2024-02-22_4fd58a43bdd7fd3e4c9d87846da889a9_cryptolocker | Triage

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General

Target

2024-02-22_4fd58a43bdd7fd3e4c9d87846da889a9_cryptolocker
Size

41KB
MD5

4fd58a43bdd7fd3e4c9d87846da889a9
SHA1

61f6ddbeaef7b3c3324c2dda75f647ce86344050
SHA256

733ce9888a8b6dcac773f74cbd3bd83350422d1fe0a6418f2b5cf464958c4bdd
SHA512

aa907166f997edb2b8881183793669782db7350a47cf6e518c490f55ee05425dc91cea4947b383fe1c4b03ac837eb47d7c1984292a8ca767db7cb0fc028d5fac
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PAjU:b/pYayGig5HjS3NPAQ

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
2024-02-22_4fd58a43bdd7fd3e4c9d87846da889a9_cryptolocker

Files

2024-02-22_4fd58a43bdd7fd3e4c9d87846da889a9_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