Analysis
- max time kernel
148s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240419-en - resource tags
- submitted
04/05/2024, 16:18
General
- Target 13842292b894939dabc62c2370c0094c_JaffaCakes118.exe
- Size 4.2MB
- Sample240504-trx78aah8t
- SHA256 9a1d6cabb8a80b1ff7ac31d8c01f3522ca64860a8b9816eda57d44d7e994ec5a
Malware Config
Extracted
-
cryptbot
-
bibinene01.top
-
moraass05.top
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- CryptBot payload 20 IoCs
- 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).
- 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\13842292b894939dabc62c2370c0094c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\13842292b894939dabc62c2370c0094c_JaffaCakes118.exe"1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\sib3BF2.tmp\0\d7.exe"C:\Users\Admin\AppData\Local\Temp\sib3BF2.tmp\0\d7.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
4p2tMkriPvnR.zip
_Information.txt
_Screen_Desktop.jpeg
system_info.txt
system_info.txt
sXqGkkrz.zip
Sibuia.dll
d7.exe
SibClr.dll
memory/3548-29-0x0000000000191000-0x00000000001EC000-memory.dmp
memory/3548-269-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-30-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-28-0x0000000005120000-0x0000000005121000-memory.dmp
memory/3548-27-0x0000000005110000-0x0000000005111000-memory.dmp
memory/3548-26-0x0000000005100000-0x0000000005101000-memory.dmp
memory/3548-25-0x00000000050F0000-0x00000000050F1000-memory.dmp
memory/3548-31-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-23-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-83-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-293-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-290-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-287-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-247-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-284-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-278-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-251-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-274-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-253-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-254-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-256-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-257-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-260-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-263-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-266-0x0000000000190000-0x0000000000697000-memory.dmp
memory/3548-24-0x0000000077394000-0x0000000077396000-memory.dmp
memory/3548-272-0x0000000000190000-0x0000000000697000-memory.dmp
memory/4508-14-0x0000000010C90000-0x0000000010CA2000-memory.dmp
memory/4508-249-0x0000000073B70000-0x0000000074320000-memory.dmp
memory/4508-248-0x0000000073B7E000-0x0000000073B7F000-memory.dmp
memory/4508-10-0x0000000073B7E000-0x0000000073B7F000-memory.dmp
memory/4508-15-0x0000000010CB0000-0x0000000010D6A000-memory.dmp
memory/4508-16-0x0000000073B70000-0x0000000074320000-memory.dmp
memory/4508-22-0x0000000073B70000-0x0000000074320000-memory.dmp