Behavioral task
behavioral1
Sample
IncomeTax_Payment_Acknowledgement.exe
Resource
win7-20220812-en
General
-
Target
IncomeTax_Payment_Acknowledgement.zip
-
Size
1.1MB
-
MD5
0f6fb2c6d9938ac05cd057a34086de8c
-
SHA1
25704ad023514169806d38b440c3e5e9e7fdc24a
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SHA256
efe869dde8d4abbf6d697566cf13ff253a8fd3066cf81e536bad37f05a8ba788
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SHA512
fd4ce3e0ee215d46887fad726d9474fb9d8195d1edc4d4b3148a132cbc06cf41ec344417d414eb624e9e0c1ff9e17cb3b45d67e713287aad66759fb7cf4fa0c1
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SSDEEP
24576:Q3iAUK4BCApDNVxZ+4O9KCGxJoRhCRxQM1GbK2bKVmv/UhM208CknNb:QXUKyCap+b907REpmVmv/8W8NR
Malware Config
Extracted
kutaki
http://newloshree.xyz/work/son.php
Signatures
-
Kutaki Executable 1 IoCs
resource yara_rule static1/unpack001/IncomeTax_Payment_Acknowledgement.exe family_kutaki -
Kutaki family
Files
-
IncomeTax_Payment_Acknowledgement.zip.zip
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IncomeTax_Payment_Acknowledgement.exe.exe windows x86
07a28b3453808218de239fc017861c63
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
__vbaVarTstGt
__vbaVarSub
ord690
__vbaStrI2
_CIcos
_adj_fptan
__vbaHresultCheck
__vbaStrI4
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
ord696
__vbaPut3
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
ord698
EVENT_SINK_Invoke
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaStrErrVarCopy
__vbaVarIndexLoadRef
_adj_fprem1
__vbaRecAnsiToUni
ord518
ord519
ord626
__vbaVarCmpNe
__vbaForEachCollAd
__vbaStrCat
ord660
__vbaRecDestruct
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaAryVar
__vbaVarTstLe
ord667
Zombie_GetTypeInfo
__vbaAryDestruct
__vbaVarIndexLoadRefLock
ord591
ord593
__vbaForEachCollObj
__vbaVarForInit
__vbaExitProc
ord300
ord594
__vbaOnError
__vbaObjSet
ord595
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
ord598
__vbaVarIndexLoad
ord599
ord306
__vbaForEachCollVar
ord520
__vbaRefVarAry
__vbaFpR8
__vbaBoolVarNull
_CIsin
ord631
__vbaErase
__vbaVargVarMove
ord525
__vbaNextEachCollObj
__vbaVarCmpGt
ord632
__vbaChkstk
__vbaFileClose
ord526
EVENT_SINK_AddRef
__vbaGenerateBoundsError
ord528
ord529
__vbaGet3
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaNextEachCollVar
ord561
__vbaI2I4
__vbaObjVar
DllFunctionCall
ord670
__vbaVarLateMemSt
__vbaVarOr
ord563
ord564
__vbaCastObjVar
__vbaLbound
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
Zombie_GetTypeInfoCount
__vbaRedim
__vbaR8Cy
__vbaStrR8
__vbaRecUniToAnsi
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaVarAnd
__vbaObjIs
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaVarMul
__vbaExceptHandler
ord711
__vbaStrToUnicode
__vbaPrintFile
ord712
ord606
ord713
_adj_fprem
_adj_fdivr_m64
ord607
ord714
__vbaVarDiv
ord608
ord531
__vbaFPException
ord717
__vbaInStrVar
ord319
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
ord537
ord644
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaVar2Vec
ord648
ord570
__vbaInStr
__vbaR8Str
__vbaNew2
__vbaVarLateMemCallLdRf
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
__vbaI4Str
ord681
__vbaVarCmpLt
__vbaFreeStrList
ord576
_adj_fdivr_m32
__vbaPowerR8
__vbaR8Var
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
ord689
__vbaVarCmpEq
__vbaFpCy
ord610
__vbaAryLock
__vbaVarAdd
__vbaLateMemCall
ord320
__vbaStrComp
__vbaStrToAnsi
__vbaVarDup
ord321
__vbaFpI4
ord616
__vbaVarCopy
__vbaVarLateMemCallLd
__vbaRecDestructAnsi
ord617
__vbaLateMemCallLd
_CIatan
ord618
__vbaAryCopy
__vbaStrMove
__vbaCastObj
ord619
__vbaR8IntI4
__vbaStrVarCopy
__vbaForEachVar
ord650
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
__vbaUI1Var
__vbaAryUnlock
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 2.1MB - Virtual size: 2.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 34KB
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