Analysis
-
max time kernel
143s -
max time network
116s -
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 12:50
Static task
static1
Behavioral task
behavioral1
Sample
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
Resource
win10v2004-20240508-en
General
-
Target
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe
-
Size
1.8MB
-
MD5
04a428c0416a58b182ed49f2d3af8313
-
SHA1
a863d597d3b0d7b87c52c81dd0b5e57e2c562547
-
SHA256
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588
-
SHA512
8ba8cf413ba7fb5f88779c4280346dfd142ebe97c878b27f445cff9fd112e9e853f1983802b861379c608de4d546cbb7d9bc8848d582be50bcb056695ab9e800
-
SSDEEP
49152:j7/XrqHUn1ufmL8uLlChLK38fgLKx9JlZi5o1vTH3bW6FEEK:f/FuuL8uLlCQWxPlZi5o1fW6qE
Malware Config
Extracted
amadey
4.30
4dd39d
http://77.91.77.82
-
install_dir
ad40971b6b
-
install_file
explorti.exe
-
strings_key
a434973ad22def7137dbb5e059b7081e
-
url_paths
/Hun4Ko/index.php
Extracted
stealc
default
http://85.28.47.4
-
url_path
/920475a59bac849d.php
Signatures
-
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
Processes:
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exeKFBFCAFCBK.exeexplorti.exeexplorti.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ explorti.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ KFBFCAFCBK.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
-
Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
explorti.exeexplorti.exebf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exeKFBFCAFCBK.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\SystemBiosVersion bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.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 KFBFCAFCBK.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion KFBFCAFCBK.exe -
Executes dropped EXE 5 IoCs
Processes:
explorti.exee74df0eb10.exeKFBFCAFCBK.exeexplorti.exeexplorti.exepid process 1416 explorti.exe 2584 e74df0eb10.exe 1104 KFBFCAFCBK.exe 2012 explorti.exe 4700 explorti.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:
KFBFCAFCBK.exeexplorti.exeexplorti.exebf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-2198854727-3842442895-2838824242-1000\Software\Wine KFBFCAFCBK.exe Key opened \REGISTRY\USER\S-1-5-21-2198854727-3842442895-2838824242-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2198854727-3842442895-2838824242-1000\Software\Wine explorti.exe Key opened \REGISTRY\USER\S-1-5-21-2198854727-3842442895-2838824242-1000\Software\Wine bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe Key opened \REGISTRY\USER\S-1-5-21-2198854727-3842442895-2838824242-1000\Software\Wine explorti.exe -
Loads dropped DLL 2 IoCs
Processes:
e74df0eb10.exepid process 2584 e74df0eb10.exe 2584 e74df0eb10.exe -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
-
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Suspicious use of NtSetInformationThreadHideFromDebugger 7 IoCs
Processes:
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exee74df0eb10.exeKFBFCAFCBK.exeexplorti.exeexplorti.exepid process 4700 bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe 1416 explorti.exe 2584 e74df0eb10.exe 2584 e74df0eb10.exe 1104 KFBFCAFCBK.exe 2012 explorti.exe 4700 explorti.exe -
Drops file in Windows directory 1 IoCs
Processes:
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exedescription ioc process File created C:\Windows\Tasks\explorti.job bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
-
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
e74df0eb10.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 e74df0eb10.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString e74df0eb10.exe -
Suspicious behavior: EnumeratesProcesses 14 IoCs
Processes:
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exee74df0eb10.exeKFBFCAFCBK.exeexplorti.exeexplorti.exepid process 4700 bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe 4700 bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe 1416 explorti.exe 1416 explorti.exe 2584 e74df0eb10.exe 2584 e74df0eb10.exe 2584 e74df0eb10.exe 2584 e74df0eb10.exe 1104 KFBFCAFCBK.exe 1104 KFBFCAFCBK.exe 2012 explorti.exe 2012 explorti.exe 4700 explorti.exe 4700 explorti.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
e74df0eb10.execmd.exepid process 2584 e74df0eb10.exe 3924 cmd.exe -
Suspicious use of WriteProcessMemory 15 IoCs
Processes:
bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exeexplorti.exee74df0eb10.execmd.exedescription pid process target process PID 4700 wrote to memory of 1416 4700 bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe explorti.exe PID 4700 wrote to memory of 1416 4700 bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe explorti.exe PID 4700 wrote to memory of 1416 4700 bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe explorti.exe PID 1416 wrote to memory of 2584 1416 explorti.exe e74df0eb10.exe PID 1416 wrote to memory of 2584 1416 explorti.exe e74df0eb10.exe PID 1416 wrote to memory of 2584 1416 explorti.exe e74df0eb10.exe PID 2584 wrote to memory of 4536 2584 e74df0eb10.exe cmd.exe PID 2584 wrote to memory of 4536 2584 e74df0eb10.exe cmd.exe PID 2584 wrote to memory of 4536 2584 e74df0eb10.exe cmd.exe PID 2584 wrote to memory of 3924 2584 e74df0eb10.exe cmd.exe PID 2584 wrote to memory of 3924 2584 e74df0eb10.exe cmd.exe PID 2584 wrote to memory of 3924 2584 e74df0eb10.exe cmd.exe PID 4536 wrote to memory of 1104 4536 cmd.exe KFBFCAFCBK.exe PID 4536 wrote to memory of 1104 4536 cmd.exe KFBFCAFCBK.exe PID 4536 wrote to memory of 1104 4536 cmd.exe KFBFCAFCBK.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.exe"C:\Users\Admin\AppData\Local\Temp\bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588.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 WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exe"C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.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
-
C:\Users\Admin\AppData\Local\Temp\1000006001\e74df0eb10.exe"C:\Users\Admin\AppData\Local\Temp\1000006001\e74df0eb10.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe"4⤵
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe"C:\Users\Admin\AppData\Local\Temp\KFBFCAFCBK.exe"5⤵
- 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
-
C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\CFCFCAAAAF.exe"4⤵
- Suspicious use of SetWindowsHookEx
-
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
-
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
-
C:\ProgramData\mozglue.dllFilesize
593KB
MD5c8fd9be83bc728cc04beffafc2907fe9
SHA195ab9f701e0024cedfbd312bcfe4e726744c4f2e
SHA256ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a
SHA512fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040
-
C:\ProgramData\nss3.dllFilesize
2.0MB
MD51cc453cdf74f31e4d913ff9c10acdde2
SHA16e85eae544d6e965f15fa5c39700fa7202f3aafe
SHA256ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5
SHA512dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571
-
C:\Users\Admin\AppData\Local\Temp\1000006001\e74df0eb10.exeFilesize
2.4MB
MD5b58a3998f5ce749fd2dd6b8651fde46c
SHA194bac5909d2b5f2313d810f04587db3c67c9dd5a
SHA2567d094695351abc8285aea7a0612764ca1d12ef7b0c44aca25ed560ac1d407c3d
SHA512db074390fe7b8dfa26a10d0dcca56f3d66d72eba96ddc6b7650e7b8c45e0de58805abe43d8f93e3291687ff075d900676552d6a3f7ac3c7b2d388c9f52111da4
-
C:\Users\Admin\AppData\Local\Temp\ad40971b6b\explorti.exeFilesize
1.8MB
MD504a428c0416a58b182ed49f2d3af8313
SHA1a863d597d3b0d7b87c52c81dd0b5e57e2c562547
SHA256bf214f02b37232d2ef41692ab37799897c076b6bf333970a9e79a2f326291588
SHA5128ba8cf413ba7fb5f88779c4280346dfd142ebe97c878b27f445cff9fd112e9e853f1983802b861379c608de4d546cbb7d9bc8848d582be50bcb056695ab9e800
-
memory/1104-114-0x0000000000FD0000-0x0000000001487000-memory.dmpFilesize
4.7MB
-
memory/1104-113-0x0000000000FD0000-0x0000000001487000-memory.dmpFilesize
4.7MB
-
memory/1416-21-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-127-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-19-0x0000000000311000-0x000000000033F000-memory.dmpFilesize
184KB
-
memory/1416-20-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-136-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-135-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-134-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-130-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-129-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-128-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-99-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-18-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-112-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-126-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-125-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-115-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-116-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-117-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-118-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-119-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/1416-120-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/2012-122-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/2012-124-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/2584-37-0x0000000000590000-0x0000000001182000-memory.dmpFilesize
11.9MB
-
memory/2584-38-0x0000000061E00000-0x0000000061EF3000-memory.dmpFilesize
972KB
-
memory/2584-108-0x0000000000590000-0x0000000001182000-memory.dmpFilesize
11.9MB
-
memory/4700-5-0x0000000000180000-0x0000000000637000-memory.dmpFilesize
4.7MB
-
memory/4700-3-0x0000000000180000-0x0000000000637000-memory.dmpFilesize
4.7MB
-
memory/4700-2-0x0000000000181000-0x00000000001AF000-memory.dmpFilesize
184KB
-
memory/4700-132-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/4700-133-0x0000000000310000-0x00000000007C7000-memory.dmpFilesize
4.7MB
-
memory/4700-1-0x00000000776F6000-0x00000000776F8000-memory.dmpFilesize
8KB
-
memory/4700-17-0x0000000000180000-0x0000000000637000-memory.dmpFilesize
4.7MB
-
memory/4700-0-0x0000000000180000-0x0000000000637000-memory.dmpFilesize
4.7MB