Analysis
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max time kernel
143s -
max time network
137s -
platform
windows11-21h2_x64 -
resource
win11-20240221-en -
resource tags
arch:x64arch:x86image:win11-20240221-enlocale:en-usos:windows11-21h2-x64system -
submitted
30-03-2024 20:24
Static task
static1
Behavioral task
behavioral1
Sample
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe
Resource
win10v2004-20240226-en
General
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Target
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe
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Size
1.8MB
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MD5
0172d995ea7ecde026c6a6fdeffb3584
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SHA1
c90ecbab5fdc561902f45c68852c181f1039879c
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SHA256
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27
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SHA512
1253512b69bb625658588d099180bd136c4897f6abdc45bfa98da6c7bda5a660d38e2fa6a1649f1670f9faba3384489217ab16e59ff2f8c066eee72cb7e380ef
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SSDEEP
49152:nLoi2Hz68FLfn2h5/qEbTiQ+K7B4qgUe5n:nn2+afazgOLk
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:
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.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
Processes:
rundll32.exerundll32.exeflow pid process 3 480 rundll32.exe 4 2540 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.exeexplorha.exeexplorha.exef8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exedescription ioc process 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 Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorha.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorha.exe -
Executes dropped EXE 3 IoCs
Processes:
explorha.exeexplorha.exeexplorha.exepid process 2532 explorha.exe 4664 explorha.exe 788 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:
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exeexplorha.exeexplorha.exeexplorha.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-4181651180-3163410697-3990547336-1000\Software\Wine f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.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 420 rundll32.exe 480 rundll32.exe 2540 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
Processes:
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exeexplorha.exeexplorha.exeexplorha.exepid process 3476 f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe 2532 explorha.exe 4664 explorha.exe 788 explorha.exe -
Drops file in Windows directory 1 IoCs
Processes:
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exedescription ioc process File created C:\Windows\Tasks\explorha.job f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.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:
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exeexplorha.exerundll32.exepowershell.exeexplorha.exeexplorha.exepid process 3476 f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe 3476 f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe 2532 explorha.exe 2532 explorha.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 480 rundll32.exe 2040 powershell.exe 2040 powershell.exe 4664 explorha.exe 4664 explorha.exe 788 explorha.exe 788 explorha.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
powershell.exedescription pid process Token: SeDebugPrivilege 2040 powershell.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exepid process 3476 f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exeexplorha.exerundll32.exerundll32.exedescription pid process target process PID 3476 wrote to memory of 2532 3476 f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe explorha.exe PID 3476 wrote to memory of 2532 3476 f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe explorha.exe PID 3476 wrote to memory of 2532 3476 f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe explorha.exe PID 2532 wrote to memory of 420 2532 explorha.exe rundll32.exe PID 2532 wrote to memory of 420 2532 explorha.exe rundll32.exe PID 2532 wrote to memory of 420 2532 explorha.exe rundll32.exe PID 420 wrote to memory of 480 420 rundll32.exe rundll32.exe PID 420 wrote to memory of 480 420 rundll32.exe rundll32.exe PID 480 wrote to memory of 4196 480 rundll32.exe netsh.exe PID 480 wrote to memory of 4196 480 rundll32.exe netsh.exe PID 480 wrote to memory of 2040 480 rundll32.exe powershell.exe PID 480 wrote to memory of 2040 480 rundll32.exe powershell.exe PID 2532 wrote to memory of 2540 2532 explorha.exe rundll32.exe PID 2532 wrote to memory of 2540 2532 explorha.exe rundll32.exe PID 2532 wrote to memory of 2540 2532 explorha.exe rundll32.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.exe"C:\Users\Admin\AppData\Local\Temp\f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27.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
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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
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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
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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
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C:\Windows\system32\netsh.exenetsh wlan show profiles5⤵
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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
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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
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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
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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
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\09fd851a4f\explorha.exeFilesize
1.8MB
MD50172d995ea7ecde026c6a6fdeffb3584
SHA1c90ecbab5fdc561902f45c68852c181f1039879c
SHA256f8274acc41a3a96dc6b2b7a1873a9b4d9f05153fa744f418090a03f44d4dfd27
SHA5121253512b69bb625658588d099180bd136c4897f6abdc45bfa98da6c7bda5a660d38e2fa6a1649f1670f9faba3384489217ab16e59ff2f8c066eee72cb7e380ef
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C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_cnlarn44.k2e.ps1Filesize
60B
MD5d17fe0a3f47be24a6453e9ef58c94641
SHA16ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA25696ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
SHA5125b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
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C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\clip64.dllFilesize
109KB
MD5726cd06231883a159ec1ce28dd538699
SHA1404897e6a133d255ad5a9c26ac6414d7134285a2
SHA25612fef2d5995d671ec0e91bdbdc91e2b0d3c90ed3a8b2b13ddaa8ad64727dcd46
SHA5129ea82e7cb6c6a58446bd5033855947c3e2d475d2910f2b941235e0b96aa08eec822d2dd17cc86b2d3fce930f78b799291992408e309a6c63e3011266810ea83e
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C:\Users\Admin\AppData\Roaming\a091ec0a6e2227\cred64.dllFilesize
1.2MB
MD515a42d3e4579da615a384c717ab2109b
SHA122aeedeb2307b1370cdab70d6a6b6d2c13ad2301
SHA2563c97bb410e49b11af8116feb7240b7101e1967cae7538418c45c3d2e072e8103
SHA5121eb7f126dccc88a2479e3818c36120f5af3caa0d632b9ea803485ee6531d6e2a1fd0805b1c4364983d280df23ea5ca3ad4a5fca558ac436efae36af9b795c444
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memory/788-104-0x0000000004E80000-0x0000000004E81000-memory.dmpFilesize
4KB
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memory/788-101-0x0000000004EB0000-0x0000000004EB1000-memory.dmpFilesize
4KB
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memory/788-105-0x0000000004E90000-0x0000000004E91000-memory.dmpFilesize
4KB
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memory/788-106-0x0000000004EC0000-0x0000000004EC1000-memory.dmpFilesize
4KB
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memory/788-100-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/788-99-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/788-102-0x0000000004EA0000-0x0000000004EA1000-memory.dmpFilesize
4KB
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memory/788-103-0x0000000004EE0000-0x0000000004EE1000-memory.dmpFilesize
4KB
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memory/788-107-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2040-59-0x000002ABD8FF0000-0x000002ABD9002000-memory.dmpFilesize
72KB
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memory/2040-60-0x000002ABD8ED0000-0x000002ABD8EDA000-memory.dmpFilesize
40KB
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memory/2040-58-0x000002ABD8E60000-0x000002ABD8E70000-memory.dmpFilesize
64KB
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memory/2040-54-0x000002ABD8E30000-0x000002ABD8E52000-memory.dmpFilesize
136KB
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memory/2040-56-0x000002ABD8E60000-0x000002ABD8E70000-memory.dmpFilesize
64KB
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memory/2040-55-0x00007FFFABE70000-0x00007FFFAC932000-memory.dmpFilesize
10.8MB
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memory/2040-66-0x00007FFFABE70000-0x00007FFFAC932000-memory.dmpFilesize
10.8MB
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memory/2532-25-0x00000000051A0000-0x00000000051A1000-memory.dmpFilesize
4KB
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memory/2532-96-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-32-0x0000000005200000-0x0000000005201000-memory.dmpFilesize
4KB
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memory/2532-33-0x00000000051F0000-0x00000000051F1000-memory.dmpFilesize
4KB
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memory/2532-34-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-30-0x0000000005180000-0x0000000005181000-memory.dmpFilesize
4KB
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memory/2532-29-0x0000000005170000-0x0000000005171000-memory.dmpFilesize
4KB
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memory/2532-28-0x00000000051E0000-0x00000000051E1000-memory.dmpFilesize
4KB
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memory/2532-110-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-27-0x0000000005190000-0x0000000005191000-memory.dmpFilesize
4KB
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memory/2532-57-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-26-0x00000000051B0000-0x00000000051B1000-memory.dmpFilesize
4KB
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memory/2532-24-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-109-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-23-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-67-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-68-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-108-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-79-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-80-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-81-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-97-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-31-0x00000000051D0000-0x00000000051D1000-memory.dmpFilesize
4KB
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memory/2532-95-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-94-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-93-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/2532-92-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/3476-4-0x0000000005120000-0x0000000005121000-memory.dmpFilesize
4KB
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memory/3476-5-0x0000000005100000-0x0000000005101000-memory.dmpFilesize
4KB
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memory/3476-8-0x00000000050F0000-0x00000000050F1000-memory.dmpFilesize
4KB
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memory/3476-6-0x0000000005140000-0x0000000005141000-memory.dmpFilesize
4KB
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memory/3476-7-0x00000000050E0000-0x00000000050E1000-memory.dmpFilesize
4KB
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memory/3476-0-0x0000000000550000-0x0000000000A14000-memory.dmpFilesize
4.8MB
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memory/3476-22-0x0000000000550000-0x0000000000A14000-memory.dmpFilesize
4.8MB
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memory/3476-9-0x0000000005170000-0x0000000005171000-memory.dmpFilesize
4KB
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memory/3476-1-0x0000000077C36000-0x0000000077C38000-memory.dmpFilesize
8KB
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memory/3476-10-0x0000000005160000-0x0000000005161000-memory.dmpFilesize
4KB
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memory/3476-2-0x0000000000550000-0x0000000000A14000-memory.dmpFilesize
4.8MB
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memory/3476-3-0x0000000005110000-0x0000000005111000-memory.dmpFilesize
4KB
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memory/4664-90-0x0000000005540000-0x0000000005541000-memory.dmpFilesize
4KB
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memory/4664-87-0x0000000005560000-0x0000000005561000-memory.dmpFilesize
4KB
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memory/4664-88-0x0000000005500000-0x0000000005501000-memory.dmpFilesize
4KB
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memory/4664-86-0x0000000005520000-0x0000000005521000-memory.dmpFilesize
4KB
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memory/4664-91-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/4664-83-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/4664-84-0x0000000000A90000-0x0000000000F54000-memory.dmpFilesize
4.8MB
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memory/4664-85-0x0000000005530000-0x0000000005531000-memory.dmpFilesize
4KB
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memory/4664-89-0x0000000005510000-0x0000000005511000-memory.dmpFilesize
4KB