Behavioral task
behavioral1
Sample
2024-05-09_bf8432dbffc47dfca25268e024d41544_cryptolocker.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
2024-05-09_bf8432dbffc47dfca25268e024d41544_cryptolocker.exe
Resource
win10v2004-20240426-en
General
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Target
2024-05-09_bf8432dbffc47dfca25268e024d41544_cryptolocker
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Size
56KB
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MD5
bf8432dbffc47dfca25268e024d41544
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SHA1
bdaf9e9714f257011859eef90283177763b4bbfd
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SHA256
8f4a150ad19b69ee89bfb0d9b92cd3b035ce0135aa4328d2dabb491cb666d35c
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SHA512
337877b78fd6d4c64743bf2a127027b54373f64df9d13ffd010a768a6aef9ce3fde0863f94f89496c2e656f9708be551d2c7b462accedc28360921249867289e
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SSDEEP
768:bP9g/WItCSsAfFaeOcfXVr3BPOz5CFBmNuFgUjl+V:bP9g/xtCS3Dxx0JV
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 2024-05-09_bf8432dbffc47dfca25268e024d41544_cryptolocker
Files
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2024-05-09_bf8432dbffc47dfca25268e024d41544_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