2024-01-29_38c83ec2436c710ed7e5b4d66d96c3ba_cryptolocker | Triage

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General

Target

2024-01-29_38c83ec2436c710ed7e5b4d66d96c3ba_cryptolocker
Size

31KB
MD5

38c83ec2436c710ed7e5b4d66d96c3ba
SHA1

a52369a6d2f8b80dfbaab1a5cc1041938c489ff2
SHA256

2e01e0179d80d5e75326568abe765fb8e1157707c5439bc3273d6a21451a4662
SHA512

04f78f61fc5c6e2889a6d76f5c84f6871d6bc7536fcd0443d27d2531a9e0eb736f10587004c6d3132bc7366f7802dc1a56862ef0ec16727f4d3ce5b3baca783a
SSDEEP

384:bM7Q0pjC4GybxMv01d3AcASBQMf6i/zzzcYgUPSznUsDj:b/yC4GyNM01GuQMNXw2PSjZj

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
2024-01-29_38c83ec2436c710ed7e5b4d66d96c3ba_cryptolocker

Files

2024-01-29_38c83ec2436c710ed7e5b4d66d96c3ba_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