Analysis
- max time kernel
148s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
07/09/2024, 01:46
General
- Target d0d341d2d2f0f61a4c403b88085e3576_JaffaCakes118.exe
- Size 4.2MB
- Sample240907-b68cmayfnj
- SHA256 cef1d3f10fdb50df41e0dcb5c77e45c4587adb76747259ce893ceabb863d9994
Malware Config
Extracted
-
cryptbot
-
bibinene03.top
-
moraass05.top
Signatures
- CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
- CryptBot payload 20 IoCs
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
- Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
- Executes dropped EXE 1 IoCs
- Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
- Loads dropped DLL 3 IoCs
- 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 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\d0d341d2d2f0f61a4c403b88085e3576_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d0d341d2d2f0f61a4c403b88085e3576_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\sib8724.tmp\0\5.exe"C:\Users\Admin\AppData\Local\Temp\sib8724.tmp\0\5.exe" /s2⤵
- 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
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
Sibuia.dll
PA5biTqYR.zip
_Information.txt
_Screen_Desktop.jpeg
system_info.txt
system_info.txt
uKgdtibAjV8.zip
5.exe
SibClr.dll
memory/3716-30-0x0000000000891000-0x00000000008EC000-memory.dmp
memory/3716-267-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-24-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-29-0x00000000053A0000-0x00000000053A1000-memory.dmp
memory/3716-28-0x0000000005390000-0x0000000005391000-memory.dmp
memory/3716-27-0x0000000005380000-0x0000000005381000-memory.dmp
memory/3716-26-0x0000000005370000-0x0000000005371000-memory.dmp
memory/3716-31-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-32-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-291-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-288-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-140-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-287-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-284-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-279-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-276-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-249-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-250-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-251-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-253-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-255-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-273-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-258-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-261-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-264-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/3716-25-0x00000000774B4000-0x00000000774B6000-memory.dmp
memory/3716-270-0x0000000000890000-0x0000000000DD2000-memory.dmp
memory/4908-14-0x0000000010C80000-0x0000000010C92000-memory.dmp
memory/4908-248-0x0000000073C90000-0x0000000074440000-memory.dmp
memory/4908-247-0x0000000073C9E000-0x0000000073C9F000-memory.dmp
memory/4908-15-0x0000000010CA0000-0x0000000010D5A000-memory.dmp
memory/4908-16-0x0000000073C90000-0x0000000074440000-memory.dmp
memory/4908-19-0x0000000073C90000-0x0000000074440000-memory.dmp
memory/4908-10-0x0000000073C9E000-0x0000000073C9F000-memory.dmp
memory/4908-23-0x0000000073C90000-0x0000000074440000-memory.dmp