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Report - dyno.exe

UPX PE File PE32
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ScreenShot
Created 2021.09.07 08:33 Machine s1_win7_x6402
Filename dyno.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score
1
 Behavior Score
5.2
ZERO API file : malware
VT API (file) 28 detected (AIDetect, malware2, malicious, high confidence, GuLoader, FCYD, Unsafe, Save, GenKryptik, ZevbaCO, gm0@a83rcGei, FJYE, Fareit, Krypt, Sabsik, Static AI, Malicious PE, Score, 100%, GdSda, confidence, susgen)
md5 973c74057f1054e07a98170568bb9bc9
sha256 6cbaf335b0737ddf3f782688324856ef573d1978897299461f7a43c8efeaa008
ssdeep 1536:WOnP/aZ4G8qxZCOX9KCtd95ap2S5Ro0HeEtMs3AGVD:fPU4lAZCOX9KCbf9S5RZyo
imphash b35907c8152cbadddd8bc306abc4b99c
impfuzzy 24:n9wwzQwgOSwOVgkyWkxkxMS3YG3Rndrlxr1SxWTcESBS5/FNDzfhwegGmAD+Zxs/:nqwzQwgPwegk0xkxl3YG3Rdhxr1SxWTr
  Network IP location

Signature (10cnts)

Level Description
danger Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually)
warning File has been identified by 28 AntiVirus engines on VirusTotal as malicious
watch Enumerates services
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 Connects to a Dynamic DNS Domain
notice Performs some HTTP requests
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 (3cnts)

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

Network (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://dyn-bin.duckdns.org/remcos_d_fIqfwC80.bin
whois
Unknown 23.146.242.85 clean
dyn-bin.duckdns.org
whois
Unknown 23.146.242.85 clean
d-wave.duckdns.org
whois
US VDI-NETWORK 156.96.119.123 mailcious
156.96.119.123
whois
US VDI-NETWORK 156.96.119.123 mailcious
23.146.242.85
whois
Unknown 23.146.242.85 malware

Suricata ids

ET INFO DYNAMIC_DNS Query to *.duckdns. Domain
ET DROP Spamhaus DROP Listed Traffic Inbound group 16

PE API

IAT(Import Address Table) Library

MSVBVM60.DLL
 0x401000 _CIcos
 0x401004 _adj_fptan
 0x401008 __vbaFreeVar
 0x40100c __vbaStrVarMove
 0x401010 __vbaFreeVarList
 0x401014 _adj_fdiv_m64
 0x401018 __vbaFreeObjList
 0x40101c _adj_fprem1
 0x401020 __vbaStrCat
 0x401024 __vbaSetSystemError
 0x401028 __vbaHresultCheckObj
 0x40102c _adj_fdiv_m32
 0x401030 None
 0x401034 __vbaAryVar
 0x401038 __vbaAryDestruct
 0x40103c None
 0x401040 __vbaObjSet
 0x401044 None
 0x401048 _adj_fdiv_m16i
 0x40104c None
 0x401050 __vbaObjSetAddref
 0x401054 _adj_fdivr_m16i
 0x401058 None
 0x40105c None
 0x401060 None
 0x401064 __vbaFpR8
 0x401068 _CIsin
 0x40106c __vbaChkstk
 0x401070 EVENT_SINK_AddRef
 0x401074 __vbaGenerateBoundsError
 0x401078 __vbaStrCmp
 0x40107c __vbaAryConstruct2
 0x401080 DllFunctionCall
 0x401084 _adj_fpatan
 0x401088 None
 0x40108c EVENT_SINK_Release
 0x401090 _CIsqrt
 0x401094 EVENT_SINK_QueryInterface
 0x401098 __vbaExceptHandler
 0x40109c None
 0x4010a0 _adj_fprem
 0x4010a4 _adj_fdivr_m64
 0x4010a8 __vbaVarErrI4
 0x4010ac __vbaI2Str
 0x4010b0 __vbaFPException
 0x4010b4 _CIlog
 0x4010b8 None
 0x4010bc __vbaErrorOverflow
 0x4010c0 __vbaNew2
 0x4010c4 None
 0x4010c8 _adj_fdiv_m32i
 0x4010cc None
 0x4010d0 _adj_fdivr_m32i
 0x4010d4 __vbaStrCopy
 0x4010d8 __vbaFreeStrList
 0x4010dc _adj_fdivr_m32
 0x4010e0 None
 0x4010e4 _adj_fdiv_r
 0x4010e8 None
 0x4010ec __vbaStrToAnsi
 0x4010f0 None
 0x4010f4 None
 0x4010f8 __vbaFpI4
 0x4010fc _CIatan
 0x401100 __vbaStrMove
 0x401104 __vbaAryCopy
 0x401108 _allmul
 0x40110c _CItan
 0x401110 _CIexp
 0x401114 __vbaFreeObj
 0x401118 __vbaFreeStr

EAT(Export Address Table) is none


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