Behavioral task
behavioral1
Sample
2024-04-08_a2a400f3506dfb41b54d4230e4ffc76c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-08_a2a400f3506dfb41b54d4230e4ffc76c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-08_a2a400f3506dfb41b54d4230e4ffc76c_cryptolocker
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Size
109KB
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MD5
a2a400f3506dfb41b54d4230e4ffc76c
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SHA1
611a39b9b759c6f8a8970fb610ed9a8f3caf3ac2
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SHA256
f727c521478b035e428e74c97989c760b4f6edf3b4c765177ff098b9809e99d9
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SHA512
7b61429872321c26d96686b543e0e1f76814ed689c889a29ed483fb2e39669bda2a59ebb2dbd720cb7484828f2586d408ea7e751ecc2c372854de05ee44954df
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwMgj: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 2024-04-08_a2a400f3506dfb41b54d4230e4ffc76c_cryptolocker
Files
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2024-04-08_a2a400f3506dfb41b54d4230e4ffc76c_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