Static task
static1
Behavioral task
behavioral1
Sample
4d585d884ba70d5fa1a7b61922c7d431_cryptolocker_JC.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
4d585d884ba70d5fa1a7b61922c7d431_cryptolocker_JC.exe
Resource
win10v2004-20230703-en
General
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Target
4d585d884ba70d5fa1a7b61922c7d431_cryptolocker_JC.exe
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Size
45KB
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MD5
4d585d884ba70d5fa1a7b61922c7d431
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SHA1
5f0386a52f6ecac7b2aaf208119286a8f6188702
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SHA256
5bab35e4cad01f41fe258e2fa11438c700d784ce1a422b604d1ac0320d66fd73
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SHA512
3158396e59ef44a7485f5cf8a74d6d28ef0c12418d167422b0fff1a93c39310a36f09ce88a15e17c6f90f26fd30d3bbe880c09cd7e55b34d3942263513e85128
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SSDEEP
768:79inqyNR/QtOOtEvwDpjBKp1MiYPP/btp:79mqyNhQMOtEvwDpjBktYH3
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4d585d884ba70d5fa1a7b61922c7d431_cryptolocker_JC.exe
Files
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4d585d884ba70d5fa1a7b61922c7d431_cryptolocker_JC.exe.exe windows x86
7ba3aa8366ce167c7a77ebd6e6fea8e5
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
PostQuitMessage
GetMessageA
UpdateWindow
EndPaint
DispatchMessageA
BeginPaint
TranslateMessage
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
DestroyWindow
LoadCursorA
LoadIconA
ShowWindow
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
FindFirstFileA
FormatMessageA
FindClose
FindNextFileA
DeleteFileA
CloseHandle
GetACP
CreateFileA
gdi32
CreateFontIndirectA
Sections
.text Size: 11KB - Virtual size: 11KB
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.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: 536B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ
.rlwEs Size: 1KB - Virtual size: 1KB
IMAGE_SCN_MEM_READ
.wdbm Size: 1024B - Virtual size: 1024B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.epwjdwx Size: 1024B - Virtual size: 1024B
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.RisVgtS Size: 3KB - Virtual size: 2KB
IMAGE_SCN_MEM_READ
.zKnY Size: 1024B - Virtual size: 753B
IMAGE_SCN_MEM_READ