Behavioral task
behavioral1
Sample
2024-04-09_3cd41ecf4883c6e5be1f9d1b858ba773_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-09_3cd41ecf4883c6e5be1f9d1b858ba773_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-09_3cd41ecf4883c6e5be1f9d1b858ba773_cryptolocker
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Size
72KB
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MD5
3cd41ecf4883c6e5be1f9d1b858ba773
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SHA1
a19b0ddbe007c2468bc6b3cabaf67a707e08d8a8
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SHA256
3d556acf70fe421d9fb90d7873e9da24192a831770af4240d1c40f2e4c69494c
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SHA512
718487de4ae5814b1b96f0b1e133e90c7cc6c2cf1dfb74196eecb04ea89747618f83b2e8887a16654dc6ff69cb7a97e52c1223a248e8bb72c89abc7c7665efe8
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj9aYaFAeB3:z6a+CdOOtEvwDpjQl
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 2024-04-09_3cd41ecf4883c6e5be1f9d1b858ba773_cryptolocker
Files
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2024-04-09_3cd41ecf4883c6e5be1f9d1b858ba773_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