2024-03-09_a4cb1cd9b2f747cc77c72717177d391e_cryptolocker | Triage

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General

Target

2024-03-09_a4cb1cd9b2f747cc77c72717177d391e_cryptolocker
Size

35KB
MD5

a4cb1cd9b2f747cc77c72717177d391e
SHA1

4a1f2ab90eebde310ec9e5d583a950fc99eb727d
SHA256

c93fdc1332bc0a8e49596c33802f63dfe2ec1812afab7deb5f836142a8a8e782
SHA512

d78083daf780d70382f2ddd6ed3dc654ab446fb76d03ebcf490831ae5205a06f906bd527e4e12996de845d0afc76ce8c950102dda07e9a306e91139787895e90
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznHzl6A0X/EIJ3sn:b/yC4GyNM01GuQMNXw2PSjH+P1cn

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
2024-03-09_a4cb1cd9b2f747cc77c72717177d391e_cryptolocker

Files

2024-03-09_a4cb1cd9b2f747cc77c72717177d391e_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