Report - CHEVIOTTETS.exe

Generic Malware Malicious Library UPX PE File PE32
ScreenShot
Created 2021.11.05 18:26 Machine s1_win7_x6402
Filename CHEVIOTTETS.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
3
Behavior Score
2.0
ZERO API file : clean
VT API (file)
md5 90a26541a81d20d10c82ed61f40942b1
sha256 914c07c7cbbbf9af1325ec04593cc19871c222044d82a3c4e8d8bc837bcd66c4
ssdeep 1536:ST6oGBCDuIPad/OVn0kNB75O8ZjQrnzvA+6:3obugG+n0kNB75O8WX4+6
imphash db5d72a5afeb9ce66c81583f89fe1e70
impfuzzy 48:nhewzxQQwgmlweYsxkxRJCM3YrQnc1MbsxAT8FNIojRhHw1Us/9kSKZx7bDNTSw3:nheGxQQfmlZYsxkxRJCMyQncKwx48FNP
  Network IP location

Signature (6cnts)

Level Description
watch Tries to unhook Windows functions monitored by Cuckoo
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)
info Checks amount of memory in system
info One or more processes crashed
info The file contains an unknown PE resource name possibly indicative of a packer

Rules (5cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Malicious_Library_Zero Malicious_Library 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 None
 0x401004 _CIcos
 0x401008 _adj_fptan
 0x40100c __vbaHresultCheck
 0x401010 __vbaFreeVar
 0x401014 __vbaAryMove
 0x401018 __vbaStrVarMove
 0x40101c __vbaFreeVarList
 0x401020 __vbaEnd
 0x401024 _adj_fdiv_m64
 0x401028 __vbaFreeObjList
 0x40102c _adj_fprem1
 0x401030 __vbaSetSystemError
 0x401034 None
 0x401038 __vbaHresultCheckObj
 0x40103c None
 0x401040 _adj_fdiv_m32
 0x401044 __vbaAryVar
 0x401048 __vbaAryDestruct
 0x40104c __vbaExitProc
 0x401050 None
 0x401054 None
 0x401058 __vbaOnError
 0x40105c __vbaObjSet
 0x401060 None
 0x401064 _adj_fdiv_m16i
 0x401068 _adj_fdivr_m16i
 0x40106c None
 0x401070 None
 0x401074 None
 0x401078 None
 0x40107c _CIsin
 0x401080 __vbaChkstk
 0x401084 None
 0x401088 EVENT_SINK_AddRef
 0x40108c __vbaStrCmp
 0x401090 DllFunctionCall
 0x401094 None
 0x401098 None
 0x40109c _adj_fpatan
 0x4010a0 __vbaLateIdCallLd
 0x4010a4 None
 0x4010a8 __vbaRedim
 0x4010ac EVENT_SINK_Release
 0x4010b0 __vbaUI1I2
 0x4010b4 _CIsqrt
 0x4010b8 EVENT_SINK_QueryInterface
 0x4010bc __vbaExceptHandler
 0x4010c0 None
 0x4010c4 None
 0x4010c8 _adj_fprem
 0x4010cc _adj_fdivr_m64
 0x4010d0 None
 0x4010d4 None
 0x4010d8 None
 0x4010dc __vbaFPException
 0x4010e0 None
 0x4010e4 _CIlog
 0x4010e8 __vbaErrorOverflow
 0x4010ec None
 0x4010f0 __vbaNew2
 0x4010f4 __vbaVar2Vec
 0x4010f8 None
 0x4010fc None
 0x401100 _adj_fdiv_m32i
 0x401104 None
 0x401108 _adj_fdivr_m32i
 0x40110c __vbaStrCopy
 0x401110 __vbaI4Str
 0x401114 __vbaFreeStrList
 0x401118 __vbaDerefAry1
 0x40111c _adj_fdivr_m32
 0x401120 _adj_fdiv_r
 0x401124 None
 0x401128 None
 0x40112c __vbaVarTstNe
 0x401130 __vbaI4Var
 0x401134 None
 0x401138 __vbaStrToAnsi
 0x40113c None
 0x401140 __vbaVarDup
 0x401144 __vbaFpI4
 0x401148 _CIatan
 0x40114c __vbaStrMove
 0x401150 __vbaAryCopy
 0x401154 _allmul
 0x401158 __vbaLateIdSt
 0x40115c None
 0x401160 _CItan
 0x401164 _CIexp
 0x401168 __vbaFreeStr
 0x40116c __vbaFreeObj

EAT(Export Address Table) is none



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