Analysis
- max time kernel
145s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
19/12/2023, 17:47
General
- Target 6e0a53a9819650d36cbd914e39bc7db4.exe
- Size 2.6MB
- Sample231219-wctycsacc2
- SHA256 bee34a2bd644d414dd4dbf6d2e478d46174056ea589ed2370638fb56373c562c
Malware Config
Extracted
-
cryptbot
-
cemism11.top
-
moresh01.top
-
payload_url
http://bojwfi01.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- 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.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Themida packer 21 IoCs
Detects Themida, an advanced Windows software protection system.
- 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.
- Checks whether UAC is enabled 1 TTPs 1 IoCs
- 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
Processes
-
C:\Users\Admin\AppData\Local\Temp\6e0a53a9819650d36cbd914e39bc7db4.exe"C:\Users\Admin\AppData\Local\Temp\6e0a53a9819650d36cbd914e39bc7db4.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
_Information.txt
_Screen_Desktop.jpeg
yXEXUgZfpGhbns.zip
memory/2804-6-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-126-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-5-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-0-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-3-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-2-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-112-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-120-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-121-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-1-0x0000000077B24000-0x0000000077B26000-memory.dmp
memory/2804-123-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-4-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-129-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-132-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-135-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-138-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-142-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-146-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-149-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-153-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-155-0x0000000000C00000-0x00000000012E5000-memory.dmp
memory/2804-159-0x0000000000C00000-0x00000000012E5000-memory.dmp