Behavioral task
behavioral1
Sample
Tax Payment Challan.exe
Resource
win7-20240221-en
General
-
Target
385aa9bd24be994cba1cd917c9601851.zip
-
Size
405KB
-
MD5
385aa9bd24be994cba1cd917c9601851
-
SHA1
5ef02292e5c969c9cf56e36133cb36438ecb66f3
-
SHA256
e4adf875355662338b487d33f7235b3987f2d5c06c8c6772a374a8d65e353ee0
-
SHA512
61e73c0e4fbcf2633a8c5e5ea92f6983cee7c5df905d0397a945e30426c0b4d398372c2cd8cd9781bb7ad5a0efecb20eaa352df3c494fd8f4635f249b8762856
-
SSDEEP
12288:rONSucT/jFFaL64wA9jY9/shcT2MSC8IknjlYR+:yNSPD7wldY9/iHMSC8Iknh5
Malware Config
Extracted
kutaki
http://linkwotowoto.club/new/two.php
Signatures
-
Kutaki Executable 1 IoCs
resource yara_rule static1/unpack001/Tax Payment Challan.exe family_kutaki -
Kutaki family
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Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource unpack001/Tax Payment Challan.exe
Files
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385aa9bd24be994cba1cd917c9601851.zip.zip
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Tax Payment Challan.exe.exe windows:4 windows x86 arch:x86
309b91ef42fd60dda5b6b572d29869be
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
__vbaStrI4
__vbaHresultCheck
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLateIdCall
__vbaStrVarMove
__vbaLenBstr
ord696
__vbaPut3
__vbaEnd
__vbaFreeVarList
_adj_fdiv_m64
ord698
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
ord519
__vbaResume
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
ord666
__vbaAryVar
ord667
__vbaAryDestruct
ord591
__vbaVarIndexLoadRefLock
__vbaVarForInit
ord593
__vbaForEachCollObj
__vbaExitProc
ord594
__vbaStrLike
__vbaObjSet
__vbaOnError
ord595
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
ord599
ord520
__vbaFpR8
__vbaRefVarAry
__vbaBoolVarNull
_CIsin
ord631
__vbaErase
__vbaVarCmpGt
__vbaVargVarMove
ord525
ord632
__vbaNextEachCollObj
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaGet3
ord529
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaObjVar
__vbaI2I4
DllFunctionCall
ord563
ord670
__vbaVarOr
ord564
__vbaLbound
_adj_fpatan
__vbaLateIdCallLd
__vbaR8Cy
__vbaStrR8
__vbaRedim
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaObjIs
__vbaVarAnd
__vbaLateIdCallSt
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
__vbaPrintFile
ord712
__vbaStrToUnicode
ord713
_adj_fprem
_adj_fdivr_m64
ord714
ord607
ord608
__vbaFPException
ord717
__vbaInStrVar
__vbaStrVarVal
__vbaUbound
__vbaVarCat
__vbaCheckType
__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
__vbaDerefAry1
ord576
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaI4Var
ord689
__vbaVarCmpEq
__vbaFpCy
__vbaAryLock
__vbaVarAdd
__vbaStrComp
__vbaStrToAnsi
__vbaVarDup
__vbaFreeVarg
__vbaVarLateMemCallLd
ord616
__vbaVarCopy
__vbaFpI4
ord617
__vbaLateMemCallLd
_CIatan
__vbaAryCopy
ord618
__vbaStrMove
__vbaCastObj
__vbaForEachVar
ord619
__vbaR8IntI4
__vbaStrVarCopy
ord650
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
__vbaAryUnlock
__vbaUI1Var
__vbaVarForNext
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 344KB - Virtual size: 341KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 22KB
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