2024-03-13_b43946f6e59701f845062f931b01e0e7_cryptolocker | Triage

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General

Target

2024-03-13_b43946f6e59701f845062f931b01e0e7_cryptolocker
Size

41KB
MD5

b43946f6e59701f845062f931b01e0e7
SHA1

bdebf165296c22d0db6d3442f049830efe13912f
SHA256

276ed1a32e0f4522f3bd4e505fff1e9259765597025d5bba1522d718d33531d9
SHA512

fe84cff5742479a66862e922d5368687463fac4ebcbd999ec824eb16b4e079a533aa6a52e90de52bdbeffae6e7b7ed0625c3402fec5b7b7ba6db2003ac90b712
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PA9DN:b/pYayGig5HjS3NPA9DN

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
2024-03-13_b43946f6e59701f845062f931b01e0e7_cryptolocker

Files

2024-03-13_b43946f6e59701f845062f931b01e0e7_cryptolocker
.exe windows:5 windows x86 arch:x86

ad86a1414a0514f4c041167365378f70

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

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

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
CreateFileA

gdi32

CreateFontIndirectA

Sections

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

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: 512B - Virtual size: 1KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 10KB - Virtual size: 9KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ