2024-01-22_a1db5e8fb2cd5e03a8a663a3fe676db1_cryptolocker | Triage

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General

Target

2024-01-22_a1db5e8fb2cd5e03a8a663a3fe676db1_cryptolocker
Size

41KB
MD5

a1db5e8fb2cd5e03a8a663a3fe676db1
SHA1

180cc233e6185b66393f1412d2e5ada45ea7fe69
SHA256

d131449ad82c6d53325dd1b42f72f6098edc9f3c026224cec4fae4d8268cc0bb
SHA512

575771bc8bccbcbae422704d2c1870424d19b765f660a718c3ed64fec0c553ba4408aa79e64fe77fb7ce3ad2c6cce15dcb5e1b9bc7376cd1cc7a7504a74bb5d3
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvbj:bxNrC7kYo1Fxf3s05rwxbF7Yvbj

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
2024-01-22_a1db5e8fb2cd5e03a8a663a3fe676db1_cryptolocker

Files

2024-01-22_a1db5e8fb2cd5e03a8a663a3fe676db1_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