Static task
static1
Behavioral task
behavioral1
Sample
2024-02-19_71c834efd4152e1cdfa20454a4e095f3_cryptolocker.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-19_71c834efd4152e1cdfa20454a4e095f3_cryptolocker.exe
Resource
win10v2004-20231215-en
General
-
Target
2024-02-19_71c834efd4152e1cdfa20454a4e095f3_cryptolocker
-
Size
78KB
-
MD5
71c834efd4152e1cdfa20454a4e095f3
-
SHA1
c0b243f988197de008a4b6993916a253c68301c1
-
SHA256
059ee24e38b7b4b5c8f4c1d432eda0751368176dc98f5e88ba93ca8822cf6230
-
SHA512
06b573d03d27d7f423b8ae39fb3335cc434ad0dc395f07f50897c4d38ca512ba3db32bd5779606c715f88de1a3080f635ede03b348f9f2e0798d0f61adcbb5cb
-
SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNK:vCjsIOtEvwDpj5H9YvQd2A
Malware Config
Signatures
-
Detection of CryptoLocker Variants 1 IoCs
resource yara_rule sample CryptoLocker_rule2 -
Detection of Cryptolocker Samples 1 IoCs
resource yara_rule sample CryptoLocker_set1 -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2024-02-19_71c834efd4152e1cdfa20454a4e095f3_cryptolocker
Files
-
2024-02-19_71c834efd4152e1cdfa20454a4e095f3_cryptolocker.exe windows:5 windows x86 arch:x86
5c55d83b58dbc1f7154223c32a893074
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
ShowWindow
PostQuitMessage
GetMessageA
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
UpdateWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetCPInfo
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
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: 1024B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 11KB - Virtual size: 10KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 542B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ