Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_37f6bcb18bb8ca089f18c4aba0d0ec79_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_37f6bcb18bb8ca089f18c4aba0d0ec79_cryptolocker.exe
Resource
win10v2004-20240221-en
General
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Target
2024-02-23_37f6bcb18bb8ca089f18c4aba0d0ec79_cryptolocker
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Size
68KB
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MD5
37f6bcb18bb8ca089f18c4aba0d0ec79
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SHA1
af7c31c499af2e40ab6b8222ab582e6d4fb8b8a3
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SHA256
67553af6f7905f3881e2ebf6b84fc7217134ac5dbc9cffcea063836c17541441
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SHA512
3e9050a1b2d6d68399c0809c5dd764fbe0e5f5e1c2ef8153a18df76a0552de97f966bbebe2057ad03c3ec4cffabad21671f75550d10ed5f2fe759f8ad4451410
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Ro:vj+jsMQMOtEvwDpj5HZYTjipvF24VG
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 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-23_37f6bcb18bb8ca089f18c4aba0d0ec79_cryptolocker
Files
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2024-02-23_37f6bcb18bb8ca089f18c4aba0d0ec79_cryptolocker.exe windows:5 windows x86 arch:x86
5c55d83b58dbc1f7154223c32a893074
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
UpdateWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCPInfo
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 1KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ