2024-02-25_b0889a25bc0b2e4bd5e6c4ee7551301a_cryptolocker | Triage

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General

Target

2024-02-25_b0889a25bc0b2e4bd5e6c4ee7551301a_cryptolocker
Size

41KB
MD5

b0889a25bc0b2e4bd5e6c4ee7551301a
SHA1

dfa28ad9f9dac3c4a6f1704a2cd91d8964ff736f
SHA256

a7186e62aa7ecb7f451dfa64bd35e75cc2b647497dc5c79110da368e608cd030
SHA512

7fd5002cb8320a24298716fe506fdb1aa0b4bc3e95a89b0a4f6dac333fbb9e3decee46e1941a85eabf328a5eb8abc9629aae23a64e8c35c4f01187dba07a5083
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PA9D3:b/pYayGig5HjS3NPA9D3

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
2024-02-25_b0889a25bc0b2e4bd5e6c4ee7551301a_cryptolocker

Files

2024-02-25_b0889a25bc0b2e4bd5e6c4ee7551301a_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