Behavioral task
behavioral1
Sample
2024-03-26_a534fd635b60d724dae985d76b4c9f74_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-03-26_a534fd635b60d724dae985d76b4c9f74_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-26_a534fd635b60d724dae985d76b4c9f74_cryptolocker
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Size
61KB
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MD5
a534fd635b60d724dae985d76b4c9f74
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SHA1
7b1c00471cda91a996cc56467d09663ea9e47353
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SHA256
7c6f1aa236f08acacfc7de9ae9228ece22d9144290615c30168a16d70e6a5c8d
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SHA512
ec64399dbf288e4993207db8d42c648a145e6cb13dc5500261f90973ee9dd165098aa10524447eee3182d0ce78e37f078151d370110e95f5f8a896d3716c967f
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVwE:zj+soPSMOtEvwDpj4kpmeLmnJ
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 2024-03-26_a534fd635b60d724dae985d76b4c9f74_cryptolocker
Files
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2024-03-26_a534fd635b60d724dae985d76b4c9f74_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