s -
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
25-03-2024 14:05
Static task
static1
Behavioral task
behavioral1
Sample
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe
Resource
win10v2004-20240226-en
General
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Target
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe
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Size
1.8MB
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MD5
6a9790598a40ba512d686dc2ed2bdc37
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SHA1
80864d90e09bbcd59e939f0f4fe3e5c0ea6fbadd
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SHA256
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668
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SHA512
3ce7bcc5b004712b7a5ae80884af9f01fffc42295d057905c7b748c678076cffd670bea767e67e32d16c302389149f39d27968f847e75f1be2b8666cd8466251
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SSDEEP
49152:8jPbj3wnDqgfNdaIS/IfgXdU5m5wuOlHCYS:8vjKTV0rI45jsi7
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:
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 109 3356 rundll32.exe 122 1876 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:
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.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-1-5-21-399997616-3400990511-967324271-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 4988 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.exe8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Wine explorgu.exe Key opened \REGISTRY\USER\S-1-5-21-399997616-3400990511-967324271-1000\Software\Wine 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 3004 rundll32.exe 3356 rundll32.exe 1876 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:
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exeexplorgu.exepid process 3872 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe 4988 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.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:
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exeexplorgu.exerundll32.exepowershell.exepid process 3872 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe 3872 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe 4988 explorgu.exe 4988 explorgu.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 3356 rundll32.exe 4256 powershell.exe 4256 powershell.exe 4256 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 4256 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 4988 wrote to memory of 3004 4988 explorgu.exe rundll32.exe PID 4988 wrote to memory of 3004 4988 explorgu.exe rundll32.exe PID 4988 wrote to memory of 3004 4988 explorgu.exe rundll32.exe PID 3004 wrote to memory of 3356 3004 rundll32.exe rundll32.exe PID 3004 wrote to memory of 3356 3004 rundll32.exe rundll32.exe PID 3356 wrote to memory of 632 3356 rundll32.exe netsh.exe PID 3356 wrote to memory of 632 3356 rundll32.exe netsh.exe PID 3356 wrote to memory of 4256 3356 rundll32.exe powershell.exe PID 3356 wrote to memory of 4256 3356 rundll32.exe powershell.exe PID 4988 wrote to memory of 1876 4988 explorgu.exe rundll32.exe PID 4988 wrote to memory of 1876 4988 explorgu.exe rundll32.exe PID 4988 wrote to memory of 1876 4988 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe"C:\Users\Admin\AppData\Local\Temp\8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.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
PID:3872
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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:4988 -
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:3004 -
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:3356 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:632
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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\999976163400_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4256
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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:1876
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD56a9790598a40ba512d686dc2ed2bdc37
SHA180864d90e09bbcd59e939f0f4fe3e5c0ea6fbadd
SHA2568936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668
SHA5123ce7bcc5b004712b7a5ae80884af9f01fffc42295d057905c7b748c678076cffd670bea767e67e32d16c302389149f39d27968f847e75f1be2b8666cd8466251
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Filesize
160KB
MD5418f402b1b56bf1bd06ecb6a62d33381
SHA156dea9810bf31ad4e45629c6777d702ea8aca2a6
SHA256cb7b22c8b0a99ff94f64118e9916d5be37a4d589f070b8ea979323ca3e0dafab
SHA5129750080bd131715479c0267b2366c01cfe7fc5404637fd05e94df3af95c349b33b318813d413614a0bb012c2f8077dcdd65af092ba4d41ec5e05a081f704b782
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Filesize
160KB
MD537a490652cdeb19207f6321832bb6c08
SHA19873e4a768dfe9043aee91a7af2074117c5ad653
SHA256b79ae9f2d63662b4b4c75bcb7f95874130aa570e3337f9b7df117240969d2deb
SHA512df113e11070e4726565182d94a37c681a962c215e101a27d5e51b31e23dbc428c6d51e643177164aee6a2d441d47550dae919f35a17c4b5549a4f117974b0c96
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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