Behavioral task
behavioral1
Sample
2024-02-14_25fbd77a9e0815f82035b18988a56a55_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-14_25fbd77a9e0815f82035b18988a56a55_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-14_25fbd77a9e0815f82035b18988a56a55_cryptolocker
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Size
115KB
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MD5
25fbd77a9e0815f82035b18988a56a55
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SHA1
97b49078139bfb3e9f955a4a0cd167ee84caed83
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SHA256
389c95e930e61784663001193b573e8a027a5f07714a92212d7d4840ac22c900
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SHA512
84aa9a1fb42fbd11fa917046e812d0a451cd0ccaa83e6e063c87509af56d5d36503c102ee408dbf93719d55ad77b716c37d5206309ebc1236b4212eba82ccb33
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjCGYQbN/PKwNLX9p:T6a+rdOOtEvwDpjLz1
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 2024-02-14_25fbd77a9e0815f82035b18988a56a55_cryptolocker
Files
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2024-02-14_25fbd77a9e0815f82035b18988a56a55_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