2024-05-30_7bcb20710a11c07dc6e4c7283cd75a6b_cryptolocker | Triage

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General

Target

2024-05-30_7bcb20710a11c07dc6e4c7283cd75a6b_cryptolocker
Size

31KB
MD5

7bcb20710a11c07dc6e4c7283cd75a6b
SHA1

f8b94fe818f210513b12abf6b800174afb4c0c2e
SHA256

e25a5976c627793fe62a00ce5074be714705f99692439f9d4fac27c7fc76ca8c
SHA512

a63335048614c7ef3c2a5e35d4a5dc7ea42f29f0cbd4f3de22230b518b10869fddda835b3e00aabdc67cfe45e56d21e137f58db5693ef33ba10cdebd0d94167b
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zznum+U8Ss87vhig:b/yC4GyNM01GuQMNXum+NSnig

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
2024-05-30_7bcb20710a11c07dc6e4c7283cd75a6b_cryptolocker

Files

2024-05-30_7bcb20710a11c07dc6e4c7283cd75a6b_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