Behavioral task
behavioral1
Sample
INCOMETAX_RECEIPT.exe
Resource
win7-20220812-en
Behavioral task
behavioral2
Sample
INCOMETAX_RECEIPT.exe
Resource
win10v2004-20220901-en
General
-
Target
INCOMETAX_RECEIPT.exe
-
Size
1.0MB
-
MD5
3983e3e2ea37719a50665ac70316a53d
-
SHA1
029aaed996072a601fae913597f20c976bc2a452
-
SHA256
86fc1f2dabb60a5c5a30d63d8508240074809554e0630f1d6bed457e3f02e80a
-
SHA512
afc55b36136dc5028991adc08d82837476d2d3e5f1976b740445d874ba5bf51fb425e7ff85035e5268d2d270b48d109586086ab202174881d430ffa8a20bc113
-
SSDEEP
24576:XvPS/SnugUM+4Zt5l1fmP/UDMS08Ckn31E:XvPEwug1jfmP/SA8NlE
Malware Config
Extracted
kutaki
http://newloshree.xyz/work/son.php
Signatures
-
Kutaki Executable 1 IoCs
resource yara_rule sample family_kutaki -
Kutaki family
Files
-
INCOMETAX_RECEIPT.exe.exe windows x86
d05f235ab4361da42178be81d9f5db86
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
EVENT_SINK_GetIDsOfNames
__vbaVarSub
__vbaVarTstGt
ord690
__vbaStrI2
_CIcos
_adj_fptan
__vbaHresultCheck
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
ord696
__vbaPut3
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
ord698
EVENT_SINK_Invoke
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
ord519
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
ord660
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaAryVar
ord667
Zombie_GetTypeInfo
__vbaAryDestruct
__vbaLateMemSt
ord591
__vbaVarIndexLoadRefLock
__vbaVarForInit
ord593
__vbaExitProc
ord300
ord594
__vbaOnError
ord595
__vbaObjSet
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
ord306
__vbaForEachCollVar
__vbaBoolVar
ord520
__vbaFpR8
__vbaBoolVarNull
__vbaRefVarAry
_CIsin
ord631
__vbaErase
__vbaVarCmpGt
__vbaVargVarMove
ord525
ord632
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaGet3
ord529
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
ord560
__vbaPutOwner4
__vbaNextEachCollVar
ord561
__vbaI2I4
__vbaObjVar
DllFunctionCall
ord563
__vbaVarOr
ord670
__vbaVarLateMemSt
ord564
__vbaCastObjVar
__vbaLbound
_adj_fpatan
__vbaLateIdCallLd
Zombie_GetTypeInfoCount
__vbaR8Cy
__vbaRedim
__vbaStrR8
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaLateIdCallSt
__vbaObjIs
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
__vbaPrintFile
ord712
__vbaStrToUnicode
ord606
ord713
__vbaDateStr
_adj_fprem
_adj_fdivr_m64
ord714
ord607
__vbaLateIdStAd
ord608
__vbaFPException
__vbaInStrVar
ord717
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
ord644
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord570
ord648
__vbaVar2Vec
__vbaInStr
__vbaR8Str
__vbaVarLateMemCallLdRf
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
__vbaI4Str
ord681
__vbaVarCmpLt
__vbaFreeStrList
ord576
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
__vbaVarCmpEq
ord689
__vbaFpCy
ord610
__vbaAryLock
__vbaVarAdd
__vbaLateMemCall
__vbaStrToAnsi
__vbaStrComp
__vbaVarDup
ord612
__vbaVerifyVarObj
__vbaFpI4
ord616
__vbaVarCopy
__vbaVarLateMemCallLd
__vbaLateMemCallLd
ord617
_CIatan
__vbaAryCopy
ord618
__vbaCastObj
__vbaStrMove
__vbaForEachVar
ord619
__vbaR8IntI4
__vbaStrVarCopy
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
ord546
__vbaAryUnlock
__vbaUI1Var
__vbaVarForNext
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 764KB - Virtual size: 760KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 76KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 264KB - Virtual size: 260KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ