Behavioral task
behavioral1
Sample
2024-01-24_fdb2d1278a936f28f3b1764808a34f38_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-24_fdb2d1278a936f28f3b1764808a34f38_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-24_fdb2d1278a936f28f3b1764808a34f38_cryptolocker
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Size
67KB
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MD5
fdb2d1278a936f28f3b1764808a34f38
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SHA1
b06824a85a020168f24f6b89df72671f94c669bb
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SHA256
38a6685ee7aae1542b934af9ccd08f2f60475b5581900f01825e2e5691895ceb
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SHA512
7e9f8bc4df28ef0e92bcaaafe9beebff20c1d4be155d1c7f4e3f21ded969169d5054b2e8885bd407223a10107ca4e002e8fba96aacd73e147c6b13b221450584
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeBa:z6a+CdOOtEvwDpjQM
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 2024-01-24_fdb2d1278a936f28f3b1764808a34f38_cryptolocker
Files
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2024-01-24_fdb2d1278a936f28f3b1764808a34f38_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