Static task
static1
Behavioral task
behavioral1
Sample
BKRMV.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
BKRMV.exe
Resource
win10v2004-20230703-en
General
-
Target
BKRMV.exe
-
Size
580KB
-
MD5
9ffacce6c0c2db1e274b539d23ed399e
-
SHA1
bdb2d1e22eae86f89c60ff24394c5ba0f5a59644
-
SHA256
d4bfa31decc82056d02beba772eabe01a58ed7f8db5bbb0478761fa8e8686851
-
SHA512
e058edefb357aea10d01defec0ff45b1b98f8ad0f757749cc6c5d0d9565f964b40067ec51d5e6062226403a4a20b8eee6359a72f27d26bc66c659b248f951f09
-
SSDEEP
12288:eEsHiP/J1BflyvvYBnAXwfzYrQ846mcin6wht4Gl+:eriP/f/MqUazpN6mciHht4Gl
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource BKRMV.exe
Files
-
BKRMV.exe.exe windows x86
e4423397f3f28036e2129650184bc860
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
ord691
_CIcos
_adj_fptan
__vbaStrI4
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
ord589
__vbaEnd
__vbaPut3
__vbaFreeVarList
_adj_fdiv_m64
__vbaVarIndexStore
ord513
__vbaLineInputVar
__vbaFreeObjList
ord516
__vbaStrErrVarCopy
_adj_fprem1
__vbaResume
__vbaVarCmpNe
ord629
__vbaStrCat
ord552
__vbaLsetFixstr
ord660
ord553
ord661
__vbaRecDestruct
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
ord663
ord556
ord557
__vbaVargVarCopy
__vbaLenVar
_adj_fdiv_m32
__vbaAryVar
ord666
__vbaVarTstLe
__vbaAryDestruct
__vbaVarIndexLoadRefLock
__vbaLateMemSt
ord592
__vbaVarPow
__vbaForEachCollObj
ord593
__vbaExitProc
__vbaVarForInit
ord594
ord595
__vbaOnError
__vbaObjSet
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord304
__vbaVarIndexLoad
ord598
ord599
__vbaBoolVar
ord520
__vbaStrFixstr
__vbaFpR8
__vbaVargVar
__vbaBoolVarNull
__vbaVarTstLt
__vbaRefVarAry
_CIsin
ord631
ord524
__vbaVarCmpGt
__vbaNextEachCollObj
ord632
__vbaVargVarMove
__vbaChkstk
__vbaFileClose
ord526
EVENT_SINK_AddRef
__vbaGenerateBoundsError
ord528
__vbaStrCmp
ord529
__vbaGet3
__vbaAryConstruct2
__vbaPutOwner3
__vbaVarTstEq
ord560
__vbaObjVar
ord561
__vbaI2I4
DllFunctionCall
__vbaVarLateMemSt
__vbaVarOr
ord563
__vbaFpUI1
__vbaCastObjVar
__vbaRedimPreserve
__vbaLbound
_adj_fpatan
__vbaR4Var
ord567
__vbaFixstrConstruct
__vbaLateIdCallLd
__vbaRedim
EVENT_SINK_Release
__vbaNew
ord600
__vbaUI1I2
_CIsqrt
ord310
__vbaVarAnd
__vbaObjIs
__vbaLateIdCallSt
EVENT_SINK_QueryInterface
__vbaVarMul
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord312
ord711
__vbaStrToUnicode
ord712
__vbaPrintFile
_adj_fprem
_adj_fdivr_m64
__vbaVarDiv
ord607
ord608
ord530
ord716
ord531
__vbaFPException
ord717
__vbaInStrVar
__vbaUbound
__vbaStrVarVal
ord534
__vbaVarCat
__vbaCheckType
ord536
__vbaLsetFixstrFree
__vbaI2Var
__vbaFileSeek
ord537
ord645
ord538
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord648
__vbaInStr
ord570
__vbaVar2Vec
__vbaNew2
__vbaVarInt
ord571
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
__vbaVarCmpLt
__vbaVarNot
__vbaFreeStrList
ord576
_adj_fdivr_m32
__vbaPowerR8
ord577
__vbaR8Var
_adj_fdiv_r
ord578
ord685
ord100
ord579
__vbaVarTstNe
ord687
__vbaI4Var
__vbaVarCmpEq
ord689
ord610
__vbaLateMemCall
__vbaAryLock
__vbaVarAdd
__vbaStrToAnsi
__vbaVarDup
__vbaFreeVarg
__vbaFpI2
__vbaVarMod
__vbaFpI4
ord616
__vbaVarTstGe
__vbaVarCopy
__vbaLateMemCallLd
ord617
_CIatan
__vbaAryCopy
ord618
__vbaCastObj
__vbaStrMove
ord619
__vbaR8IntI4
__vbaStrVarCopy
ord542
ord650
_allmul
ord651
__vbaLateIdSt
ord545
_CItan
ord546
__vbaFPInt
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaMidStmtBstr
__vbaI4ErrVar
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 568KB - Virtual size: 567KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 20KB
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