Analysis
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max time kernel
114s -
max time network
120s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
20-11-2024 21:07
General
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Target
b87ca65199e6eba3ee9185945cbd8ee3591c15c67ad24a6a1e9a0fe98be60446.exe
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Size
2.7MB
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MD5
331dcdc60c30bfb0e6caf4d5a2b13af0
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SHA1
8791349b229c91fa0899cd0f669a9cc533aa4105
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SHA256
b87ca65199e6eba3ee9185945cbd8ee3591c15c67ad24a6a1e9a0fe98be60446
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SHA512
c5408605dd1fdb1f34c64eb31ef0d86685c75ddca02f78bcb762c6c799885652b3d091133fca0b0e890b3f9d0a325621d82c75cdc6c35f48bc404be109ed12e9
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SSDEEP
49152:P9eUwdL4wRqh7YqAVpymthcNRhuvo5NMAN7q4HmfT5RhJRr0UUK81Ezw6HdPd5is:85zgSt+svYNMAN7jOhJRDrwIdb
Malware Config
Extracted
cryptbot
oct3m.top
oct3e.top
Signatures
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CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
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Cryptbot family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer 18 IoCs
Detects Themida, an advanced Windows software protection system.
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Unsecured Credentials: Credentials In Files 1 TTPs
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
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Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\b87ca65199e6eba3ee9185945cbd8ee3591c15c67ad24a6a1e9a0fe98be60446.exe"C:\Users\Admin\AppData\Local\Temp\b87ca65199e6eba3ee9185945cbd8ee3591c15c67ad24a6a1e9a0fe98be60446.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
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
45KB
MD5cd65c2dc2835c1e6a6f95692c8cdd68e
SHA17af5ee5e558a7b6a5f700d1909aa5e620d5c494a
SHA256347358db96eb60cca6c6770ffc60203e4f3c9710d08b2a9e4950c60eae4b4a77
SHA512b053eb2d8fab70c4f4541c1b7ec4a3c07c61f7743ddade6f4d6652331196ac8c095176fa044096ef6e234b6a34b77d1b55ae17b485265d5469b8141be5d8f956
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Filesize
7KB
MD5a3aa8e622ab34843d4458cee78d7399a
SHA1250635e7a38c00b97322026bb82b0c3431a14ee9
SHA25699066ff497f29594e7e8b188d1af49e034af4c4425b5449b8fd93484d25cc826
SHA512b979a38a2045881a0c80792fb21047036f7a9d3baec4ca1da057c0ae7785fd382b05cbc2183d800a16a2875b3443d895b801fc5bf19ab196e5999bf34a2b5fea
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Filesize
50KB
MD5536bcc351b6321fc570492d8090ce07a
SHA1c362b2274c69243bbf7fa56e4b9d8ff7b8264a1e
SHA2566f56a237ab32fd7919a57657c581eec1fee5722a16bfc5a18db81dabc3384e48
SHA5121894d20bae357005531cc3216d78cd872f74c2d4e7a3fa33c6352a7d1ac5a998e163570e975e97f77c0824f33d9b923f48ff36af5ee49195192c1e45d1b3ab74
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Filesize
7.0MB
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Filesize
8KB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
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Filesize
7.0MB
