Report - @Stewor.exe

PWS .NET framework RAT Generic Malware UPX OS Processor Check .NET EXE PE32 PE File PE64
ScreenShot
Created 2021.08.01 09:32 Machine s1_win7_x6402
Filename @Stewor.exe
Type PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
4
Behavior Score
9.0
ZERO API file : malware
VT API (file) 29 detected (malicious, high confidence, Bulz, GenericRXOY, Save, Eldorado, Reline, PWSX, CLASSIC, Siggen3, Static AI, Suspicious PE, ai score=88, AgentTesla, score, RedLine, PasswordStealer, ZemsilF, gm0@ayMqSdj, susgen)
md5 250a5f8df1e6ede5f3853add72080308
sha256 1d928c0f640e731208adc0736aca791af0ba7e7dfdad0800d9de2fc968ef0010
ssdeep 1536:Om386AEAV9cBdsTnbmQzE7FQgbueqvauvNyAsduTi1xQeTEGG6WAaoigj:Oi86AdXSaiQzEhdYaulyddbsvEz
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (22cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 29 AntiVirus engines on VirusTotal as malicious
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
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 Drops a binary and executes it
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
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 Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (12cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
info Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info IsPE64 (no description) binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
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)
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (9cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://95.217.159.87:4348/ FI Hetzner Online GmbH 95.217.159.87 clean
https://cdn.discordapp.com/attachments/869637885320658957/869638145543663646/build.exe Unknown 162.159.129.233 clean
https://api.ip.sb/geoip US CLOUDFLARENET 172.67.75.172 clean
cdn.discordapp.com Unknown 162.159.135.233 malware
api.ip.sb US CLOUDFLARENET 104.26.12.31 clean
172.67.75.172 US CLOUDFLARENET 172.67.75.172 clean
162.159.129.233 Unknown 162.159.129.233 malware
80.15.2.105 FR Orange 80.15.2.105 mailcious
95.217.159.87 FI Hetzner Online GmbH 95.217.159.87 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