Report - csrss.exe

Generic Malware PE File PE32
ScreenShot
Created 2021.06.24 09:42 Machine s1_win7_x6402
Filename csrss.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
4
Behavior Score
1.2
ZERO API file : clean
VT API (file) 14 detected (AIDetect, malware2, malicious, high confidence, Unsafe, Save, Static AI, Suspicious PE, Wacapew, Artemis, ZevbaF, im0@aCHb4ili, confidence, 100%)
md5 4a97041b159dda7634334d01619fac94
sha256 67e83af6282dac6c860ce6cba06461848fac1841bf7f05feeda727fe722029e9
ssdeep 1536:EwbIYEQ7ZbF7hL28c3s3bi9NrAuWhmkOeE7IbuTZ3r0lneQpuO:EwbhEQnh4Ei9NrAVhmMS93wx
imphash 7b83594c1a58925c328e887fceb49629
impfuzzy 48:nq/wzxQQwgPwjTjYzRxRwQ3u93OQS+hxr1SxgZ3REdTRyzFNfzZj5cIhw+EgiSkb:nq/GxQQfPsTjYzRxR9+9eQS+hxrwxgZQ
  Network IP location

Signature (2cnts)

Level Description
watch Communicates with host for which no DNS query was performed
watch File has been identified by 14 AntiVirus engines on VirusTotal as malicious

Rules (3cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware 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 _CIcos
 0x401004 _adj_fptan
 0x401008 __vbaVarMove
 0x40100c __vbaFreeVar
 0x401010 __vbaAryMove
 0x401014 __vbaStrVarMove
 0x401018 __vbaFreeVarList
 0x40101c _adj_fdiv_m64
 0x401020 __vbaFreeObjList
 0x401024 None
 0x401028 _adj_fprem1
 0x40102c __vbaRecAnsiToUni
 0x401030 None
 0x401034 __vbaSetSystemError
 0x401038 None
 0x40103c __vbaRecDestruct
 0x401040 __vbaHresultCheckObj
 0x401044 _adj_fdiv_m32
 0x401048 __vbaAryDestruct
 0x40104c __vbaBoolStr
 0x401050 None
 0x401054 None
 0x401058 __vbaObjSet
 0x40105c __vbaOnError
 0x401060 _adj_fdiv_m16i
 0x401064 __vbaObjSetAddref
 0x401068 _adj_fdivr_m16i
 0x40106c None
 0x401070 None
 0x401074 None
 0x401078 __vbaCyStr
 0x40107c None
 0x401080 __vbaFpR8
 0x401084 _CIsin
 0x401088 __vbaChkstk
 0x40108c EVENT_SINK_AddRef
 0x401090 __vbaGenerateBoundsError
 0x401094 __vbaStrCmp
 0x401098 __vbaAryConstruct2
 0x40109c __vbaI2I4
 0x4010a0 __vbaObjVar
 0x4010a4 None
 0x4010a8 DllFunctionCall
 0x4010ac _adj_fpatan
 0x4010b0 __vbaRedim
 0x4010b4 __vbaRecUniToAnsi
 0x4010b8 EVENT_SINK_Release
 0x4010bc _CIsqrt
 0x4010c0 EVENT_SINK_QueryInterface
 0x4010c4 __vbaFpCmpCy
 0x4010c8 __vbaExceptHandler
 0x4010cc __vbaStrToUnicode
 0x4010d0 _adj_fprem
 0x4010d4 _adj_fdivr_m64
 0x4010d8 __vbaFPException
 0x4010dc None
 0x4010e0 None
 0x4010e4 _CIlog
 0x4010e8 None
 0x4010ec __vbaErrorOverflow
 0x4010f0 __vbaFileOpen
 0x4010f4 None
 0x4010f8 __vbaNew2
 0x4010fc __vbaInStr
 0x401100 __vbaR8Str
 0x401104 __vbaVar2Vec
 0x401108 _adj_fdiv_m32i
 0x40110c _adj_fdivr_m32i
 0x401110 __vbaStrCopy
 0x401114 __vbaFreeStrList
 0x401118 _adj_fdivr_m32
 0x40111c _adj_fdiv_r
 0x401120 None
 0x401124 __vbaI4Var
 0x401128 None
 0x40112c None
 0x401130 __vbaLateMemCall
 0x401134 __vbaStrComp
 0x401138 __vbaVarDup
 0x40113c None
 0x401140 __vbaStrToAnsi
 0x401144 None
 0x401148 __vbaFpI4
 0x40114c __vbaLateMemCallLd
 0x401150 __vbaRecDestructAnsi
 0x401154 _CIatan
 0x401158 __vbaStrMove
 0x40115c __vbaCastObj
 0x401160 _allmul
 0x401164 __vbaLateIdSt
 0x401168 _CItan
 0x40116c None
 0x401170 _CIexp
 0x401174 __vbaFreeObj
 0x401178 __vbaFreeStr

EAT(Export Address Table) is none



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