Analysis
- max time kernel
148s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
04/09/2024, 12:20
General
- Target 1bf7cdb7e9e4bb12b05fac24d3b5e8756a0055898934c0afacb08e3b469e4a74.exe
- Size 1.9MB
- Sample240904-phr8dszcmr
- SHA256 1bf7cdb7e9e4bb12b05fac24d3b5e8756a0055898934c0afacb08e3b469e4a74
Malware Config
Extracted
-
cryptbot
-
eihxv18sr.top
-
analforeverlovyu.top
-
url_path
/v1/upload.php
Signatures
- CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- 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 use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\1bf7cdb7e9e4bb12b05fac24d3b5e8756a0055898934c0afacb08e3b469e4a74.exe"C:\Users\Admin\AppData\Local\Temp\1bf7cdb7e9e4bb12b05fac24d3b5e8756a0055898934c0afacb08e3b469e4a74.exe"1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"C:\Users\Admin\AppData\Local\Temp\RarSFX0\VC_redist.x64.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Checks processor information in registry
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
VC_redist.x64.exe
memory/4568-9-0x0000000000400000-0x000000000106A000-memory.dmp
memory/4568-21-0x0000000000400000-0x000000000106A000-memory.dmp
memory/4568-22-0x0000000000400000-0x000000000106A000-memory.dmp