Behavioral task
behavioral1
Sample
2024-05-21_591aa001808775c27f2a9dabc8dba2c6_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-21_591aa001808775c27f2a9dabc8dba2c6_cryptolocker.exe
Resource
win10v2004-20240508-en
General
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Target
2024-05-21_591aa001808775c27f2a9dabc8dba2c6_cryptolocker
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Size
56KB
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MD5
591aa001808775c27f2a9dabc8dba2c6
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SHA1
cb460806b81ebf58d6fdb550765a3eda607e7e33
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SHA256
d9c5a800f73cae3774a30907e7938bb38444e1c49a14accea71b57e664fdef34
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SHA512
0094183802036d9e8279905405e3fee5d0c2df8a336a432eb09fb80432d8143bd194501230b66973a31a0a7ea0072b00647ec2d8291648e1e6521df501b9db41
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjla: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 2024-05-21_591aa001808775c27f2a9dabc8dba2c6_cryptolocker
Files
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2024-05-21_591aa001808775c27f2a9dabc8dba2c6_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