Behavioral task
behavioral1
Sample
2024-03-15_fea2cee9aecfd5f97cdc9c4f6921e463_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_fea2cee9aecfd5f97cdc9c4f6921e463_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-15_fea2cee9aecfd5f97cdc9c4f6921e463_cryptolocker
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Size
77KB
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MD5
fea2cee9aecfd5f97cdc9c4f6921e463
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SHA1
9d4230af5e6a7d3a5ebe6cfff138a00954d6981f
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SHA256
a66620d8781bdcdb74bc82693dfb6254dbdee6a35476143936146512a66da038
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SHA512
04785162971c02e51998e52f34495cf5e76cf697b7978aac90b37433bc6f554c4240084c674bdba55a29d3b1e34d97dd6a759afd5796fd334a7c111a1444bd1d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qg:zCsanOtEvwDpj0
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 2024-03-15_fea2cee9aecfd5f97cdc9c4f6921e463_cryptolocker
Files
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2024-03-15_fea2cee9aecfd5f97cdc9c4f6921e463_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_CODE
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