Static task
static1
Behavioral task
behavioral1
Sample
BackgroundTransferHost.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
BackgroundTransferHost.exe
Resource
win10v2004-20230220-en
General
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Target
BackgroundTransferHost.exe
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Size
28KB
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MD5
a90286b5a66f3816e98b80474e2ca4ff
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SHA1
3cfecbbc5bc3f4ceea3bada96c0ab2f332db29df
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SHA256
24bd8d06f05d2d55be4c24e1f41dc28f619c7e18c0b4864ab891f0250e84a766
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SHA512
4bdf62eac0ab683fc6f3d8ee26d0c6cb06c9fd12af7894c89d896bb571413f9998d6af5346daaff506f736820a08cacfb560ac333c155f4b8594a41db40aa414
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SSDEEP
384:KhKbAPFMYOf39X56lm/mHspKOku0mKW0mAgWthkLU7+1IVsC2mb0:KhKm+3f/m80mIyLU0
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BackgroundTransferHost.exe
Files
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BackgroundTransferHost.exe.exe windows x86
9e0f71f1e82b9671ba121f354bebbcaa
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
??3@YAXPAX@Z
_controlfp
?terminate@@YAXXZ
__CxxFrameHandler3
??2@YAPAXI@Z
_wcmdln
_initterm
__setusermatherr
_XcptFilter
__p__fmode
_cexit
_exit
_purecall
_except_handler4_common
exit
__set_app_type
__wgetmainargs
_amsg_exit
__p__commode
memset
api-ms-win-core-winrt-string-l1-1-0
WindowsCompareStringOrdinal
WindowsCreateString
WindowsCreateStringReference
api-ms-win-core-winrt-l1-1-0
RoInitialize
RoUninitialize
RoGetActivationFactory
RoActivateInstance
api-ms-win-core-winrt-error-l1-1-1
RoOriginateError
api-ms-win-core-errorhandling-l1-1-1
RaiseException
SetUnhandledExceptionFilter
UnhandledExceptionFilter
api-ms-win-core-com-l1-1-1
CoCreateFreeThreadedMarshaler
CoTaskMemAlloc
api-ms-win-eventing-provider-l1-1-0
EventWrite
EventRegister
EventUnregister
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-processthreads-l1-1-2
GetCurrentProcessId
TerminateProcess
GetCurrentProcess
GetStartupInfoW
GetCurrentThreadId
api-ms-win-core-libraryloader-l1-2-0
GetModuleHandleA
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-2-1
GetSystemTimeAsFileTime
GetTickCount
Sections
.text Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 512B - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.idata Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.rsrc Size: 15KB - Virtual size: 15KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 2KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ