Behavioral task
behavioral1
Sample
2024-05-01_42f4f7e4b68d5fba351da9fc14157c20_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-01_42f4f7e4b68d5fba351da9fc14157c20_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-05-01_42f4f7e4b68d5fba351da9fc14157c20_cryptolocker
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Size
96KB
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MD5
42f4f7e4b68d5fba351da9fc14157c20
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SHA1
38eaffad367c055af027bfddd87a2294a6bad3ac
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SHA256
1035b3ecf36523626127284643a92173cf94d12ebb8d48f0e512f1aaf2a72720
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SHA512
eee8c33523d3950def7761a1696c8455c02f6f7929ec011b918fd750d83128aea0eecab45a6a7cedef6f7bbbb4bd2126dc1d8c945ef89c9fe7562762fb6879a6
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bC:zCsanOtEvwDpjBu
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 2024-05-01_42f4f7e4b68d5fba351da9fc14157c20_cryptolocker
Files
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2024-05-01_42f4f7e4b68d5fba351da9fc14157c20_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