MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b170f274bac39da4a56ace442a306953d2b2eb143df19bffa1f8925be3263faa. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments

SHA256 hash: b170f274bac39da4a56ace442a306953d2b2eb143df19bffa1f8925be3263faa
SHA3-384 hash: 5a09085920122bcfaacc44ec7d191b8e14134e2921e3957616d13179a38c55cd0d820f2e011cc7979a6445df10421f23
SHA1 hash: 5c707539f67f1260e8b411213d77e3acd15e4458
MD5 hash: bcc178edc5b5bccccf601e9806d7c742
humanhash: april-ink-earth-saturn
File name:b170f274bac39da4a56ace442a306953d2b2eb143df19bffa1f8925be3263faa
Download: download sample
Signature AveMariaRAT
File size:3'028'611 bytes
First seen:2021-02-28 07:25:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:7v97AXmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHV:7v97AXmw4gxeOw46fUbNecCCFbNecq
Threatray 1'308 similar samples on MalwareBazaar
TLSH 63E59FD376758057D327A931748F368295CFFC3A97809B6ABF2E66C4D06B149C2B2207
Reporter JAMESWT_WT
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
671
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b170f274bac39da4a56ace442a306953d2b2eb143df19bffa1f8925be3263faa
Verdict:
Malicious activity
Analysis date:
2021-02-28 08:10:57 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Running batch commands
Creating a process with a hidden window
Forced system process termination
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
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
Command shell drops VBS files
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
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
Drops VBS files to the startup folder
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
Malicious sample detected (through community Yara rule)
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
Sigma detected: Drops script at startup location
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)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359374 Sample: U7QPTnNC6M Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 124 Malicious sample detected (through community Yara rule) 2->124 126 Antivirus detection for dropped file 2->126 128 Antivirus / Scanner detection for submitted sample 2->128 130 7 other signatures 2->130 13 U7QPTnNC6M.exe 2->13         started        16 wscript.exe 1 2->16         started        18 svchost.exe 1 2->18         started        20 2 other processes 2->20 process3 signatures4 194 Detected unpacking (changes PE section rights) 13->194 196 Detected unpacking (creates a PE file in dynamic memory) 13->196 198 Detected unpacking (overwrites its own PE header) 13->198 200 4 other signatures 13->200 22 U7QPTnNC6M.exe 1 51 13->22         started        25 cmd.exe 2 13->25         started        27 StikyNot.exe 16->27         started        process5 signatures6 148 Spreads via windows shares (copies files to share folders) 22->148 150 Writes to foreign memory regions 22->150 152 Allocates memory in foreign processes 22->152 154 Sample is not signed and drops a device driver 22->154 29 U7QPTnNC6M.exe 1 3 22->29         started        34 diskperf.exe 5 22->34         started        156 Command shell drops VBS files 25->156 158 Drops VBS files to the startup folder 25->158 36 conhost.exe 25->36         started        160 Tries to detect sandboxes / dynamic malware analysis system (file name check) 27->160 162 Injects a PE file into a foreign processes 27->162 38 StikyNot.exe 27->38         started        40 cmd.exe 27->40         started        process7 dnsIp8 122 192.168.2.1 unknown unknown 29->122 104 C:\Windows\System\explorer.exe, PE32 29->104 dropped 210 Installs a global keyboard hook 29->210 42 explorer.exe 29->42         started        106 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 34->106 dropped 108 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 34->108 dropped 110 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 34->110 dropped 112 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 34->112 dropped 45 StikyNot.exe 34->45         started        212 Spreads via windows shares (copies files to share folders) 38->212 214 Sample uses process hollowing technique 38->214 216 Injects a PE file into a foreign processes 38->216 114 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 40->114 dropped 47 conhost.exe 40->47         started        file9 signatures10 process11 signatures12 164 Antivirus detection for dropped file 42->164 166 Detected unpacking (changes PE section rights) 42->166 168 Detected unpacking (creates a PE file in dynamic memory) 42->168 176 4 other signatures 42->176 49 explorer.exe 47 42->49         started        53 cmd.exe 1 42->53         started        170 Multi AV Scanner detection for dropped file 45->170 172 Detected unpacking (overwrites its own PE header) 45->172 174 Machine Learning detection for dropped file 45->174 55 StikyNot.exe 46 45->55         started        57 cmd.exe 1 45->57         started        process13 file14 96 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 49->96 dropped 98 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 49->98 dropped 132 Injects code into the Windows Explorer (explorer.exe) 49->132 134 Spreads via windows shares (copies files to share folders) 49->134 136 Writes to foreign memory regions 49->136 59 explorer.exe 3 17 49->59         started        64 diskperf.exe 49->64         started        66 conhost.exe 53->66         started        138 Allocates memory in foreign processes 55->138 140 Injects a PE file into a foreign processes 55->140 68 StikyNot.exe 55->68         started        70 diskperf.exe 55->70         started        72 conhost.exe 57->72         started        signatures15 process16 dnsIp17 116 vccmd03.googlecode.com 59->116 118 vccmd02.googlecode.com 59->118 120 4 other IPs or domains 59->120 100 C:\Windows\System\spoolsv.exe, PE32 59->100 dropped 102 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 59->102 dropped 202 System process connects to network (likely due to code injection or exploit) 59->202 204 Creates an undocumented autostart registry key 59->204 206 Installs a global keyboard hook 59->206 74 spoolsv.exe 59->74         started        77 spoolsv.exe 59->77         started        79 spoolsv.exe 59->79         started        208 Drops executables to the windows directory (C:\Windows) and starts them 68->208 81 explorer.exe 68->81         started        file18 signatures19 process20 signatures21 178 Antivirus detection for dropped file 74->178 180 Detected unpacking (changes PE section rights) 74->180 182 Detected unpacking (creates a PE file in dynamic memory) 74->182 184 Machine Learning detection for dropped file 74->184 83 spoolsv.exe 74->83         started        86 cmd.exe 74->86         started        186 Tries to detect sandboxes / dynamic malware analysis system (file name check) 77->186 188 Drops executables to the windows directory (C:\Windows) and starts them 77->188 190 Injects a PE file into a foreign processes 77->190 88 spoolsv.exe 77->88         started        90 cmd.exe 77->90         started        192 Sample uses process hollowing technique 81->192 process22 signatures23 142 Spreads via windows shares (copies files to share folders) 83->142 144 Sample uses process hollowing technique 83->144 146 Injects a PE file into a foreign processes 83->146 92 conhost.exe 86->92         started        94 conhost.exe 90->94         started        process24
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2021-02-26 21:34:05 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:warzonerat family:xmrig evasion infostealer miner persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
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
xmrig
Unpacked files
SH256 hash:
b170f274bac39da4a56ace442a306953d2b2eb143df19bffa1f8925be3263faa
MD5 hash:
bcc178edc5b5bccccf601e9806d7c742
SHA1 hash:
5c707539f67f1260e8b411213d77e3acd15e4458
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:AveMaria
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
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:INDICATOR_EXE_Packed_ASPack
Author:ditekSHen
Description:Detects executables packed with ASPack
Rule name:MALWARE_Win_AveMaria
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
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.

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