Behavioral task
behavioral1
Sample
2024-04-25_a1fd51f0e7a730917d14f6df01d3deee_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-04-25_a1fd51f0e7a730917d14f6df01d3deee_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-25_a1fd51f0e7a730917d14f6df01d3deee_cryptolocker
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Size
55KB
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MD5
a1fd51f0e7a730917d14f6df01d3deee
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SHA1
fbf046c28022199b641d0da69d48a99b2d5c5641
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SHA256
481bb6e889224a646d0e5a65782e3133b5e7e0a54041bc5cbf7ee6ac9828513c
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SHA512
d439f6b01fa90ccae39fe7b89952a8f622b93a520d2bd5d75da9bb51204b71f75736ddffabf9467d4bd4a79ace67ee0bc39ed22207e6e458ba166df1bea8edd7
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjNF:bP9g/xtCS3Dxx06
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 2024-04-25_a1fd51f0e7a730917d14f6df01d3deee_cryptolocker
Files
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2024-04-25_a1fd51f0e7a730917d14f6df01d3deee_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: 17KB - 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
.imports Size: 1024B - Virtual size: 4KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE