Analysis
- max time kernel
150s - max time network
158s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
19/03/2024, 00:27
General
- Target d4c03c86b24c6b5a83c0524e1a9af692.exe
- Size 612KB
- Sample240319-ar6d2sdc4s
- SHA256 8253a9b4fa341be7f3c7d3be4a50fd18a9e72afd0cca02053c43262d7f8fe5bd
Malware Config
Extracted
-
cryptbot
-
knudin72.top
-
moreag07.top
-
payload_url
http://sarafc10.top/download.php?file=lv.exe
Signatures
- CryptBot
A C++ stealer distributed widely in bundle with other software.
- CryptBot payload 9 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\d4c03c86b24c6b5a83c0524e1a9af692.exe"C:\Users\Admin\AppData\Local\Temp\d4c03c86b24c6b5a83c0524e1a9af692.exe"1⤵
- Checks processor information in registry
- Suspicious use of FindShellTrayWindow
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4076 --field-trial-handle=1928,i,13242902252791919845,10377620236057253993,262144 --variations-seed-version /prefetch:81⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
RestoreComplete.txt
WaitBackup.txt
_Information.txt
_Screen_Desktop.jpeg
system_info.txt
system_info.txt
sWRcXhSmC3.zip
memory/3232-9-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-1-0x00000000025F0000-0x00000000026F0000-memory.dmp
memory/3232-8-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-7-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-6-0x00000000025F0000-0x00000000026F0000-memory.dmp
memory/3232-123-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-5-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-4-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-3-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-228-0x0000000000400000-0x0000000002402000-memory.dmp
memory/3232-2-0x0000000004190000-0x0000000004230000-memory.dmp