2024-04-17_cf0b7fb9e85d88ab35e331ab3d9fc273_cryptolocker | Triage

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General

Target

2024-04-17_cf0b7fb9e85d88ab35e331ab3d9fc273_cryptolocker
Size

37KB
MD5

cf0b7fb9e85d88ab35e331ab3d9fc273
SHA1

75c6fc2f77e96bf3f5a7f3b441a9156c18ae14e6
SHA256

2945031812ec29770db9af352786a9ab95e698255d39223642a00d781cdf5661
SHA512

1d29481e68508a046005c1ad2e7f1cf1bd30ec9606968b066f75bf720a6f41e5686132d1c6c0fb05bf7d624d136bdc09c0ac0c72477db910dc24673b2f83e527
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSzn1KkZCb9q8IujdxNe:b/yC4GyNM01GuQMNXw2PSj1Pqq8Bg

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
2024-04-17_cf0b7fb9e85d88ab35e331ab3d9fc273_cryptolocker

Files

2024-04-17_cf0b7fb9e85d88ab35e331ab3d9fc273_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