Behavioral task
behavioral1
Sample
2024-05-03_b3980de5f74c84bff8bd67a631ddb2d7_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-05-03_b3980de5f74c84bff8bd67a631ddb2d7_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-03_b3980de5f74c84bff8bd67a631ddb2d7_cryptolocker
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Size
55KB
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MD5
b3980de5f74c84bff8bd67a631ddb2d7
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SHA1
2d68620928f12df44ebebf37ea81123c7d0d6f7a
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SHA256
2cf2e12c52cdfb10392e4d376fce074127cd563ac9549257c470666777231346
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SHA512
e2779127e8a5fa6449f0837438e40c8698ca8298a71f78a73490c011d29fb14642065045531a91e736447b0df8b4d9cc70a81b58ebecc04ea8e455fb67b269b6
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNT:bP9g/xtCS3Dxx04
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-05-03_b3980de5f74c84bff8bd67a631ddb2d7_cryptolocker
Files
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2024-05-03_b3980de5f74c84bff8bd67a631ddb2d7_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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