Behavioral task
behavioral1
Sample
2024-03-13_4031037a425b9c8ce462ca18d971441f_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-13_4031037a425b9c8ce462ca18d971441f_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-13_4031037a425b9c8ce462ca18d971441f_cryptolocker
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Size
71KB
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MD5
4031037a425b9c8ce462ca18d971441f
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SHA1
4048491c7bf17d9b08350fcb68886ae5caf830bf
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SHA256
1b95c2545db76f7bd07612c81095f09cc99d17bf2e051d82d28551c7e0bc01f1
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SHA512
1b805d9624bdb4eb10c79f1d465c045af8b6184760c12dc76f2babc6dba5f35ad0ede42fa55167682db5fbbc5ae1b1cba8ff8bad0f977bb56a409abb8f959fbf
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal3Sx:1nK6a+qdOOtEvwDpj8o
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 2024-03-13_4031037a425b9c8ce462ca18d971441f_cryptolocker
Files
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2024-03-13_4031037a425b9c8ce462ca18d971441f_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