Static task
static1
Behavioral task
behavioral1
Sample
BK35SQ.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
BK35SQ.exe
Resource
win10v2004-20230703-en
General
-
Target
BK35SQ.EXE
-
Size
4.2MB
-
MD5
d7e96eb7d01b613b6b9c3fdc5836ae1f
-
SHA1
925321089269040fe1d2a71bc69fc2f8775be094
-
SHA256
481bb8e308d6ed8183b61b344ce2cd99eaa1c9df0c09fad9f07db8de446770ac
-
SHA512
c14bb8987502db03f504473ddf3ebb9d991820672e14b0e78447fd96f90ae7eb04f809b13e58327bf0cc3d7069e5b6f7ecc3c8b43c4e6d7d85acda1784464271
-
SSDEEP
49152:DaUOggFSDdv4iOeXWX5dpJqxDnm6QoeKg2ykAXGHy6:DlXWKlykAXGH
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BK35SQ.EXE
Files
-
BK35SQ.EXE.exe windows x86
80a74d7332b93d863a944190771dcd1d
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
__vbaVarTstGt
__vbaVarSub
ord690
__vbaStrI2
_CIcos
_adj_fptan
__vbaStrI4
__vbaVarMove
ord693
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
ord589
__vbaPut3
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
__vbaVarIndexStore
ord513
__vbaLineInputVar
__vbaFreeObjList
ord516
__vbaStrErrVarCopy
_adj_fprem1
__vbaRecAnsiToUni
ord518
__vbaI2Abs
__vbaResume
ord629
__vbaVarCmpNe
__vbaStrCat
ord552
__vbaLsetFixstr
ord660
ord553
__vbaRecDestruct
__vbaSetSystemError
ord661
__vbaNameFile
__vbaLenBstrB
__vbaHresultCheckObj
ord663
ord556
ord557
__vbaVargVarCopy
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaVarTstLe
__vbaAryVar
__vbaVarCmpGe
__vbaAryDestruct
__vbaVarIndexLoadRefLock
__vbaLateMemSt
ord592
__vbaVarPow
__vbaForEachCollObj
ord593
__vbaExitProc
__vbaVarForInit
ord300
ord594
ord595
__vbaOnError
__vbaObjSet
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord304
__vbaVarIndexLoad
ord598
ord599
ord306
__vbaStrFixstr
ord520
__vbaBoolVar
ord521
__vbaVargVar
__vbaRefVarAry
__vbaVarTstLt
__vbaBoolVarNull
__vbaFpR8
_CIsin
__vbaErase
ord631
ord524
__vbaNextEachCollObj
__vbaVarCmpGt
ord632
__vbaVargVarMove
__vbaChkstk
__vbaFileClose
ord526
EVENT_SINK_AddRef
__vbaVarAbs
ord528
__vbaGenerateBoundsError
__vbaGet3
__vbaStrCmp
ord529
__vbaAryConstruct2
__vbaPutOwner3
__vbaVarTstEq
ord560
__vbaObjVar
ord561
__vbaI2I4
DllFunctionCall
__vbaVarLateMemSt
ord563
__vbaVarOr
__vbaFpUI1
__vbaCastObjVar
__vbaLbound
__vbaRedimPreserve
_adj_fpatan
ord567
__vbaR4Var
__vbaFixstrConstruct
__vbaLateIdCallLd
__vbaStrR8
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
ord600
__vbaUI1I2
_CIsqrt
ord310
__vbaVarAnd
__vbaObjIs
__vbaLateIdCallSt
EVENT_SINK_QueryInterface
__vbaStrUI1
__vbaStr2Vec
__vbaUI1I4
__vbaVarMul
__vbaExceptHandler
ord312
ord711
ord712
__vbaStrToUnicode
__vbaPrintFile
_adj_fprem
_adj_fdivr_m64
ord714
ord607
__vbaI2Str
__vbaVarDiv
__vbaLateIdStAd
ord530
ord608
ord716
__vbaVarCmpLe
ord531
__vbaFPException
__vbaStrCompVar
ord717
__vbaInStrVar
__vbaUbound
__vbaStrVarVal
ord534
__vbaVarCat
__vbaDateVar
__vbaCheckType
ord536
__vbaLsetFixstrFree
__vbaI2Var
ord644
__vbaFileSeek
ord537
ord645
ord538
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaR8Str
ord570
__vbaVar2Vec
ord648
__vbaInStr
__vbaNew2
ord571
__vbaVarInt
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
__vbaI4Str
__vbaVarNot
__vbaFreeStrList
__vbaVarCmpLt
ord576
_adj_fdivr_m32
__vbaPowerR8
__vbaR8Var
ord577
_adj_fdiv_r
ord578
ord685
ord100
ord579
__vbaVarTstNe
ord687
__vbaI4Var
__vbaVarCmpEq
ord689
ord610
__vbaLateMemCall
__vbaAryLock
__vbaVarAdd
__vbaStrToAnsi
__vbaVarDup
__vbaFreeVarg
__vbaVerifyVarObj
__vbaFpI2
__vbaVarMod
ord616
__vbaVarTstGe
__vbaFpI4
__vbaVarCopy
__vbaR8IntI2
__vbaRecDestructAnsi
__vbaLateMemCallLd
ord617
_CIatan
ord618
__vbaAryCopy
__vbaCastObj
__vbaStrMove
ord619
__vbaR8IntI4
__vbaStrVarCopy
ord542
ord650
_allmul
__vbaLenVarB
ord651
__vbaLateIdSt
ord545
_CItan
ord546
__vbaUI1Var
__vbaFPInt
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaMidStmtBstr
__vbaI4ErrVar
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 4.2MB - Virtual size: 4.2MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 52KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 4KB - Virtual size: 1KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ