Behavioral task
behavioral1
Sample
2024-05-10_87397d6215b47e3f54f091c16608934b_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-05-10_87397d6215b47e3f54f091c16608934b_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-10_87397d6215b47e3f54f091c16608934b_cryptolocker
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Size
51KB
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MD5
87397d6215b47e3f54f091c16608934b
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SHA1
a2738beae306ea6419cd92126b76445b1a76d8e2
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SHA256
19d931048ad1e3c1be1123f539606d3935eadeeff0535c0c4936dcfa68c246a1
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SHA512
d4f4ee45613c5f4f366dbfec4092cd14353dda4b5576ff273c7d69ceceba9f329d30bac9cec7b398b1bd0ee9e9363f35e93ab836b21202781be86512a77af19e
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SSDEEP
768:bODOw9UiamWUB2preAr+OfjH/0S16avdrQFiLjJvtA:bODOw9acifAoc+vA
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 2024-05-10_87397d6215b47e3f54f091c16608934b_cryptolocker
Files
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2024-05-10_87397d6215b47e3f54f091c16608934b_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