2024-03-08_b2705ed1f4dc9da45502605b3e3fa65b_cryptolocker | Triage

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General

Target

2024-03-08_b2705ed1f4dc9da45502605b3e3fa65b_cryptolocker
Size

26KB
MD5

b2705ed1f4dc9da45502605b3e3fa65b
SHA1

81a6f8ea2cf48d53867b973f98fa18ad725683fa
SHA256

c39c35ebe819c9b37da7484512c40f75c2f3f34ac4d310edacfbf0634f930050
SHA512

a9856e6d0de7c22901671e8f7a747858b6458507f1d0e74eeaf44a97bc031abe0a4660d9fd556d4462feb2fcfc005373a72d5eff119b229acc5fe9a8f866e4bb
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznuS:b/yC4GyNM01GuQMNXuS

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
2024-03-08_b2705ed1f4dc9da45502605b3e3fa65b_cryptolocker

Files

2024-03-08_b2705ed1f4dc9da45502605b3e3fa65b_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