Behavioral task
behavioral1
Sample
2024-03-11_f8733233d04edf01188d55c745cc3a7a_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-11_f8733233d04edf01188d55c745cc3a7a_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-11_f8733233d04edf01188d55c745cc3a7a_cryptolocker
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Size
62KB
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MD5
f8733233d04edf01188d55c745cc3a7a
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SHA1
c72f9c92fcf70f040cb29730564b551e01e3978e
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SHA256
d227fa00eb2e9480db7797e4a1cfe70250093328d914b1e8f2d7f0e8624ed713
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SHA512
edee8d2c7876cac24c78bc209c28c34728e8f21cbe598037d85be1b90ad5aaeb80e0f3257adda97430a789510bdff8de059550029a891a4e9c0a17135beb2291
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVC:zj+soPSMOtEvwDpj4kpmeLmnM
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 2024-03-11_f8733233d04edf01188d55c745cc3a7a_cryptolocker
Files
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2024-03-11_f8733233d04edf01188d55c745cc3a7a_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