Analysis
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max time kernel
147s -
max time network
149s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-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 3 3068 rundll32.exe 4 1668 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\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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 1784 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:
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 3468 rundll32.exe 3068 rundll32.exe 1668 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 5096 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe 1784 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 16 IoCs
Processes:
8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exeexplorgu.exerundll32.exepowershell.exepid process 5096 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe 5096 8936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668.exe 1784 explorgu.exe 1784 explorgu.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 3068 rundll32.exe 1020 powershell.exe 1020 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1020 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 1784 wrote to memory of 3468 1784 explorgu.exe rundll32.exe PID 1784 wrote to memory of 3468 1784 explorgu.exe rundll32.exe PID 1784 wrote to memory of 3468 1784 explorgu.exe rundll32.exe PID 3468 wrote to memory of 3068 3468 rundll32.exe rundll32.exe PID 3468 wrote to memory of 3068 3468 rundll32.exe rundll32.exe PID 3068 wrote to memory of 3172 3068 rundll32.exe netsh.exe PID 3068 wrote to memory of 3172 3068 rundll32.exe netsh.exe PID 3068 wrote to memory of 1020 3068 rundll32.exe powershell.exe PID 3068 wrote to memory of 1020 3068 rundll32.exe powershell.exe PID 1784 wrote to memory of 1668 1784 explorgu.exe rundll32.exe PID 1784 wrote to memory of 1668 1784 explorgu.exe rundll32.exe PID 1784 wrote to memory of 1668 1784 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:5096
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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
PID:1784 -
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:3468 -
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:3068 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:3172
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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\567984660271_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1020
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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:1668
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
425KB
MD5951f3fbdf6f651f796f5826981682f64
SHA1d94e667980510113222406960680b3bf703ac055
SHA25677c13d3824de0de2e764697365262efb1745582fe158ab516bec51060177263f
SHA51243e863d85fa47c95d400e6c884699bc61618ce84a5422a9aa497202492f63306e845e9a4c85adbafdd44eb91fde6f9278056ef89416a99bfed71482df9b7ac73
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Filesize
1.8MB
MD56a9790598a40ba512d686dc2ed2bdc37
SHA180864d90e09bbcd59e939f0f4fe3e5c0ea6fbadd
SHA2568936192ea7d48b269cd973461e52017eef18deaa14ad6fdd1bb38f78b945e668
SHA5123ce7bcc5b004712b7a5ae80884af9f01fffc42295d057905c7b748c678076cffd670bea767e67e32d16c302389149f39d27968f847e75f1be2b8666cd8466251
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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