Behavioral task
behavioral1
Sample
2024-02-17_40666acc27b83064a34f21ae0fd70b8e_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-17_40666acc27b83064a34f21ae0fd70b8e_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-17_40666acc27b83064a34f21ae0fd70b8e_cryptolocker
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Size
81KB
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MD5
40666acc27b83064a34f21ae0fd70b8e
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SHA1
577e1059daf9f87fe01b696446a34f10f3b4946f
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SHA256
7b9a6f8aeffa6612325dd61fbc2754b8a6908a820a3e58538a033bc2ec728df7
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SHA512
eeb8fc67a6a557d5f02d89bfe8f3ae2a2dcb5d005a271e41dd4601b8550012d49a77c24281092887f05a08a2e320615693e4ba188790be00567c5fb0f91e9e03
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1L:zCsanOtEvwDpjB
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 2024-02-17_40666acc27b83064a34f21ae0fd70b8e_cryptolocker
Files
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2024-02-17_40666acc27b83064a34f21ae0fd70b8e_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