2024-01-19_a5f71ef40589d7cb6a80c45c9e83871b_cryptolocker | Triage

Sharing

General

Target

2024-01-19_a5f71ef40589d7cb6a80c45c9e83871b_cryptolocker
Size

33KB
MD5

a5f71ef40589d7cb6a80c45c9e83871b
SHA1

2828e4835bf9b9c7131b3686cd3a5efd29e95bf3
SHA256

c6a103fe9eb0d3f34e228ae70418030eaf2a9f40d95ed9c73eaa3d1f2fa5723a
SHA512

be72592700dbc3b9c8ef2d5cf6b9292f245e4e3415f6cd23f58570f159917d9b430b8913649f2df012aed526cee7f07384f857d627029a160a2f520deb572f6f
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzogFzpjufAq18st8B9:bAvJCYOOvbRPDEgXVFzpCYVb

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
2024-01-19_a5f71ef40589d7cb6a80c45c9e83871b_cryptolocker

Files

2024-01-19_a5f71ef40589d7cb6a80c45c9e83871b_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