Behavioral task
behavioral1
Sample
2024-02-23_efc02c1216b0ad02f0c5117a8276c036_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_efc02c1216b0ad02f0c5117a8276c036_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_efc02c1216b0ad02f0c5117a8276c036_cryptolocker
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Size
83KB
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MD5
efc02c1216b0ad02f0c5117a8276c036
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SHA1
0e8bf89089e4f680f7596eb31a19382d3d82eda2
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SHA256
77ea3555c2f8feb815dc8b3a16747caeea2fb33fb9b643ad32db5b2fa897cde3
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SHA512
b4d15e8d7ad6f4145a087952794f7ef60d48c781920e1d8455223095f9538087d0f7c2047ce6b56e5e6e1fcf41ef6fcc02a7211cfa8f712e18fd6748f96395b3
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1kyJS1LX:zCsanOtEvwDpjR
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 2024-02-23_efc02c1216b0ad02f0c5117a8276c036_cryptolocker
Files
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2024-02-23_efc02c1216b0ad02f0c5117a8276c036_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