Behavioral task
behavioral1
Sample
2024-05-25_c66b61087309572077147ce4fa9f2141_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-25_c66b61087309572077147ce4fa9f2141_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-25_c66b61087309572077147ce4fa9f2141_cryptolocker
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Size
75KB
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MD5
c66b61087309572077147ce4fa9f2141
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SHA1
91909a8b555650a6d61c1f9539fd2e15380c42ec
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SHA256
748ec9e577f61eab55b82a1e1e9be94f3bda106f7f03e5eb950487bbdf9413b0
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SHA512
d1bbd7f753b22418bb0afc443ff622884170d4769959927769c3ac50576c391e796bdb614856c9d86a07107b2c5f8eee748340454d9e23be7ed5ccc12468f1e0
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsaleF8:1nK6a+qdOOtEvwDpjm
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 2024-05-25_c66b61087309572077147ce4fa9f2141_cryptolocker
Files
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2024-05-25_c66b61087309572077147ce4fa9f2141_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