Behavioral task
behavioral1
Sample
2024-02-20_42b23905eae9b450ecb1684fb3ea68b8_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-20_42b23905eae9b450ecb1684fb3ea68b8_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-20_42b23905eae9b450ecb1684fb3ea68b8_cryptolocker
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Size
64KB
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MD5
42b23905eae9b450ecb1684fb3ea68b8
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SHA1
b897076fac5e85727b07302413c8dfdd6cb77a81
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SHA256
c66714cb738c28e95ff445398736ab6a03344c1443dbd3710003a5c56b995845
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SHA512
c9473277d63c65f6ed70f2123dd1fd6cf236e98c856b11f7072f3b5264d83b5b817927432d0e3f7f847c6129953972f3612ef2294cfac80e2bb142cdb78c3f65
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5kqE:zj+soPSMOtEvwDpj4kpmeLmQqE
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 2024-02-20_42b23905eae9b450ecb1684fb3ea68b8_cryptolocker
Files
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2024-02-20_42b23905eae9b450ecb1684fb3ea68b8_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