Behavioral task
behavioral1
Sample
2024-05-31_f4ea3b4b6f5796b4e7b18aba52d588bf_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-31_f4ea3b4b6f5796b4e7b18aba52d588bf_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-31_f4ea3b4b6f5796b4e7b18aba52d588bf_cryptolocker
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Size
60KB
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MD5
f4ea3b4b6f5796b4e7b18aba52d588bf
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SHA1
fffeabaa1ce98d64809adb354ddc1b4d042161f2
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SHA256
bf7c02fb54b4ee8b96de06d6e44fc868decf78362db1f8ff650de5345a8d6de0
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SHA512
d29af9c7b3a710281af31c9b004ffc32aed2569b4e5d2b5c70291afc64ea282f102a5afd43faa2b0d39f4e794b93bcfcaffc1d96be4748e0733a8f8fb91a2d10
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAP6pF:H6QFElP6n+gou9cvMOtEvwDpjCpVXb
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 2024-05-31_f4ea3b4b6f5796b4e7b18aba52d588bf_cryptolocker
Files
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2024-05-31_f4ea3b4b6f5796b4e7b18aba52d588bf_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: 11KB - 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