Static task
static1
Behavioral task
behavioral1
Sample
2024-02-23_d11c4adb56f3452d7a1863a2b7bbdd44_cryptolocker.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
2024-02-23_d11c4adb56f3452d7a1863a2b7bbdd44_cryptolocker.exe
Resource
win10v2004-20240221-en
General
-
Target
2024-02-23_d11c4adb56f3452d7a1863a2b7bbdd44_cryptolocker
-
Size
80KB
-
MD5
d11c4adb56f3452d7a1863a2b7bbdd44
-
SHA1
999a6e8f4aedcc7c6c10d2162f1c2f003d443cf5
-
SHA256
5a31cac338f1709496550d7210db6839a9c9ce6016cb14c813b89defa0dbe1b2
-
SHA512
5f557bb5f1a6cbf58ad92ea9fb6b3df15348684afe3df501ecfb4cb6907aa3f69c3b060e095e3965ab098036f1e2092bce9e56bf1f85524dcb63006feafb0261
-
SSDEEP
1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMMAJ:TCjsIOtEvwDpj5HE/OUHnSMe
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 2024-02-23_d11c4adb56f3452d7a1863a2b7bbdd44_cryptolocker
Files
-
2024-02-23_d11c4adb56f3452d7a1863a2b7bbdd44_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