Static task
static1
Behavioral task
behavioral1
Sample
Viewer1_sv.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
Viewer1_sv.exe
Resource
win10v2004-20230703-en
General
-
Target
Viewer1_sv.exe
-
Size
544KB
-
MD5
ebff9c32b8bcb203c5f6d935fe6b22d2
-
SHA1
56aaa2193cf30f1c8940ba426a57f4d805031b5f
-
SHA256
020d0a60a77d5f90dcaca0e88a259506ef036beb56885574601af8d9162411f1
-
SHA512
d36293a963f00dc95d8c8f5f9617e5505c103f3aef722628d79836f60e44c992611996bc5d43ed1783948553c9ee9a909be63ad0faa4d0d753c312b1668bbe47
-
SSDEEP
12288:2440l0lXia/1VFdOa41yqrVilDnyzmJz083GX:244oycIlDyzKE
Malware Config
Signatures
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Viewer1_sv.exe
Files
-
Viewer1_sv.exe.exe windows x86
07d69203cc41ab2b25a93bdeedb80976
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
__vbaStrI2
_CIcos
_adj_fptan
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaFreeVar
__vbaStrVarMove
__vbaLateIdCall
__vbaLenBstr
__vbaPut3
__vbaFreeVarList
_adj_fdiv_m64
__vbaNextEachVar
__vbaRaiseEvent
__vbaFreeObjList
ord516
__vbaStrErrVarCopy
_adj_fprem1
__vbaRecAnsiToUni
__vbaVarTextCmpGt
ord626
__vbaI2Abs
__vbaResume
__vbaCopyBytes
__vbaStrCat
__vbaForEachCollAd
ord552
ord660
__vbaWriteFile
__vbaLsetFixstr
__vbaRecDestruct
__vbaSetSystemError
ord661
__vbaHresultCheckObj
__vbaNameFile
ord662
ord556
ord663
ord557
__vbaLenVar
_adj_fdiv_m32
__vbaVarCmpGe
__vbaAryDestruct
ord592
ord593
__vbaExitProc
__vbaForEachCollObj
__vbaBoolStr
ord594
__vbaObjSet
__vbaOnError
ord595
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaFpR4
__vbaBoolVar
ord520
__vbaStrTextCmp
ord522
__vbaFpR8
__vbaBoolVarNull
__vbaVarTstLt
_CIsin
ord709
ord524
ord525
ord632
__vbaNextEachCollObj
__vbaChkstk
__vbaFileClose
ord526
EVENT_SINK_AddRef
__vbaVarAbs
ord528
__vbaGenerateBoundsError
ord529
__vbaStrCmp
__vbaVarTstEq
__vbaAryConstruct2
__vbaR4Str
ord560
__vbaDateR8
__vbaI2I4
ord561
ord562
DllFunctionCall
ord563
__vbaVarOr
ord670
__vbaCastObjVar
__vbaRedimPreserve
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
__vbaStrR8
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
ord600
_CIsqrt
__vbaObjIs
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaExceptHandler
__vbaStrToUnicode
__vbaPrintFile
ord712
__vbaInputFile
ord606
_adj_fprem
_adj_fdivr_m64
__vbaI2Str
__vbaLateIdStAd
ord607
ord608
ord531
__vbaVarCmpLe
__vbaFPException
__vbaInStrVar
ord717
__vbaStrVarVal
__vbaVarCat
__vbaDateVar
ord536
__vbaI2Var
__vbaFileSeek
ord537
ord645
ord538
_CIlog
__vbaErrorOverflow
ord539
__vbaFileOpen
ord570
__vbaInStr
__vbaNew2
ord648
__vbaR8Str
__vbaVarInt
ord571
_adj_fdiv_m32i
_adj_fdivr_m32i
ord573
__vbaStrCopy
__vbaI4Str
__vbaFreeStrList
_adj_fdivr_m32
__vbaR8Var
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
__vbaVarCmpEq
__vbaVarAdd
__vbaAryLock
__vbaStrToAnsi
__vbaVarDup
__vbaFreeVarg
__vbaVerifyVarObj
ord613
__vbaR4Sgn
__vbaFpI2
__vbaVarMod
__vbaVarLateMemCallLd
ord616
__vbaVarTstGe
__vbaVarCopy
__vbaFpI4
ord617
__vbaRecDestructAnsi
__vbaLateMemCallLd
__vbaR8IntI2
_CIatan
ord618
__vbaStrMove
__vbaCastObj
__vbaForEachVar
__vbaR8IntI4
__vbaMidStmtVar
__vbaStrVarCopy
ord543
ord650
_allmul
__vbaLateIdSt
ord544
ord545
_CItan
ord546
__vbaNextEachCollAd
ord547
__vbaFPInt
__vbaAryUnlock
_CIexp
__vbaMidStmtBstr
__vbaI4ErrVar
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 532KB - Virtual size: 531KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 6KB
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