Behavioral task
behavioral1
Sample
3.exe
Resource
win7-20221111-en
General
-
Target
3.exe
-
Size
541KB
-
MD5
86f76a5b4137c86d3eed43cfac187f7e
-
SHA1
a7a8e3c6cd76b6c4a05f6747c75cdd4587c09725
-
SHA256
9b3c2853944f7dc6985774f53efcdf30b357f3dce5abd8d6b0f924b033d25911
-
SHA512
9d36390d5b016ed9a27678dc170c6ab95fe5fa0a4b91ac9abd89b99593fa7259efd6f6a5f86943c1b0bb00357e2404688d3cd6df4490cfe592d2b2401c4c25f3
-
SSDEEP
12288:+2D18PzBRRHsj1SFKihy46A9jmP/uhu/yMS08CkntxYRRL:ypMj1SHfmP/UDMS08Ckn3I
Malware Config
Extracted
kutaki
http://newbosslink.xyz/baba/new4.php
Signatures
-
Kutaki Executable 1 IoCs
resource yara_rule sample family_kutaki -
Kutaki family
Files
-
3.exe.exe windows x86
9c732a96f874e2b20189fc0eb14c9c02
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
__vbaHresultCheck
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaStrVarMove
__vbaLenBstr
__vbaLateIdCall
ord696
__vbaPut3
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
ord698
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
__vbaRecAnsiToUni
ord519
ord626
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
__vbaLsetFixstr
__vbaRecDestruct
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaAryVar
ord667
__vbaAryDestruct
ord591
__vbaVarIndexLoadRefLock
__vbaVarForInit
ord593
__vbaExitProc
ord594
__vbaObjSet
ord595
__vbaOnError
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
__vbaForEachCollVar
ord520
__vbaStrFixstr
__vbaFpR8
__vbaRefVarAry
__vbaBoolVarNull
_CIsin
ord631
__vbaErase
__vbaVargVarMove
ord525
ord632
__vbaVarCmpGt
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaGet3
ord529
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaNextEachCollVar
ord561
__vbaObjVar
__vbaI2I4
DllFunctionCall
ord563
__vbaVarOr
ord670
__vbaVarLateMemSt
ord564
__vbaCastObjVar
__vbaLbound
_adj_fpatan
__vbaLateIdCallLd
__vbaR8Cy
__vbaStrR8
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaObjIs
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
__vbaPrintFile
__vbaStrToUnicode
ord712
ord713
ord606
_adj_fprem
_adj_fdivr_m64
ord714
ord607
ord608
__vbaFPException
ord717
__vbaInStrVar
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
ord644
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord570
ord648
__vbaR8Str
__vbaVarLateMemCallLdRf
__vbaVar2Vec
__vbaNew2
__vbaInStr
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
__vbaI4Str
ord681
__vbaVarCmpLt
__vbaFreeStrList
ord576
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
ord689
__vbaVarCmpEq
__vbaFpCy
__vbaAryLock
__vbaVarAdd
__vbaStrComp
__vbaVarDup
__vbaStrToAnsi
ord612
__vbaFpI4
__vbaVarCopy
__vbaVarLateMemCallLd
ord616
__vbaLateMemCallLd
__vbaRecDestructAnsi
ord617
_CIatan
__vbaAryCopy
ord618
__vbaCastObj
__vbaStrMove
__vbaR8IntI4
__vbaStrVarCopy
__vbaForEachVar
ord619
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
ord546
__vbaUI1Var
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 268KB - Virtual size: 265KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 16KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 264KB - Virtual size: 261KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ