Static task
static1
Behavioral task
behavioral1
Sample
2024-04-30_f813c6c3e9cbadaa53cb5de272aa235c_cryptolocker.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
2024-04-30_f813c6c3e9cbadaa53cb5de272aa235c_cryptolocker.exe
Resource
win10v2004-20240419-en
General
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Target
2024-04-30_f813c6c3e9cbadaa53cb5de272aa235c_cryptolocker
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Size
81KB
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MD5
f813c6c3e9cbadaa53cb5de272aa235c
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SHA1
81e522da28e8ba5a53a845314626650da6acca3d
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SHA256
8ed86992d29289070edd573df92cc90f99538625dcb85961b2921750f3c72299
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SHA512
a33a9a783dae1cf7a2e5866723c0c7d713e6236cf7f2b199fe3721ae57505a6812436494d99bdccb1cf62171f100c453252d69320d0e20aa64b2176c02ad0481
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SSDEEP
1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqV0C:vCjsIOtEvwDpj5H9YvQd20
Malware Config
Signatures
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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 2024-04-30_f813c6c3e9cbadaa53cb5de272aa235c_cryptolocker
Files
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2024-04-30_f813c6c3e9cbadaa53cb5de272aa235c_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