Static task
static1
Behavioral task
behavioral1
Sample
2024-05-03_a17b7f6f47a781daaa8ffb2ec98fd215_cryptolocker.exe
Resource
win7-20240419-en
Behavioral task
behavioral2
Sample
2024-05-03_a17b7f6f47a781daaa8ffb2ec98fd215_cryptolocker.exe
Resource
win10v2004-20240419-en
General
-
Target
2024-05-03_a17b7f6f47a781daaa8ffb2ec98fd215_cryptolocker
-
Size
65KB
-
MD5
a17b7f6f47a781daaa8ffb2ec98fd215
-
SHA1
39e2545a70eb04430f7edfe2d9baeb136d0c8e2f
-
SHA256
3f31f3d4ce5c30845b1eb2c70b0f6ec1505207b9dac3a56a01cd777e3102497b
-
SHA512
01abd25469610b9a6d63763097636e251bd88c8a6f81ea6862dda6dd2c7be235c56a7e76f06e6e5f068b75582db074c390a895ed607bc426dc129262cfe35f81
-
SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBccD2RuoNmuBLZ/xblzoK:X6a+SOtEvwDpjBrOH
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 2024-05-03_a17b7f6f47a781daaa8ffb2ec98fd215_cryptolocker
Files
-
2024-05-03_a17b7f6f47a781daaa8ffb2ec98fd215_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