Behavioral task
behavioral1
Sample
2024-02-12_a63277e3c7f68e62534fc50538622a02_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-12_a63277e3c7f68e62534fc50538622a02_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-12_a63277e3c7f68e62534fc50538622a02_cryptolocker
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Size
82KB
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MD5
a63277e3c7f68e62534fc50538622a02
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SHA1
c0257b8c7130c8b6c98a1763560968923ffd4d11
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SHA256
9a3fe82070f2e912ab2e343f1b7b96dc788a3725bf6a450542822fdf9239cec4
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SHA512
00f490ecd6577b644d90a575414922ac5ce8cc8fbeb3e38c1d1e8a0314136ba3b0ff1f0d6b0149cf71d8d92a079ab41b46ecf5091c801cd57b950fe0cc353b05
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7/z:T6a+rdOOtEvwDpjNn
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 2024-02-12_a63277e3c7f68e62534fc50538622a02_cryptolocker
Files
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2024-02-12_a63277e3c7f68e62534fc50538622a02_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