2024-03-10_a5d82e1efc6cfd5b8b81a4a34e8e7e46_cryptolocker | Triage

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General

Target

2024-03-10_a5d82e1efc6cfd5b8b81a4a34e8e7e46_cryptolocker
Size

42KB
MD5

a5d82e1efc6cfd5b8b81a4a34e8e7e46
SHA1

ff293439b15218734fa477765feaec5f3e9e33db
SHA256

9a1383fc87c0cbf33cd4d1d8e3a1f625cb4fad48498c8b6a3a64cadab226f125
SHA512

31cff489e9c10139a17fd3a769d47213189d231445ec2fe32a3dd9925b19a3d8ab46e4568e54c6f53523a948cff9d0e2d02eafc97bd16189c9e1b7fe8e3c9c19
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PAa4li:b/pYayGig5HjS3NPAHi

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
2024-03-10_a5d82e1efc6cfd5b8b81a4a34e8e7e46_cryptolocker

Files

2024-03-10_a5d82e1efc6cfd5b8b81a4a34e8e7e46_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