Analysis
- max time kernel
149s - max time network
150s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
25/03/2024, 02:42
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe
Resource
win10v2004-20240226-en
18 signatures
150 seconds
General
- Target 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe
- Size 1.8MB
- Sample240325-c69q5aea26
- SHA256 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148
- MD5 ea8cb66db6d3333359a7df18d6d1453f
- SHA1 b18f3edb8ad335ea975ca97960601db200348abe
- SHA512 0d95142975d97b3a8771844ba9eab663a40a42984ffdcda80b46062400268e97c625976e7bfcf829d057ccf15cef57a130780bf6a5ec1d130812944ddaa99a19
- SSDEEP 49152:DwfnUEv9+dXpAMOazVFZ258TR1fLsiJfo:hEv4Z4k1fL5o
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
amadey
Version
-
4.18
C2
-
http://193.233.132.56
Attributes
-
install_dir
09fd851a4f
-
install_file
explorha.exe
-
strings_key
443351145ece4966ded809641c77cfa8
-
url_paths
/Pneh2sXQk0/index.php
rc4.plain
Signatures
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe - Blocklisted process makes network request 2 IoCs
flow pid Process 3 5116 rundll32.exe 4 4276 rundll32.exe - Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe - Executes dropped EXE 4 IoCs
pid Process 4788 explorha.exe 2908 explorha.exe 3388 explorha.exe 4336 explorha.exe - Identifies Wine through registry keys 2 TTPs 5 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine explorha.exe - Loads dropped DLL 3 IoCs
pid Process 3060 rundll32.exe 5116 rundll32.exe 4276 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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of NtSetInformationThreadHideFromDebugger 5 IoCs
pid Process 4824 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe 4788 explorha.exe 2908 explorha.exe 3388 explorha.exe 4336 explorha.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 4824 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe 4824 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe 4788 explorha.exe 4788 explorha.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 5116 rundll32.exe 1548 powershell.exe 1548 powershell.exe 2908 explorha.exe 2908 explorha.exe 3388 explorha.exe 3388 explorha.exe 4336 explorha.exe 4336 explorha.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1548 powershell.exe - Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4824 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4824 wrote to memory of 4788 4824 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe 77 PID 4824 wrote to memory of 4788 4824 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe 77 PID 4824 wrote to memory of 4788 4824 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe 77 PID 4788 wrote to memory of 3060 4788 explorha.exe 78 PID 4788 wrote to memory of 3060 4788 explorha.exe 78 PID 4788 wrote to memory of 3060 4788 explorha.exe 78 PID 3060 wrote to memory of 5116 3060 rundll32.exe 79 PID 3060 wrote to memory of 5116 3060 rundll32.exe 79 PID 5116 wrote to memory of 3108 5116 rundll32.exe 80 PID 5116 wrote to memory of 3108 5116 rundll32.exe 80 PID 5116 wrote to memory of 1548 5116 rundll32.exe 82 PID 5116 wrote to memory of 1548 5116 rundll32.exe 82 PID 4788 wrote to memory of 4276 4788 explorha.exe 85 PID 4788 wrote to memory of 4276 4788 explorha.exe 85 PID 4788 wrote to memory of 4276 4788 explorha.exe 85
Processes
-
C:\Users\Admin\AppData\Local\Temp\305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.exe"C:\Users\Admin\AppData\Local\Temp\305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148.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
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4824 -
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"2⤵
- 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:4788 -
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main3⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3060 -
C:\Windows\system32\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll, Main4⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:5116 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:3108
-
-
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\181651180316_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1548
-
-
-
-
C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll, Main3⤵
- Blocklisted process makes network request
- Loads dropped DLL
PID:4276
-
-
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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
PID:2908
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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
PID:3388
-
C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeC:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.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
PID:4336
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 1.8MB
- SHA256 305a47944bf362226938d3ebce72c979cddc67172eb16cc582bcd9224d3b8148
- MD5 ea8cb66db6d3333359a7df18d6d1453f
- SHA1 b18f3edb8ad335ea975ca97960601db200348abe
- SHA512 0d95142975d97b3a8771844ba9eab663a40a42984ffdcda80b46062400268e97c625976e7bfcf829d057ccf15cef57a130780bf6a5ec1d130812944ddaa99a19
- SSDEEP 49152:DwfnUEv9+dXpAMOazVFZ258TR1fLsiJfo:hEv4Z4k1fL5o
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 777KB
- SHA256 9e61e47fa4a5296c2b47f8a90e1c99ce26a376c3eb1490e6f6f3ad3cdc0e5302
- MD5 6cbec6ce440a5819a855bf15b133cdbc
- SHA1 72a56d332b87fa3731f824222c168051644c9f1e
- SHA512 ec53f211aadc86cc59395480cbc0db33c810742858ae2e8093e169d7a31cf0791e57a63da7b7e8656830abc4b3d12212b8fcc572bb21a4e2063c3243f8933bdf
- SSDEEP 12288:u07/Dmp0Q5QJgRuU+URREEGluzIeA6KIQJC+ps+tEQigICHXBqM7:DTMd5QJgYUXEEOudNf+W+rXpXAM7
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_gkvtza1e.ycq.ps1
- Size 60B
- SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
- MD5 d17fe0a3f47be24a6453e9ef58c94641
- SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
- SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
- MD5 SHA1 SHA512
- Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dll
- Size 109KB
- SHA256 12fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
- MD5 726cd06231883a159ec1ce28dd538699
- SHA1 404897e6a133d255ad5a9c26ac6414d7134285a2
- SHA512 9ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
- SSDEEP 3072:Q3uSD+ZwruS0bGcuZRt2sSZV/Q3IegRQod4l:AuTiabHuZRAFtlD4l
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dll
- Size 1.2MB
- SHA256 3c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
- MD5 15a42d3e4579da615a384c717ab2109b
- SHA1 22aeedeb2307b1370cdab70d6a6b6d2c13ad2301
- SHA512 1eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444
- SSDEEP 24576:IvkQL6YY4wMPSYZofkf0Gh6Pi41+a9uyP5dggky+yC7:IsMPSYcS5wPi095Pbg9y
- MD5 SHA1 SHA512 SSDEEP