Report - PBrowFile17.exe

RAT PWS .NET framework Generic Malware PE File .NET EXE PE32 OS Processor Check
ScreenShot
Created 2021.08.28 17:52 Machine s1_win7_x6401
Filename PBrowFile17.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
10
Behavior Score
14.2
ZERO API file : malware
VT API (file) 33 detected (Reline, malicious, high confidence, GenericKD, Artemis, Unsafe, Save, Confuser, Siggen15, KVMH008, kcloud, Sabsik, 172JQS, score, HeapOverride, ai score=86, Static AI, Malicious PE, PossibleThreat, ZemsilF, iu0@au3ZTSi, confidence, susgen)
md5 84224064f8554bcea55de014d6d8538f
sha256 03cc15c743e103a3597c54ca13d7425978a6305235dacd700a193f5628c312df
ssdeep 1536:oQ88l2pbuet1Ig0iPKA7Pnr9x7MT7uGTFcImAI5jK/zFlzvfn:oh8lOFteL0d7nH6lFcPAwWLTzvfn
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (33cnts)

Level Description
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
danger File has been identified by 33 AntiVirus engines on VirusTotal as malicious
watch Appends a known CryptoMix ransomware file extension to files that have been encrypted
watch Attempts to access Bitcoin/ALTCoin wallets
watch Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Harvests credentials from local FTP client softwares
watch Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
notice A process created a hidden window
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice Creates executable files on the filesystem
notice Creates hidden or system file
notice Drops a binary and executes it
notice Drops an executable to the user AppData folder
notice Executes one or more WMI queries
notice Executes one or more WMI queries which can be used to identify virtual machines
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
notice Queries for potentially installed applications
notice Steals private information from local Internet browsers
notice The binary likely contains encrypted or compressed data indicative of a packer
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info Collects information to fingerprint the system (MachineGuid
info One or more processes crashed
info Queries for the computername
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (11cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (download)
info Is_DotNET_EXE (no description) binaries (download)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (download)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info PE_Header_Zero PE File Signature binaries (download)
info PE_Header_Zero PE File Signature binaries (upload)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (download)

Network (21cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://2no.co/1m32g7 DE Hetzner Online GmbH 88.99.66.31 clean
https://api.ip.sb/geoip US CLOUDFLARENET 104.26.12.31 clean
https://theonlinesportsgroup.net/?user_auth=p7_3 US CLOUDFLARENET 172.67.172.102 clean
https://theonlinesportsgroup.net/?user_auth=p7_2 US CLOUDFLARENET 172.67.172.102 clean
https://theonlinesportsgroup.net/?user_auth=p7_1 US CLOUDFLARENET 172.67.172.102 clean
https://theonlinesportsgroup.net/?user_auth=p7_6 US CLOUDFLARENET 172.67.172.102 clean
https://theonlinesportsgroup.net/?user_auth=p7_5 US CLOUDFLARENET 172.67.172.102 clean
https://theonlinesportsgroup.net/?user_auth=p7_4 US CLOUDFLARENET 172.67.172.102 clean
https://2no.co/1XaQy7 DE Hetzner Online GmbH 88.99.66.31 clean
https://bestinternetstore.xyz/api.php US CLOUDFLARENET 172.67.178.16 clean
download-serv-234116.xyz Unknown clean
theonlinesportsgroup.net US CLOUDFLARENET 104.21.71.245 clean
bestinternetstore.xyz US CLOUDFLARENET 104.21.35.173 clean
api.ip.sb US CLOUDFLARENET 172.67.75.172 clean
2no.co DE Hetzner Online GmbH 88.99.66.31 mailcious
185.177.125.94 NL WorldStream B.V. 185.177.125.94 clean
104.26.12.31 US CLOUDFLARENET 104.26.12.31 clean
88.99.66.31 DE Hetzner Online GmbH 88.99.66.31 mailcious
188.124.36.242 RU OOO Network of data-centers Selectel 188.124.36.242 mailcious
172.67.172.102 US CLOUDFLARENET 172.67.172.102 clean
172.67.178.16 US CLOUDFLARENET 172.67.178.16 clean

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x42a000 _CorExeMain

EAT(Export Address Table) is none



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