General
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Target
b87ca65199e6eba3ee9185945cbd8ee3591c15c67ad24a6a1e9a0fe98be60446.exe
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Size
2.7MB
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Sample
241120-zyf56stglk
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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
Behavioral task
behavioral1
Sample
b87ca65199e6eba3ee9185945cbd8ee3591c15c67ad24a6a1e9a0fe98be60446.exe
Resource
win7-20240708-en
Malware Config
Extracted
cryptbot
oct3m.top
oct3e.top
Targets
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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
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Cryptbot family
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Unsecured Credentials: Credentials In Files
Steal credentials from unsecured files.
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
4