Report - s.jar

Generic Malware Malicious Library Admin Tool (Sysinternals etc ...) UPX ZIP Format OS Processor Check PE File DLL PE32
ScreenShot
Created 2024.10.06 18:21 Machine s1_win7_x6403
Filename s.jar
Type Zip archive data, at least v2.0 to extract
AI Score Not founds Behavior Score
7.6
ZERO API file : malware
VT API (file) 18 detected (genericgba, Java, TrojanPSW, Disco, Windows, VulnDriver, WinDivert, a variant of Java, Outbreak, QQPass, QQRob, Xtjl)
md5 f476422a60511cd61f6754728580ce34
sha256 7a11f106c159e995601f6acf7cb5bf9a78f9e766a97eb63502cb9666febc7a6e
ssdeep 393216:Uj2fnuMWx2Y+fTS66Na4CUid5EYa9fL8kE/Yiuyw6iPhRD/IBRsme1eZrWl+9p:CquP2Y/fDCdfElCV/tw6i5qBioKUP
imphash
impfuzzy
  Network IP location

Signature (15cnts)

Level Description
danger Connects to IP addresses that are no longer responding to requests (legitimate services will remain up-and-running usually)
watch Communicates with host for which no DNS query was performed
watch Creates a windows hook that monitors keyboard input (keylogger)
watch File has been identified by 18 AntiVirus engines on VirusTotal as malicious
watch Installs an hook procedure to monitor for mouse events
watch The processes java.exe
notice Allocates read-write-execute memory (usually to unpack itself)
notice Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time)
notice Checks adapter addresses which can be used to detect virtual network interfaces
notice Creates executable files on the filesystem
notice Drops an executable to the user AppData folder
notice Uses Windows utilities for basic Windows functionality
info Checks amount of memory in system
info Checks if process is being debugged by a debugger
info One or more processes crashed

Rules (10cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (download)
watch Admin_Tool_IN_Zero Admin Tool Sysinternals binaries (download)
watch Malicious_Library_Zero Malicious_Library binaries (download)
watch UPX_Zero UPX packed file binaries (download)
info IsDLL (no description) binaries (download)
info IsPE32 (no description) binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (download)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (download)
info zip_file_format ZIP file format binaries (upload)

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
161.97.108.54 DE Contabo GmbH 161.97.108.54 clean

Suricata ids



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