Analysis
- max time kernel
148s - max time network
150s - platform
windows7_x64 - resource
win7-20240708-en - resource tags
- submitted
28/07/2024, 02:11
General
- Target 05b182f630da98bc0845ec514822d9a1_JaffaCakes118.exe
- Size 4.5MB
- Sample240728-cmkynascrm
- SHA256 a16e1d0c91d621bca507473e61101ec0aae1f50bc2382f8b1c79375ec65037ef
Malware Config
Extracted
-
cryptbot
-
bibinene03.top
-
moraass05.top
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- CryptBot payload 19 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 5 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 1 IoCs
- Suspicious use of FindShellTrayWindow 2 IoCs
- Suspicious use of WriteProcessMemory 4 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\05b182f630da98bc0845ec514822d9a1_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\05b182f630da98bc0845ec514822d9a1_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\sibB6B4.tmp\0\1.exe"C:\Users\Admin\AppData\Local\Temp\sibB6B4.tmp\0\1.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
_Information.txt
_Information.txt
_Information.txt
_Screen_Desktop.jpeg
system_info.txt
system_info.txt
system_info.txt
qwzpXfafyIm.zip
Sibuia.dll
1.exe
SibClr.dll
memory/1700-258-0x000000001CF60000-0x000000001D446000-memory.dmp
memory/1700-257-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/1700-256-0x000000007452E000-0x000000007452F000-memory.dmp
memory/1700-10-0x000000007452E000-0x000000007452F000-memory.dmp
memory/1700-14-0x000000000EAF0000-0x000000000EB02000-memory.dmp
memory/1700-15-0x0000000010F40000-0x0000000010FFA000-memory.dmp
memory/1700-16-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/1700-26-0x000000001CF60000-0x000000001D446000-memory.dmp
memory/1700-21-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/1972-37-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-262-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-36-0x0000000000C01000-0x0000000000C5C000-memory.dmp
memory/1972-147-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-34-0x0000000000BD0000-0x0000000000BD1000-memory.dmp
memory/1972-35-0x0000000000950000-0x0000000000951000-memory.dmp
memory/1972-33-0x0000000002730000-0x0000000002731000-memory.dmp
memory/1972-30-0x0000000000A60000-0x0000000000A61000-memory.dmp
memory/1972-32-0x0000000002600000-0x0000000002601000-memory.dmp
memory/1972-31-0x0000000000A50000-0x0000000000A51000-memory.dmp
memory/1972-29-0x0000000077BE0000-0x0000000077BE2000-memory.dmp
memory/1972-259-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-261-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-38-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-264-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-265-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-28-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-267-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-269-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-272-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-274-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-276-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-279-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-281-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-283-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-286-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-288-0x0000000000C00000-0x00000000010E6000-memory.dmp
memory/1972-290-0x0000000000C00000-0x00000000010E6000-memory.dmp