2024-04-04_b113779589b0d5c2db035993039d3c71_cryptolocker | Triage

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General

Target

2024-04-04_b113779589b0d5c2db035993039d3c71_cryptolocker
Size

45KB
MD5

b113779589b0d5c2db035993039d3c71
SHA1

787f97cd6ef68a975fad8aa08e0c3943b140a4b9
SHA256

ebbe4cb26f8c2cc4da19b5b6d3bacc745c19f84883e3387c5e2169d117e053bf
SHA512

6216682247e71af39c39eda8cf9fe0b1d0b30c3a113a4e276b217a7adbbedfc10a4692145bf610c793823aec5874fab68f5a608ec1b045319347e3c9f4a89d5e
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen754XcwxbFp1Yvb9NpDe:bxNrC7kYo1Fxf3s05rwxbF7YvbXpq

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
2024-04-04_b113779589b0d5c2db035993039d3c71_cryptolocker

Files

2024-04-04_b113779589b0d5c2db035993039d3c71_cryptolocker
.exe windows:5 windows x86 arch:x86

3c4da9ed0ba02990af7795e358bfd650

Headers

File Characteristics

IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE

Imports

user32

PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadIconA
GetWindowRect
LoadCursorA
ShowWindow
SetWindowPos

kernel32

GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
GetCurrentDirectoryA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCurrentProcess
CreateFileA

gdi32

CreateFontIndirectA

Sections

.text
Size: 11KB - Virtual size: 10KB

IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ

.data
Size: 3KB - Virtual size: 3KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE

.rsrc
Size: 8KB - Virtual size: 8KB

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ

.reloc
Size: 1024B - Virtual size: 518B

IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ