MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27abd398afa65df0930d7d4e2c1ba074b0a2a3fda2abc10ba3ae579d1044fa6e. 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 6 File information Comments

SHA256 hash: 27abd398afa65df0930d7d4e2c1ba074b0a2a3fda2abc10ba3ae579d1044fa6e
SHA3-384 hash: 1391eced58d59e76bcafed1da063089010d0a532e42b5aa62f17314bde86138944502f0edab59a4736c93a561e5841f1
SHA1 hash: 85712d8dec2839740f2b816a763de95b5cc621d6
MD5 hash: fa4626c51c9bf6c5fcbcd49a437c1cd1
humanhash: india-foxtrot-mobile-april
File name:27abd398afa65df0930d7d4e2c1ba074b0a2a3fda2abc10ba3ae579d1044fa6e
Download: download sample
Signature AveMariaRAT
File size:1'931'049 bytes
First seen:2020-11-14 18:00:23 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 24576:5NZPj+uKBPOQi/FiQDbGV6eH8tksuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuuul:LZrRVt1bNec8
Threatray 517 similar samples on MalwareBazaar
TLSH 30957C4177690473D6137934664FCA70D522BF6D2B20BACF37B97E0DAA6A38074A7207
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
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 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: 317147 Sample: A3zzMuiZ9u Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 127 Antivirus detection for dropped file 2->127 129 Antivirus / Scanner detection for submitted sample 2->129 131 Multi AV Scanner detection for submitted file 2->131 133 6 other signatures 2->133 13 A3zzMuiZ9u.exe 1 51 2->13         started        16 StikyNot.exe 46 2->16         started        18 SyncHost.exe 2->18         started        20 svchost.exe 2->20         started        process3 signatures4 193 Detected unpacking (changes PE section rights) 13->193 195 Detected unpacking (overwrites its own PE header) 13->195 197 Spreads via windows shares (copies files to share folders) 13->197 211 2 other signatures 13->211 22 A3zzMuiZ9u.exe 1 3 13->22         started        27 diskperf.exe 5 13->27         started        199 Writes to foreign memory regions 16->199 201 Allocates memory in foreign processes 16->201 203 Injects a PE file into a foreign processes 16->203 29 StikyNot.exe 16->29         started        31 diskperf.exe 16->31         started        205 Antivirus detection for dropped file 18->205 207 Machine Learning detection for dropped file 18->207 209 Sample uses process hollowing technique 18->209 33 WerFault.exe 20->33         started        process5 dnsIp6 115 192.168.2.1 unknown unknown 22->115 101 C:\Windows\System\explorer.exe, PE32 22->101 dropped 183 Installs a global keyboard hook 22->183 35 explorer.exe 47 22->35         started        103 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 27->103 dropped 105 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 27->105 dropped 107 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 27->107 dropped 39 StikyNot.exe 46 27->39         started        file7 signatures8 process9 file10 97 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 35->97 dropped 99 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 35->99 dropped 135 Antivirus detection for dropped file 35->135 137 Detected unpacking (creates a PE file in dynamic memory) 35->137 139 Machine Learning detection for dropped file 35->139 147 6 other signatures 35->147 41 explorer.exe 3 17 35->41         started        46 diskperf.exe 35->46         started        141 Detected unpacking (changes PE section rights) 39->141 143 Detected unpacking (overwrites its own PE header) 39->143 145 Spreads via windows shares (copies files to share folders) 39->145 48 StikyNot.exe 39->48         started        50 diskperf.exe 39->50         started        signatures11 process12 dnsIp13 117 vccmd03.googlecode.com 41->117 119 vccmd02.googlecode.com 41->119 121 4 other IPs or domains 41->121 109 C:\Windows\System\spoolsv.exe, PE32 41->109 dropped 111 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 41->111 dropped 185 System process connects to network (likely due to code injection or exploit) 41->185 187 Creates an undocumented autostart registry key 41->187 189 Installs a global keyboard hook 41->189 52 spoolsv.exe 46 41->52         started        55 spoolsv.exe 46 41->55         started        57 spoolsv.exe 46 41->57         started        62 3 other processes 41->62 191 Drops executables to the windows directory (C:\Windows) and starts them 48->191 59 explorer.exe 48->59         started        file14 signatures15 process16 file17 149 Antivirus detection for dropped file 52->149 151 Detected unpacking (changes PE section rights) 52->151 153 Detected unpacking (creates a PE file in dynamic memory) 52->153 167 3 other signatures 52->167 64 spoolsv.exe 52->64         started        68 diskperf.exe 52->68         started        155 Spreads via windows shares (copies files to share folders) 55->155 157 Writes to foreign memory regions 55->157 159 Allocates memory in foreign processes 55->159 70 spoolsv.exe 55->70         started        72 diskperf.exe 55->72         started        161 Injects a PE file into a foreign processes 57->161 74 spoolsv.exe 57->74         started        76 diskperf.exe 57->76         started        113 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 59->113 dropped 163 Sample uses process hollowing technique 59->163 165 Drops executables to the windows directory (C:\Windows) and starts them 62->165 78 spoolsv.exe 62->78         started        80 spoolsv.exe 62->80         started        82 4 other processes 62->82 signatures18 process19 file20 95 C:\Windows\System\svchost.exe, PE32 64->95 dropped 123 Installs a global keyboard hook 64->123 84 svchost.exe 64->84         started        125 Drops executables to the windows directory (C:\Windows) and starts them 70->125 87 svchost.exe 70->87         started        89 svchost.exe 74->89         started        signatures21 process22 signatures23 169 Antivirus detection for dropped file 84->169 171 Detected unpacking (changes PE section rights) 84->171 173 Detected unpacking (overwrites its own PE header) 84->173 175 Machine Learning detection for dropped file 84->175 91 svchost.exe 84->91         started        177 Spreads via windows shares (copies files to share folders) 89->177 179 Sample uses process hollowing technique 89->179 181 Injects a PE file into a foreign processes 89->181 process24 process25 93 WerFault.exe 91->93         started       
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-14 18:01:41 UTC
AV detection:
28 of 29 (96.55%)
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:
27abd398afa65df0930d7d4e2c1ba074b0a2a3fda2abc10ba3ae579d1044fa6e
MD5 hash:
fa4626c51c9bf6c5fcbcd49a437c1cd1
SHA1 hash:
85712d8dec2839740f2b816a763de95b5cc621d6
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: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

Comments