Behavioral task
behavioral1
Sample
2024-06-05_3a41378b16fa35e9ba5685f42147d41e_cryptolocker.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
2024-06-05_3a41378b16fa35e9ba5685f42147d41e_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-05_3a41378b16fa35e9ba5685f42147d41e_cryptolocker
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Size
81KB
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MD5
3a41378b16fa35e9ba5685f42147d41e
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SHA1
929adc9e42556ab6b2e776509648c2c5e0630d1c
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SHA256
b5d787cbf9fb48f4485b11d8b4f2169e3b05b7649892d8f16c703666841b4640
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SHA512
10f9f04cac7a5ddaacf1d94882e9656003363f1ef3d0d5642dbd27c6d1b37cb2bd5db0f19b8454799ba425d4c75e0243a7ad1402eac30d40160c2b980133753f
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJ0tq1ky7QG:zCsanOtEvwDpjq
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 2024-06-05_3a41378b16fa35e9ba5685f42147d41e_cryptolocker
Files
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2024-06-05_3a41378b16fa35e9ba5685f42147d41e_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