MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4c71187db82680bd1adde0b74bbd989e67a891d0d2c25463e26abe2eee5e8da6. 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
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SHA256 hash: 4c71187db82680bd1adde0b74bbd989e67a891d0d2c25463e26abe2eee5e8da6
SHA3-384 hash: a24a3c21618fe68b0d19de4a5a48bf48f0e94bdb683c0f471907cf6c94be88c67c34fb91f1de8df3c5889b00641da18f
SHA1 hash: ca5e504bdf5f20a8b212aaa04f6fac583634ea30
MD5 hash: c4999f0cfa114ffd5761bf4b717ebd5e
humanhash: xray-hydrogen-oven-march
File name:4c71187db82680bd1adde0b74bbd989e67a891d0d2c25463e26abe2eee5e8da6
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'024'600 bytes
First seen:2020-11-14 17:49:42 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:eHT7AAmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHj:eHT7AAmw4gxeOw46fUbNecCCFbNecS
Threatray 4'259 similar samples on MalwareBazaar
TLSH 83E5AED2F69B009FD2722471F10F9A10C2E9A93BC205D3AFAB763A8556D31C663C7647
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Upx-48
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

PUA.Win.Packer.Asprotect-3
Create hunting rule

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

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

Win.Malware.Ursu-6914171-0
Create hunting rule

Win.Malware.Cerber-6989221-0
Create hunting rule

Win.Malware.Cryptinject-9785242-0
Create hunting rule

Win.Trojan.Ulise-9792178-0
Create hunting rule

Win.Trojan.Ulise-9792179-0
Create hunting rule

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
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
Forced shutdown of a system process
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
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/536452
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)
Command shell drops VBS files
Contain functionality to detect virtual machines
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
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
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sample uses process hollowing technique
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: 317326 Sample: vRfnUaB7Ne Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 121 Antivirus detection for dropped file 2->121 123 Antivirus / Scanner detection for submitted sample 2->123 125 Multi AV Scanner detection for submitted file 2->125 127 6 other signatures 2->127 13 vRfnUaB7Ne.exe 2->13         started        16 wscript.exe 1 2->16         started        18 svchost.exe 2->18         started        20 7 other processes 2->20 process3 dnsIp4 177 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->177 179 Contain functionality to detect virtual machines 13->179 181 Contains functionality to inject code into remote processes 13->181 187 2 other signatures 13->187 23 vRfnUaB7Ne.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        183 Injects code into the Windows Explorer (explorer.exe) 16->183 28 explorer.exe 16->28         started        185 Changes security center settings (notifications, updates, antivirus, firewall) 18->185 111 127.0.0.1 unknown unknown 20->111 113 192.168.2.1 unknown unknown 20->113 signatures5 process6 signatures7 137 Spreads via windows shares (copies files to share folders) 23->137 139 Writes to foreign memory regions 23->139 141 Allocates memory in foreign processes 23->141 143 Sample is not signed and drops a device driver 23->143 30 vRfnUaB7Ne.exe 1 3 23->30         started        34 diskperf.exe 5 23->34         started        145 Command shell drops VBS files 26->145 147 Drops VBS files to the startup folder 26->147 36 conhost.exe 26->36         started        149 Tries to detect sandboxes / dynamic malware analysis system (file name check) 28->149 151 Injects code into the Windows Explorer (explorer.exe) 28->151 153 Injects a PE file into a foreign processes 28->153 38 explorer.exe 28->38         started        40 cmd.exe 28->40         started        process8 file9 97 C:\Windows\System\explorer.exe, PE32 30->97 dropped 195 Installs a global keyboard hook 30->195 42 explorer.exe 30->42         started        99 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 34->99 dropped 101 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 34->101 dropped 103 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 34->103 dropped 105 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 34->105 dropped 45 StikyNot.exe 34->45         started        197 Injects code into the Windows Explorer (explorer.exe) 38->197 199 Drops executables to the windows directory (C:\Windows) and starts them 38->199 201 Spreads via windows shares (copies files to share folders) 38->201 203 Injects a PE file into a foreign processes 38->203 47 explorer.exe 38->47         started        49 conhost.exe 40->49         started        signatures10 process11 signatures12 165 Antivirus detection for dropped file 42->165 167 Machine Learning detection for dropped file 42->167 169 Tries to detect sandboxes / dynamic malware analysis system (file name check) 42->169 175 2 other signatures 42->175 51 explorer.exe 47 42->51         started        55 cmd.exe 1 42->55         started        171 Injects a PE file into a foreign processes 45->171 57 StikyNot.exe 46 45->57         started        59 cmd.exe 1 45->59         started        173 Installs a global keyboard hook 47->173 process13 file14 91 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 51->91 dropped 93 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 51->93 dropped 129 Injects code into the Windows Explorer (explorer.exe) 51->129 131 Spreads via windows shares (copies files to share folders) 51->131 133 Injects a PE file into a foreign processes 51->133 61 explorer.exe 51->61         started        66 diskperf.exe 51->66         started        68 conhost.exe 55->68         started        135 Sample uses process hollowing technique 57->135 70 conhost.exe 59->70         started        signatures15 process16 dnsIp17 115 vccmd03.googlecode.com 61->115 117 vccmd02.googlecode.com 61->117 119 4 other IPs or domains 61->119 107 C:\Windows\System\spoolsv.exe, PE32 61->107 dropped 109 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 61->109 dropped 205 System process connects to network (likely due to code injection or exploit) 61->205 207 Creates an undocumented autostart registry key 61->207 209 Installs a global keyboard hook 61->209 72 spoolsv.exe 61->72         started        75 spoolsv.exe 61->75         started        file18 signatures19 process20 signatures21 155 Antivirus detection for dropped file 72->155 157 Machine Learning detection for dropped file 72->157 159 Tries to detect sandboxes / dynamic malware analysis system (file name check) 72->159 77 spoolsv.exe 72->77         started        80 cmd.exe 72->80         started        161 Drops executables to the windows directory (C:\Windows) and starts them 75->161 163 Injects a PE file into a foreign processes 75->163 82 spoolsv.exe 75->82         started        84 cmd.exe 75->84         started        process22 file23 189 Spreads via windows shares (copies files to share folders) 77->189 191 Sample uses process hollowing technique 77->191 193 Injects a PE file into a foreign processes 77->193 87 conhost.exe 80->87         started        95 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 84->95 dropped 89 conhost.exe 84->89         started        signatures24 process25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4c71187db82680bd1adde0b74bbd989e67a891d0d2c25463e26abe2eee5e8da6/
Threat name:
Win32.Trojan.Skeeeyah
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 17:50:29 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jryrq7nye2al2gw54c3uxpmytzt2reoq2lbfiy7cnk7c53s6rwta._file
Verdict:
malicious
Similar samples:
03dfe6cedcfce8418e60ff61cd7a730c9ec52c383b2e5ccad5c67d0b1168146d
AveMariaRAT
0954707116de7974c38346f17987886632546664d0933bafd412fb343e408317
AveMariaRAT
32672928863af3e154d0e2cc454c5fd31f217a3bfabc7acff2223bb72a5bbe6f
AveMariaRAT
33a1631c7b9063a39f15b2fde90f874f5657417d7a265fa03b6277b9c907ca33
AveMariaRAT
3591293a05792261840f36bdbff14ca1eb850764d074ee325cfc9c1351d2d1d9
AveMariaRAT
37246203b9cf8a0baac95420921b4d9b31abf33363235b58acbe20d5079f1819
AveMariaRAT
3772ad390ed9afe00625633bcc8b4ef9a3cc4ebd3afcdd17e5bcbc77d6dcf450
AveMariaRAT
97600cbe42f7a08b51c85fcf6084d682b526cd31e6ac041c7e94d92eb01cf96c
AveMariaRAT
a597feb1835307dd3115e535a07ad16544b7950dd1de4e4247bc3bc49f02a487
AveMariaRAT
ff05b5ddbc9d78b2f4507e9e2a16d63cc007584d9cc5e641b41a4a73d96d0c02
AveMariaRAT
+ 4'249 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat upx
Link:
https://tria.ge/reports/201114-yqfrce4hvj/
Behaviour
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
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
UPX packed file
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
4c71187db82680bd1adde0b74bbd989e67a891d0d2c25463e26abe2eee5e8da6
MD5 hash:
c4999f0cfa114ffd5761bf4b717ebd5e
SHA1 hash:
ca5e504bdf5f20a8b212aaa04f6fac583634ea30
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/8b1d0768-91f1-45d2-ad6c-b4e71402f01e/
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
Create hunting rule
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:RDPWrap
Create hunting rule
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:suspicious_packer_section
Create hunting rule
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
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.

  
Delivery method
Other

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