Behavioral task
behavioral1
Sample
2024-04-17_65cf31ca85cc5ec498e9110ff5733ae3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_65cf31ca85cc5ec498e9110ff5733ae3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-17_65cf31ca85cc5ec498e9110ff5733ae3_cryptolocker
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Size
106KB
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MD5
65cf31ca85cc5ec498e9110ff5733ae3
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SHA1
20c44f5fa67dfd882607992817b070ff35672dbd
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SHA256
4bbad8b7a093edd5b8b2e7f4c0803fa386de26a067e7cccdde913661338a003b
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SHA512
b5fee8797afcf3e8037d61adfcac3df13c525ffa745eb2b3b0fcf64cb9de705da220baa9cbbc6798a6200c01135fa32464126f1e80cfa9a125db8cffb7a8680f
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsalRn5iF1j6GksdEr:1nK6a+qdOOtEvwDpjA
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 2024-04-17_65cf31ca85cc5ec498e9110ff5733ae3_cryptolocker
Files
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2024-04-17_65cf31ca85cc5ec498e9110ff5733ae3_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