2024-03-10_638d1ce1bd0aa2f7acff0eba7241d2c7_cryptolocker | Triage

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General

Target

2024-03-10_638d1ce1bd0aa2f7acff0eba7241d2c7_cryptolocker
Size

37KB
MD5

638d1ce1bd0aa2f7acff0eba7241d2c7
SHA1

9ab3d7bdd43292ae2f6c6396f309b1267c50d03f
SHA256

84cb21f7f3ac3f968e48842d8ff7c579b62d5ed797a663e5dcdb75ab4243a512
SHA512

8bab6bb9201c265dd00b94777ee57cc186a5441bbe8bcddb9b102ba03170c5474866ebb5f12be56748844ef97f2472adcb8f8977ff4b48a95b91dd093348e09c
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3a0:bxNrC7kYo1Fxf3s06gY0

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
2024-03-10_638d1ce1bd0aa2f7acff0eba7241d2c7_cryptolocker

Files

2024-03-10_638d1ce1bd0aa2f7acff0eba7241d2c7_cryptolocker
.exe windows:5 windows x86 arch:x86

3c4da9ed0ba02990af7795e358bfd650

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
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
ShowWindow
SetWindowPos

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
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: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 518B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ