Analysis
- max time kernel
294s - max time network
300s - platform
windows10-1703_x64 - resource
win10-20240404-en - resource tags
- submitted
18/07/2024, 22:37
General
- Target 891fd320efe54191f38a67bb1ddfc8c05073b4d1cfcb4aa55bbce02d02904a05.exe
- Size 2.4MB
- Sample240718-2j1mdazflp
- SHA256 891fd320efe54191f38a67bb1ddfc8c05073b4d1cfcb4aa55bbce02d02904a05
Malware Config
Extracted
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stealc
-
funny
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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
-
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 6 IoCs
- Downloads MZ/PE file
- Checks BIOS information in registry 2 TTPs 12 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 6 IoCs
- Identifies Wine through registry keys 2 TTPs 6 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 8 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 16 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\891fd320efe54191f38a67bb1ddfc8c05073b4d1cfcb4aa55bbce02d02904a05.exe"C:\Users\Admin\AppData\Local\Temp\891fd320efe54191f38a67bb1ddfc8c05073b4d1cfcb4aa55bbce02d02904a05.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\JEBKEHJJDA.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\JEBKEHJJDA.exe"C:\Users\Admin\AppData\Local\Temp\JEBKEHJJDA.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\DHIJEHJDHJ.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
-
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
JEBKEHJJDA.exe
mozglue.dll
nss3.dll
memory/200-68-0x00000000011B0000-0x0000000001674000-memory.dmp
memory/200-77-0x00000000011B0000-0x0000000001674000-memory.dmp
memory/1020-0-0x0000000001130000-0x0000000001D29000-memory.dmp
memory/1020-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/1020-64-0x0000000001130000-0x0000000001D29000-memory.dmp
memory/1020-1-0x000000007EE40000-0x000000007F211000-memory.dmp
memory/2892-96-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/2892-95-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/2988-105-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/2988-104-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-93-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-100-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-118-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-117-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-88-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-89-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-90-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-91-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-92-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-83-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-82-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-81-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-97-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-98-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-99-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-84-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-101-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-102-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-80-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-79-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-106-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-107-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-108-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-109-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-110-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-111-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-116-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-114-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/3388-115-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/4340-113-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/4704-87-0x0000000001300000-0x00000000017C4000-memory.dmp
memory/4704-86-0x0000000001300000-0x00000000017C4000-memory.dmp