Analysis
- max time kernel
143s - max time network
126s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
02/07/2024, 02:11
General
- Target 58972b34ce77f8d7bbaa3f5b5344db20.exe
- Size 2.4MB
- Sample240702-cl9kmasdrc
- SHA256 048802231eccee2a6db341d1a4e92b2b1671eb287da215ad35fcf2bad70fa700
Malware Config
Extracted
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stealc
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jony
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http://85.28.47.4
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url_path
/920475a59bac849d.php
Extracted
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amadey
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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
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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.
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 9 IoCs
- Drops file in Windows directory 2 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 34 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 18 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\58972b34ce77f8d7bbaa3f5b5344db20.exe"C:\Users\Admin\AppData\Local\Temp\58972b34ce77f8d7bbaa3f5b5344db20.exe"1⤵
- Checks computer location settings
- 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\IJKFHIIEHI.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\IJKFHIIEHI.exe"C:\Users\Admin\AppData\Local\Temp\IJKFHIIEHI.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\GCGDGHCBGD.exe"2⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\GCGDGHCBGD.exe"C:\Users\Admin\AppData\Local\Temp\GCGDGHCBGD.exe"3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- 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
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --field-trial-handle=3428,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=2832 /prefetch:31⤵
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C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4068,i,3671441404766730751,12082497324212183132,262144 --variations-seed-version --mojo-platform-channel-handle=3452 /prefetch:81⤵
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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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
mozglue.dll
nss3.dll
SCT Auditing Pending Reports
Sdch Dictionaries
IJKFHIIEHI.exe
explorti.job
memory/1880-127-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/1880-120-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/2368-133-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/2368-134-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3060-143-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3060-142-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3172-101-0x0000000000350000-0x0000000000812000-memory.dmp
memory/3172-119-0x0000000000350000-0x0000000000812000-memory.dmp
memory/3280-95-0x000000007F280000-0x000000007F651000-memory.dmp
memory/3280-94-0x00000000002F0000-0x0000000000EE8000-memory.dmp
memory/3280-0-0x00000000002F0000-0x0000000000EE8000-memory.dmp
memory/3280-87-0x00000000002F0000-0x0000000000EE8000-memory.dmp
memory/3280-2-0x0000000061E00000-0x0000000061EF3000-memory.dmp
memory/3280-1-0x000000007F280000-0x000000007F651000-memory.dmp
memory/3876-136-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-135-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-146-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-128-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-129-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-130-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-131-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-145-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-144-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-114-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-140-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-137-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-138-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/3876-139-0x0000000000700000-0x0000000000BC2000-memory.dmp
memory/4904-89-0x0000000000631000-0x000000000065F000-memory.dmp
memory/4904-88-0x0000000077AC4000-0x0000000077AC6000-memory.dmp
memory/4904-86-0x0000000000630000-0x0000000000AF2000-memory.dmp
memory/4904-90-0x0000000000630000-0x0000000000AF2000-memory.dmp
memory/4904-97-0x0000000000630000-0x0000000000AF2000-memory.dmp
memory/4904-113-0x0000000000630000-0x0000000000AF2000-memory.dmp