Behavioral task
behavioral1
Sample
2024-03-29_65c0976296af82e0c456da12ff66b30c_cryptolocker.exe
Resource
win7-20240319-en
Behavioral task
behavioral2
Sample
2024-03-29_65c0976296af82e0c456da12ff66b30c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-29_65c0976296af82e0c456da12ff66b30c_cryptolocker
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Size
57KB
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MD5
65c0976296af82e0c456da12ff66b30c
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SHA1
0d52be5bfef52d945c9b6549f5730c208b7d4a45
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SHA256
b77ed2cb00f3c718e9ffe8904e9911d9045a84e0b6bf6f3eefbeb59765d91365
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SHA512
accc3b2bafa532f4f20ef33e98f065dc9342ce4fd1b05377844d8313758418bf66bff09ef4d6aef62be9ee70f2c6feef95531e3c72638c9ffeb550266b9eba53
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SSDEEP
768:z6LsoEEeegiZPvEhHSG+gzum/kLyMro2GtOOtEvwDpj/YMLam5ax84QrPec:z6QFElP6n+gKmddpMOtEvwDpj9aYaMec
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 2024-03-29_65c0976296af82e0c456da12ff66b30c_cryptolocker
Files
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2024-03-29_65c0976296af82e0c456da12ff66b30c_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