Behavioral task
behavioral1
Sample
2024-04-28_f8382c3834e77c7b1b91421c10a4198c_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-28_f8382c3834e77c7b1b91421c10a4198c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-04-28_f8382c3834e77c7b1b91421c10a4198c_cryptolocker
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Size
55KB
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MD5
f8382c3834e77c7b1b91421c10a4198c
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SHA1
1956ddae6cb289560a7ed1ace20af84af1683be1
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SHA256
6f176a11a85a81ce29b456782b294ba268825e65d0aa163dd3c17472f48513df
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SHA512
6dc11847a353d51904ef2f30b1e3ba1426a216fec90ee95f05a00999b67189a5c9bd6966d29be78a2b7a2ef4243c10e7fbb1dfe7a056fd4a37c232c4e0056310
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+SK:bP9g/xtCS3Dxx0JSK
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 2024-04-28_f8382c3834e77c7b1b91421c10a4198c_cryptolocker
Files
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2024-04-28_f8382c3834e77c7b1b91421c10a4198c_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