Behavioral task
behavioral1
Sample
2024-05-29_4f41b1bbd68375080deb187cf36f02a3_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-29_4f41b1bbd68375080deb187cf36f02a3_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-29_4f41b1bbd68375080deb187cf36f02a3_cryptolocker
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Size
75KB
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MD5
4f41b1bbd68375080deb187cf36f02a3
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SHA1
71d1daa93548d1a4d311b4bda831859983ecbc6b
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SHA256
17bac954ef0d222734268051b6a60955a9d6fdfbbeadb20fb032b2d42073061d
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SHA512
15c04b1548f71b4ce89035af772eb94801187a33bc6da813c64b72345d8e1ecfc1b0d786d0d86ee9ddfce0d50523ac63456a48a6a9d0dce33ff402ebf70a1eb8
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal81GE:1nK6a+qdOOtEvwDpjJ
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 2024-05-29_4f41b1bbd68375080deb187cf36f02a3_cryptolocker
Files
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2024-05-29_4f41b1bbd68375080deb187cf36f02a3_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