MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88f8650b61dcaaf57476f94aa9a7e867b79de32cc8ed83d52ce6650f98bb59d4. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AveMariaRAT


Vendor detections: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: 88f8650b61dcaaf57476f94aa9a7e867b79de32cc8ed83d52ce6650f98bb59d4
SHA3-384 hash: dce28eefc4930356e6de88bdeb947b60efbb47def599d305796d84065c2e00943b4f40a0ec519e2f4ae63e9f32f90db8
SHA1 hash: a1755afa6dde4a2f72368b0ba84a7740d3c4e700
MD5 hash: f11d6e2a844f6527f7d7e62f1c021a2b
humanhash: yankee-december-music-autumn
File name:88f8650b61dcaaf57476f94aa9a7e867b79de32cc8ed83d52ce6650f98bb59d4
Download: download sample
Signature AveMariaRAT
File size:1'931'005 bytes
First seen:2020-11-10 11:28:12 UTC
Last seen:2024-07-24 18:30:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:XNUew1+uBElUiXVDflm76HCBtbVkMWQXaPeXpTFjcaQA7W2FeDSIGVH/KIDgDgUx:dquDlw79jVkMP5fQDbGV6eH81kk
TLSH FD959D9272A09433D01BBE76BC0FC2B0656A7D663A00D6DF377A3D1D44BB981645A3B3
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
58
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Unauthorized injection to a system process
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to hide user accounts
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sample uses process hollowing technique
Searches for specific processes (likely to inject)
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Spreads via windows shares (copies files to share folders)
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 313743 Sample: t6kfiU5l54 Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 117 Antivirus detection for dropped file 2->117 119 Antivirus / Scanner detection for submitted sample 2->119 121 Multi AV Scanner detection for submitted file 2->121 123 6 other signatures 2->123 12 t6kfiU5l54.exe 1 51 2->12         started        15 SyncHost.exe 2->15         started        17 StikyNot.exe 46 2->17         started        19 3 other processes 2->19 process3 signatures4 179 Detected unpacking (changes PE section rights) 12->179 181 Detected unpacking (creates a PE file in dynamic memory) 12->181 183 Detected unpacking (overwrites its own PE header) 12->183 199 2 other signatures 12->199 21 t6kfiU5l54.exe 1 3 12->21         started        26 diskperf.exe 5 12->26         started        185 Antivirus detection for dropped file 15->185 187 Machine Learning detection for dropped file 15->187 189 Spreads via windows shares (copies files to share folders) 15->189 191 Sample uses process hollowing technique 15->191 193 Writes to foreign memory regions 17->193 195 Allocates memory in foreign processes 17->195 197 Injects a PE file into a foreign processes 17->197 28 StikyNot.exe 17->28         started        30 diskperf.exe 17->30         started        32 WerFault.exe 19->32         started        process5 dnsIp6 109 192.168.2.1 unknown unknown 21->109 93 C:\Windows\System\explorer.exe, PE32 21->93 dropped 169 Installs a global keyboard hook 21->169 34 explorer.exe 47 21->34         started        95 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 26->95 dropped 97 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 26->97 dropped 99 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 26->99 dropped 101 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 26->101 dropped 38 StikyNot.exe 26->38         started        file7 signatures8 process9 file10 89 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 34->89 dropped 91 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 34->91 dropped 135 Antivirus detection for dropped file 34->135 137 Detected unpacking (creates a PE file in dynamic memory) 34->137 139 Machine Learning detection for dropped file 34->139 147 7 other signatures 34->147 40 explorer.exe 3 17 34->40         started        45 diskperf.exe 34->45         started        141 Multi AV Scanner detection for dropped file 38->141 143 Detected unpacking (changes PE section rights) 38->143 145 Detected unpacking (overwrites its own PE header) 38->145 47 StikyNot.exe 38->47         started        49 diskperf.exe 38->49         started        signatures11 process12 dnsIp13 111 vccmd03.googlecode.com 40->111 113 vccmd02.googlecode.com 40->113 115 4 other IPs or domains 40->115 103 C:\Windows\System\spoolsv.exe, PE32 40->103 dropped 105 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 40->105 dropped 171 System process connects to network (likely due to code injection or exploit) 40->171 173 Creates an undocumented autostart registry key 40->173 175 Installs a global keyboard hook 40->175 51 spoolsv.exe 46 40->51         started        54 spoolsv.exe 46 40->54         started        56 spoolsv.exe 40->56         started        60 2 other processes 40->60 177 Drops executables to the windows directory (C:\Windows) and starts them 47->177 58 explorer.exe 47->58         started        file14 signatures15 process16 signatures17 149 Antivirus detection for dropped file 51->149 151 Detected unpacking (changes PE section rights) 51->151 153 Detected unpacking (creates a PE file in dynamic memory) 51->153 167 3 other signatures 51->167 62 spoolsv.exe 2 51->62         started        66 diskperf.exe 51->66         started        155 Spreads via windows shares (copies files to share folders) 54->155 157 Writes to foreign memory regions 54->157 159 Allocates memory in foreign processes 54->159 68 spoolsv.exe 54->68         started        70 diskperf.exe 54->70         started        161 Drops executables to the windows directory (C:\Windows) and starts them 56->161 163 Injects a PE file into a foreign processes 56->163 72 spoolsv.exe 56->72         started        74 diskperf.exe 56->74         started        165 Sample uses process hollowing technique 58->165 76 spoolsv.exe 60->76         started        78 spoolsv.exe 60->78         started        80 2 other processes 60->80 process18 file19 107 C:\Windows\System\svchost.exe, PE32 62->107 dropped 201 Installs a global keyboard hook 62->201 82 svchost.exe 62->82         started        203 Drops executables to the windows directory (C:\Windows) and starts them 68->203 85 svchost.exe 68->85         started        signatures20 process21 signatures22 125 Antivirus detection for dropped file 82->125 127 Machine Learning detection for dropped file 82->127 129 Spreads via windows shares (copies files to share folders) 82->129 87 svchost.exe 82->87         started        131 Sample uses process hollowing technique 85->131 133 Injects a PE file into a foreign processes 85->133 process23
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-10 11:33:29 UTC
AV detection:
40 of 48 (83.33%)
Threat level:
  2/5
Verdict:
unknown
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
88f8650b61dcaaf57476f94aa9a7e867b79de32cc8ed83d52ce6650f98bb59d4
MD5 hash:
f11d6e2a844f6527f7d7e62f1c021a2b
SHA1 hash:
a1755afa6dde4a2f72368b0ba84a7740d3c4e700
Detections:
win_ave_maria_g0
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:ave_maria_warzone_rat
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Codoso_Gh0st_1
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other

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