Behavioral task
behavioral1
Sample
2024-02-19_4377c99fbf6beede32c43dc389d2325f_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_4377c99fbf6beede32c43dc389d2325f_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-19_4377c99fbf6beede32c43dc389d2325f_cryptolocker
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Size
91KB
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MD5
4377c99fbf6beede32c43dc389d2325f
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SHA1
666a84f7ac6a3070c4a8ec723033bef738a8a58b
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SHA256
3772d5ca1c3701b97b1c944aa41e235ed89257a89cfc678b8a83a13959f55379
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SHA512
b06d289d7a0fbf924a2ee42a869145b1e66c948597f47f248865673279ed7e53faebd87ff53e7504b7c1da1f59d6ffcde2ca911137ca0257dd335ea9a54b875a
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy87UvT+:zCsanOtEvwDpjH
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 2024-02-19_4377c99fbf6beede32c43dc389d2325f_cryptolocker
Files
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2024-02-19_4377c99fbf6beede32c43dc389d2325f_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