MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5d558f967a5c898628263634fdf19a1aa7b2753348f88b958ac470da969f98c. 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: 9


Intelligence 9 IOCs YARA 7 File information Comments

SHA256 hash: a5d558f967a5c898628263634fdf19a1aa7b2753348f88b958ac470da969f98c
SHA3-384 hash: 33ab2d8b9b07466a949a69adb2d3a38c537ec09cc275946091513e3171bf93e32e13d6b59566acc68c0c381219c36ca8
SHA1 hash: 919ea2b4167bf9fa7d21514f25f1fc3eb1bd8d80
MD5 hash: 0d52c00c066f8688850ccdd5b2688941
humanhash: fifteen-six-dakota-asparagus
File name:a5d558f967a5c898628263634fdf19a1aa7b2753348f88b958ac470da969f98c
Download: download sample
Signature AveMariaRAT
File size:1'931'107 bytes
First seen:2020-11-14 17:52:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:l6PRfBDkVuM+9rYemVDIX7COttPlddW+s1rOvBJCjv1AA7W2FeDSIGVH/KIDgDg9:lmpVnkNybTlddFLuQDbGV6eH81kf
Threatray 17 similar samples on MalwareBazaar
TLSH 13957D217691106BC9132BB1F84FE2705C68FD551A05D39A3BA72F0D49E73A7B0E13AB
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
66
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
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
Forced shutdown of a system process
Creating a file in the mass storage device
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)
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 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: 317269 Sample: uEbDcmCsg8 Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 155 Antivirus detection for dropped file 2->155 157 Antivirus / Scanner detection for submitted sample 2->157 159 Multi AV Scanner detection for submitted file 2->159 161 6 other signatures 2->161 11 uEbDcmCsg8.exe 1 51 2->11         started        14 SyncHost.exe 2->14         started        16 StikyNot.exe 2->16         started        18 6 other processes 2->18 process3 dnsIp4 173 Detected unpacking (changes PE section rights) 11->173 175 Detected unpacking (creates a PE file in dynamic memory) 11->175 177 Detected unpacking (overwrites its own PE header) 11->177 195 2 other signatures 11->195 21 uEbDcmCsg8.exe 1 3 11->21         started        26 diskperf.exe 5 11->26         started        179 Antivirus detection for dropped file 14->179 181 Machine Learning detection for dropped file 14->181 183 Spreads via windows shares (copies files to share folders) 14->183 185 Sample uses process hollowing technique 14->185 187 Writes to foreign memory regions 16->187 189 Allocates memory in foreign processes 16->189 191 Injects a PE file into a foreign processes 16->191 28 StikyNot.exe 16->28         started        30 diskperf.exe 16->30         started        103 127.0.0.1 unknown unknown 18->103 193 Changes security center settings (notifications, updates, antivirus, firewall) 18->193 signatures5 process6 dnsIp7 105 192.168.2.1 unknown unknown 21->105 87 C:\Windows\System\explorer.exe, PE32 21->87 dropped 163 Installs a global keyboard hook 21->163 32 explorer.exe 47 21->32         started        89 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 26->89 dropped 91 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 26->91 dropped 93 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 26->93 dropped 36 StikyNot.exe 46 26->36         started        file8 signatures9 process10 file11 83 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 32->83 dropped 85 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 32->85 dropped 121 Antivirus detection for dropped file 32->121 123 Detected unpacking (creates a PE file in dynamic memory) 32->123 125 Machine Learning detection for dropped file 32->125 133 6 other signatures 32->133 38 explorer.exe 3 17 32->38         started        43 diskperf.exe 32->43         started        127 Detected unpacking (changes PE section rights) 36->127 129 Detected unpacking (overwrites its own PE header) 36->129 131 Spreads via windows shares (copies files to share folders) 36->131 45 StikyNot.exe 36->45         started        47 diskperf.exe 36->47         started        signatures12 process13 dnsIp14 107 vccmd03.googlecode.com 38->107 109 vccmd02.googlecode.com 38->109 111 4 other IPs or domains 38->111 95 C:\Windows\System\spoolsv.exe, PE32 38->95 dropped 97 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 38->97 dropped 165 System process connects to network (likely due to code injection or exploit) 38->165 167 Creates an undocumented autostart registry key 38->167 169 Installs a global keyboard hook 38->169 49 spoolsv.exe 46 38->49         started        52 spoolsv.exe 46 38->52         started        54 spoolsv.exe 38->54         started        58 3 other processes 38->58 99 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 43->99 dropped 171 Drops executables to the windows directory (C:\Windows) and starts them 45->171 56 explorer.exe 45->56         started        file15 signatures16 process17 signatures18 135 Antivirus detection for dropped file 49->135 137 Detected unpacking (changes PE section rights) 49->137 139 Detected unpacking (creates a PE file in dynamic memory) 49->139 153 3 other signatures 49->153 60 spoolsv.exe 49->60         started        64 diskperf.exe 49->64         started        141 Spreads via windows shares (copies files to share folders) 52->141 143 Writes to foreign memory regions 52->143 145 Allocates memory in foreign processes 52->145 66 spoolsv.exe 52->66         started        68 diskperf.exe 52->68         started        147 Injects a PE file into a foreign processes 54->147 70 spoolsv.exe 54->70         started        72 diskperf.exe 54->72         started        149 Sample uses process hollowing technique 56->149 151 Drops executables to the windows directory (C:\Windows) and starts them 58->151 74 spoolsv.exe 58->74         started        76 spoolsv.exe 58->76         started        78 2 other processes 58->78 process19 file20 101 C:\Windows\System\svchost.exe, PE32 60->101 dropped 197 Drops executables to the windows directory (C:\Windows) and starts them 60->197 199 Installs a global keyboard hook 60->199 80 svchost.exe 60->80         started        signatures21 process22 signatures23 113 Antivirus detection for dropped file 80->113 115 Machine Learning detection for dropped file 80->115 117 Spreads via windows shares (copies files to share folders) 80->117 119 2 other signatures 80->119
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-14 17:53:20 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
a5d558f967a5c898628263634fdf19a1aa7b2753348f88b958ac470da969f98c
MD5 hash:
0d52c00c066f8688850ccdd5b2688941
SHA1 hash:
919ea2b4167bf9fa7d21514f25f1fc3eb1bd8d80
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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