Behavioral task
behavioral1
Sample
2024-04-24_9ab31728381c6a41055d8f6ceacd0c70_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-24_9ab31728381c6a41055d8f6ceacd0c70_cryptolocker.exe
Resource
win10v2004-20240412-en
General
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Target
2024-04-24_9ab31728381c6a41055d8f6ceacd0c70_cryptolocker
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Size
55KB
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MD5
9ab31728381c6a41055d8f6ceacd0c70
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SHA1
ba00202f920f315dea42a8726b68c82861b74cbf
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SHA256
58614858add2b0fee3fa34ed60e34d519e4328c1ef8684bceddd68f10b355baa
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SHA512
9d9a317a2029f0838961227d3d8fb1f740c965534f88d68686768da6a3d0da63280643f474cd6b56620f83046cd5a61f15c1e091279f0535b85359532a316f72
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+e:bP9g/xtCS3Dxx0Je
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 2024-04-24_9ab31728381c6a41055d8f6ceacd0c70_cryptolocker
Files
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2024-04-24_9ab31728381c6a41055d8f6ceacd0c70_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: 17KB - Virtual size: 24KB
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 9KB - 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