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
33KB
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MD5
26d9648f16f1379272ff20aaa888b5d6
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SHA1
57155800b595c6ae94f76954ec6ba2a9907d6e36
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SHA256
f393d6fbcbbe46cc63c7996d0f35763ba46e512cc18adc3ead71855c59bab946
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SHA512
ebce6fe916ea41eaec8654c33f712fd7f14762b66d7b894fe097b17bd9142d2288aa4d6353b69ca22abff94204be20c8d2ab92051d40f2f333634ad5e1c7897b
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SSDEEP
384:DPFoJH2c1GZPjYAv3EMyEXAL8xspKqveBXW0rgWwQE0g7qW2RPT/8rFeZmJhzc:DPFoJH2cUZb3zbQeBxo2a3c
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
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: 8KB - Virtual size: 8KB
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: 712B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ