Behavioral task
behavioral1
Sample
2024-02-23_b971d898cf0d3535741cd3770c994ffa_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_b971d898cf0d3535741cd3770c994ffa_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_b971d898cf0d3535741cd3770c994ffa_cryptolocker
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Size
64KB
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MD5
b971d898cf0d3535741cd3770c994ffa
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SHA1
e224fe6e30ae060a407b8a488829d9625a5dd073
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SHA256
c65bd9a16f2539857b45607c054386518287ef8c285cbf020ef6f0f88a88731a
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SHA512
d00a2ef37dc17e671edbb5cc9dfcc9904192d983ece4e1a28531f67f2c13c92ff2a9d3d728f7111e91fa4b5d7556cf4fb02e4460398397398134e7d2c177f61e
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SSDEEP
768:zQz7yVEhs9+syJP6ntOOtEvwDpjFelaB7yBEY9Su8F5mLZ5k54B:zj+soPSMOtEvwDpj4kpmeLmQ5a
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 2024-02-23_b971d898cf0d3535741cd3770c994ffa_cryptolocker
Files
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2024-02-23_b971d898cf0d3535741cd3770c994ffa_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