MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 888b237bd0bc2fbd730c03a27d41f37a80535f15d5601c8d2dd4c2483e8baea3. 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: 888b237bd0bc2fbd730c03a27d41f37a80535f15d5601c8d2dd4c2483e8baea3
SHA3-384 hash: baa409ff03ab14c02b68f92ba8ace60238a81ceedd18cb2dec1b20d936ce9559b943960768b72601b8026337b8a798f0
SHA1 hash: 1c90004337b7d70d232cec1d3c4659d66bfdf549
MD5 hash: 0ac0546d33c95f115851b5ea95ff7d99
humanhash: orange-johnny-rugby-snake
File name:888b237bd0bc2fbd730c03a27d41f37a80535f15d5601c8d2dd4c2483e8baea3
Download: download sample
Signature AveMariaRAT
File size:1'930'970 bytes
First seen:2020-11-10 11:29:18 UTC
Last seen:2024-07-24 18:29:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:E0wZY7tHuiAgHfxGQIJHg5RAl6HX3SwoDpFr2cnF2XGTPA7W2FeDSIGVH/KIDgD9:EKA2/QdgYeX3S12SwQDbGV6eH81kw
Threatray 92 similar samples on MalwareBazaar
TLSH 1D959EA2736468B7E42323B0D90FF270B4247D352B50A69B3BEA7E1849D77957263703
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
Sending a UDP request
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
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: 313717 Sample: 7zHHmvcqWf Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 123 Antivirus detection for dropped file 2->123 125 Antivirus / Scanner detection for submitted sample 2->125 127 Multi AV Scanner detection for submitted file 2->127 129 6 other signatures 2->129 13 7zHHmvcqWf.exe 1 51 2->13         started        17 StikyNot.exe 46 2->17         started        19 StikyNot.exe 2->19         started        21 4 other processes 2->21 process3 file4 105 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 13->105 dropped 107 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 13->107 dropped 179 Detected unpacking (changes PE section rights) 13->179 181 Detected unpacking (overwrites its own PE header) 13->181 183 Spreads via windows shares (copies files to share folders) 13->183 197 2 other signatures 13->197 23 7zHHmvcqWf.exe 1 3 13->23         started        27 diskperf.exe 13->27         started        185 Antivirus detection for dropped file 17->185 187 Detected unpacking (creates a PE file in dynamic memory) 17->187 189 Machine Learning detection for dropped file 17->189 29 StikyNot.exe 17->29         started        31 diskperf.exe 17->31         started        191 Writes to foreign memory regions 19->191 193 Allocates memory in foreign processes 19->193 195 Injects a PE file into a foreign processes 19->195 33 StikyNot.exe 19->33         started        35 diskperf.exe 19->35         started        37 WerFault.exe 21->37         started        signatures5 process6 file7 99 C:\Windows\System\explorer.exe, PE32 23->99 dropped 163 Installs a global keyboard hook 23->163 39 explorer.exe 47 23->39         started        43 explorer.exe 29->43         started        signatures8 process9 file10 101 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 39->101 dropped 103 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 39->103 dropped 165 Antivirus detection for dropped file 39->165 167 Detected unpacking (changes PE section rights) 39->167 169 Detected unpacking (creates a PE file in dynamic memory) 39->169 177 7 other signatures 39->177 45 explorer.exe 3 17 39->45         started        50 diskperf.exe 39->50         started        171 Injects code into the Windows Explorer (explorer.exe) 43->171 173 Drops executables to the windows directory (C:\Windows) and starts them 43->173 175 Spreads via windows shares (copies files to share folders) 43->175 52 explorer.exe 43->52         started        signatures11 process12 dnsIp13 113 vccmd03.googlecode.com 45->113 115 vccmd02.googlecode.com 45->115 117 5 other IPs or domains 45->117 109 C:\Windows\System\spoolsv.exe, PE32 45->109 dropped 111 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 45->111 dropped 199 System process connects to network (likely due to code injection or exploit) 45->199 201 Creates an undocumented autostart registry key 45->201 203 Installs a global keyboard hook 45->203 54 spoolsv.exe 47 45->54         started        58 spoolsv.exe 46 45->58         started        60 spoolsv.exe 46 45->60         started        62 2 other processes 45->62 file14 signatures15 process16 file17 97 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 54->97 dropped 145 Antivirus detection for dropped file 54->145 147 Detected unpacking (changes PE section rights) 54->147 149 Detected unpacking (creates a PE file in dynamic memory) 54->149 161 3 other signatures 54->161 64 spoolsv.exe 2 54->64         started        68 diskperf.exe 54->68         started        151 Spreads via windows shares (copies files to share folders) 58->151 153 Writes to foreign memory regions 58->153 155 Allocates memory in foreign processes 58->155 70 spoolsv.exe 58->70         started        72 diskperf.exe 58->72         started        157 Drops executables to the windows directory (C:\Windows) and starts them 60->157 159 Injects a PE file into a foreign processes 60->159 74 spoolsv.exe 60->74         started        76 diskperf.exe 60->76         started        78 spoolsv.exe 62->78         started        80 spoolsv.exe 62->80         started        82 2 other processes 62->82 signatures18 process19 file20 95 C:\Windows\System\svchost.exe, PE32 64->95 dropped 119 Installs a global keyboard hook 64->119 84 svchost.exe 64->84         started        121 Drops executables to the windows directory (C:\Windows) and starts them 70->121 87 svchost.exe 70->87         started        signatures21 process22 signatures23 131 Antivirus detection for dropped file 84->131 133 Detected unpacking (changes PE section rights) 84->133 135 Detected unpacking (overwrites its own PE header) 84->135 137 Machine Learning detection for dropped file 84->137 89 svchost.exe 84->89         started        91 diskperf.exe 84->91         started        139 Spreads via windows shares (copies files to share folders) 87->139 141 Sample uses process hollowing technique 87->141 143 Injects a PE file into a foreign processes 87->143 process24 process25 93 WerFault.exe 89->93         started       
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-11 00:04:30 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: 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:
888b237bd0bc2fbd730c03a27d41f37a80535f15d5601c8d2dd4c2483e8baea3
MD5 hash:
0ac0546d33c95f115851b5ea95ff7d99
SHA1 hash:
1c90004337b7d70d232cec1d3c4659d66bfdf549
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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