Behavioral task
behavioral1
Sample
2024-01-26_8ef348060fb7a882b4d90aa9ba5f86fa_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-01-26_8ef348060fb7a882b4d90aa9ba5f86fa_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-26_8ef348060fb7a882b4d90aa9ba5f86fa_cryptolocker
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Size
60KB
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MD5
8ef348060fb7a882b4d90aa9ba5f86fa
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SHA1
abb41f0c7841148bc6485294523b49bec2a701f6
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SHA256
ad38b079fc1ba867051efa8ad978dd9c20bb93250a8be5cda9ce85b6d29a89fa
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SHA512
0441352ece460add1ba9951971c3512ad2afd8bba0822280de10d31a2c8157eafd5002d78ff2dc7ed5409439b138492bf713012bc9624295e32998f7da1bb676
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mnVUyf:zj+soPSMOtEvwDpj4kpmeLmnGyf
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 2024-01-26_8ef348060fb7a882b4d90aa9ba5f86fa_cryptolocker
Files
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2024-01-26_8ef348060fb7a882b4d90aa9ba5f86fa_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