Behavioral task
behavioral1
Sample
RENEWAL.zip
Resource
win7-20240508-en
Behavioral task
behavioral2
Sample
RENEWAL.zip
Resource
win10v2004-20240508-en
Behavioral task
behavioral3
Sample
RENEWAL.zip
Resource
win7-20231129-en
Behavioral task
behavioral4
Sample
RENEWAL.zip
Resource
win10v2004-20240611-en
Behavioral task
behavioral5
Sample
RENEWAL.exe
Resource
win7-20240220-en
Behavioral task
behavioral6
Sample
RENEWAL.exe
Resource
win10v2004-20240508-en
General
-
Target
RENEWAL.zip
-
Size
364KB
-
MD5
cdb85d64a6df5f48477931ec3c2df14e
-
SHA1
72212e655058222424b98960edc45d349568ce33
-
SHA256
e101746b116f24163e6f8c4b280eb3c424c6ac913a93b91f1afefda941f78644
-
SHA512
6d6fe8b855eaf6c3ea9e4f5c5bd5fe9452d138a786e4d75ca8ba354e36f7d4a4989c5667e538185fd80ee6be469970fde14f7fe3f44efadad6db8ea47c7be8c9
-
SSDEEP
6144:Z+9PPhifSEYZ3/qj+cRGkB1M4GBA9juHF/VCSY3hw5lM3kiuzQMSiy+lqUHTonwz:Z+ufKeQko40A9jul/qhwdUMSi8Ukn7ni
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.
Processes:
resource unpack002/RENEWAL.cmd
Files
-
RENEWAL.zip.zip
-
RENEWAL.zip.zip
-
RENEWAL.cmd.exe windows:4 windows x86 arch:x86
60004cc8dab1fae596ae3c9e815084a9
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
__vbaLineInputStr
__vbaStrVarMove
__vbaLenBstr
__vbaLateIdCall
ord696
__vbaEnd
__vbaFreeVarList
__vbaPut3
_adj_fdiv_m64
ord698
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
ord519
__vbaForEachCollAd
__vbaVarCmpNe
__vbaStrCat
ord660
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaAryVar
ord667
__vbaAryDestruct
__vbaLateMemSt
ord591
__vbaVarIndexLoadRefLock
__vbaForEachCollObj
__vbaExitProc
ord593
__vbaVarForInit
ord300
ord594
ord301
ord595
__vbaOnError
__vbaObjSet
ord596
_adj_fdiv_m16i
ord303
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
ord305
ord599
__vbaFpR4
ord306
__vbaForEachCollVar
ord520
ord307
ord309
__vbaBoolVarNull
__vbaRefVarAry
__vbaFpR8
_CIsin
__vbaErase
ord631
__vbaVarZero
__vbaNextEachCollObj
__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
__vbaFpUI1
ord564
__vbaCastObjVar
__vbaLbound
_adj_fpatan
__vbaR4Var
__vbaLateIdCallLd
__vbaR8Cy
__vbaRedim
__vbaStrR8
EVENT_SINK_Release
__vbaNew
ord600
ord601
__vbaUI1I2
_CIsqrt
__vbaLateIdCallSt
__vbaObjIs
__vbaVarAnd
ord311
EVENT_SINK_QueryInterface
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
ord313
ord712
__vbaStrToUnicode
__vbaPrintFile
ord606
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
ord571
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
__vbaI4Str
ord681
__vbaVarNot
__vbaVarCmpLt
__vbaFreeStrList
ord576
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord578
ord685
ord100
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
__vbaVarCmpEq
ord689
__vbaFpCy
__vbaAryLock
__vbaLateMemCall
__vbaVarAdd
__vbaStrComp
__vbaStrToAnsi
__vbaVarDup
__vbaVarCopy
__vbaVarTstGe
__vbaFpI4
__vbaVarLateMemCallLd
ord616
__vbaLateMemCallLd
ord617
_CIatan
__vbaCastObj
ord618
__vbaStrMove
__vbaAryCopy
__vbaForEachVar
ord619
__vbaStrVarCopy
__vbaR8IntI4
_allmul
__vbaLateIdSt
_CItan
__vbaNextEachCollAd
ord546
__vbaFPInt
__vbaAryUnlock
__vbaUI1Var
__vbaVarForNext
_CIexp
__vbaMidStmtBstr
__vbaFreeObj
__vbaFreeStr
ord581
Sections
.text Size: 324KB - Virtual size: 321KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 21KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 268KB - Virtual size: 264KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ