Behavioral task
behavioral1
Sample
2024-05-12_b099c0286e9cf20987bee368da2cdb35_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-12_b099c0286e9cf20987bee368da2cdb35_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-12_b099c0286e9cf20987bee368da2cdb35_cryptolocker
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Size
89KB
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MD5
b099c0286e9cf20987bee368da2cdb35
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SHA1
926818fd5e275ff574e6ce1314a73b82c58f005a
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SHA256
b58581aef221f3084d12e2ba7e71be66adeb0910961604b5f8c09d3a6e77b595
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SHA512
d7342576f088315f370ba2000a8b787b5fd759085f5a857ac939c62219826b5d9ed073138ea40af8621afb03cebbde47d80b73e350233b18d1dfd87a65fde2b0
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tybl5:zCsanOtEvwDpjy
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 2024-05-12_b099c0286e9cf20987bee368da2cdb35_cryptolocker
Files
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2024-05-12_b099c0286e9cf20987bee368da2cdb35_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