Behavioral task
behavioral1
Sample
2024-04-24_4efb342f481ab1ede2df4ed26e3105c5_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-24_4efb342f481ab1ede2df4ed26e3105c5_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_4efb342f481ab1ede2df4ed26e3105c5_cryptolocker
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Size
65KB
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MD5
4efb342f481ab1ede2df4ed26e3105c5
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SHA1
df15f444538eec7642c21531d85cf5db4d141d6d
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SHA256
18ff80f4aeb671c83ce519a3a74196884657a96e13793411ab8f6f5a3492a7af
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SHA512
b72dd9d00389e509361879dbe2140fdb45be4b16fc28eaf0a1e46c641bfab2f9927c79bb488448c02af1e1959a6a80c95cb4e0029bef2a88d8881edfee2bea67
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjYZ8xDyQ:1nK6a+qdOOtEvwDpjD
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 2024-04-24_4efb342f481ab1ede2df4ed26e3105c5_cryptolocker
Files
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2024-04-24_4efb342f481ab1ede2df4ed26e3105c5_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
Sections
UPX0 Size: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.ap0x Size: 1024B - Virtual size: 785B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE