Static task
static1
Behavioral task
behavioral1
Sample
2024-04-04_4a66a1bfeb7bbce080e52382ddcaa6d2_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-04_4a66a1bfeb7bbce080e52382ddcaa6d2_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-04_4a66a1bfeb7bbce080e52382ddcaa6d2_cryptolocker
-
Size
73KB
-
MD5
4a66a1bfeb7bbce080e52382ddcaa6d2
-
SHA1
22a2fe4d8990ed7245a30e19f1a3cade2a63a361
-
SHA256
f15f0b46aeac2d5a694a04a79010ac94621d76031121da798791ccb634c5c9e4
-
SHA512
ff0e3bd0344d80fe7728f920c793528a6be8599abd84acdea8a2551f4e048256cbb41b4592a10f6c1d0c1b1e1dee6b5f783bccffdeaea77b11d6015b8b836570
-
SSDEEP
1536:X6QFElP6n+gJQMOtEvwDpjBZYTjipvF2bx1rHsoW:X6a+SOtEvwDpjBZYvQd2m
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 2024-04-04_4a66a1bfeb7bbce080e52382ddcaa6d2_cryptolocker
Files
-
2024-04-04_4a66a1bfeb7bbce080e52382ddcaa6d2_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