2024-04-28_b37f998365c9aa791d334c1967e898da_cryptolocker | Triage

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General

Target

2024-04-28_b37f998365c9aa791d334c1967e898da_cryptolocker
Size

33KB
MD5

b37f998365c9aa791d334c1967e898da
SHA1

d48ede6aff7381819c06e4b05b8d9a9891574264
SHA256

60c7474ddbd1878b65d595eb941fc0ae04936332a5e9534a2fe70d1b34bb5943
SHA512

05d97e94fb836e4266b8ac50ed5199d87885c592d1ecba3f13a8b3fd7db5c026159345b98e3e48a9aecd26d79f1852cd921dc57e6826ff621a51e42954728c72
SSDEEP

768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5M9:bxNrC7kYo1Fxf2rYA9

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
2024-04-28_b37f998365c9aa791d334c1967e898da_cryptolocker

Files

2024-04-28_b37f998365c9aa791d334c1967e898da_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