Behavioral task
behavioral1
Sample
2.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
2.exe
Resource
win10v2004-20240412-en
Behavioral task
behavioral3
Sample
2.exe
Resource
win11-20240412-en
General
-
Target
2.exe
-
Size
524KB
-
MD5
38a1afe9e731888235eb40eccb3953c2
-
SHA1
aac813693e7f88455c76af2d84962f6ee4bb06c5
-
SHA256
fb6a37d9411d1876e0fd2193f90f43f3be3213a035e4f9eb851134dae4c2b7de
-
SHA512
8085296a33eef7e1c607b82584de1c5a6b330c38eaf013d02a6eeefa97bc3f4a664a738eaf8f63c3636a31249c420e20243895414dafe5ad1f9ab45c994eec91
-
SSDEEP
12288:IHxRHEKFBwR1R46A9jmP/uhu/yMS08CkntxYR:IjkKFYKfmP/UDMS08Ckn3
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 2.exe
Files
-
2.exe.exe windows:4 windows x86 arch:x86
c91d63fcd7eedd4b1b15c1b3b3d801ef
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
ord690
__vbaStrI2
_CIcos
_adj_fptan
__vbaStrI4
__vbaHresultCheck
__vbaVarMove
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLenBstr
__vbaLateIdCall
__vbaStrVarMove
ord696
__vbaPut3
__vbaFreeVarList
__vbaEnd
_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
__vbaVarCmpGe
ord591
__vbaVarIndexLoadRefLock
__vbaVarForInit
__vbaExitProc
ord593
ord594
__vbaObjSet
__vbaOnError
ord595
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
__vbaFpR4
__vbaForEachCollVar
ord520
__vbaRefVarAry
__vbaBoolVarNull
__vbaFpR8
__vbaVarTstLt
_CIsin
__vbaErase
ord631
__vbaVarCmpGt
__vbaVargVarMove
ord632
ord525
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
ord529
__vbaStrCmp
__vbaGet3
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaNextEachCollVar
__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
__vbaStr2Vec
__vbaUI1I4
__vbaExceptHandler
ord711
ord712
__vbaPrintFile
__vbaStrToUnicode
ord713
_adj_fprem
_adj_fdivr_m64
ord714
ord607
__vbaI2Str
ord608
ord716
__vbaFPException
__vbaInStrVar
ord717
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
ord644
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaVarLateMemCallLdRf
__vbaVar2Vec
__vbaInStr
ord570
__vbaR8Str
__vbaNew2
ord648
ord571
_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
__vbaVarAdd
__vbaStrComp
__vbaVarDup
__vbaStrToAnsi
__vbaFpI2
__vbaVarLateMemCallLd
ord616
__vbaFpI4
__vbaVarCopy
__vbaVarTstGe
__vbaLateMemCallLd
ord617
__vbaR8IntI2
_CIatan
__vbaCastObj
ord618
__vbaAryCopy
__vbaStrMove
__vbaForEachVar
ord619
__vbaStrVarCopy
__vbaR8IntI4
_allmul
_CItan
__vbaNextEachCollAd
__vbaAryUnlock
__vbaUI1Var
__vbaFPInt
__vbaVarForNext
_CIexp
__vbaFreeStr
__vbaFreeObj
ord581
Sections
.text Size: 252KB - Virtual size: 250KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.data Size: 4KB - Virtual size: 14KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
IMAGE_SCN_MEM_WRITE
.rsrc Size: 264KB - Virtual size: 261KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ