2024-02-22_3b6ad3e2f2dbf45d2cfbb0b9faa4928e_cryptolocker | Triage

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General

Target

2024-02-22_3b6ad3e2f2dbf45d2cfbb0b9faa4928e_cryptolocker
Size

38KB
MD5

3b6ad3e2f2dbf45d2cfbb0b9faa4928e
SHA1

b74e8731f88145b13da2772c2c4f2f38fc347e06
SHA256

babcf284240e54ad8138709b0123554535f54353c90342fd1ec155b0260632ee
SHA512

a5f86ee85661851802a9ba3043ab15cbf77a9ce090adeeb3ef47d97f8fbdc8dba84acbd23317cba977a0b0b2987ca9e0c727eaa09752b0a787e717ca60bc4100
SSDEEP

768:b/yC4GyNM01GuQMNXw2PSjHPbSuYluo8u:b/pYayGig5HjS3su

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_3b6ad3e2f2dbf45d2cfbb0b9faa4928e_cryptolocker

Files

2024-02-22_3b6ad3e2f2dbf45d2cfbb0b9faa4928e_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