Behavioral task
behavioral1
Sample
2024-03-28_1cd5bea6efa6a1a2379eff63a9e4b2da_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-03-28_1cd5bea6efa6a1a2379eff63a9e4b2da_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-28_1cd5bea6efa6a1a2379eff63a9e4b2da_cryptolocker
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Size
65KB
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MD5
1cd5bea6efa6a1a2379eff63a9e4b2da
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SHA1
5ad50efe6f2b73a186c0e3226bdb96e73c5fa6b1
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SHA256
3efb66c4e7c49d7983daf701861d821c28f41052e7c831fba18cc369e8499f66
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SHA512
ea34396072412b184f02674355e7a0faeb80177a08687956992f0f0548ab6b3199b04502eeff1a92684285f4c5fc01fd62cc9adaa85d46beae6100b3607c74c6
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5K7SRL:zj+soPSMOtEvwDpj4kpmeLmBt
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 2024-03-28_1cd5bea6efa6a1a2379eff63a9e4b2da_cryptolocker
Files
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2024-03-28_1cd5bea6efa6a1a2379eff63a9e4b2da_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