Behavioral task
behavioral1
Sample
2024-05-11_16105e90c25865509c2cbb28cafa1df2_cryptolocker.exe
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
2024-05-11_16105e90c25865509c2cbb28cafa1df2_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-11_16105e90c25865509c2cbb28cafa1df2_cryptolocker
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Size
87KB
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MD5
16105e90c25865509c2cbb28cafa1df2
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SHA1
019588874fdd2be409d6ee3721361b2dd9aab477
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SHA256
b24f0f8abb5f5af13c7d15784235f0286edae4afd787bfc193b75b55fabe5298
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SHA512
64ebdd242c77a1c8f6a66418e84ff1c1fb73d126cb27224c36ee2734e415e94138aa7e6bd019c1f25075079f3384db6dd65e6dd5ab5cb350d20ce823553f6c93
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SSDEEP
1536:T6QFElP6n+gxmddpMOtEvwDpjwaxTNUOT7vM5RA:T6a+rdOOtEvwDpjNd
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 2024-05-11_16105e90c25865509c2cbb28cafa1df2_cryptolocker
Files
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2024-05-11_16105e90c25865509c2cbb28cafa1df2_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