Static task
static1
Behavioral task
behavioral1
Sample
2024-06-04_879f5eeced7374afbe1bbe5ae2c4f36c_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-06-04_879f5eeced7374afbe1bbe5ae2c4f36c_cryptolocker.exe
Resource
win10v2004-20240226-en
General
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Target
2024-06-04_879f5eeced7374afbe1bbe5ae2c4f36c_cryptolocker
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Size
43KB
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MD5
879f5eeced7374afbe1bbe5ae2c4f36c
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SHA1
3b018cd8cd79a37bed50198ba374eb096784ff2a
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SHA256
f63ac78ab47c3b4e6c1dcc3b9cad1047a986d4f9379ffca3a4e9b3e113bd4bce
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SHA512
713ab0426c9fde6e315ca74e582fe57378054130c69b617ff9657ccd44964a1b0c7b3a64c288ccd935c365664a72023e34f332146aa00fc640647e4ffcfd489b
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SSDEEP
768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66Tcr:vj+jsMQMOtEvwDpj5HW5scr
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 2024-06-04_879f5eeced7374afbe1bbe5ae2c4f36c_cryptolocker
Files
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2024-06-04_879f5eeced7374afbe1bbe5ae2c4f36c_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