2024-02-22_a4dc223e88a4641ed1507b487492f230_cryptolocker | Triage

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General

Target

2024-02-22_a4dc223e88a4641ed1507b487492f230_cryptolocker
Size

41KB
MD5

a4dc223e88a4641ed1507b487492f230
SHA1

d19efc3bb4767706e5403379e9689362ce858466
SHA256

26e3a3c0f1b3aca3f208274bceba74b6a84b2421cd3be214503e790e0da9f643
SHA512

a71ade57b953c6b441435e481e44e0f394375c9a3509d95c3e358fcbdc99ff9532e78b00ae99c553ba65e3af173f0a29202a62e3f48894365ce7fcdb65c4e9ac
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYlW8PAa4y:b/pYayGig5HjS3NPA8

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
2024-02-22_a4dc223e88a4641ed1507b487492f230_cryptolocker

Files

2024-02-22_a4dc223e88a4641ed1507b487492f230_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