2024-06-04_b61deef9099be2c47ec065669b34b67c_cryptolocker | Triage

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General

Target

2024-06-04_b61deef9099be2c47ec065669b34b67c_cryptolocker
Size

42KB
MD5

b61deef9099be2c47ec065669b34b67c
SHA1

40d398b2d08565139bca7f9be447938fa972cdb4
SHA256

051bf7c8162ccc7dbcf6186df0d5f192e67f139e7f0279b3fa85b709aa51623f
SHA512

65712a4c7d129d5d5437072ab02d295598d00d51c8dca9bb51797c6e3c8502ebad264d99fae65bc4967f832f25aa6a9189bdc4457c07bd650ef6a18c8ff14a33
SSDEEP

768:bA74zYcgT/Ekd0ryfjPIunqpeNswmT3Hwc:bA6YcA/X6G0W143Qc

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
2024-06-04_b61deef9099be2c47ec065669b34b67c_cryptolocker

Files

2024-06-04_b61deef9099be2c47ec065669b34b67c_cryptolocker
.exe windows:5 windows x86 arch:x86

021d5e7849e90fdf4c65d3045c109483

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

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

kernel32

GetCurrentThreadId
CreateFileA
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
GetFileSize
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcessId
GetCurrentProcess

gdi32

CreateFontIndirectA

Sections

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

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 2KB

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: 536B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ