General
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Target
51bf88b291e3b35a12f4c253bf8377c3.exe
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Size
791KB
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Sample
230314-x6n5msbc8z
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MD5
51bf88b291e3b35a12f4c253bf8377c3
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SHA1
787c0e9a2b3ca8237a0fffc4f47bba07722d082d
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SHA256
1618813f2071072453fa1a3d36983cc983d69a5edc3c4406c274ebf9b3d0d594
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SHA512
4b7a1494e8fac022933fa274a737191dc51f094802a247f02e032e65774b3f87c5d23e5a9481553837aa2abe26b4586e747abd36e13aaa8d21d003e779f5ec0b
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SSDEEP
12288:Nu5WWa4ojAtbuTZCZPAl6Qo007IDt3D/Ykps5pb5SxVfrbyax1ejueDoUFbH:A4W+EMTsxAlg03Db65V5SnbyXikHFbH
Static task
static1
Behavioral task
behavioral1
Sample
51bf88b291e3b35a12f4c253bf8377c3.exe
Resource
win7-20230220-en
Malware Config
Extracted
cryptbot
http://ernlen22.top/gate.php
Targets
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Target
51bf88b291e3b35a12f4c253bf8377c3.exe
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Size
791KB
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MD5
51bf88b291e3b35a12f4c253bf8377c3
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SHA1
787c0e9a2b3ca8237a0fffc4f47bba07722d082d
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SHA256
1618813f2071072453fa1a3d36983cc983d69a5edc3c4406c274ebf9b3d0d594
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SHA512
4b7a1494e8fac022933fa274a737191dc51f094802a247f02e032e65774b3f87c5d23e5a9481553837aa2abe26b4586e747abd36e13aaa8d21d003e779f5ec0b
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SSDEEP
12288:Nu5WWa4ojAtbuTZCZPAl6Qo007IDt3D/Ykps5pb5SxVfrbyax1ejueDoUFbH:A4W+EMTsxAlg03Db65V5SnbyXikHFbH
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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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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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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