Static task
static1
Behavioral task
behavioral1
Sample
2024-02-28_b91fa9ca5e80db8a7e983e9539971ba3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-28_b91fa9ca5e80db8a7e983e9539971ba3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-02-28_b91fa9ca5e80db8a7e983e9539971ba3_cryptolocker
-
Size
55KB
-
MD5
b91fa9ca5e80db8a7e983e9539971ba3
-
SHA1
f9da74d5aa79ed13a2bcdb4814cec5efa57c783a
-
SHA256
66f1d39d06156d83f56d8df912f442d176f35e8e135575044d42a9daba9e9aba
-
SHA512
5726c79ee5ca23d91099ce8c8ed6eccdc5e56ebd081df012545e43fe3b93c019e994da2af4031b1bea45a21cd06b110067cfe23760a5b7c1dc85a0ad152e02da
-
SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLhy3:X6a+SOtEvwDpjBrOQ
Malware Config
Signatures
-
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 2024-02-28_b91fa9ca5e80db8a7e983e9539971ba3_cryptolocker
Files
-
2024-02-28_b91fa9ca5e80db8a7e983e9539971ba3_cryptolocker.exe windows:5 windows x86 arch:x86
7ba3aa8366ce167c7a77ebd6e6fea8e5
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
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: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ