Behavioral task
behavioral1
Sample
2024-06-02_f5ef3878a215808de9842f5df3174c06_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-06-02_f5ef3878a215808de9842f5df3174c06_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-06-02_f5ef3878a215808de9842f5df3174c06_cryptolocker
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Size
53KB
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MD5
f5ef3878a215808de9842f5df3174c06
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SHA1
ee464c3a2310ecfdf15fdcae6dc749026e7abc42
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SHA256
1f806b21c34c0510c5b9041e36e6f7b14800b8f59eb1d3683f24eef41b176146
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SHA512
758a4b3b7932cef7c6cc39a67377621b8b604c4b9136811a619771ac4f19ae8024c0aef29578fd47f83a3937c34ea5a84c2cfb373a5c8abf6012680ba5fadba1
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtOX1:bODOw9acifAoc+v6
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
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 2024-06-02_f5ef3878a215808de9842f5df3174c06_cryptolocker
Files
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2024-06-02_f5ef3878a215808de9842f5df3174c06_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: 16KB - Virtual size: 28KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 11KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 8KB - 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