Behavioral task
behavioral1
Sample
2024-01-28_ac7f4ac4641d2ea6014f5d7f9b96a8d6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_ac7f4ac4641d2ea6014f5d7f9b96a8d6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-28_ac7f4ac4641d2ea6014f5d7f9b96a8d6_cryptolocker
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Size
67KB
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MD5
ac7f4ac4641d2ea6014f5d7f9b96a8d6
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SHA1
59ae37e807cecb8306eb209ea20e6c1b63d80dd0
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SHA256
048089a226b95fce2aa0f3da9b6bdf87a8ff0435259cae48c9ec4dd7e4d24649
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SHA512
e20d4aa5c680c3dbaf1bdd5e4efa7c2261438f60967605516041265c842ad41d68f2900c1593002b54d1ff7d601b6160173a64e07e93c7e7adf8ec87ff96ec1e
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBW:z6a+CdOOtEvwDpjQo
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-01-28_ac7f4ac4641d2ea6014f5d7f9b96a8d6_cryptolocker
Files
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2024-01-28_ac7f4ac4641d2ea6014f5d7f9b96a8d6_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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