Behavioral task
behavioral1
Sample
INCOMETAXRECEIPT.exe
Resource
win7-20220812-en
General
-
Target
INCOMETAXRECEIPT.zip
-
Size
377KB
-
MD5
ffa94a4de6d68ccb174ecf21384c9c82
-
SHA1
ba5e2d7218d82a79ae5bd32769c2ce636face5fc
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SHA256
b0688856d6ee53fd61f3984209f13a9c0f4b73623ca8bfabd7e3af219d0e106c
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SHA512
df3c7bd85670ac9fe6a160d705d40ec48a646fc3351063001401ad3612e46ba1d6912e228708a87b0df8149255490d13bff2af431f5e0e5ba803a672226fb013
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SSDEEP
6144:m69Jj4jMavrARev4Q1S4GNA9jmH5/VCSY3hwtlMbk8u1QMSKy+lqiHTonqryHREr:m69N4BvWn4cA9jmZ/uhINyMSK8CknZHs
Malware Config
Extracted
kutaki
http://newloshree.xyz/work/son.php
Signatures
-
Kutaki Executable 1 IoCs
resource yara_rule static1/unpack001/INCOMETAXRECEIPT.exe family_kutaki -
Kutaki family
Files
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INCOMETAXRECEIPT.zip.zip
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INCOMETAXRECEIPT.exe.exe windows x86
de399ea90e32c02791b223bec10000ff
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
__vbaStrI2
ord690
_CIcos
_adj_fptan
__vbaHresultCheck
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLateIdCall
ord588
__vbaLenBstr
__vbaStrVarMove
ord696
__vbaPut3
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
ord698
__vbaNextEachVar
__vbaRaiseEvent
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
ord517
_adj_fprem1
ord518
__vbaRecAnsiToUni
ord626
ord519
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
__vbaLsetFixstr
ord660
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaAryVar
ord667
__vbaAryDestruct
ord591
__vbaVarIndexLoadRefLock
__vbaVarForInit
ord593
__vbaExitProc
ord594
__vbaOnError
ord595
__vbaObjSet
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
ord599
ord520
__vbaForEachCollVar
__vbaBoolVar
__vbaFpR8
__vbaRefVarAry
__vbaBoolVarNull
_CIsin
ord631
__vbaErase
__vbaVarCmpGt
__vbaVargVarMove
ord525
ord632
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaGet3
ord529
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
ord561
__vbaNextEachCollVar
__vbaVarLikeVar
__vbaObjVar
__vbaI2I4
DllFunctionCall
ord563
__vbaVarOr
ord670
__vbaVarLateMemSt
ord564
__vbaFpUI1
__vbaCastObjVar
__vbaLbound
__vbaRedimPreserve
_adj_fpatan
__vbaFixstrConstruct
__vbaLateIdCallLd
__vbaR8Cy
__vbaStrR8
__vbaRedim
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaVarAnd
__vbaObjIs
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
__vbaPrintFile
ord712
__vbaStrToUnicode
ord713
_adj_fprem
_adj_fdivr_m64
ord714
ord607
ord608
__vbaFPException
__vbaInStrVar
ord717
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaLsetFixstrFree
__vbaI2Var
ord537
ord644
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
ord570
ord648
__vbaR8Str
__vbaVar2Vec
__vbaVarLateMemCallLdRf
__vbaInStr
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
__vbaI4Str
ord681
__vbaVarCmpLt
__vbaVarNot
__vbaFreeStrList
ord576
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
ord689
__vbaFpCy
ord610
__vbaLateMemCall
__vbaVarAdd
__vbaAryLock
__vbaStrComp
__vbaFreeVarg
__vbaStrToAnsi
ord612
__vbaVarDup
__vbaFpI2
__vbaCheckTypeVar
ord616
__vbaVarLateMemCallLd
__vbaFpI4
ord617
__vbaLateMemCallLd
_CIatan
__vbaAryCopy
ord618
__vbaCastObj
__vbaStrMove
__vbaForEachVar
ord619
__vbaR8IntI4
__vbaStrVarCopy
_allmul
__vbaVarLateMemCallSt
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
__vbaUI1Var
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 380KB - Virtual size: 376KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 23KB
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