Behavioral task
behavioral1
Sample
2024-02-21_4397320e361bd8d45a8e489d155906e9_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-21_4397320e361bd8d45a8e489d155906e9_cryptolocker.exe
Resource
win10v2004-20240220-en
General
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Target
2024-02-21_4397320e361bd8d45a8e489d155906e9_cryptolocker
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Size
109KB
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MD5
4397320e361bd8d45a8e489d155906e9
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SHA1
66aa5b64893cc33fcf5ccbb62b80307d40414030
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SHA256
518e9781c1ef18989842842da6c4e230955e1cd51c41717c7de621879c551cb4
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SHA512
7bee11cb153a46ec91105758d1b87bb0e0221b7083a74cdfff7547c4ee52521fd49bdbfcbfd79d75355270d4408eb1ff0fe53c5c98de6338b1d64f3e54ee414d
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMg60:z6a+CdOOtEvwDpjcz3
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 2024-02-21_4397320e361bd8d45a8e489d155906e9_cryptolocker
Files
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2024-02-21_4397320e361bd8d45a8e489d155906e9_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