Analysis
- max time kernel
147s - max time network
150s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
13/02/2024, 17:23
General
- Target 99b6edd21a762c8dd15b83688516469e.exe
- Size 674KB
- Sample240213-vx364adg2v
- SHA256 b5835bcf48839eb68a402761c8474123758bd43d08b81738bbf84620df49e307
Malware Config
Extracted
-
cryptbot
-
ewaqug42.top
-
morjau04.top
-
payload_url
http://winhaf05.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- CryptBot payload 4 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.
- 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 use of FindShellTrayWindow 2 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\99b6edd21a762c8dd15b83688516469e.exe"C:\Users\Admin\AppData\Local\Temp\99b6edd21a762c8dd15b83688516469e.exe"1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
8UidYUW6TzjF.zip
MUrNdEwnq1CZfL.zip
_Information.txt
_Information.txt
_Screen_Desktop.jpeg
system_info.txt
system_info.txt
memory/4444-1-0x0000000003600000-0x0000000003700000-memory.dmp
memory/4444-207-0x0000000000400000-0x00000000032A3000-memory.dmp
memory/4444-3-0x0000000000400000-0x00000000032A3000-memory.dmp
memory/4444-212-0x0000000003600000-0x0000000003700000-memory.dmp
memory/4444-213-0x0000000004FF0000-0x0000000005090000-memory.dmp
memory/4444-2-0x0000000004FF0000-0x0000000005090000-memory.dmp