Static task
static1
Behavioral task
behavioral1
Sample
2024-02-18_b4dcf3bcfadb07b73274dd2d8fc5c200_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-18_b4dcf3bcfadb07b73274dd2d8fc5c200_cryptolocker.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-18_b4dcf3bcfadb07b73274dd2d8fc5c200_cryptolocker
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Size
41KB
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MD5
b4dcf3bcfadb07b73274dd2d8fc5c200
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SHA1
4f5c5d8ec305fcf2561a1d08d22b2a557411cbbf
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SHA256
824b8665e694d31d61ba4144a2caf0ec4097c4f6c4c050f495a8c85f2fdf3763
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SHA512
f9e964041681f11c27ed8c7684028dc46aa5cdde6761f11e7c8849e3b8319aba1601f8e4d81e27ce59f574d03ef8ecafa3cbbc4debf1e339ac53d860f3d02770
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkpb:vj+jsMQMOtEvwDpj5HW5Iib
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 2024-02-18_b4dcf3bcfadb07b73274dd2d8fc5c200_cryptolocker
Files
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2024-02-18_b4dcf3bcfadb07b73274dd2d8fc5c200_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