Static task
static1
Behavioral task
behavioral1
Sample
YiCaiSetup.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
YiCaiSetup.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
新云软件.url
Resource
win7-20240221-en
Behavioral task
behavioral4
Sample
新云软件.url
Resource
win10v2004-20240412-en
General
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Target
f9ded8e1b9993c493db4b6fa0b9d3ad4_JaffaCakes118
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Size
6.3MB
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MD5
f9ded8e1b9993c493db4b6fa0b9d3ad4
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SHA1
cbc5dd352db298ef900ff3f581b44d6194b6259d
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SHA256
7d4af0b2c6ed41c69548028b61202b92bf4cd13c1cc6227be229d9df0a271b50
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SHA512
feac6826f253dd673f5b980f21c8b766eeced6fccb1c7f56d8aaa1af078f3676e63df13969d31dca6c1d4694d57c0d5e32c8575df87cd63007ac1e39fb0c05d8
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SSDEEP
196608:X7BmU1kbiT3eOBXE9ePUWiJ/sXF4FD7ORc:dzPBXEwBW/c40c
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/YiCaiSetup.exe
Files
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f9ded8e1b9993c493db4b6fa0b9d3ad4_JaffaCakes118.rar
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YiCaiSetup.exe.exe windows:4 windows x86 arch:x86
a24e57cfb1e35030a9b4252bf1fa8b4b
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
lstrcmpiA
lstrcpyA
lstrlenA
_lclose
RemoveDirectoryA
DeleteFileA
GetModuleFileNameA
_lread
_llseek
_lopen
GetDiskFreeSpaceA
SetCurrentDirectoryA
CreateDirectoryA
GetFileAttributesA
lstrcatA
GetTempPathA
GetCurrentDirectoryA
_lwrite
_lcreat
CloseHandle
GetExitCodeProcess
CreateProcessA
ExitProcess
TerminateProcess
GetCurrentProcess
HeapFree
HeapAlloc
GetModuleHandleA
GetStartupInfoA
GetCommandLineA
GetVersion
InitializeCriticalSection
EnterCriticalSection
LeaveCriticalSection
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
VirtualFree
VirtualAlloc
HeapReAlloc
RtlUnwind
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetStdHandle
GetFileType
GetCurrentThreadId
TlsSetValue
TlsAlloc
SetLastError
TlsGetValue
GetLastError
WriteFile
GetCPInfo
GetACP
GetOEMCP
GetProcAddress
LoadLibraryA
InterlockedDecrement
InterlockedIncrement
MultiByteToWideChar
LCMapStringA
LCMapStringW
GetStringTypeA
GetStringTypeW
user32
TranslateMessage
DispatchMessageA
PeekMessageA
MsgWaitForMultipleObjects
wsprintfA
LoadCursorA
SetCursor
MessageBoxA
Sections
.text Size: 20KB - Virtual size: 18KB
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: 12KB - Virtual size: 12KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 28KB - Virtual size: 26KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
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新云软件.url.url