Report - Upafbvbme.exe

AsyncRAT backdoor PWS .NET framework AgentTesla SMTP KeyLogger AntiDebug AntiVM .NET EXE PE File PE32
ScreenShot
Created 2021.05.04 11:24 Machine s1_win7_x6401
Filename Upafbvbme.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
9.0
ZERO API file : malware
VT API (file) 38 detected (GenericKD, Generic PWS, Hacktool, Lore, TrojanPSW, Stelega, malicious, confidence, TRWG, Attribute, HighConfidence, PWSX, Artemis, S + Troj, Tesla, Static AI, Malicious PE, InvalidSig, plydc, SnakeKeyLogger, 44NHMZ, score, ZemsilF, Vm1@aOTU5ng, ai score=82, NEGASTEAL, DYSHPIG, CLOUD)
md5 386e843ddabe44f203acc35788b5c749
sha256 ff6299f111f535583b9cc7ae47657986e2a8cce1eade0adfb4443aceeca44693
ssdeep 12288:nfBPsb/cjMiTqpSn5CG0ncAjrarTo7skY2XqzB3jn/:JPsb/cAiTeSn5B0DJYk5qzB3j/
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (21cnts)

Level Description
danger File has been identified by 38 AntiVirus engines on VirusTotal as malicious
watch Attempts to identify installed AV products by installation directory
watch Communicates with host for which no DNS query was performed
watch Harvests credentials from local email clients
watch Harvests credentials from local FTP client softwares
watch Harvests information related to installed instant messenger clients
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 Connects to a Dynamic DNS Domain
notice HTTP traffic contains suspicious features which may be indicative of malware related traffic
notice Looks up the external IP address
notice Performs some HTTP requests
notice Potentially malicious URLs were found in the process memory dump
notice Steals private information from local Internet browsers
notice Yara rule detected in process memory
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (17cnts)

Level Name Description Collection
danger Win_Trojan_AgentTesla_IN_Zero Win Trojan AgentTesla binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice KeyLogger Run a KeyLogger memory
notice Network_SMTP_dotNet Communications smtp memory
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerHiding__Active (no description) memory
info DebuggerHiding__Thread (no description) memory
info disable_dep Bypass DEP memory
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (7cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://checkip.dyndns.org/ US DYNDNS 131.186.113.70 clean
https://freegeoip.app/xml/175.208.134.150 US CLOUDFLARENET 104.21.19.200 clean
freegeoip.app US CLOUDFLARENET 172.67.188.154 clean
checkip.dyndns.org US DYNDNS 131.186.113.70 clean
173.75.39.61 US UUNET 173.75.39.61 clean
216.146.43.71 US DYNDNS 216.146.43.71 clean
104.21.19.200 US CLOUDFLARENET 104.21.19.200 clean

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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