Behavioral task
behavioral1
Sample
2024-04-17_344900a61e0ef86535f4e8c67059bec1_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-17_344900a61e0ef86535f4e8c67059bec1_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-17_344900a61e0ef86535f4e8c67059bec1_cryptolocker
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Size
95KB
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MD5
344900a61e0ef86535f4e8c67059bec1
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SHA1
311b3892d450ee4b24313b5bb8bb8d1be3b28983
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SHA256
37006e12d0cfae02f4928f9d94257200ad1bc49ea40a0e3edf33f36114d479fb
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SHA512
3bd9214f8614faec4540e90860cf644abfe2787886e458a0c0b3d79fe34585513232d25fdaf584649e74dd943b52c817cab4f608552cd46c2d55598618e67da3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRDjgx/bq:zCsanOtEvwDpjBW
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 2024-04-17_344900a61e0ef86535f4e8c67059bec1_cryptolocker
Files
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2024-04-17_344900a61e0ef86535f4e8c67059bec1_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