Behavioral task
behavioral1
Sample
2024-04-06_b4d8ff1368e338ce5954f4a1736ba2db_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-06_b4d8ff1368e338ce5954f4a1736ba2db_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-06_b4d8ff1368e338ce5954f4a1736ba2db_cryptolocker
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Size
84KB
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MD5
b4d8ff1368e338ce5954f4a1736ba2db
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SHA1
2806b0671b1cd419c5338792277aef799d6125c6
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SHA256
caed7977f7a956cdf6ea129d9ed1f06b25d5e74449ab4b2e8a5b63eab6e04fca
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SHA512
bed806921589fa408f29ac17088770152f3cc035e4c355d819ce7f8bbeae6d6ec6ccad9d7e8bfedbdaa1520604f11eef93366952fff11772645af44e2d264655
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT75QM:T6a+rdOOtEvwDpjNb
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 2024-04-06_b4d8ff1368e338ce5954f4a1736ba2db_cryptolocker
Files
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2024-04-06_b4d8ff1368e338ce5954f4a1736ba2db_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