Behavioral task
behavioral1
Sample
Income_Tax_Receipt.exe
Resource
win7-20220901-en
General
-
Target
Income_Tax_Receipt.zip
-
Size
488KB
-
MD5
6fd414d974b96063ba79b7db323beb7b
-
SHA1
a2939c89acb646a68389464f7abe8a50fc85929a
-
SHA256
b47dc07388cf0646f0cc080abaebd9e357b188f2f4b8d6de0c7a3e67b989a718
-
SHA512
4629731160b8415eab20f3315584866550b026b0b30a8cd8bc93d104e5ef06e8ca1c98f6a17f429c8ded7d60d53e54e5a85403843d490b639bbfcd0582af11a8
-
SSDEEP
12288:nzYHnreANRXD10DSAhO746A9jmd/uhSDyM408CknhFYR4:kZD10Dhfmd/UBM408CknLH
Malware Config
Extracted
kutaki
http://newloshree.xyz/work/son.php
Signatures
-
Kutaki Executable 1 IoCs
resource yara_rule static1/unpack001/Income_Tax_Receipt.exe family_kutaki -
Kutaki family
Files
-
Income_Tax_Receipt.zip.zip
-
Income_Tax_Receipt.exe.exe windows x86
f38744fbb9b3a05749b08f3b898505d3
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
__vbaVarSub
__vbaVarTstGt
ord690
__vbaStrI2
_CIcos
_adj_fptan
__vbaStrI4
__vbaHresultCheck
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLateIdCall
__vbaLenBstr
__vbaStrVarMove
ord696
__vbaPut3
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
ord698
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
ord519
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaAryVar
ord667
__vbaAryDestruct
ord591
__vbaVarIndexLoadRefLock
__vbaVarForInit
ord593
ord594
__vbaOnError
ord595
__vbaObjSet
ord596
_adj_fdiv_m16i
ord303
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
__vbaForEachCollVar
ord520
ord309
__vbaFpR8
__vbaBoolVarNull
__vbaRefVarAry
_CIsin
ord631
__vbaErase
__vbaVarCmpGt
__vbaVargVarMove
ord525
ord632
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaGet3
ord529
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaNextEachCollVar
ord561
__vbaObjVar
__vbaI2I4
DllFunctionCall
ord563
ord670
__vbaVarOr
ord564
__vbaLbound
__vbaStrR4
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
__vbaR8Cy
__vbaRedim
__vbaStrR8
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaObjIs
__vbaVarAnd
__vbaLateIdCallSt
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
__vbaPrintFile
ord712
__vbaStrToUnicode
ord314
ord713
_adj_fprem
_adj_fdivr_m64
ord315
ord714
ord607
ord316
ord608
__vbaFPException
__vbaInStrVar
ord717
__vbaStrVarVal
__vbaUbound
__vbaVarCat
__vbaI2Var
ord644
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord570
ord648
__vbaR8Str
__vbaVarLateMemCallLdRf
__vbaVar2Vec
__vbaInStr
__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
ord689
__vbaFpCy
__vbaAryLock
__vbaVarAdd
__vbaStrComp
__vbaStrToAnsi
__vbaFreeVarg
__vbaVarDup
__vbaFpI4
__vbaVarLateMemCallLd
ord616
__vbaLateMemCallLd
ord617
_CIatan
__vbaCastObj
__vbaAryCopy
ord618
__vbaStrMove
__vbaForEachVar
ord619
__vbaR8IntI4
__vbaStrVarCopy
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
__vbaAryUnlock
__vbaUI1Var
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 384KB - Virtual size: 383KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 17KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 264KB - Virtual size: 262KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ