Behavioral task
behavioral1
Sample
2024-01-19_8e23a9f6a0eabcf0485a29c5827e3c81_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-19_8e23a9f6a0eabcf0485a29c5827e3c81_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-19_8e23a9f6a0eabcf0485a29c5827e3c81_cryptolocker
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Size
67KB
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MD5
8e23a9f6a0eabcf0485a29c5827e3c81
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SHA1
c7630d41883d78f869c49722e0c81fe33d1052bb
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SHA256
76938d4eec2a920bf7b268c44260e2d8d812fb10f2a3503f7426b340443dd2b9
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SHA512
001b0c1e86115e50ed1a9f287eab08d03ae85a7144662563249b228b8dde9f327ce8fbb3f9b919bdc2fcbab626dc52a46558d8942451f04ebe1fb5374210f773
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAvCbDa6JW:z6a+CdOOtEvwDpjQHU
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 2024-01-19_8e23a9f6a0eabcf0485a29c5827e3c81_cryptolocker
Files
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2024-01-19_8e23a9f6a0eabcf0485a29c5827e3c81_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