Report - dwm.exe

Malicious Packer UPX PE File PE32
ScreenShot
Created 2021.10.26 11:45 Machine s1_win7_x6401
Filename dwm.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
6
Behavior Score
2.2
ZERO API file : clean
VT API (file) 29 detected (Bsymem, malicious, high confidence, GenericKD, Unsafe, Save, ZevbaF, yn3@a0TxMzfO, VBKrypt, Eldorado, Attribute, HighConfidence, GenKryptik, FMNQ, adpg, FileRepMalware, Eehg, ai score=82, Sabsik, Artemis, confidence, 100%)
md5 f88c058646225de6e3cddc39ea0c9ff7
sha256 8dca2819e4395eb497f4246dc808a5efb1cd805a70825bda636240facd8dd66c
ssdeep 24576:N/7Xota4g42SAQExHGz4yjERgvN00n6WoNrn:OfExHGz4yj+gvN00n6WoNrn
imphash 4688138aa56f51df0a1bf9af39c02fc8
impfuzzy 96:nmAvl5/l1BxQRQZEZUfPHbTRNwkYYuBRzkbdqHV1xJxYJYJxr+7M7NWaXMSdbdB4:nt9dzU2k7be7xTy1e
  Network IP location

Signature (5cnts)

Level Description
warning File has been identified by 29 AntiVirus engines on VirusTotal as malicious
notice Allocates read-write-execute memory (usually to unpack itself)
notice Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
notice Foreign language identified in PE resource
info One or more processes crashed

Rules (4cnts)

Level Name Description Collection
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

Suricata ids

PE API

IAT(Import Address Table) Library

MSVBVM60.DLL
 0x401000 __vbaVarSub
 0x401004 __vbaStrI2
 0x401008 __vbaR8ForNextCheck
 0x40100c _CIcos
 0x401010 _adj_fptan
 0x401014 __vbaVarMove
 0x401018 __vbaStrI4
 0x40101c __vbaVarVargNofree
 0x401020 __vbaCyMul
 0x401024 __vbaAryMove
 0x401028 __vbaFreeVar
 0x40102c None
 0x401030 __vbaStrVarMove
 0x401034 __vbaLenBstr
 0x401038 __vbaLateIdCall
 0x40103c __vbaPut3
 0x401040 __vbaEnd
 0x401044 __vbaFreeVarList
 0x401048 _adj_fdiv_m64
 0x40104c __vbaRaiseEvent
 0x401050 __vbaFreeObjList
 0x401054 None
 0x401058 _adj_fprem1
 0x40105c __vbaRecAnsiToUni
 0x401060 __vbaI4Sgn
 0x401064 __vbaI2Abs
 0x401068 __vbaCopyBytes
 0x40106c __vbaResume
 0x401070 __vbaStrCat
 0x401074 None
 0x401078 None
 0x40107c __vbaLsetFixstr
 0x401080 __vbaRecDestruct
 0x401084 __vbaSetSystemError
 0x401088 __vbaLenBstrB
 0x40108c __vbaNameFile
 0x401090 None
 0x401094 __vbaHresultCheckObj
 0x401098 __vbaVargVarCopy
 0x40109c None
 0x4010a0 __vbaLenVar
 0x4010a4 _adj_fdiv_m32
 0x4010a8 __vbaAryVar
 0x4010ac None
 0x4010b0 __vbaAryDestruct
 0x4010b4 None
 0x4010b8 None
 0x4010bc __vbaVarForInit
 0x4010c0 __vbaVarPow
 0x4010c4 __vbaExitProc
 0x4010c8 None
 0x4010cc __vbaI4Abs
 0x4010d0 None
 0x4010d4 None
 0x4010d8 __vbaCyAdd
 0x4010dc __vbaStrLike
 0x4010e0 __vbaOnError
 0x4010e4 __vbaObjSet
 0x4010e8 _adj_fdiv_m16i
 0x4010ec __vbaObjSetAddref
 0x4010f0 _adj_fdivr_m16i
 0x4010f4 __vbaVarIndexLoad
 0x4010f8 None
 0x4010fc None
 0x401100 __vbaCyStr
 0x401104 __vbaFpR4
 0x401108 __vbaStrFixstr
 0x40110c __vbaBoolVar
 0x401110 None
 0x401114 __vbaRefVarAry
 0x401118 None
 0x40111c __vbaFpR8
 0x401120 __vbaBoolVarNull
 0x401124 _CIsin
 0x401128 __vbaErase
 0x40112c None
 0x401130 None
 0x401134 __vbaVargVarMove
 0x401138 __vbaChkstk
 0x40113c __vbaFileClose
 0x401140 None
 0x401144 EVENT_SINK_AddRef
 0x401148 None
 0x40114c None
 0x401150 __vbaGenerateBoundsError
 0x401154 __vbaGet3
 0x401158 None
 0x40115c __vbaStrCmp
 0x401160 __vbaVarTstEq
 0x401164 __vbaGet4
 0x401168 __vbaPutOwner3
 0x40116c __vbaAryConstruct2
 0x401170 __vbaCyI4
 0x401174 None
 0x401178 __vbaI2I4
 0x40117c DllFunctionCall
 0x401180 __vbaFpUI1
 0x401184 __vbaCySub
 0x401188 __vbaCastObjVar
 0x40118c __vbaLbound
 0x401190 __vbaRedimPreserve
 0x401194 _adj_fpatan
 0x401198 None
 0x40119c __vbaR4Var
 0x4011a0 __vbaFixstrConstruct
 0x4011a4 __vbaLateIdCallLd
 0x4011a8 __vbaR8Cy
 0x4011ac __vbaRedim
 0x4011b0 __vbaRecUniToAnsi
 0x4011b4 EVENT_SINK_Release
 0x4011b8 None
 0x4011bc __vbaUI1I2
 0x4011c0 _CIsqrt
 0x4011c4 __vbaObjIs
 0x4011c8 None
 0x4011cc EVENT_SINK_QueryInterface
 0x4011d0 __vbaUI1I4
 0x4011d4 __vbaFpCmpCy
 0x4011d8 __vbaVarMul
 0x4011dc __vbaExceptHandler
 0x4011e0 None
 0x4011e4 None
 0x4011e8 __vbaPrintFile
 0x4011ec __vbaStrToUnicode
 0x4011f0 None
 0x4011f4 None
 0x4011f8 _adj_fprem
 0x4011fc _adj_fdivr_m64
 0x401200 None
 0x401204 None
 0x401208 None
 0x40120c None
 0x401210 __vbaFPException
 0x401214 __vbaInStrVar
 0x401218 None
 0x40121c None
 0x401220 __vbaGetOwner3
 0x401224 __vbaUbound
 0x401228 __vbaStrVarVal
 0x40122c __vbaVarCat
 0x401230 __vbaDateVar
 0x401234 __vbaMidStmtBstrB
 0x401238 __vbaI2Var
 0x40123c None
 0x401240 None
 0x401244 None
 0x401248 None
 0x40124c _CIlog
 0x401250 None
 0x401254 __vbaErrorOverflow
 0x401258 __vbaFileOpen
 0x40125c __vbaR8Str
 0x401260 None
 0x401264 None
 0x401268 __vbaVar2Vec
 0x40126c __vbaInStr
 0x401270 __vbaNew2
 0x401274 __vbaCyMulI2
 0x401278 _adj_fdiv_m32i
 0x40127c None
 0x401280 _adj_fdivr_m32i
 0x401284 __vbaStrCopy
 0x401288 None
 0x40128c __vbaVarNot
 0x401290 __vbaFreeStrList
 0x401294 None
 0x401298 _adj_fdivr_m32
 0x40129c __vbaPowerR8
 0x4012a0 _adj_fdiv_r
 0x4012a4 None
 0x4012a8 None
 0x4012ac None
 0x4012b0 __vbaVarTstNe
 0x4012b4 None
 0x4012b8 __vbaI4Var
 0x4012bc __vbaVarCmpEq
 0x4012c0 __vbaVarAdd
 0x4012c4 __vbaAryLock
 0x4012c8 __vbaVarDup
 0x4012cc __vbaStrToAnsi
 0x4012d0 __vbaFpI2
 0x4012d4 __vbaVarCopy
 0x4012d8 None
 0x4012dc __vbaFpI4
 0x4012e0 None
 0x4012e4 __vbaVarSetObjAddref
 0x4012e8 __vbaRecDestructAnsi
 0x4012ec __vbaLateMemCallLd
 0x4012f0 _CIatan
 0x4012f4 __vbaAryCopy
 0x4012f8 None
 0x4012fc __vbaCastObj
 0x401300 __vbaStrMove
 0x401304 __vbaI4Cy
 0x401308 None
 0x40130c __vbaR8IntI4
 0x401310 None
 0x401314 None
 0x401318 _allmul
 0x40131c None
 0x401320 None
 0x401324 __vbaLateIdSt
 0x401328 None
 0x40132c _CItan
 0x401330 None
 0x401334 None
 0x401338 __vbaAryUnlock
 0x40133c __vbaFpCSngR8
 0x401340 __vbaVarForNext
 0x401344 _CIexp
 0x401348 __vbaMidStmtBstr
 0x40134c __vbaStrCy
 0x401350 None
 0x401354 __vbaFreeStr
 0x401358 __vbaFreeObj
 0x40135c None

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure