Analysis
- max time kernel
142s - max time network
137s - platform
windows11-21h2_x64 - resource
win11-20240221-en - resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system - submitted
03/04/2024, 22:37
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe
Resource
win10v2004-20240226-en
19 signatures
150 seconds
General
- Target dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe
- Size 1.8MB
- Sample240403-2jw9ysfd49
- SHA256 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7
- MD5 bc6e97d74e133192ebce1d37524462cd
- SHA1 028e979834acfbcee7b6a00a8de2df538022d48e
- SHA512 4b70df176512616108fb9dbe26be5ebb533281f65b734bce7c92b8b223510a82af12299df3bc8ab683cf4168d7ea749479467dcab8f992029a8e47d0ba063ac6
- SSDEEP 49152:WrzQ7WlUBsYdQojV3EwvyiUZZZtDXkoP9K9SsffYJD:Ww7WJYdQojV3gisRlK9JYt
- 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 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.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 3 564 rundll32.exe 4 2336 rundll32.exe - Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 8 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 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.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\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe - Executes dropped EXE 3 IoCs
pid Process 1692 explorha.exe 2956 explorha.exe 244 explorha.exe - Identifies Wine through registry keys 2 TTPs 4 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-1-5-21-1637591879-962683004-3585269084-1000\Software\Wine dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe Key opened \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-1637591879-962683004-3585269084-1000\Software\Wine explorha.exe - Loads dropped DLL 3 IoCs
pid Process 4740 rundll32.exe 564 rundll32.exe 2336 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 4 IoCs
pid Process 4200 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe 1692 explorha.exe 2956 explorha.exe 244 explorha.exe - Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe - Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 20 IoCs
pid Process 4200 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe 4200 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe 1692 explorha.exe 1692 explorha.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 564 rundll32.exe 236 powershell.exe 236 powershell.exe 2956 explorha.exe 2956 explorha.exe 244 explorha.exe 244 explorha.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 236 powershell.exe - Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4200 wrote to memory of 1692 4200 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe 77 PID 4200 wrote to memory of 1692 4200 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe 77 PID 4200 wrote to memory of 1692 4200 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe 77 PID 1692 wrote to memory of 4740 1692 explorha.exe 78 PID 1692 wrote to memory of 4740 1692 explorha.exe 78 PID 1692 wrote to memory of 4740 1692 explorha.exe 78 PID 4740 wrote to memory of 564 4740 rundll32.exe 79 PID 4740 wrote to memory of 564 4740 rundll32.exe 79 PID 564 wrote to memory of 4136 564 rundll32.exe 80 PID 564 wrote to memory of 4136 564 rundll32.exe 80 PID 564 wrote to memory of 236 564 rundll32.exe 82 PID 564 wrote to memory of 236 564 rundll32.exe 82 PID 1692 wrote to memory of 2336 1692 explorha.exe 84 PID 1692 wrote to memory of 2336 1692 explorha.exe 84 PID 1692 wrote to memory of 2336 1692 explorha.exe 84
Processes
-
C:\Users\Admin\AppData\Local\Temp\dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.exe"C:\Users\Admin\AppData\Local\Temp\dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7.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 WriteProcessMemory
PID:4200 -
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:1692 -
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:4740 -
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:564 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:4136
-
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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\637591879962_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:236
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-
-
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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:2336
-
-
-
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:2956
-
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:244
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe
- Size 1.8MB
- SHA256 dcf44319c87c1f3fc8c36652d58a7d99b78fc068048a9c518b765ac7af767af7
- MD5 bc6e97d74e133192ebce1d37524462cd
- SHA1 028e979834acfbcee7b6a00a8de2df538022d48e
- SHA512 4b70df176512616108fb9dbe26be5ebb533281f65b734bce7c92b8b223510a82af12299df3bc8ab683cf4168d7ea749479467dcab8f992029a8e47d0ba063ac6
- SSDEEP 49152:WrzQ7WlUBsYdQojV3EwvyiUZZZtDXkoP9K9SsffYJD:Ww7WJYdQojV3gisRlK9JYt
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vsknkph4.s55.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