Behavioral task
behavioral1
Sample
2024-02-22_9bc4dbce3a85c22af09cfda8e87a36da_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-22_9bc4dbce3a85c22af09cfda8e87a36da_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-22_9bc4dbce3a85c22af09cfda8e87a36da_cryptolocker
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Size
87KB
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MD5
9bc4dbce3a85c22af09cfda8e87a36da
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SHA1
83ac7791a73e3cf383b30c34e0cfdb59a15374a8
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SHA256
dbe9658d51a62f2126733c39c8bd985a80a32e4e1c38242302c6bd01b872707d
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SHA512
a3f59ee5f16c274afac3cf24b976b28b5ae2d4345f43ac652270c4b63d386d0b1279d12eea40c9c924ab9e15280edabec274602be3c5f2ffa421da25a586279d
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SSDEEP
1536:zj+soPSMOtEvwDpj4ktBl01hJl8QAPM8Ho6cRMy8tS:zCsanOtEvwDpjI
Malware Config
Signatures
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Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
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 2024-02-22_9bc4dbce3a85c22af09cfda8e87a36da_cryptolocker
Files
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2024-02-22_9bc4dbce3a85c22af09cfda8e87a36da_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: 20KB - Virtual size: 32KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_UNINITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
UPX1 Size: 10KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - 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