Behavioral task
behavioral1
Sample
2024-05-15_66925a58d9ac29a6fc0156eedb9843e6_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-15_66925a58d9ac29a6fc0156eedb9843e6_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-15_66925a58d9ac29a6fc0156eedb9843e6_cryptolocker
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Size
51KB
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MD5
66925a58d9ac29a6fc0156eedb9843e6
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SHA1
d3decfb9d2a10913153ce0c45139db3ebcb64b0c
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SHA256
dc20a38e216b0b6aeca3a8b5c7c718a31bf77401155671a77512c9f262ce86da
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SHA512
4db2eebe7692a6330c9ffdf0609acc29b6d9685d5d4c17341455b07e1d89b67e6f5e8d8a25335c1a7ccfbf7d81ac3335aa66bbaaf4d95a8aa32cc0255bf90ea0
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtO2:bODOw9acifAoc+vh
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
UPX dump on OEP (original entry point) 1 IoCs
resource yara_rule sample UPX -
resource yara_rule sample upx -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-05-15_66925a58d9ac29a6fc0156eedb9843e6_cryptolocker
Files
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2024-05-15_66925a58d9ac29a6fc0156eedb9843e6_cryptolocker.exe windows:5 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_DEBUG_STRIPPED
Sections
UPX0 Size: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE