MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8939f7bfa3b5c5afeeab65dc9958edda8dd67f0c1e54f75e9205f0eaf3f8adcd. 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
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SHA256 hash: 8939f7bfa3b5c5afeeab65dc9958edda8dd67f0c1e54f75e9205f0eaf3f8adcd
SHA3-384 hash: 7e271f665793f3fc05d7343cf85ba1555e0253a59ecdd5693035db26a3e9086059b853f1ff27e3f487044a19b6aaadcf
SHA1 hash: 426e1816bd7757d0f84a7c063b31ec6cd342af8c
MD5 hash: bd7ae2c6444503777552e7a9d4e2bf2b
humanhash: mars-artist-snake-undress
File name:8939f7bfa3b5c5afeeab65dc9958edda8dd67f0c1e54f75e9205f0eaf3f8adcd
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'028'623 bytes
First seen:2021-02-28 07:25:37 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 24576:7v97AXmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHw:7v97AXmw4gxeOw46fUbNecCCFbNecr
TLSH 4DE5B0D3B76D46B6D622A0F2D05F1E6251CAFA3E47086E8B1F35F6815493285F2C270B
Reporter JAMESWT_WT
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
672
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8939f7bfa3b5c5afeeab65dc9958edda8dd67f0c1e54f75e9205f0eaf3f8adcd
Verdict:
Malicious activity
Analysis date:
2021-02-28 07:59:06 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7065c8e4-7d1b-414e-a783-8f3c7b81f939

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WarzoneRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/119968/
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Ursu-6793772-0
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Win.Malware.Ursu-6914170-0
Create hunting rule

Win.Malware.Cryptinject-9785242-0
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Win.Trojan.Ulise-9792178-0
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Win.Trojan.Ulise-9792179-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Forced system process termination
Creating a window
Sending a UDP request
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
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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/620759
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Searches for specific processes (likely to inject)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 359373 Sample: RXzbUXVaPQ Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 125 Malicious sample detected (through community Yara rule) 2->125 127 Antivirus detection for dropped file 2->127 129 Antivirus / Scanner detection for submitted sample 2->129 131 7 other signatures 2->131 13 RXzbUXVaPQ.exe 2->13         started        16 wscript.exe 1 2->16         started        18 wscript.exe 2->18         started        20 3 other processes 2->20 process3 dnsIp4 185 Detected unpacking (changes PE section rights) 13->185 187 Detected unpacking (overwrites its own PE header) 13->187 189 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->189 195 3 other signatures 13->195 23 RXzbUXVaPQ.exe 1 51 13->23         started        27 cmd.exe 2 13->27         started        191 Injects code into the Windows Explorer (explorer.exe) 16->191 29 explorer.exe 16->29         started        193 Drops executables to the windows directory (C:\Windows) and starts them 18->193 31 spoolsv.exe 18->31         started        117 127.0.0.1 unknown unknown 20->117 signatures5 process6 file7 103 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 23->103 dropped 105 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 23->105 dropped 149 Spreads via windows shares (copies files to share folders) 23->149 151 Sample is not signed and drops a device driver 23->151 153 Injects a PE file into a foreign processes 23->153 33 RXzbUXVaPQ.exe 1 3 23->33         started        37 diskperf.exe 23->37         started        155 Command shell drops VBS files 27->155 157 Drops VBS files to the startup folder 27->157 39 conhost.exe 27->39         started        159 Tries to detect sandboxes / dynamic malware analysis system (file name check) 29->159 161 Injects code into the Windows Explorer (explorer.exe) 29->161 41 explorer.exe 47 29->41         started        43 cmd.exe 1 29->43         started        163 Sample uses process hollowing technique 31->163 45 cmd.exe 31->45         started        signatures8 process9 file10 93 C:\Windows\System\explorer.exe, PE32 33->93 dropped 133 Installs a global keyboard hook 33->133 47 explorer.exe 33->47         started        95 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 41->95 dropped 135 Injects code into the Windows Explorer (explorer.exe) 41->135 137 Drops executables to the windows directory (C:\Windows) and starts them 41->137 139 Spreads via windows shares (copies files to share folders) 41->139 141 3 other signatures 41->141 50 explorer.exe 41->50         started        52 diskperf.exe 41->52         started        54 conhost.exe 43->54         started        97 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 45->97 dropped 56 conhost.exe 45->56         started        signatures11 process12 signatures13 197 Antivirus detection for dropped file 47->197 199 Detected unpacking (changes PE section rights) 47->199 201 Detected unpacking (creates a PE file in dynamic memory) 47->201 205 7 other signatures 47->205 58 explorer.exe 47 47->58         started        62 cmd.exe 1 47->62         started        203 Installs a global keyboard hook 50->203 process14 file15 107 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 58->107 dropped 109 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 58->109 dropped 179 Injects code into the Windows Explorer (explorer.exe) 58->179 181 Spreads via windows shares (copies files to share folders) 58->181 183 Injects a PE file into a foreign processes 58->183 64 explorer.exe 3 17 58->64         started        69 diskperf.exe 58->69         started        71 conhost.exe 62->71         started        signatures16 process17 dnsIp18 111 vccmd03.googlecode.com 64->111 113 vccmd02.googlecode.com 64->113 115 5 other IPs or domains 64->115 99 C:\Windows\System\spoolsv.exe, PE32 64->99 dropped 101 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 64->101 dropped 143 System process connects to network (likely due to code injection or exploit) 64->143 145 Creates an undocumented autostart registry key 64->145 147 Installs a global keyboard hook 64->147 73 spoolsv.exe 64->73         started        76 spoolsv.exe 64->76         started        78 spoolsv.exe 64->78         started        file19 signatures20 process21 signatures22 165 Antivirus detection for dropped file 73->165 167 Detected unpacking (changes PE section rights) 73->167 169 Detected unpacking (creates a PE file in dynamic memory) 73->169 171 Machine Learning detection for dropped file 73->171 80 spoolsv.exe 73->80         started        83 cmd.exe 73->83         started        173 Tries to detect sandboxes / dynamic malware analysis system (file name check) 76->173 175 Injects a PE file into a foreign processes 76->175 85 spoolsv.exe 76->85         started        87 cmd.exe 76->87         started        177 Sample uses process hollowing technique 78->177 process23 signatures24 119 Spreads via windows shares (copies files to share folders) 80->119 121 Sample uses process hollowing technique 80->121 123 Injects a PE file into a foreign processes 80->123 89 conhost.exe 83->89         started        91 conhost.exe 87->91         started        process25
Detection:
avemaria
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8939f7bfa3b5c5afeeab65dc9958edda8dd67f0c1e54f75e9205f0eaf3f8adcd/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2021-02-27 00:11:37 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=re47pp5dwxc273vlmxojswhn3kg5m7ymdzkpoxusaxyov47yvxgq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat family:xmrig evasion infostealer miner persistence rat
Link:
https://tria.ge/reports/210228-wmvlpqe9ge/
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:
8939f7bfa3b5c5afeeab65dc9958edda8dd67f0c1e54f75e9205f0eaf3f8adcd
MD5 hash:
bd7ae2c6444503777552e7a9d4e2bf2b
SHA1 hash:
426e1816bd7757d0f84a7c063b31ec6cd342af8c
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/a7d89814-f206-4348-9b2e-4ddddcc21b22/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8939f7bfa3b5c5afeeab65dc9958edda8dd67f0c1e54f75e9205f0eaf3f8adcd

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
Create hunting rule
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
Rule name:ave_maria_warzone_rat
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Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Codoso_Gh0st_1
Create hunting rule
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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:MALWARE_Win_AveMaria
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Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Create hunting rule
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:RDPWrap
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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
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/119968/

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