Static task
static1
Behavioral task
behavioral1
Sample
CR/DrvStudy.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
CR/DrvStudy.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral3
Sample
DrvStudy78.exe
Resource
win7-20231215-en
Behavioral task
behavioral4
Sample
DrvStudy78.exe
Resource
win10v2004-20231215-en
Behavioral task
behavioral5
Sample
贝壳下载→更多精彩.url
Resource
win7-20231215-en
Behavioral task
behavioral6
Sample
贝壳下载→更多精彩.url
Resource
win10v2004-20231215-en
General
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Target
1b70cc12b85e66a04f4342459103ce7a
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Size
5.9MB
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MD5
1b70cc12b85e66a04f4342459103ce7a
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SHA1
4c991e95d608000976c14d05a1532d9a237f7c11
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SHA256
69b020af2ada4df7b91c80cc5940c7f3de97db2cbbf667fc5ab3672a57d1d47f
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SHA512
6d098d6cd3cc00f826a309df00cc3492dde7e0aaa5718497cd5fa3cae4b50a68b6c1fa3bcd8b2812164b742630bc977531c7597696847b27bb90d62c203cec86
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SSDEEP
98304:uXiNem34ApOFpjiI7E4hd+qWSLHVscXYYX8cInNW2RrBbAu6lIiwokf0kRUbxA4b:uXiNeuzGeCn+uLH+gY8INsiiAU/9
Malware Config
Signatures
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Unsigned PE 2 IoCs
Checks for missing Authenticode signature.
resource unpack001/CR/DrvStudy.exe unpack001/DrvStudy78.exe
Files
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1b70cc12b85e66a04f4342459103ce7a.rar
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CR/DrvStudy.exe.exe windows:4 windows x86 arch:x86
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_BYTES_REVERSED_LO
IMAGE_FILE_32BIT_MACHINE
IMAGE_FILE_BYTES_REVERSED_HI
Sections
�V0 Size: 3.0MB - Virtual size: 3.0MB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
�V1 Size: 927KB - Virtual size: 927KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.mackt Size: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
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CR/下载说明.htm.html .js polyglot
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DrvStudy78.exe.exe windows:4 windows x86 arch:x86
5a1a330f73d578890a2f489a43c8aa91
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
kernel32
_lwrite
_lcreat
_llseek
_lclose
_lopen
GetSystemDefaultLangID
DeleteFileA
GetStringTypeA
LCMapStringW
LCMapStringA
MultiByteToWideChar
LoadLibraryA
GetProcAddress
GetOEMCP
GetACP
GetCPInfo
_lread
RtlUnwind
GetFileType
GetStdHandle
SetHandleCount
GetEnvironmentStringsW
GetEnvironmentStrings
WideCharToMultiByte
FreeEnvironmentStringsW
FreeEnvironmentStringsA
UnhandledExceptionFilter
HeapReAlloc
VirtualAlloc
VirtualFree
HeapCreate
HeapDestroy
GetVersionExA
GetTempPathA
SetCurrentDirectoryA
lstrcpyA
CreateDirectoryA
GetDiskFreeSpaceA
lstrcatA
WritePrivateProfileStringA
CreateProcessA
CloseHandle
GetModuleFileNameA
lstrlenA
GetPrivateProfileStringA
lstrcmpA
WriteFile
HeapFree
HeapAlloc
ExitProcess
TerminateProcess
GetCurrentProcess
GetLastError
GetFileAttributesA
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersion
GetEnvironmentVariableA
GetStringTypeW
user32
SendMessageA
DefWindowProcA
MessageBoxA
wsprintfA
MsgWaitForMultipleObjects
PeekMessageA
BeginPaint
DrawTextA
EndPaint
DestroyWindow
PostQuitMessage
PostMessageA
GetMessageA
TranslateMessage
DispatchMessageA
GetDesktopWindow
GetWindowRect
CreateWindowExA
GetClientRect
ShowWindow
UpdateWindow
LoadStringA
LoadIconA
LoadCursorA
RegisterClassExA
RegisterClassA
gdi32
GetDeviceCaps
SelectObject
SetBkMode
CreateFontA
comctl32
ord17
Sections
.text Size: 20KB - Virtual size: 19KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rdata Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 40KB - Virtual size: 37KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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下载说明.htm.html .js polyglot
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使用说明.txt
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贝壳下载→更多精彩.url.url