MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b9b3d3b46d27e7dbfb5ec20b42b490c9ad15dc28e7d5cd82f6746ef757fd2d3. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b9b3d3b46d27e7dbfb5ec20b42b490c9ad15dc28e7d5cd82f6746ef757fd2d3
SHA3-384 hash: e90f381ab200b779156af109ebf4fe09383d0c3944a537841f6d979e25c3d7cbeeff98e34c16995f1f2d47735707b323
SHA1 hash: 68feb13ef0750d83e3f21a54e00cda48dbecc318
MD5 hash: fd13ac7d7a69b54605f3bb1c3de0f962
humanhash: carolina-burger-oklahoma-vegan
File name:2b9b3d3b46d27e7dbfb5ec20b42b490c9ad15dc28e7d5cd82f6746ef757fd2d3
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'931'123 bytes
First seen:2020-11-14 17:54:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:ClH9FpuJpN64jwtcP0MR6GcxbFOkuHkLofcuGo0e+A7W2FeDSIGVH/KIDgDgUeHm:Nt6iRp2xbFO53tQDbGV6eH8tk2
Threatray 707 similar samples on MalwareBazaar
TLSH 66957F50BB6D1437D1175B38390FD53061A1FD6A2200ABAFBB793D0BDEF7682A41924B
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Daqc-6598201-0
Create hunting rule

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

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

Win.Malware.Eclv-9782803-0
Create hunting rule

Win.Malware.Eclv-9782804-0
Create hunting rule

Win.Malware.Eclv-9782973-0
Create hunting rule

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

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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/536261
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 317230 Sample: gFy8jzUizw Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 111 cdn.onenote.net 2->111 133 Antivirus detection for dropped file 2->133 135 Antivirus / Scanner detection for submitted sample 2->135 137 Multi AV Scanner detection for submitted file 2->137 139 6 other signatures 2->139 14 gFy8jzUizw.exe 1 51 2->14         started        17 StikyNot.exe 46 2->17         started        19 StikyNot.exe 2->19         started        21 3 other processes 2->21 signatures3 process4 signatures5 187 Detected unpacking (changes PE section rights) 14->187 189 Detected unpacking (creates a PE file in dynamic memory) 14->189 191 Detected unpacking (overwrites its own PE header) 14->191 201 4 other signatures 14->201 23 gFy8jzUizw.exe 1 3 14->23         started        27 diskperf.exe 5 14->27         started        193 Antivirus detection for dropped file 17->193 195 Machine Learning detection for dropped file 17->195 197 Spreads via windows shares (copies files to share folders) 17->197 29 StikyNot.exe 17->29         started        31 diskperf.exe 17->31         started        199 Injects a PE file into a foreign processes 19->199 33 StikyNot.exe 19->33         started        35 WerFault.exe 21->35         started        process6 file7 97 C:\Windows\System\explorer.exe, PE32 23->97 dropped 173 Installs a global keyboard hook 23->173 37 explorer.exe 47 23->37         started        99 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 27->99 dropped 101 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 27->101 dropped 103 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 27->103 dropped 175 Drops executables to the windows directory (C:\Windows) and starts them 29->175 41 explorer.exe 29->41         started        signatures8 process9 file10 95 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 37->95 dropped 159 Antivirus detection for dropped file 37->159 161 Detected unpacking (creates a PE file in dynamic memory) 37->161 163 Machine Learning detection for dropped file 37->163 171 3 other signatures 37->171 43 explorer.exe 3 17 37->43         started        48 diskperf.exe 37->48         started        165 Spreads via windows shares (copies files to share folders) 41->165 167 Sample uses process hollowing technique 41->167 169 Injects a PE file into a foreign processes 41->169 signatures11 process12 dnsIp13 113 vccmd03.googlecode.com 43->113 115 vccmd02.googlecode.com 43->115 117 5 other IPs or domains 43->117 105 C:\Windows\System\spoolsv.exe, PE32 43->105 dropped 107 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 43->107 dropped 177 System process connects to network (likely due to code injection or exploit) 43->177 179 Creates an undocumented autostart registry key 43->179 181 Installs a global keyboard hook 43->181 50 spoolsv.exe 47 43->50         started        54 spoolsv.exe 46 43->54         started        56 spoolsv.exe 43->56         started        58 3 other processes 43->58 file14 signatures15 process16 file17 91 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 50->91 dropped 93 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 50->93 dropped 141 Antivirus detection for dropped file 50->141 143 Detected unpacking (changes PE section rights) 50->143 145 Detected unpacking (creates a PE file in dynamic memory) 50->145 157 3 other signatures 50->157 60 spoolsv.exe 2 50->60         started        64 diskperf.exe 50->64         started        147 Spreads via windows shares (copies files to share folders) 54->147 149 Writes to foreign memory regions 54->149 151 Allocates memory in foreign processes 54->151 66 spoolsv.exe 54->66         started        68 diskperf.exe 54->68         started        153 Drops executables to the windows directory (C:\Windows) and starts them 56->153 155 Injects a PE file into a foreign processes 56->155 76 2 other processes 56->76 70 spoolsv.exe 58->70         started        72 spoolsv.exe 58->72         started        74 spoolsv.exe 58->74         started        78 3 other processes 58->78 signatures18 process19 file20 109 C:\Windows\System\svchost.exe, PE32 60->109 dropped 183 Installs a global keyboard hook 60->183 80 svchost.exe 60->80         started        185 Drops executables to the windows directory (C:\Windows) and starts them 66->185 83 svchost.exe 66->83         started        signatures21 process22 signatures23 119 Antivirus detection for dropped file 80->119 121 Detected unpacking (changes PE section rights) 80->121 123 Detected unpacking (overwrites its own PE header) 80->123 131 3 other signatures 80->131 85 svchost.exe 80->85         started        87 diskperf.exe 80->87         started        125 Spreads via windows shares (copies files to share folders) 83->125 127 Sample uses process hollowing technique 83->127 129 Injects a PE file into a foreign processes 83->129 process24 process25 89 WerFault.exe 85->89         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b9b3d3b46d27e7dbfb5ec20b42b490c9ad15dc28e7d5cd82f6746ef757fd2d3/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 17:55:35 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=font2o2g2j7h3p5v5qqlik2jbsnncxocrz6vzwbpm5do65l72ljq._file
Verdict:
suspicious
Similar samples:
18763bf77f725b8679382ccdc7f254d553f4d3b11d8ea169797c1d94dbecd768
AveMariaRAT
22481cd93311b4f18f02b5ff96b5aceff4198db6d3b6ff5660ec2c2dc213e53c
AveMariaRAT
2cbc7c66f352d7095de75a1670784805726b8413b1795bc9a6e4b5ba61ca6cff
AveMariaRAT
3b54db2c531f5e21083e264061e59582ade79943dccdb81423cfbbbce91196b0
AveMariaRAT
3cf063b93f0ad16624bf0af9d2155e795e1d031f492e86212eecf4e8f6af728d
AveMariaRAT
4a9294b06d85ea14899e6a586e49fd8814ea499a168d6ea5434841ee9f531f1e
AveMariaRAT
78cde368378580e53cdb26fb666cae61f09a3ee39a59361f1c7b7415818826cf
AveMariaRAT
937207d136742595f9db854f55c1bc51fa5ec706510387ce35e037095432e1eb
AveMariaRAT
94bc42de09be1987a4d00906aa05b58fa2f9f1d1edc2c46dfa206c9d608b9a42
AveMariaRAT
a2588d62af6b7d4936fe20aae1d206b6dda2a9002dedd7069bdd7785e83ce810
AveMariaRAT
+ 697 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-b3sm4268ss/
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:
2b9b3d3b46d27e7dbfb5ec20b42b490c9ad15dc28e7d5cd82f6746ef757fd2d3
MD5 hash:
fd13ac7d7a69b54605f3bb1c3de0f962
SHA1 hash:
68feb13ef0750d83e3f21a54e00cda48dbecc318
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/56211b8b-1de5-4b84-91b5-3104b0d6beb2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2b9b3d3b46d27e7dbfb5ec20b42b490c9ad15dc28e7d5cd82f6746ef757fd2d3

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: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

Comments