Behavioral task
behavioral1
Sample
2024-04-30_687d2e463b54dd139d017e08678a3be4_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-30_687d2e463b54dd139d017e08678a3be4_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_687d2e463b54dd139d017e08678a3be4_cryptolocker
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Size
113KB
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MD5
687d2e463b54dd139d017e08678a3be4
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SHA1
d5ec6be06882633da53da943349865455e2c6d72
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SHA256
575691c4a516a9f4fa6760b6c027745f0abc6bc006c3649e6ddb6c2070f028cb
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SHA512
7ec48f7eb315de819c241b2412efa0dc783930481e3f14b5f066f8c423a1160a746fc9ed1326e509887368da6ee295f3ef19c4eccabd0cdcb03fe491b1b43a71
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp014:z6a+CdOOtEvwDpjczW
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 2024-04-30_687d2e463b54dd139d017e08678a3be4_cryptolocker
Files
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2024-04-30_687d2e463b54dd139d017e08678a3be4_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