Behavioral task
behavioral1
Sample
2024-02-03_83faeea62dec4884722f61d1fa19eb72_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-03_83faeea62dec4884722f61d1fa19eb72_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-03_83faeea62dec4884722f61d1fa19eb72_cryptolocker
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Size
117KB
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MD5
83faeea62dec4884722f61d1fa19eb72
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SHA1
bbcee2b0cc98551a6e0bf3247a61c0b89e42ec84
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SHA256
b193a69e6717e5515e1fb355301216290cfb63b4e663aff012d68991fee945a4
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SHA512
eab4413f230d16a6a770e494c5511c7a60df575b121ade7fd36f83e5882f41a96d0baed88146c2ba3ff89c3053d376fd1cc41761dfc3f7223432a4eade4023e2
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01j:z6a+CdOOtEvwDpjczB
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 2024-02-03_83faeea62dec4884722f61d1fa19eb72_cryptolocker
Files
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2024-02-03_83faeea62dec4884722f61d1fa19eb72_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