General
-
Target
Tax Payment Confirmation.zip
-
Size
344KB
-
MD5
234218b4e867cb6ec7729f8d3865d667
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SHA1
1ebd6bdba75e2c99232d512f5d168d42b3e65bb8
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SHA256
0d99a84eea44c64bf621dedb7acf1b7bf97559343e2dbd50eea0ec40d5615101
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SHA512
ef563a0375b568dfb4ed725ebe9aa28c927e143191a1056fbc6fd3ffe1a49df50939a1b6403f5eadd3fc52e405ae63a83b3b67867eaa841e87434ef77c6a9150
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SSDEEP
6144:sOuXDO5wwhExLef144GVA9jqHp/VCS43hwblMDkmuRQMS6y+lqixTonkrO9oAKK:sOuqWwhEP4oA9jqJ/yhWhmMS68WknByE
Malware Config
Extracted
kutaki
http://linkwotowoto.club/new/two.php
Signatures
-
Kutaki Executable 1 IoCs
resource yara_rule static1/unpack001/Tax Payment Confirmation.exe family_kutaki -
Kutaki family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Tax Payment Confirmation.exe
Files
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Tax Payment Confirmation.zip.zip
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Tax Payment Confirmation.exe.exe windows x86
a26f84f44c573fff0e4f953d3954d977
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
__vbaStrVarMove
__vbaLenBstr
ord696
__vbaPut3
__vbaFreeVarList
__vbaEnd
_adj_fdiv_m64
ord698
__vbaPut4
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
ord519
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
ord553
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaAryVar
ord667
__vbaAryDestruct
ord591
__vbaVarIndexLoadRefLock
ord593
__vbaVarForInit
__vbaExitProc
ord594
__vbaFileCloseAll
__vbaObjSet
ord595
__vbaOnError
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
__vbaForEachCollVar
ord520
__vbaFpR8
__vbaBoolVarNull
__vbaRefVarAry
_CIsin
ord631
__vbaErase
__vbaVarCmpGt
__vbaVargVarMove
ord632
ord525
__vbaChkstk
__vbaFileClose
ord526
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaGet3
__vbaStrCmp
ord529
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaNextEachCollVar
ord561
__vbaObjVar
__vbaI2I4
DllFunctionCall
ord563
__vbaVarOr
ord670
ord564
__vbaLbound
_adj_fpatan
__vbaLateIdCallLd
__vbaR8Cy
__vbaRedim
__vbaStrR8
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaObjIs
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaUI1I4
__vbaStr2Vec
__vbaExceptHandler
ord711
ord712
__vbaPrintFile
__vbaStrToUnicode
ord713
_adj_fprem
_adj_fdivr_m64
ord714
ord607
ord608
__vbaFPException
__vbaInStrVar
ord717
__vbaUbound
__vbaStrVarVal
__vbaVarCat
ord535
__vbaI2Var
ord644
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaR8Str
__vbaVarLateMemCallLdRf
__vbaVar2Vec
__vbaInStr
__vbaNew2
ord648
ord570
_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
ord610
__vbaAryLock
__vbaVarAdd
__vbaStrComp
ord612
__vbaStrToAnsi
__vbaVarDup
__vbaFpI4
__vbaVarLateMemCallLd
ord616
__vbaLateMemCallLd
ord617
_CIatan
__vbaCastObj
__vbaAryCopy
ord618
__vbaStrMove
__vbaForEachVar
ord619
__vbaR8IntI4
__vbaStrVarCopy
ord542
_allmul
ord545
_CItan
__vbaNextEachCollAd
__vbaAryUnlock
__vbaUI1Var
__vbaVarForNext
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 268KB - Virtual size: 267KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 19KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 268KB - Virtual size: 267KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ