Analysis
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max time kernel
148s -
max time network
150s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
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submitted
25-09-2024 17:36
General
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Target
Setup.exe
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Size
2.2MB
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MD5
5eb17e5dffb7b83860fd650aa83d287a
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SHA1
a94f2e71df2d64c2a183355c04660c485c7bd35b
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SHA256
7fedad524e84d0d632b6cbf7ce6203531ef113894a0f78539ba41752c955e287
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SHA512
8aced1ecc6936e91a1332aafedac23b630a86a107bddfb7e1bc6553cefe7ed2b26b869f0043f02fe28476044c742212c80d03f45324df43c7d5f2e47c7f95069
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SSDEEP
49152:RuVVoL/ZQ5oKxqtzDg5t0F6bEM/VcJLY7N6uNr0sJRCFhKqhQNY/f9sZfi/ZqAv:Rzy+PIt1Es+LY7guNginN+f4fi/ZqAv
Malware Config
Extracted
cryptbot
biss03.info
Signatures
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CryptBot
CryptBot is a C++ stealer distributed widely in bundle with other software.
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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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Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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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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Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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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 1 IoCs
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Suspicious use of FindShellTrayWindow 12 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Setup.exe"C:\Users\Admin\AppData\Local\Temp\Setup.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
2Credentials In Files
2Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
148B
MD5c672c5ffd1a94b729484cc279d2a8a93
SHA13e3ce8ad41d3ffe36d461a21ded8fead5d11e88b
SHA256087e2c68049f6d81393d62c9fbca232111ec9e0411f5cc9ab1e718475581eaea
SHA512969821c1ea8ae7b400e0e603326a3eb76ad22c21572a12b34e50f97f174f53456e937872c1a5980f7401d702c56c00ec0c5fa4d9cdc38b7d2c6200037f12aae3
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Filesize
42KB
MD57c39497a28c20725409a7c3a055ce8ab
SHA1ecc0c2fe6ebfbce03933ff46a89e828c31a4b44a
SHA256038a5f0585c80aad17a0688f4665e4ecada19dac8683044cf704fbf422bfef09
SHA512609409361d9d43f1e1d7bde7bc71736bec85dcbdc674d6f0bbc204522e208bc3543076d7bb9f59e6f1313f2939ef693e94e44ee74783f926f1b7c1d0d1623368
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
380KB
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Filesize
4KB
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Filesize
4KB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
4KB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
4KB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
8KB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB
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Filesize
5.3MB