2024-05-31_bc275ad0bed9466778e44fbb2bd4b4f9_cryptolocker | Triage

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General

Target

2024-05-31_bc275ad0bed9466778e44fbb2bd4b4f9_cryptolocker
Size

35KB
MD5

bc275ad0bed9466778e44fbb2bd4b4f9
SHA1

e106759b6349a42a73b7fa56d43f07d3d07c9fdf
SHA256

4bec568e54c6234bdc48cb3c7a59fd1e869b43b2add60fc6278b6fc58d6944b3
SHA512

4a1b9dac29ef482eec9d42ecc1ef02fea912ddddd2118e356622c8c2bb7a9d55f758b75d5fbbc1f8551a30f88af862bdae5cb15caafb1505e5ff39c031e084f0
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos56LC:bxNrC7kYo1Fxf2rYOLC

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
2024-05-31_bc275ad0bed9466778e44fbb2bd4b4f9_cryptolocker

Files

2024-05-31_bc275ad0bed9466778e44fbb2bd4b4f9_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