Behavioral task
behavioral1
Sample
2024-05-12_3f8654b9b326e74bb8d562a0781f11b6_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-12_3f8654b9b326e74bb8d562a0781f11b6_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-12_3f8654b9b326e74bb8d562a0781f11b6_cryptolocker
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Size
52KB
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MD5
3f8654b9b326e74bb8d562a0781f11b6
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SHA1
544457607423e35b8aa0c30adbedebad146386df
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SHA256
e9ae707aaf737e3adb237cd4f6ab1aedebce51929a93c2a31d44e29877fb6b75
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SHA512
0a56a3ff547f345119f04f17ea064ce4dafafc51dd9face17e3fe459faa7b57a0420aa0ad56ab5854740368bc27132af3483eb81dcf0900f0162ef605829ec1a
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YY1J+OTOa:z6QFElP6n+gKmddpMOtEvwDpj31ia
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 2024-05-12_3f8654b9b326e74bb8d562a0781f11b6_cryptolocker
Files
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2024-05-12_3f8654b9b326e74bb8d562a0781f11b6_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