Report - dyno.exe

Gorgon Group Generic Malware UPX PE File PE32
ScreenShot
Created 2021.08.24 17:19 Machine s1_win7_x6401
Filename dyno.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows
AI Score Not founds Behavior Score
5.0
ZERO API file : malware
VT API (file) 13 detected (AIDetect, malware1, malicious, high confidence, confidence, Attribute, HighConfidence, GenKryptik, FJKT, Razy, Static AI, Suspicious PE, score, Unsafe, ZevbaF, hm0@aWl78ypO)
md5 256876a198e1b3f8e579ab00a4615e73
sha256 f5502d660f4b1f1110b7ba4fd0eab36ec5b44ff97c12b146a48ff8e38efa4745
ssdeep 1536:xjHslPpuCTL13mdJlU25vO5l5b9bBIb49RVxFMy/Y5SqYzAtnRGfa8ethrYUVDV7:quK13y5lW51BM4p/QtRGC7hrY+VEosW
imphash c65aff2bab39ef464a2bad0c06b18bd1
impfuzzy 48:nqrGwzxQQwgPwUTwkHRxO3uel3NhCxr1SxEZ30EIA5lFNjlGjJHxkepwZyTSwpw8:nqrGGxQQfPbTwkHRxO+Q9hCxrwxEZkEg
  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)
watch Enumerates services
watch File has been identified by 13 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)
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 (5cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
warning Gorgon_Group_IN Gorgon Group 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 (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://d-bins.duckdns.org/remcos_d_fIqfwC80.bin Unknown 23.146.242.94 clean
d-wave.duckdns.org US VDI-NETWORK 156.96.119.123 clean
d-bins.duckdns.org Unknown 23.146.242.94 clean
156.96.119.123 US VDI-NETWORK 156.96.119.123 clean
23.146.242.94 Unknown 23.146.242.94 malware

Suricata ids

PE API

IAT(Import Address Table) Library

MSVBVM60.DLL
 0x401000 _CIcos
 0x401004 _adj_fptan
 0x401008 __vbaVarMove
 0x40100c None
 0x401010 __vbaFreeVar
 0x401014 __vbaAryMove
 0x401018 __vbaStrVarMove
 0x40101c __vbaFreeVarList
 0x401020 _adj_fdiv_m64
 0x401024 __vbaFreeObjList
 0x401028 None
 0x40102c _adj_fprem1
 0x401030 __vbaRecAnsiToUni
 0x401034 None
 0x401038 None
 0x40103c __vbaSetSystemError
 0x401040 __vbaHresultCheckObj
 0x401044 __vbaLenBstrB
 0x401048 None
 0x40104c _adj_fdiv_m32
 0x401050 None
 0x401054 __vbaAryDestruct
 0x401058 None
 0x40105c __vbaObjSet
 0x401060 __vbaOnError
 0x401064 None
 0x401068 _adj_fdiv_m16i
 0x40106c __vbaObjSetAddref
 0x401070 _adj_fdivr_m16i
 0x401074 None
 0x401078 __vbaFpR8
 0x40107c _CIsin
 0x401080 __vbaErase
 0x401084 None
 0x401088 __vbaChkstk
 0x40108c EVENT_SINK_AddRef
 0x401090 __vbaGenerateBoundsError
 0x401094 __vbaStrCmp
 0x401098 __vbaAryConstruct2
 0x40109c None
 0x4010a0 __vbaI2I4
 0x4010a4 __vbaObjVar
 0x4010a8 None
 0x4010ac DllFunctionCall
 0x4010b0 _adj_fpatan
 0x4010b4 None
 0x4010b8 None
 0x4010bc __vbaRedim
 0x4010c0 __vbaRecUniToAnsi
 0x4010c4 EVENT_SINK_Release
 0x4010c8 None
 0x4010cc __vbaUI1I2
 0x4010d0 _CIsqrt
 0x4010d4 EVENT_SINK_QueryInterface
 0x4010d8 None
 0x4010dc __vbaExceptHandler
 0x4010e0 _adj_fprem
 0x4010e4 _adj_fdivr_m64
 0x4010e8 __vbaFPException
 0x4010ec None
 0x4010f0 __vbaStrVarVal
 0x4010f4 None
 0x4010f8 None
 0x4010fc _CIlog
 0x401100 __vbaErrorOverflow
 0x401104 None
 0x401108 None
 0x40110c __vbaNew2
 0x401110 __vbaVar2Vec
 0x401114 None
 0x401118 None
 0x40111c _adj_fdiv_m32i
 0x401120 _adj_fdivr_m32i
 0x401124 __vbaStrCopy
 0x401128 None
 0x40112c _adj_fdivr_m32
 0x401130 _adj_fdiv_r
 0x401134 None
 0x401138 None
 0x40113c __vbaVarTstNe
 0x401140 None
 0x401144 None
 0x401148 __vbaVarDup
 0x40114c None
 0x401150 __vbaFpI4
 0x401154 None
 0x401158 _CIatan
 0x40115c __vbaStrMove
 0x401160 __vbaCastObj
 0x401164 None
 0x401168 _allmul
 0x40116c _CItan
 0x401170 None
 0x401174 _CIexp
 0x401178 __vbaFreeStr
 0x40117c __vbaFreeObj

EAT(Export Address Table) is none



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