Analysis
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max time kernel
145s -
max time network
148s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
28-03-2024 04:25
Static task
static1
Behavioral task
behavioral1
Sample
ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe
Resource
win10v2004-20231215-en
General
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Target
ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe
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Size
1.8MB
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MD5
bc2208f64bb57f9fef5665dd5adadb57
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SHA1
694a921161ce5c0ed06fcf533f96830a49a5f6d7
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SHA256
ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770
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SHA512
1703df5bdffd19731162ea2136072a22e826a75c88cce774cf3bf1a9bdfb51e21615c82a1e955c38c74fb804aac4f4d33c25269043b0b63b1a631a2006919dff
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SSDEEP
49152:RfkjEK9Q6B1/UT2YuXyg8HLXpi5uGv8o3H/0trMPlL:ZVcQ6B1/UpuChLZkf0tYPlL
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:
explorgu.exeea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorgu.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 3 4208 rundll32.exe 4 3972 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:
explorgu.exeea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorgu.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorgu.exe -
Executes dropped EXE 1 IoCs
Processes:
explorgu.exepid process 1936 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:
ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exeexplorgu.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Wine ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe Key opened \REGISTRY\USER\S-1-5-21-2930051783-2551506282-3430162621-1000\Software\Wine explorgu.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 1948 rundll32.exe 4208 rundll32.exe 3972 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:
ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exeexplorgu.exepid process 3204 ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe 1936 explorgu.exe -
Drops file in Windows directory 1 IoCs
Processes:
ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exedescription ioc process File created C:\Windows\Tasks\explorgu.job ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.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:
ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exeexplorgu.exerundll32.exepowershell.exepid process 3204 ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe 3204 ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe 1936 explorgu.exe 1936 explorgu.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 4208 rundll32.exe 5116 powershell.exe 5116 powershell.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 5116 powershell.exe -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
explorgu.exerundll32.exerundll32.exedescription pid process target process PID 1936 wrote to memory of 1948 1936 explorgu.exe rundll32.exe PID 1936 wrote to memory of 1948 1936 explorgu.exe rundll32.exe PID 1936 wrote to memory of 1948 1936 explorgu.exe rundll32.exe PID 1948 wrote to memory of 4208 1948 rundll32.exe rundll32.exe PID 1948 wrote to memory of 4208 1948 rundll32.exe rundll32.exe PID 4208 wrote to memory of 3840 4208 rundll32.exe netsh.exe PID 4208 wrote to memory of 3840 4208 rundll32.exe netsh.exe PID 4208 wrote to memory of 5116 4208 rundll32.exe powershell.exe PID 4208 wrote to memory of 5116 4208 rundll32.exe powershell.exe PID 1936 wrote to memory of 3972 1936 explorgu.exe rundll32.exe PID 1936 wrote to memory of 3972 1936 explorgu.exe rundll32.exe PID 1936 wrote to memory of 3972 1936 explorgu.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.exe"C:\Users\Admin\AppData\Local\Temp\ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770.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\930051783255_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
MD5bc2208f64bb57f9fef5665dd5adadb57
SHA1694a921161ce5c0ed06fcf533f96830a49a5f6d7
SHA256ea975d2d53d8a0f5d75cc7ab4b53b8a6b4bf11726781fa6d4e00430e64646770
SHA5121703df5bdffd19731162ea2136072a22e826a75c88cce774cf3bf1a9bdfb51e21615c82a1e955c38c74fb804aac4f4d33c25269043b0b63b1a631a2006919dff
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_s0viingh.irg.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/1936-27-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-73-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-83-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-82-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-81-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-80-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-79-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-78-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-77-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-18-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-19-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-21-0x0000000004AA0000-0x0000000004AA1000-memory.dmpFilesize
4KB
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memory/1936-76-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-20-0x0000000004AB0000-0x0000000004AB1000-memory.dmpFilesize
4KB
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memory/1936-23-0x0000000004A80000-0x0000000004A81000-memory.dmpFilesize
4KB
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memory/1936-24-0x0000000004A90000-0x0000000004A91000-memory.dmpFilesize
4KB
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memory/1936-25-0x0000000004B10000-0x0000000004B11000-memory.dmpFilesize
4KB
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memory/1936-26-0x0000000004B00000-0x0000000004B01000-memory.dmpFilesize
4KB
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memory/1936-75-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-74-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-22-0x0000000004AE0000-0x0000000004AE1000-memory.dmpFilesize
4KB
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memory/1936-72-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-60-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/1936-51-0x0000000000770000-0x0000000000C2B000-memory.dmpFilesize
4.7MB
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memory/3204-10-0x0000000004D10000-0x0000000004D11000-memory.dmpFilesize
4KB
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memory/3204-7-0x0000000004C90000-0x0000000004C91000-memory.dmpFilesize
4KB
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memory/3204-4-0x0000000004CD0000-0x0000000004CD1000-memory.dmpFilesize
4KB
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memory/3204-5-0x0000000004CB0000-0x0000000004CB1000-memory.dmpFilesize
4KB
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memory/3204-6-0x0000000004CF0000-0x0000000004CF1000-memory.dmpFilesize
4KB
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memory/3204-1-0x0000000077AD6000-0x0000000077AD8000-memory.dmpFilesize
8KB
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memory/3204-15-0x00000000006A0000-0x0000000000B5B000-memory.dmpFilesize
4.7MB
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memory/3204-3-0x0000000004CC0000-0x0000000004CC1000-memory.dmpFilesize
4KB
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memory/3204-9-0x0000000004D20000-0x0000000004D21000-memory.dmpFilesize
4KB
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memory/3204-2-0x00000000006A0000-0x0000000000B5B000-memory.dmpFilesize
4.7MB
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memory/3204-0-0x00000000006A0000-0x0000000000B5B000-memory.dmpFilesize
4.7MB
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memory/3204-8-0x0000000004CA0000-0x0000000004CA1000-memory.dmpFilesize
4KB
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memory/5116-49-0x000001C4FFD20000-0x000001C4FFD30000-memory.dmpFilesize
64KB
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memory/5116-48-0x00007FFA015C0000-0x00007FFA02082000-memory.dmpFilesize
10.8MB
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memory/5116-50-0x000001C4E79B0000-0x000001C4E79D2000-memory.dmpFilesize
136KB
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memory/5116-52-0x000001C4E7980000-0x000001C4E7992000-memory.dmpFilesize
72KB
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memory/5116-59-0x00007FFA015C0000-0x00007FFA02082000-memory.dmpFilesize
10.8MB
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memory/5116-53-0x000001C4E7620000-0x000001C4E762A000-memory.dmpFilesize
40KB