MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b6d62e7d1c498e90840ce16fee03ec30e10ac218b9836a0e163a3f405b240766. 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 9 File information Comments

SHA256 hash: b6d62e7d1c498e90840ce16fee03ec30e10ac218b9836a0e163a3f405b240766
SHA3-384 hash: 5856b0ed0a10c6e45a5fe75c15896d98c9ac8e4d1f9e5287e22abc7968fa80396d289953588a01ba02aa6719397e718d
SHA1 hash: e04f8c77829e8e20e0e40ac7111a48a4cb271699
MD5 hash: 8c71da2557b1249d9622ea73292a1e36
humanhash: leopard-earth-kansas-fourteen
File name:b6d62e7d1c498e90840ce16fee03ec30e10ac218b9836a0e163a3f405b240766
Download: download sample
Signature AveMariaRAT
File size:3'028'785 bytes
First seen:2021-02-28 07:12:25 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 24576:7v97AXmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHA:7v97AXmw4gxeOw46fUbNecCCFbNecD
Threatray 4'843 similar samples on MalwareBazaar
TLSH F2E5AED5BC3A44A3F2219435C50FB610D3F8F928D5627BBF3F3BB99362961418292A47
Reporter JAMESWT_WT
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b6d62e7d1c498e90840ce16fee03ec30e10ac218b9836a0e163a3f405b240766
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:51:31 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
Running batch commands
Creating a process with a hidden window
Forced system process termination
Sending a custom TCP request
Creating a window
Sending a UDP request
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Launching a process
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
Changes security center settings (notifications, updates, antivirus, firewall)
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 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: 359531 Sample: lTf4CFioK1 Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 134 Malicious sample detected (through community Yara rule) 2->134 136 Antivirus detection for dropped file 2->136 138 Antivirus / Scanner detection for submitted sample 2->138 140 7 other signatures 2->140 12 lTf4CFioK1.exe 2->12         started        15 wscript.exe 1 2->15         started        17 wscript.exe 2->17         started        19 6 other processes 2->19 process3 dnsIp4 166 Detected unpacking (changes PE section rights) 12->166 168 Detected unpacking (creates a PE file in dynamic memory) 12->168 170 Detected unpacking (overwrites its own PE header) 12->170 174 4 other signatures 12->174 22 lTf4CFioK1.exe 1 51 12->22         started        25 cmd.exe 2 12->25         started        27 lTf4CFioK1.exe 15->27         started        29 lTf4CFioK1.exe 17->29         started        106 127.0.0.1 unknown unknown 19->106 172 Changes security center settings (notifications, updates, antivirus, firewall) 19->172 signatures5 process6 signatures7 142 Spreads via windows shares (copies files to share folders) 22->142 144 Writes to foreign memory regions 22->144 146 Allocates memory in foreign processes 22->146 148 Sample is not signed and drops a device driver 22->148 31 lTf4CFioK1.exe 1 3 22->31         started        35 diskperf.exe 5 22->35         started        150 Command shell drops VBS files 25->150 152 Drops VBS files to the startup folder 25->152 37 conhost.exe 25->37         started        154 Tries to detect sandboxes / dynamic malware analysis system (file name check) 27->154 156 Injects a PE file into a foreign processes 27->156 39 lTf4CFioK1.exe 46 27->39         started        41 cmd.exe 1 27->41         started        43 lTf4CFioK1.exe 29->43         started        45 cmd.exe 29->45         started        process8 file9 96 C:\Windows\System\explorer.exe, PE32 31->96 dropped 114 Installs a global keyboard hook 31->114 47 explorer.exe 31->47         started        98 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 35->98 dropped 100 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 35->100 dropped 102 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 35->102 dropped 50 StikyNot.exe 35->50         started        116 Spreads via windows shares (copies files to share folders) 39->116 118 Writes to foreign memory regions 39->118 120 Allocates memory in foreign processes 39->120 52 lTf4CFioK1.exe 39->52         started        54 diskperf.exe 39->54         started        104 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 41->104 dropped 56 conhost.exe 41->56         started        122 Sample uses process hollowing technique 43->122 124 Injects a PE file into a foreign processes 43->124 58 conhost.exe 45->58         started        signatures10 process11 signatures12 188 Antivirus detection for dropped file 47->188 190 Detected unpacking (changes PE section rights) 47->190 192 Detected unpacking (overwrites its own PE header) 47->192 204 3 other signatures 47->204 60 explorer.exe 47 47->60         started        64 cmd.exe 1 47->64         started        194 Detected unpacking (creates a PE file in dynamic memory) 50->194 196 Machine Learning detection for dropped file 50->196 198 Tries to detect sandboxes / dynamic malware analysis system (file name check) 50->198 200 Sample uses process hollowing technique 50->200 66 StikyNot.exe 46 50->66         started        68 cmd.exe 50->68         started        202 Installs a global keyboard hook 52->202 process13 file14 92 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 60->92 dropped 94 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 60->94 dropped 176 Injects code into the Windows Explorer (explorer.exe) 60->176 178 Drops executables to the windows directory (C:\Windows) and starts them 60->178 180 Spreads via windows shares (copies files to share folders) 60->180 186 2 other signatures 60->186 70 explorer.exe 60->70         started        75 diskperf.exe 60->75         started        77 conhost.exe 64->77         started        182 Sample uses process hollowing technique 66->182 184 Injects a PE file into a foreign processes 66->184 79 conhost.exe 68->79         started        signatures15 process16 dnsIp17 108 vccmd03.googlecode.com 70->108 110 vccmd02.googlecode.com 70->110 112 5 other IPs or domains 70->112 86 C:\Windows\System\spoolsv.exe, PE32 70->86 dropped 88 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 70->88 dropped 158 System process connects to network (likely due to code injection or exploit) 70->158 160 Creates an undocumented autostart registry key 70->160 162 Drops executables to the windows directory (C:\Windows) and starts them 70->162 164 Installs a global keyboard hook 70->164 81 spoolsv.exe 70->81         started        90 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 75->90 dropped file18 signatures19 process20 signatures21 126 Antivirus detection for dropped file 81->126 128 Machine Learning detection for dropped file 81->128 130 Tries to detect sandboxes / dynamic malware analysis system (file name check) 81->130 132 2 other signatures 81->132 84 cmd.exe 81->84         started        process22
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2021-02-26 17:10:47 UTC
AV detection:
26 of 28 (92.86%)
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:
b6d62e7d1c498e90840ce16fee03ec30e10ac218b9836a0e163a3f405b240766
MD5 hash:
8c71da2557b1249d9622ea73292a1e36
SHA1 hash:
e04f8c77829e8e20e0e40ac7111a48a4cb271699
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: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: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.

Comments