Behavioral task
behavioral1
Sample
InstallUtil.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
InstallUtil.exe
Resource
win10-20220812-en
Behavioral task
behavioral3
Sample
InstallUtil.exe
Resource
win10v2004-20220812-en
General
-
Target
InstallUtil.exe
-
Size
596KB
-
MD5
112f944b3c6f80dd99efd3d3da60d16a
-
SHA1
72d7b61060fc7d67c7bd6b5546bc40bf573b8dc7
-
SHA256
b2f57cb17dbb818945da02b099575625b904c4732f54ffd91560b95f72d95160
-
SHA512
ae0f6139d0eb445e1854cbb533a734e229c9ed5cec57434d8fbd526930b85fa732930bc9164ca3f336625f5fdb32f44d93a822dffc688acce8a92ae8825c5c7a
-
SSDEEP
12288:71L9TYP+Hx3rwJ5GUwnjXfS8qI7yMS6N:ZpTY2rwJ0U4jXf6I7Dz
Malware Config
Signatures
-
Blustealer family
Files
-
InstallUtil.exe.exe windows x86
5581abaffc821039aad93b05f29b0c27
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
msvbvm60
__vbaVarSub
__vbaVarTstGt
__vbaStrI2
_CIcos
_adj_fptan
__vbaStrI4
__vbaHresultCheck
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaCyMul
__vbaFreeVar
__vbaStrVarMove
__vbaLenBstr
ord696
ord697
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
ord698
__vbaFpCDblR8
__vbaVarIndexStore
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
__vbaVarCmpNe
__vbaForEachCollAd
__vbaStrCat
ord660
__vbaRecDestruct
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
ord556
__vbaLenVar
_adj_fdiv_m32
ord666
ord667
__vbaVarXor
__vbaAryDestruct
ord591
__vbaVarIndexLoadRefLock
__vbaLateMemSt
__vbaForEachCollObj
ord593
__vbaExitProc
ord594
ord595
__vbaOnError
__vbaObjSet
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaVarIndexLoad
ord520
__vbaBoolVar
ord521
__vbaVargVar
__vbaFpR8
__vbaBoolVarNull
__vbaVarTstLt
ord523
__vbaRefVarAry
ord708
_CIsin
ord631
__vbaErase
ord709
__vbaNextEachCollObj
__vbaVargVarMove
ord525
__vbaVarZero
ord632
__vbaVarCmpGt
__vbaChkstk
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaExitEachColl
__vbaStrCmp
ord529
__vbaPutOwner3
__vbaAryConstruct2
__vbaVarTstEq
ord560
__vbaDateR8
__vbaObjVar
__vbaI2I4
DllFunctionCall
ord563
__vbaVarOr
__vbaVarLateMemSt
ord564
__vbaFpUI1
__vbaRedimPreserve
__vbaLbound
_adj_fpatan
__vbaR8Cy
__vbaRedim
EVENT_SINK_Release
__vbaNew
__vbaUI1I2
ord601
_CIsqrt
__vbaVarAnd
__vbaObjIs
EVENT_SINK_QueryInterface
ord710
__vbaStr2Vec
__vbaStrUI1
__vbaVarMul
__vbaUI1I4
__vbaExceptHandler
ord711
__vbaStrToUnicode
__vbaPrintFile
ord712
ord606
_adj_fprem
_adj_fdivr_m64
ord607
__vbaVarDiv
ord608
ord715
ord531
ord716
__vbaFPException
ord532
ord717
__vbaInStrVar
__vbaGetOwner3
__vbaStrVarVal
__vbaUbound
__vbaVarCat
__vbaDateVar
__vbaI2Var
ord537
ord644
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord570
__vbaInStr
ord648
__vbaVar2Vec
__vbaNew2
__vbaVarLateMemCallLdRf
__vbaVarInt
_adj_fdiv_m32i
ord572
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
ord681
__vbaVarNot
__vbaVarCmpLt
__vbaFreeStrList
__vbaDerefAry1
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
ord579
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
__vbaVarCmpEq
__vbaAryLock
__vbaVarAdd
__vbaLateMemCall
__vbaStrToAnsi
__vbaVarDup
__vbaFpI2
__vbaFpI4
ord616
__vbaVarLateMemCallLd
__vbaVarCopy
ord617
__vbaVarSetObjAddref
__vbaLateMemCallLd
_CIatan
ord618
__vbaAryCopy
__vbaCastObj
__vbaStrMove
__vbaR8IntI4
__vbaStrVarCopy
ord619
__vbaForEachVar
_allmul
__vbaVarLateMemCallSt
_CItan
__vbaNextEachCollAd
__vbaUI1Var
__vbaAryUnlock
_CIexp
__vbaMidStmtBstr
ord580
__vbaI4ErrVar
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 584KB - Virtual size: 580KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 3KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 2KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ