Static task
static1
Behavioral task
behavioral1
Sample
a3cf9309c8001d8e3b6441b402a081b9_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
a3cf9309c8001d8e3b6441b402a081b9_JC.exe
Resource
win10v2004-20230915-en
General
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Target
a3cf9309c8001d8e3b6441b402a081b9_JC.exe
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Size
426KB
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MD5
a3cf9309c8001d8e3b6441b402a081b9
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SHA1
fb4b057f280cba7b0f730527f89157a8b19291f7
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SHA256
eee81ef502aa32633278ba040b4987caf3d5c5c1eca09012b0be79c8aeedd053
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SHA512
18050ebf16a3fb9b83cf14b2a6e15a294e494bad4e6a18906e159b5344821495a8e00ab4d7efb03450b10d44d0f311e5fe7b580b402aa090c605c4bcdbb5793a
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SSDEEP
3072:kChJgYMm4xf9cU9KQ2BxA59SPM2OoSn240YK0FN8lpSUyKncAxi2u:MYMm4xiWKQ2BiCMtZK03kNcATu
Malware Config
Signatures
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource a3cf9309c8001d8e3b6441b402a081b9_JC.exe
Files
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a3cf9309c8001d8e3b6441b402a081b9_JC.exe.exe windows:4 windows x86
43df92b7b77db2760430968647afb835
Headers
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_LINE_NUMS_STRIPPED
IMAGE_FILE_LOCAL_SYMS_STRIPPED
IMAGE_FILE_32BIT_MACHINE
Imports
kernel32
GetLastError
GetSystemTime
MultiByteToWideChar
GetLocaleInfoA
GetModuleHandleA
FindNextFileA
FindFirstFileA
FlushFileBuffers
SetStdHandle
FindClose
Sleep
SetFilePointer
LCMapStringW
LCMapStringA
GetStringTypeW
ExitProcess
TerminateProcess
GetCurrentProcess
GetStartupInfoA
GetCommandLineA
GetVersion
DebugBreak
GetStdHandle
WriteFile
InterlockedDecrement
OutputDebugStringA
GetProcAddress
LoadLibraryA
InterlockedIncrement
GetModuleFileNameA
IsBadWritePtr
IsBadReadPtr
HeapValidate
UnhandledExceptionFilter
FreeEnvironmentStringsA
FreeEnvironmentStringsW
WideCharToMultiByte
GetEnvironmentStrings
GetEnvironmentStringsW
SetHandleCount
GetFileType
GetEnvironmentVariableA
GetVersionExA
HeapDestroy
HeapCreate
HeapFree
VirtualFree
RtlUnwind
SetConsoleCtrlHandler
HeapAlloc
HeapReAlloc
VirtualAlloc
GetCPInfo
GetACP
GetOEMCP
GetStringTypeA
CloseHandle
user32
MessageBoxA
advapi32
GetUserNameW
ole32
CoUninitialize
CoCreateInstance
CoInitialize
Sections
.text Size: 152KB - Virtual size: 152KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rdata Size: 8KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.data Size: 16KB - Virtual size: 85KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 16KB - Virtual size: 13KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 220KB - Virtual size: 220KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE