2024-05-25_640cfa2bab598788ba412973ed631b8b_cryptolocker | Triage

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General

Target

2024-05-25_640cfa2bab598788ba412973ed631b8b_cryptolocker
Size

45KB
MD5

640cfa2bab598788ba412973ed631b8b
SHA1

f8194dfb0fecf22e8ced7788c52ab6197bd97ed1
SHA256

70d128289b319ea5e67fdb4c62eefe95802664e78fbe45cbc28de4ce0e4e6da8
SHA512

6965b596712a6882e6a6fa5df7015583a17fde2036bc1f08fbb5da2039b8f1353903f10c77227a762ec143bcbb2c3bb1784849310f9d5866308b6fb8cf1aa7d1
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PAo:b/pYayGig5HjS3NPAo

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
2024-05-25_640cfa2bab598788ba412973ed631b8b_cryptolocker

Files

2024-05-25_640cfa2bab598788ba412973ed631b8b_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