2024-02-19_42e1d4c155fbe9df5e28fe2eb2b4dcf2_cryptolocker | Triage

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General

Target

2024-02-19_42e1d4c155fbe9df5e28fe2eb2b4dcf2_cryptolocker
Size

37KB
MD5

42e1d4c155fbe9df5e28fe2eb2b4dcf2
SHA1

ac2dcc69daa2f3108cb2d0c87bd0a6c0c26f7d2b
SHA256

8c7c80aa8d7679b058f4993d7a98acae0023908dbb70e4479d27dce35dc2b96a
SHA512

a2af5cecd3861a8227156027345e88b79d2acceca0797a8b0fa8ba620e3f13e9c6eaaac8dfb45ff9a4dff0b5efb5cd895e8b7ff663f60b8c664819ed371ee1c2
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuVu0:b/yC4GyNM01GuQMNXw2PSjHPbSuL

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
2024-02-19_42e1d4c155fbe9df5e28fe2eb2b4dcf2_cryptolocker

Files

2024-02-19_42e1d4c155fbe9df5e28fe2eb2b4dcf2_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