Static task
static1
Behavioral task
behavioral1
Sample
2024-01-28_633f04ea3dc525652c809f04f8272d01_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-01-28_633f04ea3dc525652c809f04f8272d01_cryptolocker.exe
Resource
win10v2004-20231222-en
General
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Target
2024-01-28_633f04ea3dc525652c809f04f8272d01_cryptolocker
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Size
53KB
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MD5
633f04ea3dc525652c809f04f8272d01
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SHA1
77d455409e4da76dfe78378b6b2e31e2582a977f
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SHA256
56e0a6ae4a3642e1029b596a1cae0df72e6f0eb44b3ea3bb70f557968da20e04
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SHA512
648f5179e150772b3b855db085382402ccc2e3ca6982de367c40ca8643bae895f8af00f32fa7c9b6327569bc69481b57888e724e5b0d34647e356689a0509079
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SSDEEP
768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vaTiSfQaV2L05J:X6QFElP6n+gJBMOtEvwDpjBtE1yILE
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 2024-01-28_633f04ea3dc525652c809f04f8272d01_cryptolocker
Files
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2024-01-28_633f04ea3dc525652c809f04f8272d01_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