2024-04-09_f8e72aa8ca4eb7994d1eb7fe03c7bd52_cryptolocker | Triage

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General

Target

2024-04-09_f8e72aa8ca4eb7994d1eb7fe03c7bd52_cryptolocker
Size

41KB
MD5

f8e72aa8ca4eb7994d1eb7fe03c7bd52
SHA1

6261c71dd2989648b16bf73d1fa5807102f8fbc4
SHA256

f879f86a53e9d2bd7cb7fda29e5cdfb884fee12386a1cd4e7366cd9fab3aaff4
SHA512

be7e149fd7a56feeb8224f49a0e1a67cc306a52865ad55814c619e4fbfcaf1a3d7bc7ed54ce46cc41070fa5c739ec24d2b3bc76492cf6535b75b05c62c64a58a
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg1tsJ6zeen7JEgx3Oxrlp:bxNrC7kYo1Fxf3s06gYB

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
2024-04-09_f8e72aa8ca4eb7994d1eb7fe03c7bd52_cryptolocker

Files

2024-04-09_f8e72aa8ca4eb7994d1eb7fe03c7bd52_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