Behavioral task
behavioral1
Sample
2024-01-26_03bd326949b6d467560c900398fb851c_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-26_03bd326949b6d467560c900398fb851c_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-01-26_03bd326949b6d467560c900398fb851c_cryptolocker
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Size
77KB
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MD5
03bd326949b6d467560c900398fb851c
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SHA1
ebcdc9f5a9fd989d7e6a19a7438dc96be9cd1a77
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SHA256
87fc97395f882ba316f5b7d7358ebdf71ccfc6a507a7de35e4800267b6065d54
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SHA512
a1655f5dbd39b3214cee0fd9eef17da5524898da1efe08f6d17e8121cef859433539417ed75c3813b4ed8bfad6542d06816c5a85b9c981d981d3b3df2d8d3f57
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7Qcb:zCsanOtEvwDpjU
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 2024-01-26_03bd326949b6d467560c900398fb851c_cryptolocker
Files
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2024-01-26_03bd326949b6d467560c900398fb851c_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