Behavioral task
behavioral1
Sample
2024-05-15_76144a8ef64daf2de0588031b65427e0_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-15_76144a8ef64daf2de0588031b65427e0_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-15_76144a8ef64daf2de0588031b65427e0_cryptolocker
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Size
51KB
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MD5
76144a8ef64daf2de0588031b65427e0
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SHA1
d1e8daa7a847b68d664f1b4f5404849ce4afa983
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SHA256
fb49a5516d1a0ab27eccb9c78e9137b92b5ee787ee831101137fd58e90c30a50
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SHA512
81882a56c486bafc2bec6b76a0b51421971cb1956152fd585d94abc04a80d1e13feaa099068ae1c0dd5cd462961ffdcebf97a60b0defba9a83f042c522dc4eac
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOr:bODOw9acifAoc+vY
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_76144a8ef64daf2de0588031b65427e0_cryptolocker
Files
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2024-05-15_76144a8ef64daf2de0588031b65427e0_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