Behavioral task
behavioral1
Sample
2024-04-21_4d9492b442ef6566df42408991afa9d0_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-21_4d9492b442ef6566df42408991afa9d0_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-21_4d9492b442ef6566df42408991afa9d0_cryptolocker
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Size
57KB
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MD5
4d9492b442ef6566df42408991afa9d0
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SHA1
75803856b3feca4b65e54407b5877ee8b84dfa85
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SHA256
a845989470addca6f7f6043bc54e8c130649c4259212cc11631651b33a6e6a51
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SHA512
dd74a722f05006f6924afb87d37cb3532c30a8bfd5737ef7441fb7db14dc3eb689c5a740305057e4101f2fd7351d71735ca799dc2dea864d8f93f963fc6058eb
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SSDEEP
768:H6LsoEEeegiZPvEhHSG+gk5NQXtckstOOtEvwDpjhBaD3TUogs/VXpAPC:H6QFElP6n+gou9cvMOtEvwDpjCpVXH
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 2024-04-21_4d9492b442ef6566df42408991afa9d0_cryptolocker
Files
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2024-04-21_4d9492b442ef6566df42408991afa9d0_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