Behavioral task
behavioral1
Sample
2024-06-03_b2294cdc83189ba493b68fbb42b0ef5e_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-03_b2294cdc83189ba493b68fbb42b0ef5e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-03_b2294cdc83189ba493b68fbb42b0ef5e_cryptolocker
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Size
53KB
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MD5
b2294cdc83189ba493b68fbb42b0ef5e
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SHA1
bb58c20ccd9985f823fb75ef3bd3beca142cee02
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SHA256
3af465dc0821c6aec9aa3012ed99ea42a03481f2ba1a1cc387150e6066f6c96f
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SHA512
2dcd5d66331c6856ad9d6eaabb81f3342aff471491f2b9d667393ed8192f72fc38576fd4b8fcf9378eb18bf9a01ad01d2104943b90ebf114b2ac4eeeefb72b28
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOk/T:z6QFElP6n+gKmddpMOtEvwDpj31ik/T
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 2024-06-03_b2294cdc83189ba493b68fbb42b0ef5e_cryptolocker
Files
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2024-06-03_b2294cdc83189ba493b68fbb42b0ef5e_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_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