2024-01-23_f4efcb306e9c727df4e3ff1baefb7b3e_cryptolocker | Triage

Sharing

General

Target

2024-01-23_f4efcb306e9c727df4e3ff1baefb7b3e_cryptolocker
Size

38KB
MD5

f4efcb306e9c727df4e3ff1baefb7b3e
SHA1

dcfebc13a0644e7bc16bc793c3bb5e7c96f1dd60
SHA256

cfd74171c5653e532f4d7e93e80c591f964239d3e5306561729fb0cc2fd8be18
SHA512

800b0a0a65a856974af45a149555e99f067fb14cc7054dea002937e7bbf9f7422011288fa30a9aa8158d1599e603f76548884d85f28d4cdb9f082ebeac0fc6cc
SSDEEP

384:bAvMaNGh4z7CG3POOvbRSLoF/F0QU5XYFnufc/zzoiM8Nekdvjl9V50i3NbZM+iV:bAvJCYOOvbRPDEgXrNekd7l94i3p+B

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
2024-01-23_f4efcb306e9c727df4e3ff1baefb7b3e_cryptolocker

Files

2024-01-23_f4efcb306e9c727df4e3ff1baefb7b3e_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