Behavioral task
behavioral1
Sample
2024-06-13_66a671dba5ec1592ed194cb88a0faeb2_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-06-13_66a671dba5ec1592ed194cb88a0faeb2_cryptolocker.exe
Resource
win10v2004-20240611-en
General
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Target
2024-06-13_66a671dba5ec1592ed194cb88a0faeb2_cryptolocker
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Size
33KB
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MD5
66a671dba5ec1592ed194cb88a0faeb2
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SHA1
1d2507bd92ada077a1ab1ffbfbcb3251d6a45ed2
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SHA256
48f1f91c94616aab2a3b5ec3229946c3123aa9e31bd746d4a3c125a369c92511
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SHA512
69554e7693d1d9b32e951df9111c7b31a7df6d02614f9c3446df9df90c37ec5e1cc08a6e9e2090e0d46e03ee2f43fbf89411186fd425a9796f5a59692fd74546
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SSDEEP
768:bROjawZEjbhxnbcuyD7U9kXfn62tH/1/LpP+2:bRO2wZEjbnouy8Gv6iH/NLpP
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-13_66a671dba5ec1592ed194cb88a0faeb2_cryptolocker
Files
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2024-06-13_66a671dba5ec1592ed194cb88a0faeb2_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
Sections
UPX0 Size: - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE