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
34KB
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MD5
41eb798445630eefa3477d4cd440d4c7
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SHA1
a4a0cc2ad0716124a908c69d25d6b031c3a3468b
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SHA256
9eff7e19f6a4e5deacc6fbf3c4b247195a9bdbbe10e0f16ebac3c88207d24258
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SHA512
49c443c5351566a6d1f11df8f14635ad3a2fab7c745f98d40249afe765b175aaa88979bc9e2a5321c17a6cb39048ff90b873b9c74e11854148661a7306cdb2d4
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SSDEEP
384:BqMJ8NcTiKPQdVd2k3dvXspKMyezDW0IgWzQE0g7qW2RPT/8rFeZmJhYe:BxyNJKoVvNezKr2aM
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BackgroundTransferHost.exe
Files
-
BackgroundTransferHost.exe.exe windows x86
2c84391d64b2af34a9b9e60431b39091
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_GUARD_CF
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
msvcrt
_purecall
_controlfp
?terminate@@YAXXZ
__CxxFrameHandler3
_wcmdln
_initterm
__setusermatherr
__p__fmode
_cexit
_exit
exit
__set_app_type
__wgetmainargs
_except_handler4_common
_amsg_exit
__p__commode
_XcptFilter
free
_callnewh
malloc
memset
api-ms-win-core-winrt-string-l1-1-0
WindowsCompareStringOrdinal
WindowsCreateString
WindowsCreateStringReference
api-ms-win-core-winrt-l1-1-0
RoUninitialize
RoInitialize
RoActivateInstance
RoGetActivationFactory
api-ms-win-core-winrt-error-l1-1-0
RoOriginateError
api-ms-win-core-errorhandling-l1-1-0
UnhandledExceptionFilter
RaiseException
SetUnhandledExceptionFilter
api-ms-win-core-com-l1-1-0
CoTaskMemAlloc
CoCreateFreeThreadedMarshaler
api-ms-win-eventing-provider-l1-1-0
EventWriteTransfer
EventRegister
EventUnregister
api-ms-win-core-synch-l1-2-0
Sleep
api-ms-win-core-processthreads-l1-1-0
GetStartupInfoW
TerminateProcess
GetCurrentThreadId
GetCurrentProcessId
GetCurrentProcess
api-ms-win-core-libraryloader-l1-2-0
GetModuleHandleW
api-ms-win-core-profile-l1-1-0
QueryPerformanceCounter
api-ms-win-core-sysinfo-l1-1-0
GetSystemTimeAsFileTime
GetTickCount
Sections
.text Size: 9KB - Virtual size: 9KB
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: 20KB - Virtual size: 20KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 1024B - Virtual size: 688B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ