Analysis
- max time kernel
147s - max time network
153s - platform
windows11-21h2_x64 - resource
win11-20240704-en - resource tags
- submitted
08/07/2024, 10:16
General
- Target 3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe
- Size 2.4MB
- Sample240708-ma2qrathmq
- SHA256 3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22
Malware Config
Extracted
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stealc
-
Nice
-
http://85.28.47.30
-
url_path
/920475a59bac849d.php
Extracted
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amadey
-
4.30
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4dd39d
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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
-
url_paths
/Hun4Ko/index.php
Signatures
- Amadey
Amadey bot is a simple trojan bot primarily used for collecting reconnaissance information.
- Stealc
Stealc is an infostealer written in C++.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 5 IoCs
- Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 10 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 5 IoCs
- 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.
- Loads dropped DLL 2 IoCs
- 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 6 IoCs
- Drops file in Windows directory 1 IoCs
- 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.
- Suspicious behavior: EnumeratesProcesses 14 IoCs
- Suspicious use of FindShellTrayWindow 1 IoCs
- Suspicious use of SetWindowsHookEx 2 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.exe"C:\Users\Admin\AppData\Local\Temp\3781240686f18f44cfb8397dfe462c164a00f0c4b08177b468129bc8c41a1f22.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\KJDGDBFBGI.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\KJDGDBFBGI.exe"C:\Users\Admin\AppData\Local\Temp\KJDGDBFBGI.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 FindShellTrayWindow
- 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
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-
-
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FCBAECGIEB.exe"2⤵
- 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
-
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 Enterprise v15
Replay Monitor
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Downloads
mozglue.dll
nss3.dll
KJDGDBFBGI.exe
memory/1152-103-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-105-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-121-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-116-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-115-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-114-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-113-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-97-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-112-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-111-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-102-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-107-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-104-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1152-106-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1504-109-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/1504-110-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/2436-96-0x0000000000020000-0x00000000004DB000-memory.dmp
memory/2436-83-0x0000000000020000-0x00000000004DB000-memory.dmp
memory/3768-101-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/3768-99-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/3776-0-0x00000000009D0000-0x00000000015CD000-memory.dmp
memory/3776-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3776-1-0x000000007EF30000-0x000000007F301000-memory.dmp
memory/3776-79-0x000000007EF30000-0x000000007F301000-memory.dmp
memory/3776-78-0x00000000009D0000-0x00000000015CD000-memory.dmp
memory/4216-118-0x0000000000220000-0x00000000006DB000-memory.dmp
memory/4216-120-0x0000000000220000-0x00000000006DB000-memory.dmp