Report - ujunkwerex.exe

RAT Generic Malware UPX Antivirus DNS AntiDebug AntiVM .NET EXE PE32 PE File
ScreenShot
Created 2021.07.01 08:15 Machine s1_win7_x6402
Filename ujunkwerex.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
15.0
ZERO API file : malware
VT API (file) 19 detected (malicious, high confidence, MSILHeracles, confidence, Bulz, Kryptik, Eldorado, Static AI, Suspicious PE, ai score=89, Wacapew, ZemsilCO, km1@aCfzbVii, QVM03)
md5 6fc65c14ff61433c356bfda77e0c6e41
sha256 1feda728feb0187e19e099ddfcb542c608b3ec67149592520c1515bc6d3ada03
ssdeep 3072:RsH8hiUNcplOhMdWZhEVJaSHlmx/YDWDK88g888AhdrZMs25TAkqXeQTbC3PTWSB:RsH8hiUNcplOhMdWZhEVJaSHlmx/YDWc
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (32cnts)

Level Description
danger Executed a process and injected code into it
warning Disables Windows Security features
watch A process attempted to delay the analysis task.
watch Allocates execute permission to another process indicative of possible code injection
watch Attempts to remove evidence of file being downloaded from the Internet
watch Code injection by writing an executable or DLL to the memory of another process
watch Communicates with host for which no DNS query was performed
watch File has been identified by 19 AntiVirus engines on VirusTotal as malicious
watch Installs itself for autorun at Windows startup
watch Looks for the Windows Idle Time to determine the uptime
watch One or more of the buffers contains an embedded PE file
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 The process powershell.exe wrote an executable file to disk
watch Used NtSetContextThread to modify a thread in a remote process indicative of process injection
notice A process created a hidden window
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 Checks whether any human activity is being performed by constantly checking whether the foreground window changed
notice Creates a shortcut to an executable file
notice Creates a suspicious process
notice One or more potentially interesting buffers were extracted
notice Performs some HTTP requests
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 Collects information to fingerprint the system (MachineGuid
info Command line console output was observed
info One or more processes crashed
info Queries for the computername
info Uses Windows APIs to generate a cryptographic key

Rules (26cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Antivirus Contains references to security software binaries (download)
watch UPX_Zero UPX packed file binaries (upload)
notice Network_DNS Communications use DNS memory
info anti_dbg Checks if being debugged memory
info Check_Qemu_Description (no description) memory
info Check_Qemu_DeviceMap (no description) memory
info Check_VBox_Description (no description) memory
info Check_VBox_DeviceMap (no description) memory
info Check_VBox_Guest_Additions (no description) memory
info Check_VBox_VideoDrivers (no description) memory
info Check_VmTools (no description) memory
info Check_VMWare_DeviceMap (no description) 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 vmdetect_misc Following Rule is referenced from AlienVault's Yara rule repository.This rule contains additional processes and driver names. memory
info WMI_VM_Detect Detection of Virtual Appliances through the use of WMI for use of evasion. memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (5cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://kakosidobrosam.gq/liverpool-fc-news/features/steven-gerrard-liverpool-future-dalglish--goal-1235E527CC34D56F5639DB569338CB90.html US CLOUDFLARENET 172.67.180.37 2406 mailcious
https://kakosidobrosam.gq/liverpool-fc-news/features/steven-gerrard-liverpool-future-dalglish--goal-FE44F55B90FB18A2A4452FA478F7245A.html US CLOUDFLARENET 172.67.180.37 2406 mailcious
kakosidobrosam.gq US CLOUDFLARENET 104.21.67.197 mailcious
172.67.180.37 US CLOUDFLARENET 172.67.180.37 mailcious
79.134.225.87 CH Fink Telecom Services 79.134.225.87 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