Report - bossa.exe

WebCam .NET framework(MSIL) PWS DNS KeyLogger AntiDebug AntiVM PE32 PE File .NET EXE
ScreenShot
Created 2024.01.31 16:02 Machine s1_win7_x6401
Filename bossa.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
6
Behavior Score
9.0
ZERO API file : malware
VT API (file) 50 detected (AIDetectMalware, Seraph, malicious, high confidence, score, MSILHeracles, unsafe, Kryptik, Vgcx, Attribute, HighConfidence, AKSS, Artemis, PWSX, zgRAT, MSIL@AI, MSIL2, mbR5XhQCzKPTWS9ZJ0Xy7g, TyphonSteal, feidi, Detected, ai score=83, Eldorado, ZemsilF, Eo0@a0l, GdSda, R002H0CAT24, Gencirc, Static AI, Malicious PE, confidence, 100%)
md5 31118351b8b0db68e9c1bc3ad1da8e7c
sha256 1d72f409f9089ba57b151f5836df00ba70480f1530c67b1a2c81fc9b50b7cbe2
ssdeep 49152:ywoUZ8Cps0BJDmN8wjp+ps8M+1tgVO8jrHWvrYz93513:E0LSNFUps8M+MVvr2zMn
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (18cnts)

Level Description
danger File has been identified by 50 AntiVirus engines on VirusTotal as malicious
danger Executed a process and injected code into it
watch A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations.
watch Allocates execute permission to another process indicative of possible code injection
watch Code injection by writing an executable or DLL to the memory of another process
watch Potential code injection by writing to the memory of another process
watch Resumed a suspended thread in a remote process potentially indicative of process injection
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice One or more potentially interesting buffers were extracted
notice Potentially malicious URLs were found in the process memory dump
notice The binary likely contains encrypted or compressed data indicative of a packer
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 Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (18cnts)

Level Name Description Collection
watch RAT_WebCam Remote Administration toolkit using webcam memory
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice Network_DNS Communications use DNS memory
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (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

Network (0cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?

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