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Behavioral task
behavioral1
Sample
3b880870e629dc5d230309fa7a79e25193d199f1ff8100a8cb45f3a7113524da.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
3b880870e629dc5d230309fa7a79e25193d199f1ff8100a8cb45f3a7113524da.exe
Resource
win10v2004-20240419-en
General
-
Target
3b880870e629dc5d230309fa7a79e25193d199f1ff8100a8cb45f3a7113524da
-
Size
1.5MB
-
MD5
1fca0f9f953b6ef460a928fb2501b393
-
SHA1
39024478ea8e4eb30685fc8f8a43baf4f36c2f38
-
SHA256
3b880870e629dc5d230309fa7a79e25193d199f1ff8100a8cb45f3a7113524da
-
SHA512
bd2491112838f7e7d3a1c0b369db1adec1f7a88c5f968618e8ebfbde49756bdaa920510b4c676a877454a4ee753ad73022eeceb5a82adc9069f4ff8422f8e461
-
SSDEEP
24576:/RZeiSc0ciFmCQYJ7iFfnZu8/cIbXEyGobPf4cgo9e5PWLfmP/UDMS08Ckn3:JZehc4mTYJ78V9gyBn4cVLfmP/SA8N
Malware Config
Extracted
kutaki
http://treysbeatend.com/laptop/squared.php
http://terebinnahicc.club/sec/kool.txt
Signatures
-
Kutaki family
-
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 3b880870e629dc5d230309fa7a79e25193d199f1ff8100a8cb45f3a7113524da
Files
-
3b880870e629dc5d230309fa7a79e25193d199f1ff8100a8cb45f3a7113524da.exe windows:4 windows x86 arch:x86
b1b1e4012faa77f44d7f92296e26b755
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
__vbaVarTstGt
__vbaVarSub
__vbaStrI2
ord690
_CIcos
_adj_fptan
__vbaStrI4
__vbaHresultCheck
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaStrVarMove
__vbaLenBstr
__vbaLateIdCall
ord696
__vbaEnd
__vbaFreeVarList
__vbaPut3
_adj_fdiv_m64
ord698
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
ord519
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaAryVar
ord667
__vbaAryDestruct
ord591
__vbaVarIndexLoadRefLock
ord593
__vbaVarForInit
ord594
ord595
__vbaOnError
__vbaObjSet
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
__vbaForEachCollVar
ord520
__vbaBoolVarNull
__vbaRefVarAry
__vbaFpR8
_CIsin
__vbaErase
ord631
__vbaVarCmpGt
__vbaVargVarMove
ord632
ord525
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
__vbaStrCmp
ord529
__vbaGet3
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaNextEachCollVar
__vbaObjVar
__vbaI2I4
DllFunctionCall
__vbaVarLateMemSt
ord563
__vbaVarOr
ord670
ord564
__vbaRedimPreserve
__vbaLbound
_adj_fpatan
__vbaLateIdCallLd
__vbaR8Cy
__vbaRedim
__vbaStrR8
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaObjIs
__vbaVarAnd
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
ord712
__vbaStrToUnicode
__vbaPrintFile
ord713
_adj_fprem
_adj_fdivr_m64
ord714
ord607
ord608
ord716
__vbaFPException
__vbaInStrVar
ord717
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
ord644
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaVarLateMemCallLdRf
__vbaVar2Vec
__vbaInStr
__vbaNew2
ord570
ord648
__vbaR8Str
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
__vbaI4Str
ord681
__vbaVarCmpLt
__vbaFreeStrList
ord576
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
ord689
__vbaFpCy
__vbaAryLock
__vbaLateMemCall
__vbaVarAdd
__vbaStrComp
__vbaStrToAnsi
__vbaVarDup
__vbaFpI4
__vbaVarLateMemCallLd
ord616
__vbaLateMemCallLd
ord617
_CIatan
__vbaCastObj
ord618
__vbaStrMove
__vbaAryCopy
__vbaForEachVar
ord619
__vbaStrVarCopy
__vbaR8IntI4
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
__vbaAryUnlock
__vbaUI1Var
__vbaVarForNext
_CIexp
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 1.2MB - Virtual size: 1.2MB
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