Behavioral task
behavioral1
Sample
DOM-04-INV-1616.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
DOM-04-INV-1616.exe
Resource
win10v2004-20240226-en
General
-
Target
DOM-04-INV-1616.bat
-
Size
2.4MB
-
MD5
c39e73033267ae166eaa5932507ef95b
-
SHA1
668cb060f6cdf86175c2b8d56198b5a4b2581d18
-
SHA256
2cb398ecd2ee5c6760a8fb2c9c70008e86ab077af14e1c417d064dc33e65ac74
-
SHA512
b3483ea1c12380676cef1a557aa67028155844de94fc49791a81e2a288d26739f4a6f9ad48942e133f452b7e5a296ff267c931a1faef9e73c11c2e9d7b421fca
-
SSDEEP
49152:cZehc4mTYJ78V9gyBn4cNkWk5cS7a+9XYaQyVRfmP/SA8N:cZ942KQV9hp4sajJvfmP/SA8
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 DOM-04-INV-1616.bat
Files
-
DOM-04-INV-1616.bat.exe windows:4 windows x86 arch:x86
c3767826150fc0472fd62bc08144a796
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
__vbaHresultCheck
__vbaVarMove
__vbaStrI4
__vbaVarVargNofree
__vbaAryMove
__vbaFreeVar
__vbaLateIdCall
__vbaStrVarMove
__vbaLenBstr
ord696
__vbaEnd
__vbaPut3
__vbaFreeVarList
_adj_fdiv_m64
ord698
__vbaNextEachVar
__vbaFreeObjList
ord516
__vbaVarIndexLoadRef
__vbaStrErrVarCopy
_adj_fprem1
ord518
ord626
ord519
__vbaVarCmpNe
__vbaForEachCollAd
__vbaStrCat
__vbaSetSystemError
__vbaLenBstrB
__vbaHresultCheckObj
__vbaLenVar
_adj_fdiv_m32
__vbaAryVar
ord667
__vbaAryDestruct
__vbaVarIndexLoadRefLock
ord591
__vbaLateMemSt
ord593
__vbaVarForInit
__vbaForEachCollObj
__vbaExitProc
ord594
__vbaOnError
__vbaObjSet
ord595
ord596
_adj_fdiv_m16i
__vbaObjSetAddref
_adj_fdivr_m16i
__vbaVarIndexLoad
ord598
__vbaForEachCollVar
ord520
__vbaRefVarAry
__vbaFpR8
__vbaBoolVarNull
_CIsin
__vbaErase
ord631
__vbaVarCmpGt
__vbaVargVarMove
ord525
__vbaNextEachCollObj
ord632
__vbaChkstk
ord526
__vbaFileClose
EVENT_SINK_AddRef
ord528
__vbaGenerateBoundsError
ord529
__vbaGet3
__vbaStrCmp
__vbaAryConstruct2
__vbaVarTstEq
__vbaPutOwner4
__vbaNextEachCollVar
__vbaI2I4
ord561
__vbaObjVar
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
ord606
_adj_fprem
_adj_fdivr_m64
ord714
ord607
__vbaI2Str
ord608
ord530
ord716
__vbaFPException
ord717
__vbaInStrVar
__vbaUbound
__vbaStrVarVal
__vbaVarCat
__vbaI2Var
ord644
ord537
ord645
_CIlog
__vbaErrorOverflow
__vbaFileOpen
__vbaVarLateMemCallLdRf
__vbaVar2Vec
__vbaInStr
ord570
ord648
__vbaR8Str
__vbaNew2
_adj_fdiv_m32i
_adj_fdivr_m32i
__vbaVarSetObj
ord573
__vbaStrCopy
__vbaI4Str
ord681
__vbaVarCmpLt
__vbaFreeStrList
__vbaVarNot
ord576
_adj_fdivr_m32
__vbaPowerR8
_adj_fdiv_r
ord685
ord100
__vbaVarTstNe
__vbaVarSetVar
__vbaI4Var
ord689
__vbaVarCmpEq
__vbaFpCy
__vbaAryLock
__vbaVarAdd
__vbaStrComp
__vbaVarDup
__vbaStrToAnsi
__vbaVarCopy
__vbaFpI4
__vbaVarLateMemCallLd
ord616
__vbaLateMemCallLd
ord617
_CIatan
ord618
__vbaAryCopy
__vbaCastObj
__vbaI2ErrVar
__vbaStrMove
__vbaForEachVar
__vbaStrVarCopy
__vbaR8IntI4
ord619
ord650
_allmul
__vbaLenVarB
_CItan
__vbaNextEachCollAd
__vbaAryUnlock
__vbaUI1Var
__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: 12KB
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