Analysis
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max time kernel
147s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
28-03-2024 02:27
Static task
static1
Behavioral task
behavioral1
Sample
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe
Resource
win10v2004-20240226-en
General
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Target
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe
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Size
1.8MB
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MD5
fd9fbcb76e82f43fcefc978edb2d5401
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SHA1
98c4f77fb8dd309d1f3db8a8f7970f4844103860
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SHA256
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2
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SHA512
de46089afff05a726ee7b8e8bbaf2fb22e0c21eb21dfb5ea4c8b95bd813ef710cb5147dae65fb132b1c0233ea6040ef510f8187e23f8acb1d95566a0de1d0c8b
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SSDEEP
24576:SgfjathaJi3PqCva0PouhtwQh7IWRZ2YABxaSSrSIQD7XfCvE/llYwYNItNEv:7bhJSly0P5tdkYYfiifgENaw3t
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:
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exeexplorgu.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 38 4408 rundll32.exe 50 4388 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:
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exeexplorgu.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.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 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.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-1-5-21-3045580317-3728985860-206385570-1000\Control Panel\International\Geo\Nation explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 2236 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:
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Wine 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe Key opened \REGISTRY\USER\S-1-5-21-3045580317-3728985860-206385570-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1592 rundll32.exe 4408 rundll32.exe 4388 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:
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exeexplorgu.exepid process 232 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe 2236 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exedescription ioc process File created C:\Windows\Tasks\explorgu.job 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.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:
91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exeexplorgu.exerundll32.exepowershell.exepid process 232 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe 232 91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe 2236 explorgu.exe 2236 explorgu.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 4408 rundll32.exe 3116 powershell.exe 3116 powershell.exe 3116 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 3116 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 2236 wrote to memory of 1592 2236 explorgu.exe rundll32.exe PID 2236 wrote to memory of 1592 2236 explorgu.exe rundll32.exe PID 2236 wrote to memory of 1592 2236 explorgu.exe rundll32.exe PID 1592 wrote to memory of 4408 1592 rundll32.exe rundll32.exe PID 1592 wrote to memory of 4408 1592 rundll32.exe rundll32.exe PID 4408 wrote to memory of 5092 4408 rundll32.exe netsh.exe PID 4408 wrote to memory of 5092 4408 rundll32.exe netsh.exe PID 4408 wrote to memory of 3116 4408 rundll32.exe powershell.exe PID 4408 wrote to memory of 3116 4408 rundll32.exe powershell.exe PID 2236 wrote to memory of 4388 2236 explorgu.exe rundll32.exe PID 2236 wrote to memory of 4388 2236 explorgu.exe rundll32.exe PID 2236 wrote to memory of 4388 2236 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.exe"C:\Users\Admin\AppData\Local\Temp\91928cff02a35939c073e174ad69542f10ac4465bcab0db2093214820d2828a2.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:232
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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:2236 -
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:1592 -
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:4408 -
C:\Windows\system32\netsh.exenetsh wlan show profiles4⤵PID:5092
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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\045580317372_Desktop.zip' -CompressionLevel Optimal4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3116
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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:4388
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.7MB
MD5db907c027a1ea3490dc896ddea9d2af0
SHA184e737cf78a9af356b30d2e7d802adf783b552f5
SHA256f472eb4f2c05584628facac552ef5878a3fb1904c030b634944b99588095a5ea
SHA512355e16d0d70a2123b402ccfed9ec1a22864cecdf714dd9be25d83191a9031c697728de483321aee62015026803840430f98c57f567d919fe3c74fcd2489ea9af
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Filesize
256KB
MD5410388a2e38ff9ef5ddbaeba8315f642
SHA1e5f713bf5a5a8620688993d6fc98a615392bafd7
SHA2569444fa75c911f4e0a30095a26705f6583f5ddb61f7d5ef50e8b8a06e7168b931
SHA512b0ae0ca377781bb12c6a62955509c4d854bc346fd34563394408f8f92998198a4312dec406bf021e652b54a03296e941dbfe6f01162d7aedb5a82f726d7d5d56
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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