Behavioral task
behavioral1
Sample
2024-02-02_3bf94837a9633ae89392c82db2f6eff5_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-02_3bf94837a9633ae89392c82db2f6eff5_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-02_3bf94837a9633ae89392c82db2f6eff5_cryptolocker
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Size
64KB
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MD5
3bf94837a9633ae89392c82db2f6eff5
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SHA1
22f2ba1dc98d2450e397b080e1ea25ea358e600a
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SHA256
b9ac2a147bb28c35bd6ff9db2d5eaa50e0f5a7149f7eb46a1e710d1d3af80b00
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SHA512
b021dfc99e6cc25fbb9dcb4d355ba68053e547c0a619cb7f867062961dd0bfd2e8483662b0bdf9ae4670cebfc68b92a96d8a9120b7f11587646c6f71ab8a6122
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SSDEEP
384:z0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26JWFQbYkW0NrD5v6ntOOtEvwDpjqIGa:zQz7yVEhs9+8SJP6ntOOtEvwDpjF
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 2024-02-02_3bf94837a9633ae89392c82db2f6eff5_cryptolocker
Files
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2024-02-02_3bf94837a9633ae89392c82db2f6eff5_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