Behavioral task
behavioral1
Sample
2024-02-21_a1f95a97538e1003411e56a0f3d1cac3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-21_a1f95a97538e1003411e56a0f3d1cac3_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-21_a1f95a97538e1003411e56a0f3d1cac3_cryptolocker
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Size
70KB
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MD5
a1f95a97538e1003411e56a0f3d1cac3
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SHA1
cd22af5904913c0ddd7de9a9fefe09d4b21061d8
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SHA256
4dea314a8a03e1f0e07196205de09cb29731661d97e3a3ab4d010967a3d4f77d
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SHA512
428879636c3146fe484cb19278e389fa8e27d267abb4e024e38b3a031a1c20130f7baada2f4b14d42b0b247a99a59f365a17e21bbe46a7ad6c0eb164fbddd933
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SSDEEP
1536:P8mnK6QFElP6n+gymddpMOtEvwDpjIHsal3Si:1nK6a+qdOOtEvwDpj8f
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 2024-02-21_a1f95a97538e1003411e56a0f3d1cac3_cryptolocker
Files
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2024-02-21_a1f95a97538e1003411e56a0f3d1cac3_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