Analysis
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max time kernel
145s -
max time network
158s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
31-03-2024 08:31
Static task
static1
Behavioral task
behavioral1
Sample
7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe
Resource
win10v2004-20240226-en
General
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Target
7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe
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Size
1.8MB
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MD5
6eaa9c6417b48514603ff6dce5552fb0
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SHA1
aea8136d796429b198e3e9280d5eee3d1962243e
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SHA256
7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a
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SHA512
fa2c1edd8c2c0f0af2d3c1e3224fecfecbf7cc43645969e618205de20fcd87842e2b3a6aa995eb51bfc6c018e6b74773f8b714c374faab0dd3b31e001a5171fb
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SSDEEP
49152:1/JtLHZklXNKCtzmeZdg4iZ/lA6b8/AhJzzVLDa:ftLH2l9rX5iZtA6bWwR
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 4 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.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 32 2404 rundll32.exe 41 4056 rundll32.exe -
Downloads MZ/PE file
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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\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.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 -
Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe Key value queried \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation explorha.exe -
Executes dropped EXE 3 IoCs
pid Process 4040 explorha.exe 1128 explorha.exe 3368 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-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe Key opened \REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
pid Process 2484 rundll32.exe 2404 rundll32.exe 4056 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 4 IoCs
pid Process 1932 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe 4040 explorha.exe 1128 explorha.exe 3368 explorha.exe -
Drops file in Windows directory 1 IoCs
description ioc Process File created C:\Windows\Tasks\explorha.job 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 21 IoCs
pid Process 1932 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe 1932 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe 4040 explorha.exe 4040 explorha.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2404 rundll32.exe 2408 powershell.exe 2408 powershell.exe 2408 powershell.exe 1128 explorha.exe 1128 explorha.exe 3368 explorha.exe 3368 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2408 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 1932 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 1932 wrote to memory of 4040 1932 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe 101 PID 1932 wrote to memory of 4040 1932 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe 101 PID 1932 wrote to memory of 4040 1932 7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe 101 PID 4040 wrote to memory of 2484 4040 explorha.exe 104 PID 4040 wrote to memory of 2484 4040 explorha.exe 104 PID 4040 wrote to memory of 2484 4040 explorha.exe 104 PID 2484 wrote to memory of 2404 2484 rundll32.exe 105 PID 2484 wrote to memory of 2404 2484 rundll32.exe 105 PID 2404 wrote to memory of 4036 2404 rundll32.exe 107 PID 2404 wrote to memory of 4036 2404 rundll32.exe 107 PID 2404 wrote to memory of 2408 2404 rundll32.exe 109 PID 2404 wrote to memory of 2408 2404 rundll32.exe 109 PID 4040 wrote to memory of 4056 4040 explorha.exe 111 PID 4040 wrote to memory of 4056 4040 explorha.exe 111 PID 4040 wrote to memory of 4056 4040 explorha.exe 111
Processes
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C:\Users\Admin\AppData\Local\Temp\7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe"C:\Users\Admin\AppData\Local\Temp\7939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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:1932 -
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
- Checks computer location settings
- Executes dropped EXE
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4040 -
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:2484 -
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:2404 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:4036
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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\808065738166_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2408
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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:4056
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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:1128
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4140 --field-trial-handle=3192,i,2785050981002401924,4037047756083432660,262144 --variations-seed-version /prefetch:81⤵PID:1708
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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:3368
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.8MB
MD56eaa9c6417b48514603ff6dce5552fb0
SHA1aea8136d796429b198e3e9280d5eee3d1962243e
SHA2567939481ace0868e47c53d885de56aa47e629bb7d53d3da2d7dcf47aa0fa33b1a
SHA512fa2c1edd8c2c0f0af2d3c1e3224fecfecbf7cc43645969e618205de20fcd87842e2b3a6aa995eb51bfc6c018e6b74773f8b714c374faab0dd3b31e001a5171fb
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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