2024-03-06_b0523fb0f5341f7506a8cf7eb97d16a9_cryptolocker | Triage

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General

Target

2024-03-06_b0523fb0f5341f7506a8cf7eb97d16a9_cryptolocker
Size

33KB
MD5

b0523fb0f5341f7506a8cf7eb97d16a9
SHA1

e4c4c40efb2d1cdde5d7b252345abecffbde8393
SHA256

fb96ae7d175a5fba16260b4f9e0540d5c7b29195d0407b4e2335d456994225f2
SHA512

bc0499d39396067ef162fb28a046e3f05b91f4c91f7a0827f1644c32dd2110d81badb60b659434967f304b80266b6f0d538c510cdbe41a6a5d4b5e0d29b7e94e
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzu02lOJQF:b/yC4GyNM01GuQMNXw2PSjHC02lJF

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
2024-03-06_b0523fb0f5341f7506a8cf7eb97d16a9_cryptolocker

Files

2024-03-06_b0523fb0f5341f7506a8cf7eb97d16a9_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