Behavioral task
behavioral1
Sample
2024-02-12_598a5b354a22ec55ec3c5b7b746089f1_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-02-12_598a5b354a22ec55ec3c5b7b746089f1_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-12_598a5b354a22ec55ec3c5b7b746089f1_cryptolocker
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Size
81KB
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MD5
598a5b354a22ec55ec3c5b7b746089f1
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SHA1
762e7230d05d60f9af1d6bd4a60786e1cbde3e4c
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SHA256
bfdf318db3ae64c4c4ca66408871d93957debdb70d98a6bdb809e0988bfda1a8
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SHA512
578e9945603d37aebbc578f5e3962bb82f58f2aa428955622781e76255c15979b93fce62107fd73eac7fbc847e09eabe6cdd6451568d4874c5d30f7be1269d18
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7AJ:T6a+rdOOtEvwDpjNe
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 2024-02-12_598a5b354a22ec55ec3c5b7b746089f1_cryptolocker
Files
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2024-02-12_598a5b354a22ec55ec3c5b7b746089f1_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_CODE
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