Behavioral task
behavioral1
Sample
2024-02-04_617e3a850deda07c8e12f9efbe32b9e6_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-04_617e3a850deda07c8e12f9efbe32b9e6_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-02-04_617e3a850deda07c8e12f9efbe32b9e6_cryptolocker
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Size
61KB
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MD5
617e3a850deda07c8e12f9efbe32b9e6
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SHA1
1129e5cbdecaab40421953b7228c4dd5337d5fb1
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SHA256
8994c3f9a3c7105b0e45d79ecce53215de2bbb9e58606f792ac127fbbdf8043a
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SHA512
8fc2908bf7a484b3a140790a983fe6d5d0cfaa1da3752d43e3385f46002bda4b81433c5f296acd7ded6d95a06d1fc6e1ca5892e948bcb8a45c94862911c92cf7
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVq:zj+soPSMOtEvwDpj4kpmeLmnk
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 2024-02-04_617e3a850deda07c8e12f9efbe32b9e6_cryptolocker
Files
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2024-02-04_617e3a850deda07c8e12f9efbe32b9e6_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