Behavioral task
behavioral1
Sample
2024-04-22_025926b422f2b3747fc41ce58da64a18_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-22_025926b422f2b3747fc41ce58da64a18_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-22_025926b422f2b3747fc41ce58da64a18_cryptolocker
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Size
55KB
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MD5
025926b422f2b3747fc41ce58da64a18
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SHA1
da3341aedb4103be5b207f1f4fd917f234f9288e
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SHA256
ea98f9bdd23dfdb809743329925080dc9d7d871a0419e909895a44296e974e5d
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SHA512
ca5c1f3e491b35d18cbce0aa12423e5b56794665dc0586c42dfd8529ef24f743d37835d7fd36e7913042b187d87b28fe451ea3d77ca6b5054bc3d3b3a4325c82
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjlk1:bP9g/xtCS3Dxx0v
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 2024-04-22_025926b422f2b3747fc41ce58da64a18_cryptolocker
Files
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2024-04-22_025926b422f2b3747fc41ce58da64a18_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