MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c4b2d4fe115f346e15f3e05d3306a4c8c7cac62ade5208bb887a05043ad28d08. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
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SHA256 hash: c4b2d4fe115f346e15f3e05d3306a4c8c7cac62ade5208bb887a05043ad28d08
SHA3-384 hash: ea1fc884c878088e9292fba27cdd4a67c9569280ca26e77254f4027d23e626d6a365ad112cc991e3fca01db311e47c23
SHA1 hash: e03247898022de392dc249d324e8d2add0009b4a
MD5 hash: 7aec1ad171fe924024e16f632c2fb198
humanhash: fix-alanine-thirteen-north
File name:c4b2d4fe115f346e15f3e05d3306a4c8c7cac62ade5208bb887a05043ad28d08
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'015'363 bytes
First seen:2020-11-14 18:28:54 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:GYj7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eH2:GYj7A3mw4gxeOw46fUbNecCCFbNecx
Threatray 4'486 similar samples on MalwareBazaar
TLSH DDD5BFD7ED9A0073C39BA4B6700F222386847E36E741B7EF3B67695544830D6AA53783
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.Ep-7
Create hunting rule

PUA.Win.Packer.Embedpe-3
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
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/535106
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
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
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: 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)
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: 316652 Sample: SmZw126UXl 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 7 other signatures 2->127 13 SmZw126UXl.exe 2->13         started        16 svchost.exe 2->16         started        18 svchost.exe 9 1 2->18         started        21 5 other processes 2->21 process3 dnsIp4 187 Detected unpacking (changes PE section rights) 13->187 189 Detected unpacking (overwrites its own PE header) 13->189 191 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->191 195 3 other signatures 13->195 23 SmZw126UXl.exe 1 51 13->23         started        27 cmd.exe 2 13->27         started        29 svchost.exe 13->29         started        193 Changes security center settings (notifications, updates, antivirus, firewall) 16->193 117 127.0.0.1 unknown unknown 18->117 signatures5 process6 file7 99 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 23->99 dropped 101 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 23->101 dropped 151 Spreads via windows shares (copies files to share folders) 23->151 153 Sample is not signed and drops a device driver 23->153 155 Injects a PE file into a foreign processes 23->155 31 SmZw126UXl.exe 1 3 23->31         started        35 diskperf.exe 23->35         started        157 Command shell drops VBS files 27->157 159 Drops VBS files to the startup folder 27->159 37 conhost.exe 27->37         started        signatures8 process9 file10 109 C:\Windows\System\explorer.exe, PE32 31->109 dropped 119 Installs a global keyboard hook 31->119 39 explorer.exe 31->39         started        signatures11 process12 signatures13 143 Antivirus detection for dropped file 39->143 145 Detected unpacking (changes PE section rights) 39->145 147 Detected unpacking (creates a PE file in dynamic memory) 39->147 149 7 other signatures 39->149 42 explorer.exe 47 39->42         started        46 cmd.exe 1 39->46         started        process14 file15 103 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 42->103 dropped 105 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 42->105 dropped 179 Injects code into the Windows Explorer (explorer.exe) 42->179 181 Drops executables to the windows directory (C:\Windows) and starts them 42->181 183 Spreads via windows shares (copies files to share folders) 42->183 185 3 other signatures 42->185 48 explorer.exe 3 17 42->48         started        53 diskperf.exe 1 42->53         started        55 conhost.exe 46->55         started        signatures16 process17 dnsIp18 111 vccmd02.googlecode.com 48->111 113 vccmd01.googlecode.com 48->113 115 2 other IPs or domains 48->115 93 C:\Windows\System\spoolsv.exe, PE32 48->93 dropped 95 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 48->95 dropped 129 System process connects to network (likely due to code injection or exploit) 48->129 131 Creates an undocumented autostart registry key 48->131 133 Installs a global keyboard hook 48->133 57 spoolsv.exe 48->57         started        60 spoolsv.exe 48->60         started        62 spoolsv.exe 48->62         started        97 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 53->97 dropped 64 StikyNot.exe 53->64         started        file19 signatures20 process21 signatures22 161 Antivirus detection for dropped file 57->161 163 Detected unpacking (changes PE section rights) 57->163 165 Detected unpacking (overwrites its own PE header) 57->165 66 spoolsv.exe 46 57->66         started        69 cmd.exe 1 57->69         started        167 Drops executables to the windows directory (C:\Windows) and starts them 60->167 169 Injects a PE file into a foreign processes 60->169 71 spoolsv.exe 60->71         started        73 cmd.exe 60->73         started        171 Sample uses process hollowing technique 62->171 75 cmd.exe 62->75         started        173 Detected unpacking (creates a PE file in dynamic memory) 64->173 175 Machine Learning detection for dropped file 64->175 177 Tries to detect sandboxes / dynamic malware analysis system (file name check) 64->177 78 StikyNot.exe 64->78         started        80 cmd.exe 64->80         started        process23 file24 135 Spreads via windows shares (copies files to share folders) 66->135 137 Injects a PE file into a foreign processes 66->137 82 spoolsv.exe 66->82         started        85 conhost.exe 69->85         started        139 Sample uses process hollowing technique 71->139 87 conhost.exe 73->87         started        107 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 75->107 dropped 89 conhost.exe 75->89         started        91 conhost.exe 80->91         started        signatures25 process26 signatures27 141 Installs a global keyboard hook 82->141
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c4b2d4fe115f346e15f3e05d3306a4c8c7cac62ade5208bb887a05043ad28d08/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 18:31:42 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ysznj7qrl42g4fpt4botgbvezdd4vrrk3zjaro4ipicqiowsruea._file
Verdict:
malicious
Similar samples:
01869366532d298b053338f999a7e97d2ffe3e0621dc30b4cefc9299fb69189f
AveMariaRAT
03dfe6cedcfce8418e60ff61cd7a730c9ec52c383b2e5ccad5c67d0b1168146d
AveMariaRAT
4bddfa817cd13d4363a1fabceff368bfa8084bab2dc7c5e720fe3102c151f238
AveMariaRAT
5425057dda2e19dba533d3bbea460f060b78a7467dfc7a03f10a66bf86e1bc0c
AveMariaRAT
646382d8d97656327a6c0ceaf3e4123b7b39b5a52cc24de530304da75928d0d0
AveMariaRAT
733721633d77b25dfcea0f354f53910f29bd254379066185b41f6d275ca33e47
AveMariaRAT
afcb9b9cea390afa06e9e54614c8f076d46e6287580dde8580bc7709801e1722
AveMariaRAT
b8526e6e7c6dcb71a5e3c587455e235c0a3508f2b7cc20aae47120d25dbbe210
AveMariaRAT
da19cfebaedc46dc877ef4ef7582000d43fe74876279049686137c3b0f7b4879
AveMariaRAT
f68fcaec4168c989db1cf92777aaeb4150d186e68d785950b284020335cd08dc
AveMariaRAT
+ 4'476 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Link:
https://tria.ge/reports/201114-64wyqwj7ta/
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
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
c4b2d4fe115f346e15f3e05d3306a4c8c7cac62ade5208bb887a05043ad28d08
MD5 hash:
7aec1ad171fe924024e16f632c2fb198
SHA1 hash:
e03247898022de392dc249d324e8d2add0009b4a
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/d9827729-c81c-4a45-b761-d1536fb083d1/
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/c4b2d4fe115f346e15f3e05d3306a4c8c7cac62ade5208bb887a05043ad28d08

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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