Analysis
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max time kernel
146s -
max time network
146s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
21-03-2024 19:17
Static task
static1
Behavioral task
behavioral1
Sample
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe
Resource
win10v2004-20240226-en
General
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Target
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe
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Size
1.8MB
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MD5
153dbe76109b82008407daa4047e5f0a
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SHA1
59a68c8e56801983e86609f4098f9f10b8f3bcf7
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SHA256
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268
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SHA512
b676400639f555efbf25f1d11ae3ce0574319d64c447242e2018e6346c53bb16b5a90c282062e0c9dee73aa00f39328af7271270635d6e6988068bc3e0129184
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SSDEEP
49152:GtcRq+My/ZzXCESCwOLUYzrRrNvZkNZ4QeY5C5kCVF:GtVy/hbnjzVNh1
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
Processes:
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exeexplorha.exeexplorha.exe8db74a6a7e.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.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__ 8db74a6a7e.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe -
Blocklisted process makes network request 2 IoCs
Processes:
rundll32.exerundll32.exeflow pid process 5 1748 rundll32.exe 7 2804 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.
Processes:
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exeexplorha.exeexplorha.exe8db74a6a7e.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.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 8db74a6a7e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.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 8db74a6a7e.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe -
Executes dropped EXE 4 IoCs
Processes:
explorha.exeexplorha.exe8db74a6a7e.exeexplorha.exepid process 5004 explorha.exe 3572 explorha.exe 2216 8db74a6a7e.exe 4992 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.
Processes:
explorha.exe8db74a6a7e.exeexplorha.exe3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine 8db74a6a7e.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe Key opened \REGISTRY\USER\S-1-5-21-3594324687-1993884830-4019639329-1000\Software\Wine explorha.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 2112 rundll32.exe 1748 rundll32.exe 2804 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-1-5-21-3594324687-1993884830-4019639329-1000\Software\Microsoft\Windows\CurrentVersion\Run\8db74a6a7e.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000022001\\8db74a6a7e.exe" explorha.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exeexplorha.exeexplorha.exeexplorha.exepid process 2824 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe 5004 explorha.exe 3572 explorha.exe 4992 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exedescription ioc process File created C:\Windows\Tasks\explorha.job 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.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:
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exepid process 2824 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe 2824 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe 5004 explorha.exe 5004 explorha.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 1748 rundll32.exe 2460 powershell.exe 2460 powershell.exe 3572 explorha.exe 3572 explorha.exe 4992 explorha.exe 4992 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2460 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exepid process 2824 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 2824 wrote to memory of 5004 2824 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe explorha.exe PID 2824 wrote to memory of 5004 2824 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe explorha.exe PID 2824 wrote to memory of 5004 2824 3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe explorha.exe PID 5004 wrote to memory of 2112 5004 explorha.exe rundll32.exe PID 5004 wrote to memory of 2112 5004 explorha.exe rundll32.exe PID 5004 wrote to memory of 2112 5004 explorha.exe rundll32.exe PID 2112 wrote to memory of 1748 2112 rundll32.exe rundll32.exe PID 2112 wrote to memory of 1748 2112 rundll32.exe rundll32.exe PID 1748 wrote to memory of 2920 1748 rundll32.exe netsh.exe PID 1748 wrote to memory of 2920 1748 rundll32.exe netsh.exe PID 1748 wrote to memory of 2460 1748 rundll32.exe powershell.exe PID 1748 wrote to memory of 2460 1748 rundll32.exe powershell.exe PID 5004 wrote to memory of 2804 5004 explorha.exe rundll32.exe PID 5004 wrote to memory of 2804 5004 explorha.exe rundll32.exe PID 5004 wrote to memory of 2804 5004 explorha.exe rundll32.exe PID 5004 wrote to memory of 2216 5004 explorha.exe 8db74a6a7e.exe PID 5004 wrote to memory of 2216 5004 explorha.exe 8db74a6a7e.exe PID 5004 wrote to memory of 2216 5004 explorha.exe 8db74a6a7e.exe PID 5004 wrote to memory of 4540 5004 explorha.exe explorha.exe PID 5004 wrote to memory of 4540 5004 explorha.exe explorha.exe PID 5004 wrote to memory of 4540 5004 explorha.exe explorha.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.exe"C:\Users\Admin\AppData\Local\Temp\3c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268.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:2824 -
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:5004 -
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:2112 -
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:1748 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:2920
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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\594324687199_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2460
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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:2804
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C:\Users\Admin\AppData\Local\Temp\1000022001\8db74a6a7e.exe"C:\Users\Admin\AppData\Local\Temp\1000022001\8db74a6a7e.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Identifies Wine through registry keys
PID:2216
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"3⤵PID:4540
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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:3572
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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
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
MD5153dbe76109b82008407daa4047e5f0a
SHA159a68c8e56801983e86609f4098f9f10b8f3bcf7
SHA2563c687f92b02d979f0b08b876094fadfb897820028f52e0b143d3f98f6c47c268
SHA512b676400639f555efbf25f1d11ae3ce0574319d64c447242e2018e6346c53bb16b5a90c282062e0c9dee73aa00f39328af7271270635d6e6988068bc3e0129184
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Filesize
3.0MB
MD5eed19108f875c73576a235b704b0c830
SHA15f39a8a6a3350aa341fbcd22e3594d1e4209c3a7
SHA256ef336e9fdd53565e5a37f59b82f6b413ffe057d3e09efb59cd2095d93fdec423
SHA512e744ab1c1657eaab4094b65ca1e237de70d6e9d7763ae5cd563299f6b6eb8a992d0fbd8c11860942f412d81d4755463071378be4239576fc1b364230adf7abd2
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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