Report - Grey.exe

PWS .NET framework(MSIL) UPX Confuser .NET OS Processor Check .NET EXE PE32 PE File
ScreenShot
Created 2023.06.18 12:15 Machine s1_win7_x6401
Filename Grey.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
7.4
ZERO API file : clean
VT API (file) 55 detected (AIDetectMalware, malicious, high confidence, GenericKDZ, MsilFC, S28986149, RedlineStealer, Save, ZemsilF, hm0@aaCysDd, GenusT, DMQF, Eldorado, Attribute, HighConfidence, RedLine, score, CLASSIC, Reline, AGEN, AMADEY, YXDFLZ, Static AI, Suspicious PE, ai score=89, 107IM90, Detected, R572463, GenericRXVR, unsafe, GdSda, Gencirc, susgen, confidence, 100%)
md5 5d38aede0d5846ef5637db30b43eca60
sha256 b3b8813cad74d4e8e0adb95d2fee5b94f38859ea62ce2f0d4558e279101e8712
ssdeep 1536:uaPcnVHT1K/oA+Jcc+fvPIUM1ibz8VkpzYhWj9JbV7t/ZPCasYgibfbFDKsRD:bPcZZPK3PI11mEsx7BgYgafJlD
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (18cnts)

Level Description
danger File has been identified by 55 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 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 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 (7cnts)

Level Name Description Collection
watch ConfuserEx_Zero Confuser .NET 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 OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)

Network (4cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://api.ip.sb/ip US CLOUDFLARENET 172.67.75.172 clean
api.ip.sb US CLOUDFLARENET 172.67.75.172 clean
104.211.55.2 US MICROSOFT-CORP-MSN-AS-BLOCK 104.211.55.2 clean
172.67.75.172 US CLOUDFLARENET 172.67.75.172 mailcious

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