2024-04-22_e3a02a686c44536b21b1f1d1b40c8f17_cryptolocker | Triage

Sharing

General

Target

2024-04-22_e3a02a686c44536b21b1f1d1b40c8f17_cryptolocker
Size

41KB
MD5

e3a02a686c44536b21b1f1d1b40c8f17
SHA1

91861cd27aedf0632a8d79139e618a60ef239edf
SHA256

7bcb0ed9e772687ce96f14b561b783a4decd019439273cbd7f896ac81a7b2d5e
SHA512

79a933301a4295c9139df435efc14793eb1685ae68bbad1d22ea65710834ab6389778fd85ec4f32ea6fc6560c0e07bbb7526c6605139e5858534da0b997ba346
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6AJvDSuYlmoHR8uyWQ1:b/yC4GyNM01GuQMNXw2PSjHPbSuYlZu

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
2024-04-22_e3a02a686c44536b21b1f1d1b40c8f17_cryptolocker

Files

2024-04-22_e3a02a686c44536b21b1f1d1b40c8f17_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