Behavioral task
behavioral1
Sample
2024-05-23_b13f33c21f65428c7d13bfa350890b28_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-05-23_b13f33c21f65428c7d13bfa350890b28_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-05-23_b13f33c21f65428c7d13bfa350890b28_cryptolocker
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Size
80KB
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MD5
b13f33c21f65428c7d13bfa350890b28
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SHA1
a9de768661235ae5045c68dd025b28386b7fd290
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SHA256
63172f4063f9de9f8e97266c6ed7fe148f91e004ed54561ac895467ef1b6c928
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SHA512
2c8284883357d555892e132eb00d61d8510143c03ceeed38544a8805508447fb0f76645fe909944030beeda26591c98ed2bfb548912d9b5c368a2250ba5be460
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QZ:zCsanOtEvwDpjt
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 2024-05-23_b13f33c21f65428c7d13bfa350890b28_cryptolocker
Files
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2024-05-23_b13f33c21f65428c7d13bfa350890b28_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