Behavioral task
behavioral1
Sample
2024-01-25_b53435d81f9d59fc96ab0edd4b70fd23_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-25_b53435d81f9d59fc96ab0edd4b70fd23_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-25_b53435d81f9d59fc96ab0edd4b70fd23_cryptolocker
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Size
55KB
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MD5
b53435d81f9d59fc96ab0edd4b70fd23
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SHA1
051576fc55ac18deb7af026f791b61c969c20bd7
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SHA256
97b87eb638b6d414ce6420b6a44356877c73aa407156661dd0bf86b0ea6050c4
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SHA512
6584c88c879170cd0417cc4ac1fea6b68b866b6065c9b25ac38a6a2c30ec2f2d15ccfce2ce0e6a75c19c3571dd9b3eeb58b05a2940c9d1a3d1f5c2e25625ae1c
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5axR:z6QFElP6n+gKmddpMOtEvwDpj9aYaX
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 2024-01-25_b53435d81f9d59fc96ab0edd4b70fd23_cryptolocker
Files
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2024-01-25_b53435d81f9d59fc96ab0edd4b70fd23_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_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