Analysis
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max time kernel
142s -
max time network
139s -
platform
windows11-21h2_x64 -
resource
win11-20240214-en -
resource tags
arch:x64arch:x86image:win11-20240214-enlocale:en-usos:windows11-21h2-x64system -
submitted
31-03-2024 10:34
Static task
static1
Behavioral task
behavioral1
Sample
6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe
Resource
win10v2004-20240319-en
General
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Target
6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe
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Size
1.8MB
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MD5
9caf5244d003843057309135cdb9d779
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SHA1
bb272cbb19752ab067a0cc9ad6ffc1e9b07443e1
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SHA256
6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66
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SHA512
5af04ebefe733a8cf4ba8b070450faeb7239199bb0501bd3ad728dfb84845d806b80e0302c9b78baa09e9e589ae324b7234c369efc75e27529d192e36be64c49
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SSDEEP
49152:7ROFRJONtAvbPMGVZdWAhTA8WUKDhrnKV5BvNzao/ky:7RibPMGVPPC8WdDZS5RNWos
Malware Config
Extracted
amadey
4.18
http://193.233.132.56
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install_dir
09fd851a4f
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install_file
explorha.exe
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strings_key
443351145ece4966ded809641c77cfa8
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url_paths
/Pneh2sXQk0/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.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 1868 rundll32.exe 4 2496 rundll32.exe -
Downloads MZ/PE file
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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\SystemBiosVersion 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 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\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\VideoBiosVersion explorha.exe -
Executes dropped EXE 4 IoCs
pid Process 3164 explorha.exe 4992 explorha.exe 3788 explorha.exe 4732 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-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-2567984660-2719943099-2683635618-1000\Software\Wine 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe -
Loads dropped DLL 3 IoCs
pid Process 1248 rundll32.exe 1868 rundll32.exe 2496 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 5 IoCs
pid Process 3756 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe 3164 explorha.exe 4992 explorha.exe 3788 explorha.exe 4732 explorha.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 22 IoCs
pid Process 3756 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe 3756 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe 3164 explorha.exe 3164 explorha.exe 4992 explorha.exe 4992 explorha.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 1868 rundll32.exe 5044 powershell.exe 5044 powershell.exe 3788 explorha.exe 3788 explorha.exe 4732 explorha.exe 4732 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5044 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 3756 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 3756 wrote to memory of 3164 3756 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe 76 PID 3756 wrote to memory of 3164 3756 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe 76 PID 3756 wrote to memory of 3164 3756 6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe 76 PID 3164 wrote to memory of 1248 3164 explorha.exe 78 PID 3164 wrote to memory of 1248 3164 explorha.exe 78 PID 3164 wrote to memory of 1248 3164 explorha.exe 78 PID 1248 wrote to memory of 1868 1248 rundll32.exe 79 PID 1248 wrote to memory of 1868 1248 rundll32.exe 79 PID 1868 wrote to memory of 2192 1868 rundll32.exe 80 PID 1868 wrote to memory of 2192 1868 rundll32.exe 80 PID 1868 wrote to memory of 5044 1868 rundll32.exe 82 PID 1868 wrote to memory of 5044 1868 rundll32.exe 82 PID 3164 wrote to memory of 2496 3164 explorha.exe 84 PID 3164 wrote to memory of 2496 3164 explorha.exe 84 PID 3164 wrote to memory of 2496 3164 explorha.exe 84
Processes
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C:\Users\Admin\AppData\Local\Temp\6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.exe"C:\Users\Admin\AppData\Local\Temp\6efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66.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:3756 -
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:3164 -
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:1248 -
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:1868 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:2192
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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 Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5044
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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:2496
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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:4992
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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:3788
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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:4732
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD59caf5244d003843057309135cdb9d779
SHA1bb272cbb19752ab067a0cc9ad6ffc1e9b07443e1
SHA2566efcf42599a54f15f35185abb503518484c5d9ec544ff6f99c447796f357bc66
SHA5125af04ebefe733a8cf4ba8b070450faeb7239199bb0501bd3ad728dfb84845d806b80e0302c9b78baa09e9e589ae324b7234c369efc75e27529d192e36be64c49
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Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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Filesize
109KB
MD5726cd06231883a159ec1ce28dd538699
SHA1404897e6a133d255ad5a9c26ac6414d7134285a2
SHA25612fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
SHA5129ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
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Filesize
1.2MB
MD515a42d3e4579da615a384c717ab2109b
SHA122aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA2563c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
SHA5121eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444