Static task
static1
Behavioral task
behavioral1
Sample
2023-08-27_81d8e13570ce23a929bc87a528f2b255_cryptolocker_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
2023-08-27_81d8e13570ce23a929bc87a528f2b255_cryptolocker_JC.exe
Resource
win10v2004-20230915-en
General
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Target
2023-08-27_81d8e13570ce23a929bc87a528f2b255_cryptolocker_JC.exe
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Size
39KB
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MD5
81d8e13570ce23a929bc87a528f2b255
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SHA1
574d8e1d977666c6f1ee9a8618e2c955800c71e6
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SHA256
242023190c9ecbc4da1a26609d609e2ec4ec3e89a707fb268ebe9de5afd46004
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SHA512
254e705ee4e4f2920f7be31cee0aabc34a29c06ff850ff4d5a1d8ae0579c5f53130bab3e186a5ddf835d7d08edde769c79fb33e4e637a7dfdf92a0e1d106104a
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SSDEEP
768:Kf1K2exg2kBwtdgI2MyzNORQtOflIwoHNV2XBFV72BOlA7ZsBGGpebVIYLHA3Kxi:o1KhxqwtdgI2MyzNORQtOflIwoHNV2Xn
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 2023-08-27_81d8e13570ce23a929bc87a528f2b255_cryptolocker_JC.exe
Files
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2023-08-27_81d8e13570ce23a929bc87a528f2b255_cryptolocker_JC.exe.exe windows:5 windows x86
db206e36db5c9492ce02c61a679129e2
Headers
File Characteristics
IMAGE_FILE_RELOCS_STRIPPED
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
user32
BeginPaint
DispatchMessageA
DrawTextA
EndPaint
TranslateMessage
GetMessageA
PostQuitMessage
ShowWindow
UpdateWindow
MoveWindow
CreateWindowExA
RegisterClassExA
DefWindowProcA
MessageBoxA
SendMessageA
LoadIconA
DestroyWindow
LoadCursorA
GetClientRect
GetWindowRect
kernel32
GetLastError
lstrcpyA
GetModuleHandleA
GetCommandLineA
DeleteFileA
CloseHandle
CreateFileA
gdi32
DeleteObject
CreateFontIndirectA
Sections
.text Size: 9KB - Virtual size: 8KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 3KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 512B - 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