Static task
static1
Behavioral task
behavioral1
Sample
2024-04-16_b7275f8abe4a4d597e8c7ec989f5a9a3_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-04-16_b7275f8abe4a4d597e8c7ec989f5a9a3_cryptolocker.exe
Resource
win10v2004-20240226-en
General
-
Target
2024-04-16_b7275f8abe4a4d597e8c7ec989f5a9a3_cryptolocker
-
Size
82KB
-
MD5
b7275f8abe4a4d597e8c7ec989f5a9a3
-
SHA1
982a5755ee2e7f774473587883e591ded3e26280
-
SHA256
6dc45ed91b622425cb41672f56edbb8379576d500d26d30f041c7e70e5dd21e8
-
SHA512
8c20df21a564284324bcc288017572d59f12f8444790b8a3364c1b402506232caef1db83e61f7c3ab1e08b4e37fad29fc8d078a4b65648d2418d9d0fcf96717d
-
SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMrMH:TCjsIOtEvwDpj5HE/OUHnSMS
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 2024-04-16_b7275f8abe4a4d597e8c7ec989f5a9a3_cryptolocker
Files
-
2024-04-16_b7275f8abe4a4d597e8c7ec989f5a9a3_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
.idata Size: 14KB - Virtual size: 16KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE