ScreenShot
| Created | 2021.06.21 17:48 | Machine | s1_win7_x6402 |
| Filename | csrss.exe | ||
| Type | PE32 executable (GUI) Intel 80386, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : malware | ||
| VT API (file) | 11 detected (AIDetect, malware2, malicious, high confidence, Save, Attribute, HighConfidence, PackedENT, Wacatac, ZevbaF, fm0@ai2mGOoi, Static AI, Suspicious PE, Unsafe, Score) | ||
| md5 | 789a47d33ce65dad5fd40c1e656cf638 | ||
| sha256 | 17dddb2e6db0aa7d67c0e63f1129dde91f471fb6c5ce41d1e1574d8403ecd1ad | ||
| ssdeep | 768:bOBYycoRhQqLpQ5PiRvwgo87goAub5sIE6uN2+JG39BztoLou6THw4tM+y9GFzyB:0zjCoOPiugp3AsQN2RTiku6TQrt9uWp | ||
| imphash | afebd4b9a3c7e2a05199a96fc7d3e5d6 | ||
| impfuzzy | 48:nzwzZwgPwRTRkzV3L39Jt1S3edTzmFNJzplhHwPsegIkS28XbSTSwpw8:nzGZfPyTRkzV7NJtwuVzmFNJzplhHgsH | ||
Network IP location
Signature (6cnts)
| Level | Description |
|---|---|
| watch | Communicates with host for which no DNS query was performed |
| watch | Created a process named as a common system process |
| watch | Enumerates services |
| watch | File has been identified by 11 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) |
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) |
PE API
IAT(Import Address Table) Library
MSVBVM60.DLL
0x401000 None
0x401004 None
0x401008 _CIcos
0x40100c _adj_fptan
0x401010 __vbaFreeVar
0x401014 __vbaLenBstr
0x401018 __vbaFreeVarList
0x40101c _adj_fdiv_m64
0x401020 __vbaFreeObjList
0x401024 None
0x401028 _adj_fprem1
0x40102c __vbaRecAnsiToUni
0x401030 __vbaSetSystemError
0x401034 __vbaRecDestruct
0x401038 __vbaHresultCheckObj
0x40103c None
0x401040 _adj_fdiv_m32
0x401044 None
0x401048 None
0x40104c __vbaObjSet
0x401050 _adj_fdiv_m16i
0x401054 __vbaObjSetAddref
0x401058 _adj_fdivr_m16i
0x40105c __vbaFpR8
0x401060 _CIsin
0x401064 None
0x401068 __vbaChkstk
0x40106c EVENT_SINK_AddRef
0x401070 None
0x401074 __vbaStrCmp
0x401078 __vbaObjVar
0x40107c DllFunctionCall
0x401080 _adj_fpatan
0x401084 None
0x401088 None
0x40108c __vbaRecUniToAnsi
0x401090 EVENT_SINK_Release
0x401094 _CIsqrt
0x401098 EVENT_SINK_QueryInterface
0x40109c __vbaExceptHandler
0x4010a0 _adj_fprem
0x4010a4 _adj_fdivr_m64
0x4010a8 None
0x4010ac __vbaFPException
0x4010b0 None
0x4010b4 None
0x4010b8 None
0x4010bc _CIlog
0x4010c0 __vbaErrorOverflow
0x4010c4 __vbaFileOpen
0x4010c8 __vbaNew2
0x4010cc _adj_fdiv_m32i
0x4010d0 _adj_fdivr_m32i
0x4010d4 __vbaStrCopy
0x4010d8 __vbaI4Str
0x4010dc __vbaFreeStrList
0x4010e0 _adj_fdivr_m32
0x4010e4 _adj_fdiv_r
0x4010e8 None
0x4010ec None
0x4010f0 __vbaVarTstNe
0x4010f4 __vbaI4Var
0x4010f8 None
0x4010fc __vbaLateMemCall
0x401100 __vbaStrToAnsi
0x401104 __vbaVarDup
0x401108 __vbaRecDestructAnsi
0x40110c __vbaLateMemCallLd
0x401110 _CIatan
0x401114 __vbaStrMove
0x401118 None
0x40111c None
0x401120 _allmul
0x401124 __vbaLateIdSt
0x401128 _CItan
0x40112c _CIexp
0x401130 __vbaFreeStr
0x401134 __vbaFreeObj
EAT(Export Address Table) is none
MSVBVM60.DLL
0x401000 None
0x401004 None
0x401008 _CIcos
0x40100c _adj_fptan
0x401010 __vbaFreeVar
0x401014 __vbaLenBstr
0x401018 __vbaFreeVarList
0x40101c _adj_fdiv_m64
0x401020 __vbaFreeObjList
0x401024 None
0x401028 _adj_fprem1
0x40102c __vbaRecAnsiToUni
0x401030 __vbaSetSystemError
0x401034 __vbaRecDestruct
0x401038 __vbaHresultCheckObj
0x40103c None
0x401040 _adj_fdiv_m32
0x401044 None
0x401048 None
0x40104c __vbaObjSet
0x401050 _adj_fdiv_m16i
0x401054 __vbaObjSetAddref
0x401058 _adj_fdivr_m16i
0x40105c __vbaFpR8
0x401060 _CIsin
0x401064 None
0x401068 __vbaChkstk
0x40106c EVENT_SINK_AddRef
0x401070 None
0x401074 __vbaStrCmp
0x401078 __vbaObjVar
0x40107c DllFunctionCall
0x401080 _adj_fpatan
0x401084 None
0x401088 None
0x40108c __vbaRecUniToAnsi
0x401090 EVENT_SINK_Release
0x401094 _CIsqrt
0x401098 EVENT_SINK_QueryInterface
0x40109c __vbaExceptHandler
0x4010a0 _adj_fprem
0x4010a4 _adj_fdivr_m64
0x4010a8 None
0x4010ac __vbaFPException
0x4010b0 None
0x4010b4 None
0x4010b8 None
0x4010bc _CIlog
0x4010c0 __vbaErrorOverflow
0x4010c4 __vbaFileOpen
0x4010c8 __vbaNew2
0x4010cc _adj_fdiv_m32i
0x4010d0 _adj_fdivr_m32i
0x4010d4 __vbaStrCopy
0x4010d8 __vbaI4Str
0x4010dc __vbaFreeStrList
0x4010e0 _adj_fdivr_m32
0x4010e4 _adj_fdiv_r
0x4010e8 None
0x4010ec None
0x4010f0 __vbaVarTstNe
0x4010f4 __vbaI4Var
0x4010f8 None
0x4010fc __vbaLateMemCall
0x401100 __vbaStrToAnsi
0x401104 __vbaVarDup
0x401108 __vbaRecDestructAnsi
0x40110c __vbaLateMemCallLd
0x401110 _CIatan
0x401114 __vbaStrMove
0x401118 None
0x40111c None
0x401120 _allmul
0x401124 __vbaLateIdSt
0x401128 _CItan
0x40112c _CIexp
0x401130 __vbaFreeStr
0x401134 __vbaFreeObj
EAT(Export Address Table) is none