Behavioral task
behavioral1
Sample
2024-02-24_c8fa72affc7d17c1fb08d0ceca166351_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-24_c8fa72affc7d17c1fb08d0ceca166351_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-24_c8fa72affc7d17c1fb08d0ceca166351_cryptolocker
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Size
88KB
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MD5
c8fa72affc7d17c1fb08d0ceca166351
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SHA1
705657ccb458ef135db98be20e430ee76e3e4849
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SHA256
81ea35d43b85b0a735615d5f157f51e85c0fd90f7351556ec3128f369150f056
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SHA512
aefa7e5a305466b4aa4409bd56e08914c320f268ba39065c0376fd45771d03477cfc78d3fce2b47fa4e9a9a05896880a70e4cb432f4b1302e45536f1d8d8d448
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjP:zCsanOtEvwDpjO
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 2024-02-24_c8fa72affc7d17c1fb08d0ceca166351_cryptolocker
Files
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2024-02-24_c8fa72affc7d17c1fb08d0ceca166351_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