Analysis
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max time kernel
146s -
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
28-03-2024 13:14
Static task
static1
Behavioral task
behavioral1
Sample
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe
Resource
win10v2004-20240226-en
General
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Target
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe
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Size
1.8MB
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MD5
72011723d3d4f01c8231e070e7d01ede
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SHA1
ac302d8853f3125ec255ecbd2bff89885b0921f5
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SHA256
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f
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SHA512
4d28964cc05744d14e9111d5440c5980b0ebef9810ce28622ddae61882fedcff26085c0369b230611b0ba2d85d2505febeb1d7fd6476d3868f0a39de5cc63679
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SSDEEP
49152:hpisvgsyCCEldsjDAW48IoUPN2FjT2UrGGX30:hpiYgsLd2cw8N07yGX
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
Processes:
explorha.exeexplorha.exeexplorha.exe692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exedescription ioc process 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__ 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 5 3808 rundll32.exe 6 1712 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.
Processes:
explorha.exe692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exeexplorha.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.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 4 IoCs
Processes:
explorha.exebaran.exeexplorha.exeexplorha.exepid process 1044 explorha.exe 4436 baran.exe 3872 explorha.exe 3476 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.
Processes:
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.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
Processes:
rundll32.exerundll32.exerundll32.exepid process 2696 rundll32.exe 3808 rundll32.exe 1712 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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Adds Run key to start application 2 TTPs 1 IoCs
Processes:
explorha.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Microsoft\Windows\CurrentVersion\Run\baran.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000022001\\baran.exe" explorha.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exeexplorha.exeexplorha.exeexplorha.exepid process 1764 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe 1044 explorha.exe 3872 explorha.exe 3476 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exedescription ioc process File created C:\Windows\Tasks\explorha.job 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: EnumeratesProcesses 20 IoCs
Processes:
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exepid process 1764 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe 1764 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe 1044 explorha.exe 1044 explorha.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 3808 rundll32.exe 1432 powershell.exe 1432 powershell.exe 3872 explorha.exe 3872 explorha.exe 3476 explorha.exe 3476 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 1432 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exepid process 1764 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 1764 wrote to memory of 1044 1764 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe explorha.exe PID 1764 wrote to memory of 1044 1764 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe explorha.exe PID 1764 wrote to memory of 1044 1764 692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe explorha.exe PID 1044 wrote to memory of 4436 1044 explorha.exe baran.exe PID 1044 wrote to memory of 4436 1044 explorha.exe baran.exe PID 1044 wrote to memory of 4436 1044 explorha.exe baran.exe PID 1044 wrote to memory of 2696 1044 explorha.exe rundll32.exe PID 1044 wrote to memory of 2696 1044 explorha.exe rundll32.exe PID 1044 wrote to memory of 2696 1044 explorha.exe rundll32.exe PID 2696 wrote to memory of 3808 2696 rundll32.exe rundll32.exe PID 2696 wrote to memory of 3808 2696 rundll32.exe rundll32.exe PID 3808 wrote to memory of 3480 3808 rundll32.exe netsh.exe PID 3808 wrote to memory of 3480 3808 rundll32.exe netsh.exe PID 3808 wrote to memory of 1432 3808 rundll32.exe powershell.exe PID 3808 wrote to memory of 1432 3808 rundll32.exe powershell.exe PID 1044 wrote to memory of 1712 1044 explorha.exe rundll32.exe PID 1044 wrote to memory of 1712 1044 explorha.exe rundll32.exe PID 1044 wrote to memory of 1712 1044 explorha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.exe"C:\Users\Admin\AppData\Local\Temp\692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f.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:1764 -
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
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1044 -
C:\Users\Admin\AppData\Local\Temp\1000022001\baran.exe"C:\Users\Admin\AppData\Local\Temp\1000022001\baran.exe"3⤵
- Executes dropped EXE
PID:4436 -
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:2696 -
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:3808 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:3480
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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\181651180316_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1432 -
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:1712
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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:3872
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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:3476
Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Credential Access
Unsecured Credentials
3Credentials In Files
2Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1.8MB
MD572011723d3d4f01c8231e070e7d01ede
SHA1ac302d8853f3125ec255ecbd2bff89885b0921f5
SHA256692c809e193bf69131262f627365d1b9f42dd4c4ef5e513f492b3e9128ec809f
SHA5124d28964cc05744d14e9111d5440c5980b0ebef9810ce28622ddae61882fedcff26085c0369b230611b0ba2d85d2505febeb1d7fd6476d3868f0a39de5cc63679
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Filesize
802KB
MD5387de0d7c483a81c9cf541d9c7b21f0f
SHA1a761ad1d01ef276c41530a758830ec940122e984
SHA2560ec3395676f63a30efa1dbb9cbb9552d45f109f0883392290cef25aa561f34f7
SHA512ca5ee7cf11cc017683b9cdb6e9cca3dae8df6440dde0cb8e35650a865045d9910adc77cbccfc9b9aefaf1b7e571fe75c2de58d78aa6605b89487d7b5963bf78b
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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