Behavioral task
behavioral1
Sample
2024-03-15_9aa5d3fdd426108da25cd2de97cf5c0d_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_9aa5d3fdd426108da25cd2de97cf5c0d_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-03-15_9aa5d3fdd426108da25cd2de97cf5c0d_cryptolocker
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Size
149KB
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MD5
9aa5d3fdd426108da25cd2de97cf5c0d
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SHA1
caa03244b5dfe71db4af7b5399c80a9d65319367
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SHA256
272b6f2d5f31f705329441981bccf69a8e9c637f96384df841e9b8ce0987bf59
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SHA512
2ab6738af66531392e955383d1ebcc26c45708b475f93921c83bb244555a434c6883052fc6f9e76406ed3e3ddb635bb99e9af5c281734e15e00b0547a49eab97
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp699GNtL1e2oh:z6a+CdOOtEvwDpjczJ
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 2024-03-15_9aa5d3fdd426108da25cd2de97cf5c0d_cryptolocker
Files
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2024-03-15_9aa5d3fdd426108da25cd2de97cf5c0d_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