2024-03-08_7e73f9d4c13cf338382a92ad8fad9c2e_cryptolocker | Triage

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General

Target

2024-03-08_7e73f9d4c13cf338382a92ad8fad9c2e_cryptolocker
Size

31KB
MD5

7e73f9d4c13cf338382a92ad8fad9c2e
SHA1

8ec1549b884624b5a1c7b2aac7b70ab64ece5ed5
SHA256

bd6faf171f5fba267ecc1652cc04ab56dccb48692a2e5826f8003776e98b7938
SHA512

628bf23de8746b1f407d6a424fc16ce12f6d012fd1617b0a3fbf1c0909ae59d753aef608d5d0ff83a5b5a7615afdfab2f878a98ee6c2a95661a0141b938a4922
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznStEkcbT:b/yC4GyNM01GuQMNXw2PSjSKkcX

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
2024-03-08_7e73f9d4c13cf338382a92ad8fad9c2e_cryptolocker

Files

2024-03-08_7e73f9d4c13cf338382a92ad8fad9c2e_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