MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bcf8ad4abbdaef3a4977ed7897de1f84e5e4f9538db8fd9c5404a6a39335bd5d. 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: bcf8ad4abbdaef3a4977ed7897de1f84e5e4f9538db8fd9c5404a6a39335bd5d
SHA3-384 hash: cbc33537f77ce0cdbad79117eaee7312acf207ef4e16aa6bd38fd659588403c67af5861ac040406beb54f89e07ed6f96
SHA1 hash: 2c4f24b91101704cb4dc45cb49df5f1920b4e4cc
MD5 hash: b78dca9d785d96946326d1b67aa5896e
humanhash: blossom-lima-zulu-beer
File name:bcf8ad4abbdaef3a4977ed7897de1f84e5e4f9538db8fd9c5404a6a39335bd5d
Download: download sample
Signature AveMariaRAT
File size:1'931'164 bytes
First seen:2020-11-15 23:19:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:RsHGxgBuBXgLwhlqL6FBiAv6b7VeVmCbODr9YR5TAPUA7W2FeDSIGVH/KIDgDgUB:R9vu0nNXk7VeVW4sQDbGV6eH81kq
Threatray 827 similar samples on MalwareBazaar
TLSH E495AF4232521467D2332AF54C0FD2E4F5647D3B6AA8FA9B67BA3F148A77410B08F647
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
125
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 detect sleep reduction / modifications
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: 317535 Sample: 1z9lhotFP2 Startdate: 16/11/2020 Architecture: WINDOWS Score: 100 165 Antivirus detection for dropped file 2->165 167 Antivirus / Scanner detection for submitted sample 2->167 169 Multi AV Scanner detection for submitted file 2->169 171 6 other signatures 2->171 12 1z9lhotFP2.exe 1 51 2->12         started        15 StikyNot.exe 46 2->15         started        17 SyncHost.exe 2->17         started        19 5 other processes 2->19 process3 dnsIp4 183 Detected unpacking (changes PE section rights) 12->183 185 Detected unpacking (overwrites its own PE header) 12->185 187 Spreads via windows shares (copies files to share folders) 12->187 203 3 other signatures 12->203 22 1z9lhotFP2.exe 1 3 12->22         started        26 diskperf.exe 5 12->26         started        189 Writes to foreign memory regions 15->189 191 Allocates memory in foreign processes 15->191 193 Injects a PE file into a foreign processes 15->193 28 StikyNot.exe 15->28         started        30 diskperf.exe 15->30         started        195 Antivirus detection for dropped file 17->195 197 Machine Learning detection for dropped file 17->197 199 Sample uses process hollowing technique 17->199 107 127.0.0.1 unknown unknown 19->107 201 Changes security center settings (notifications, updates, antivirus, firewall) 19->201 signatures5 process6 file7 91 C:\Windows\System\explorer.exe, PE32 22->91 dropped 173 Installs a global keyboard hook 22->173 32 explorer.exe 47 22->32         started        93 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 26->93 dropped 95 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 26->95 dropped 97 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 26->97 dropped 36 StikyNot.exe 46 26->36         started        signatures8 process9 file10 87 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 32->87 dropped 89 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 32->89 dropped 129 Antivirus detection for dropped file 32->129 131 Machine Learning detection for dropped file 32->131 133 Injects code into the Windows Explorer (explorer.exe) 32->133 141 5 other signatures 32->141 38 explorer.exe 3 17 32->38         started        43 diskperf.exe 32->43         started        135 Detected unpacking (changes PE section rights) 36->135 137 Detected unpacking (creates a PE file in dynamic memory) 36->137 139 Detected unpacking (overwrites its own PE header) 36->139 143 2 other signatures 36->143 45 StikyNot.exe 36->45         started        47 diskperf.exe 36->47         started        signatures11 process12 dnsIp13 109 vccmd03.googlecode.com 38->109 111 vccmd02.googlecode.com 38->111 113 5 other IPs or domains 38->113 99 C:\Windows\System\spoolsv.exe, PE32 38->99 dropped 101 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 38->101 dropped 175 System process connects to network (likely due to code injection or exploit) 38->175 177 Creates an undocumented autostart registry key 38->177 179 Installs a global keyboard hook 38->179 49 spoolsv.exe 46 38->49         started        52 spoolsv.exe 46 38->52         started        54 spoolsv.exe 46 38->54         started        58 2 other processes 38->58 181 Drops executables to the windows directory (C:\Windows) and starts them 45->181 56 explorer.exe 45->56         started        file14 signatures15 process16 signatures17 145 Antivirus detection for dropped file 49->145 147 Detected unpacking (changes PE section rights) 49->147 149 Detected unpacking (creates a PE file in dynamic memory) 49->149 163 3 other signatures 49->163 60 spoolsv.exe 49->60         started        64 diskperf.exe 49->64         started        151 Spreads via windows shares (copies files to share folders) 52->151 153 Writes to foreign memory regions 52->153 155 Allocates memory in foreign processes 52->155 66 spoolsv.exe 52->66         started        68 diskperf.exe 52->68         started        157 Injects a PE file into a foreign processes 54->157 70 spoolsv.exe 54->70         started        72 diskperf.exe 54->72         started        159 Sample uses process hollowing technique 56->159 161 Drops executables to the windows directory (C:\Windows) and starts them 58->161 74 spoolsv.exe 58->74         started        76 spoolsv.exe 58->76         started        78 2 other processes 58->78 process18 file19 103 C:\Windows\System\svchost.exe, PE32 60->103 dropped 205 Installs a global keyboard hook 60->205 80 svchost.exe 60->80         started        207 Drops executables to the windows directory (C:\Windows) and starts them 66->207 83 svchost.exe 66->83         started        105 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 72->105 dropped signatures20 process21 signatures22 115 Antivirus detection for dropped file 80->115 117 Detected unpacking (changes PE section rights) 80->117 119 Detected unpacking (overwrites its own PE header) 80->119 121 Machine Learning detection for dropped file 80->121 85 svchost.exe 80->85         started        123 Spreads via windows shares (copies files to share folders) 83->123 125 Sample uses process hollowing technique 83->125 127 Injects a PE file into a foreign processes 83->127 process23
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-15 23:22:22 UTC
AV detection:
24 of 28 (85.71%)
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:
bcf8ad4abbdaef3a4977ed7897de1f84e5e4f9538db8fd9c5404a6a39335bd5d
MD5 hash:
b78dca9d785d96946326d1b67aa5896e
SHA1 hash:
2c4f24b91101704cb4dc45cb49df5f1920b4e4cc
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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