Report - vbc.exe

Malicious Library Escalate priviledges KeyLogger ScreenShot Downloader persistence AntiDebug AntiVM PE File PE32
ScreenShot
Created 2021.05.25 10:02 Machine s1_win7_x6402
Filename vbc.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
10
Behavior Score
2.4
ZERO API file : malware
VT API (file) 18 detected (AIDetect, malware1, malicious, high confidence, Unsafe, Save, Attribute, HighConfidence, Static AI, Malicious PE, Wacatac, score, ZevbaF, Pm3@aOjd4@oO, Vbinder, susgen, confidence)
md5 9c0ab971e60116467107fe8dd787e5cf
sha256 ef4cb9aea5d837610a28160c179ef3c4f381f84a8cbdd3464563800c53a95f15
ssdeep 12288:RdrMG1jOQrzN9gYEditSMDQePJcLLzcnDaYOdrg:IajLV98otSMDHPuLsDJ0g
imphash 5ed02bc7113b26daf5c753d20e68496a
impfuzzy 96:nmAzl/1xQGFQ6UfVHoboTIkYYupgjBGRzkHMxkxRNJTJ1yN7NrvbPcdqUZr1cTc0:nFwACO+7LJbzE
  Network IP location

Signature (5cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch File has been identified by 18 AntiVirus engines on VirusTotal as malicious
notice Foreign language identified in PE resource
notice The binary likely contains encrypted or compressed data indicative of a packer
notice Yara rule detected in process memory

Rules (13cnts)

Level Name Description Collection
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch Network_Downloader File Downloader memory
notice Escalate_priviledges Escalate priviledges memory
notice KeyLogger Run a KeyLogger memory
notice Persistence Install itself for autorun at Windows startup memory
notice ScreenShot Take ScreenShot memory
info anti_dbg Checks if being debugged memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Thread (no description) memory
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vba (no description) memory
info win_hook Affect hook table memory

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 _CIcos
 0x40100c _adj_fptan
 0x401010 __vbaStrI4
 0x401014 __vbaVarMove
 0x401018 __vbaVarVargNofree
 0x40101c __vbaAryMove
 0x401020 __vbaFreeVar
 0x401024 __vbaGosubReturn
 0x401028 __vbaStrVarMove
 0x40102c __vbaLenBstr
 0x401030 None
 0x401034 __vbaEnd
 0x401038 __vbaFreeVarList
 0x40103c _adj_fdiv_m64
 0x401040 None
 0x401044 __vbaRaiseEvent
 0x401048 __vbaFreeObjList
 0x40104c None
 0x401050 __vbaStrErrVarCopy
 0x401054 _adj_fprem1
 0x401058 __vbaRecAnsiToUni
 0x40105c None
 0x401060 __vbaI2Abs
 0x401064 __vbaCopyBytes
 0x401068 __vbaResume
 0x40106c __vbaVarCmpNe
 0x401070 __vbaStrCat
 0x401074 __vbaBoolErrVar
 0x401078 __vbaWriteFile
 0x40107c __vbaLsetFixstr
 0x401080 __vbaRecDestruct
 0x401084 __vbaSetSystemError
 0x401088 __vbaHresultCheckObj
 0x40108c __vbaLenVar
 0x401090 None
 0x401094 _adj_fdiv_m32
 0x401098 __vbaAryVar
 0x40109c __vbaAryDestruct
 0x4010a0 __vbaLateMemSt
 0x4010a4 __vbaVarForInit
 0x4010a8 __vbaVarPow
 0x4010ac None
 0x4010b0 __vbaExitProc
 0x4010b4 __vbaI4Abs
 0x4010b8 None
 0x4010bc None
 0x4010c0 __vbaOnError
 0x4010c4 None
 0x4010c8 __vbaObjSet
 0x4010cc _adj_fdiv_m16i
 0x4010d0 __vbaObjSetAddref
 0x4010d4 _adj_fdivr_m16i
 0x4010d8 __vbaBoolVar
 0x4010dc None
 0x4010e0 None
 0x4010e4 __vbaBoolVarNull
 0x4010e8 __vbaFpR8
 0x4010ec __vbaVarTstLt
 0x4010f0 __vbaVargVar
 0x4010f4 _CIsin
 0x4010f8 None
 0x4010fc __vbaErase
 0x401100 None
 0x401104 __vbaVarZero
 0x401108 __vbaVarCmpGt
 0x40110c None
 0x401110 None
 0x401114 __vbaVargVarMove
 0x401118 __vbaChkstk
 0x40111c __vbaGosubFree
 0x401120 __vbaFileClose
 0x401124 EVENT_SINK_AddRef
 0x401128 None
 0x40112c None
 0x401130 __vbaGenerateBoundsError
 0x401134 None
 0x401138 __vbaGet3
 0x40113c __vbaStrCmp
 0x401140 __vbaPutOwner3
 0x401144 __vbaAryConstruct2
 0x401148 __vbaVarTstEq
 0x40114c None
 0x401150 __vbaObjVar
 0x401154 __vbaI2I4
 0x401158 __vbaPrintObj
 0x40115c DllFunctionCall
 0x401160 __vbaVarLateMemSt
 0x401164 __vbaVarOr
 0x401168 __vbaFpUI1
 0x40116c __vbaCastObjVar
 0x401170 __vbaLbound
 0x401174 __vbaRedimPreserve
 0x401178 _adj_fpatan
 0x40117c __vbaLateIdCallLd
 0x401180 __vbaRedim
 0x401184 __vbaRecUniToAnsi
 0x401188 EVENT_SINK_Release
 0x40118c __vbaNew
 0x401190 __vbaUI1I2
 0x401194 _CIsqrt
 0x401198 __vbaVarAnd
 0x40119c __vbaObjIs
 0x4011a0 EVENT_SINK_QueryInterface
 0x4011a4 __vbaUI1I4
 0x4011a8 __vbaVarMul
 0x4011ac __vbaExceptHandler
 0x4011b0 None
 0x4011b4 None
 0x4011b8 __vbaStrToUnicode
 0x4011bc None
 0x4011c0 _adj_fprem
 0x4011c4 _adj_fdivr_m64
 0x4011c8 __vbaGosub
 0x4011cc None
 0x4011d0 __vbaI2Str
 0x4011d4 __vbaVarDiv
 0x4011d8 None
 0x4011dc None
 0x4011e0 __vbaFPException
 0x4011e4 None
 0x4011e8 __vbaInStrVar
 0x4011ec None
 0x4011f0 __vbaGetOwner3
 0x4011f4 __vbaUbound
 0x4011f8 __vbaStrVarVal
 0x4011fc __vbaVarCat
 0x401200 __vbaI2Var
 0x401204 None
 0x401208 __vbaStopExe
 0x40120c None
 0x401210 None
 0x401214 _CIlog
 0x401218 __vbaErrorOverflow
 0x40121c __vbaFileOpen
 0x401220 __vbaInStr
 0x401224 __vbaVarLateMemCallLdRf
 0x401228 None
 0x40122c None
 0x401230 __vbaR8Str
 0x401234 __vbaNew2
 0x401238 __vbaVar2Vec
 0x40123c _adj_fdiv_m32i
 0x401240 _adj_fdivr_m32i
 0x401244 __vbaStrCopy
 0x401248 __vbaI4Str
 0x40124c None
 0x401250 __vbaVarNot
 0x401254 __vbaFreeStrList
 0x401258 __vbaDerefAry1
 0x40125c _adj_fdivr_m32
 0x401260 __vbaR8Var
 0x401264 __vbaPowerR8
 0x401268 _adj_fdiv_r
 0x40126c None
 0x401270 None
 0x401274 None
 0x401278 __vbaVarTstNe
 0x40127c __vbaI4Var
 0x401280 __vbaVarCmpEq
 0x401284 __vbaAryLock
 0x401288 __vbaVarAdd
 0x40128c __vbaLateMemCall
 0x401290 __vbaStrToAnsi
 0x401294 __vbaVarDup
 0x401298 __vbaFpI2
 0x40129c __vbaCheckTypeVar
 0x4012a0 __vbaVarCopy
 0x4012a4 __vbaUnkVar
 0x4012a8 __vbaVarLateMemCallLd
 0x4012ac __vbaFpI4
 0x4012b0 None
 0x4012b4 __vbaRecDestructAnsi
 0x4012b8 None
 0x4012bc __vbaR8IntI2
 0x4012c0 __vbaLateMemCallLd
 0x4012c4 _CIatan
 0x4012c8 __vbaCastObj
 0x4012cc __vbaAryCopy
 0x4012d0 None
 0x4012d4 __vbaStrMove
 0x4012d8 _allmul
 0x4012dc _CItan
 0x4012e0 __vbaAryUnlock
 0x4012e4 __vbaFPInt
 0x4012e8 __vbaVarForNext
 0x4012ec _CIexp
 0x4012f0 __vbaRecAssign
 0x4012f4 __vbaFreeStr
 0x4012f8 __vbaFreeObj
 0x4012fc None

EAT(Export Address Table) is none



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