Analysis
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max time kernel
149s -
max time network
154s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
22-03-2024 06:17
Static task
static1
Behavioral task
behavioral1
Sample
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe
Resource
win10v2004-20240226-en
General
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Target
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe
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Size
1.8MB
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MD5
b504e3cd99671bb97782a2b61f29473a
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SHA1
ba02dc70044d50be70b1cf6615cafe592a1cf2d4
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SHA256
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c
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SHA512
4501a4f38e569f9423b08653eaa8fc88f076983d4203704518874b5d5affc19c6f4994cb3e4febc0d804192567d843a3e07d305d684184412f481ca635eee518
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SSDEEP
49152:VxgbSOnEXjAV0129KCyhnzDtyXuDfPFltAJLvcA:VC3ES0129KfzVLPFltCL
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:
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exeexplorha.exeab62514b5b.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorha.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ ab62514b5b.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
Processes:
rundll32.exerundll32.exeflow pid process 5 1580 rundll32.exe 6 5012 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:
ab62514b5b.exeexplorha.exeexplorha.exeb75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exeexplorha.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ab62514b5b.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\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ab62514b5b.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe -
Executes dropped EXE 4 IoCs
Processes:
explorha.exeab62514b5b.exeexplorha.exeexplorha.exepid process 4400 explorha.exe 1420 ab62514b5b.exe 4552 explorha.exe 4884 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.exeexplorha.exeb75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exeexplorha.exeab62514b5b.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine explorha.exe Key opened \REGISTRY\USER\S-1-5-21-3084248216-1643706459-906455512-1000\Software\Wine ab62514b5b.exe -
Loads dropped DLL 3 IoCs
Processes:
rundll32.exerundll32.exerundll32.exepid process 3284 rundll32.exe 1580 rundll32.exe 5012 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-1-5-21-3084248216-1643706459-906455512-1000\Software\Microsoft\Windows\CurrentVersion\Run\ab62514b5b.exe = "C:\\Users\\Admin\\AppData\\Local\\Temp\\1000022001\\ab62514b5b.exe" explorha.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 4 IoCs
Processes:
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exeexplorha.exeexplorha.exeexplorha.exepid process 1388 b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe 4400 explorha.exe 4552 explorha.exe 4884 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exedescription ioc process File created C:\Windows\Tasks\explorha.job b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.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:
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exepid process 1388 b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe 1388 b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe 4400 explorha.exe 4400 explorha.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 1580 rundll32.exe 2480 powershell.exe 2480 powershell.exe 4552 explorha.exe 4552 explorha.exe 4884 explorha.exe 4884 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2480 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exepid process 1388 b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 1388 wrote to memory of 4400 1388 b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe explorha.exe PID 1388 wrote to memory of 4400 1388 b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe explorha.exe PID 1388 wrote to memory of 4400 1388 b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe explorha.exe PID 4400 wrote to memory of 1420 4400 explorha.exe ab62514b5b.exe PID 4400 wrote to memory of 1420 4400 explorha.exe ab62514b5b.exe PID 4400 wrote to memory of 1420 4400 explorha.exe ab62514b5b.exe PID 4400 wrote to memory of 4740 4400 explorha.exe explorha.exe PID 4400 wrote to memory of 4740 4400 explorha.exe explorha.exe PID 4400 wrote to memory of 4740 4400 explorha.exe explorha.exe PID 4400 wrote to memory of 3284 4400 explorha.exe rundll32.exe PID 4400 wrote to memory of 3284 4400 explorha.exe rundll32.exe PID 4400 wrote to memory of 3284 4400 explorha.exe rundll32.exe PID 3284 wrote to memory of 1580 3284 rundll32.exe rundll32.exe PID 3284 wrote to memory of 1580 3284 rundll32.exe rundll32.exe PID 1580 wrote to memory of 2796 1580 rundll32.exe netsh.exe PID 1580 wrote to memory of 2796 1580 rundll32.exe netsh.exe PID 1580 wrote to memory of 2480 1580 rundll32.exe powershell.exe PID 1580 wrote to memory of 2480 1580 rundll32.exe powershell.exe PID 4400 wrote to memory of 5012 4400 explorha.exe rundll32.exe PID 4400 wrote to memory of 5012 4400 explorha.exe rundll32.exe PID 4400 wrote to memory of 5012 4400 explorha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.exe"C:\Users\Admin\AppData\Local\Temp\b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c.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:1388 -
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:4400 -
C:\Users\Admin\AppData\Local\Temp\1000022001\ab62514b5b.exe"C:\Users\Admin\AppData\Local\Temp\1000022001\ab62514b5b.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:1420
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exe"3⤵PID:4740
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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:3284 -
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:1580 -
C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵PID:2796
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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\084248216164_Desktop.zip' -CompressionLevel Optimal5⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2480
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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:5012
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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:4552
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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:4884
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
MD5b504e3cd99671bb97782a2b61f29473a
SHA1ba02dc70044d50be70b1cf6615cafe592a1cf2d4
SHA256b75d40a561eecad029bf31fcfd040387cf5aba05af9ab23c3c734ffb5ace9d8c
SHA5124501a4f38e569f9423b08653eaa8fc88f076983d4203704518874b5d5affc19c6f4994cb3e4febc0d804192567d843a3e07d305d684184412f481ca635eee518
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Filesize
3.0MB
MD5f7d0b9a47350b18977afac12f662e550
SHA1d92a5804470b9092e8e4ab530b56742563674254
SHA256dd4ac76fbf2a0922508e73a02bbc05a3c57d320d2f4a3c4d80ad9def9a4aef94
SHA5127d562c1eb01174a6ea6f11c53e2eb1f58b426e9ee101eddd3fac1b28e45ba35b34f929ee3e269c2c4585a509b2698979cc53acb5949b9389ee5b848e47c74d36
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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