2024-03-12_ef3f9c4e3903ac423c4714370257bc1e_cryptolocker | Triage

Sharing

General

Target

2024-03-12_ef3f9c4e3903ac423c4714370257bc1e_cryptolocker
Size

38KB
MD5

ef3f9c4e3903ac423c4714370257bc1e
SHA1

8f2d9a55d9c3579fa407c3ded95c45b59fe6e3bc
SHA256

f534c39516a6b358736b41216fecdb847ebe6000e26c26949015a6f72423983e
SHA512

497b472be47ced79bef0fd3985179d81abdc9a2f1a333212694eaed3a4461266b118279b4d10d507e2487927067674c316d6f23b4ae6973da344337fca47a5a4
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoiM8Nekdvjl9V50i3NbF0QBL:bAvJCYOOvbRPDEgXrNekd7l94i3pF0ML

Score

10^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
sample	CryptoLocker_rule2

Unsigned PE 1 IoCs

Checks for missing Authenticode signature.

resource
2024-03-12_ef3f9c4e3903ac423c4714370257bc1e_cryptolocker

Files

2024-03-12_ef3f9c4e3903ac423c4714370257bc1e_cryptolocker
.exe windows:5 windows x86 arch:x86

5a4767bc6f06914cff6e249c178e3b95

Headers

File Characteristics

IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

DispatchMessageA
DrawTextA
EndPaint
BeginPaint
PostQuitMessage
ShowWindow
UpdateWindow
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
LoadCursorA
SetWindowPos
GetWindowRect
GetMessageA
DialogBoxParamA

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
GetCurrentDirectoryA
CloseHandle
GetCurrentProcessId
GetCurrentProcess
GetCurrentThreadId
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 10KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ