Analysis
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max time kernel
146s -
max time network
151s -
platform
windows11-21h2_x64 -
resource
win11-20240611-en -
resource tags
arch:x64arch:x86image:win11-20240611-enlocale:en-usos:windows11-21h2-x64system -
submitted
01-07-2024 08:31
Static task
static1
Behavioral task
behavioral1
Sample
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe
Resource
win10v2004-20240611-en
General
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Target
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe
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Size
2.4MB
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MD5
ea3e05eeb3b7ee4f1d64cb116e080348
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SHA1
71e0152c02d114d9c6928aa50ba0e539e4dfb5b4
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SHA256
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf
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SHA512
197a1adc8b4f22e1408644c3ab23d3a2a9fd2b435ec3d32f923841cf475c58b9f5c4e2b77decfb19fabb8a2f2173cec15db46afcc8ca6e46186a03059d11ebbb
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SSDEEP
49152:S1tL8u45YfuWPJKg7/xUVzPmc73X3z1YmTGI583I0eOTahFGLiVhy3FrDP4:S1tL8b8X7/xUVzec7nhYmTGI4//iVsrE
Malware Config
Extracted
stealc
default
http://85.28.47.4
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url_path
/920475a59bac849d.php
Extracted
amadey
4.30
4dd39d
http://77.91.77.82
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install_dir
ad40971b6b
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install_file
explorti.exe
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strings_key
a434973ad22def7137dbb5e059b7081e
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url_paths
/Hun4Ko/index.php
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 4 IoCs
Processes:
BAKJKFHCAE.exeexplorti.exeexplorti.exeexplorti.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ BAKJKFHCAE.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.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:
explorti.exeexplorti.exeexplorti.exeBAKJKFHCAE.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion explorti.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion BAKJKFHCAE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion BAKJKFHCAE.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion explorti.exe -
Executes dropped EXE 5 IoCs
Processes:
BAKJKFHCAE.exeexplorti.exe2d2af028df.exeexplorti.exeexplorti.exepid process 1592 BAKJKFHCAE.exe 2480 explorti.exe 2176 2d2af028df.exe 864 explorti.exe 2152 explorti.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:
BAKJKFHCAE.exeexplorti.exeexplorti.exeexplorti.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Software\Wine BAKJKFHCAE.exe Key opened \REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-1276817940-128734381-631578427-1000\Software\Wine explorti.exe -
Loads dropped DLL 2 IoCs
Processes:
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exepid process 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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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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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs
Processes:
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exeBAKJKFHCAE.exeexplorti.exe2d2af028df.exeexplorti.exeexplorti.exepid process 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 1592 BAKJKFHCAE.exe 2480 explorti.exe 2176 2d2af028df.exe 864 explorti.exe 2152 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
BAKJKFHCAE.exedescription ioc process File created C:\Windows\Tasks\explorti.job BAKJKFHCAE.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe -
Suspicious behavior: EnumeratesProcesses 12 IoCs
Processes:
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exeBAKJKFHCAE.exeexplorti.exeexplorti.exeexplorti.exepid process 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 1592 BAKJKFHCAE.exe 1592 BAKJKFHCAE.exe 2480 explorti.exe 2480 explorti.exe 864 explorti.exe 864 explorti.exe 2152 explorti.exe 2152 explorti.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.execmd.exe2d2af028df.exepid process 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe 4700 cmd.exe 2176 2d2af028df.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.execmd.exeBAKJKFHCAE.exeexplorti.exedescription pid process target process PID 1652 wrote to memory of 4976 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe cmd.exe PID 1652 wrote to memory of 4976 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe cmd.exe PID 1652 wrote to memory of 4976 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe cmd.exe PID 1652 wrote to memory of 4700 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe cmd.exe PID 1652 wrote to memory of 4700 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe cmd.exe PID 1652 wrote to memory of 4700 1652 0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe cmd.exe PID 4976 wrote to memory of 1592 4976 cmd.exe BAKJKFHCAE.exe PID 4976 wrote to memory of 1592 4976 cmd.exe BAKJKFHCAE.exe PID 4976 wrote to memory of 1592 4976 cmd.exe BAKJKFHCAE.exe PID 1592 wrote to memory of 2480 1592 BAKJKFHCAE.exe explorti.exe PID 1592 wrote to memory of 2480 1592 BAKJKFHCAE.exe explorti.exe PID 1592 wrote to memory of 2480 1592 BAKJKFHCAE.exe explorti.exe PID 2480 wrote to memory of 2176 2480 explorti.exe 2d2af028df.exe PID 2480 wrote to memory of 2176 2480 explorti.exe 2d2af028df.exe PID 2480 wrote to memory of 2176 2480 explorti.exe 2d2af028df.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe"C:\Users\Admin\AppData\Local\Temp\0421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\BAKJKFHCAE.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\BAKJKFHCAE.exe"C:\Users\Admin\AppData\Local\Temp\BAKJKFHCAE.exe"3⤵
- 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
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"4⤵
- 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:\Users\Admin\AppData\Local\Temp\1000006001\2d2af028df.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\2d2af028df.exe"5⤵
- Executes dropped EXE
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetWindowsHookEx
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\JKEBFBFIEH.exe"2⤵
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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\ad40971b6b\explorti.exeC:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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:\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
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C:\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
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C:\Users\Admin\AppData\Local\Temp\1000006001\2d2af028df.exeFilesize
2.4MB
MD5ea3e05eeb3b7ee4f1d64cb116e080348
SHA171e0152c02d114d9c6928aa50ba0e539e4dfb5b4
SHA2560421b28912b47fde34fb2b392452c49981524553352fbddde0e0584ec52b21bf
SHA512197a1adc8b4f22e1408644c3ab23d3a2a9fd2b435ec3d32f923841cf475c58b9f5c4e2b77decfb19fabb8a2f2173cec15db46afcc8ca6e46186a03059d11ebbb
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C:\Users\Admin\AppData\Local\Temp\BAKJKFHCAE.exeFilesize
1.8MB
MD57b0fa39c1336d9575818bbaeabd28f7d
SHA1a9b8f4081f1df7addf7f2eeecd8434c5fd2feb20
SHA2560a17825c8b734a1cc0c088c012d0bfd2f3675026134496b08b23be5e3b293a63
SHA51289faaac6549848ca24c1f335a7a1efcfdabfd77bd8d09186ffb3d8c017304b8fb8a3f472c55c8c211f7a2445a5795192a98422b359b6f97191a1504b4eecaf00
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memory/864-122-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/864-121-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/1592-82-0x0000000000490000-0x0000000000955000-memory.dmpFilesize
4.8MB
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memory/1592-95-0x0000000000490000-0x0000000000955000-memory.dmpFilesize
4.8MB
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memory/1652-78-0x0000000000CC0000-0x00000000018BA000-memory.dmpFilesize
12.0MB
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memory/1652-74-0x0000000000CC0000-0x00000000018BA000-memory.dmpFilesize
12.0MB
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memory/1652-2-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB
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memory/1652-0-0x0000000000CC0000-0x00000000018BA000-memory.dmpFilesize
12.0MB
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memory/1652-1-0x000000007EF80000-0x000000007F351000-memory.dmpFilesize
3.8MB
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memory/2152-131-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2152-130-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2176-112-0x0000000000D70000-0x000000000196A000-memory.dmpFilesize
12.0MB
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memory/2176-114-0x0000000000D70000-0x000000000196A000-memory.dmpFilesize
12.0MB
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memory/2480-115-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-120-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-118-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-117-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-123-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-124-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-125-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-126-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-127-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-116-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-129-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-96-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-132-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB
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memory/2480-133-0x00000000004A0000-0x0000000000965000-memory.dmpFilesize
4.8MB