Behavioral task
behavioral1
Sample
2024-03-15_41e3d3fdb67421a5b6b41a074242c6c6_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-03-15_41e3d3fdb67421a5b6b41a074242c6c6_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-03-15_41e3d3fdb67421a5b6b41a074242c6c6_cryptolocker
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Size
118KB
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MD5
41e3d3fdb67421a5b6b41a074242c6c6
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SHA1
36576c93bc0dda03411f14b07ea4e3d01931f62b
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SHA256
580052a5926a3b9c3cd7117381d85cd2943a08b32359d35b20cb25e2ec95a63c
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SHA512
9da20a5b8f0333b03a1f44d37ab6c07ea97966e1f11e49a578de07db477a6a6674b15667797105bc599186f57c484735cc648b5a183fd3c57f380d2fc962d9dd
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SSDEEP
1536:z6QFElP6n+gKmddpMOtEvwDpj3GYQbN/PKwNgp01rBEr:z6a+CdOOtEvwDpjczO
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_41e3d3fdb67421a5b6b41a074242c6c6_cryptolocker
Files
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2024-03-15_41e3d3fdb67421a5b6b41a074242c6c6_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