Report - bRbg.exe

Malicious Packer Downloader PE File PE32
ScreenShot
Created 2023.10.31 09:39 Machine s1_win7_x6402
Filename bRbg.exe
Type PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed
AI Score
10
Behavior Score
5.0
ZERO API file : clean
VT API (file) 63 detected (Remcos, Dacic, GenericRI, S31067642, SpywareLyndra, Artemis, Save, malicious, Kryptik, Genus, moderate confidence, Rescoms, score, kakzkh, FKuWrtG2iWT, Emogen, DownLoader46, YXDJ4Z, high, Outbreak, Detected, Eldorado, ZexaF, omGfa4nx3Vpi, ai score=84, unsafe, GdSda, Gencirc, yzloPsMaQAE, Static AI, Malicious PE, susgen, RATX, confidence, 100%)
md5 2f730ad313cf99a13514a37ff64aab61
sha256 56b7b422a1f768b817ce93af8c005db587076d3c619a95a42ad34f572c331b93
ssdeep 3072:0OSI2I7txG68nYrugMZJMfsciIpuKNtrUQlAK3qSjYPS+IAXb3Ixi5eFrgurIlNS:lvG68YrvM80ypnjAedo3qiGUY2ChzI
imphash bc4f8e98d1041d53dd63bfb91ed10d0a
impfuzzy 6:omRgCHWvC365rBJAEoZ/OEGDzyRZr4/b4RUptIKVSZozAhQcY460qtZGvR:omRgYh+ABZG/Dzgr4kYSIAx72ZGJ
  Network IP location

Signature (7cnts)

Level Description
danger Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually)
danger File has been identified by 63 AntiVirus engines on VirusTotal as malicious
watch Creates a windows hook that monitors keyboard input (keylogger)
notice A process attempted to delay the analysis task.
notice Connects to a Dynamic DNS Domain
notice The binary likely contains encrypted or compressed data indicative of a packer
notice The executable is compressed using UPX

Rules (4cnts)

Level Name Description Collection
watch Malicious_Packer_Zero Malicious Packer binaries (upload)
watch Network_Downloader File Downloader binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (3cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
salwanazeeze.duckdns.org GB M247 Ltd 172.111.167.99 mailcious
salwanazeeze.ddns.net Unknown clean
172.111.167.99 GB M247 Ltd 172.111.167.99 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

ADVAPI32.dll
 0x489724 RegCloseKey
GDI32.dll
 0x48972c BitBlt
gdiplus.dll
 0x489734 GdipFree
KERNEL32.DLL
 0x48973c LoadLibraryA
 0x489740 ExitProcess
 0x489744 GetProcAddress
 0x489748 VirtualProtect
ole32.dll
 0x489750 CoGetObject
SHELL32.dll
 0x489758 ExtractIconA
SHLWAPI.dll
 0x489760 StrToIntA
urlmon.dll
 0x489768 URLDownloadToFileW
USER32.dll
 0x489770 DrawIcon
WININET.dll
 0x489778 InternetOpenW
WINMM.dll
 0x489780 waveInOpen
WS2_32.dll
 0x489788 socket

EAT(Export Address Table) is none



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