MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4675d4bb981436db07e7f948fe1d0ea032e8c1542cfa046d9e2506ba3c1cecf6. 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: 8


Intelligence 8 IOCs YARA 6 File information Comments
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SHA256 hash: 4675d4bb981436db07e7f948fe1d0ea032e8c1542cfa046d9e2506ba3c1cecf6
SHA3-384 hash: 1f1d5bb1886fbe07818f9e61c2bee74486eab97acfdd16d9d8fe7949a930c9ac05819ad4ebc26b9390a4b8c2b65e5f58
SHA1 hash: e83e53483098932a582d8c2201350fe448ba2719
MD5 hash: 15c303d406b5afd9351b563f1f110a30
humanhash: eleven-burger-virginia-eleven
File name:4675d4bb981436db07e7f948fe1d0ea032e8c1542cfa046d9e2506ba3c1cecf6
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'930'983 bytes
First seen:2020-11-13 15:54:42 UTC
Last seen:2024-07-24 13:45:28 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:vj7wTo0uHIGskYCeWRykNtiVuRn5rP2m6Gh7wFfA7W2FeDSIGVH/KIDgDgUeHbYE:X7npD1OVuRLZTQDbGV6eH8tkN
Threatray 619 similar samples on MalwareBazaar
TLSH 11957DD07761C1EBC60329B5A80EC6209D28BE566B14575FB3772E19EEBB3C4A053387
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
61
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/534827
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 316513 Sample: bz6bv6osOH Startdate: 14/11/2020 Architecture: WINDOWS Score: 100 111 Antivirus detection for dropped file 2->111 113 Antivirus / Scanner detection for submitted sample 2->113 115 Multi AV Scanner detection for submitted file 2->115 117 6 other signatures 2->117 12 bz6bv6osOH.exe 1 51 2->12         started        16 StikyNot.exe 46 2->16         started        18 StikyNot.exe 2->18         started        20 9 other processes 2->20 process3 dnsIp4 93 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 12->93 dropped 95 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 12->95 dropped 155 Detected unpacking (changes PE section rights) 12->155 157 Detected unpacking (overwrites its own PE header) 12->157 159 Spreads via windows shares (copies files to share folders) 12->159 171 3 other signatures 12->171 23 bz6bv6osOH.exe 1 3 12->23         started        27 diskperf.exe 12->27         started        161 Antivirus detection for dropped file 16->161 163 Detected unpacking (creates a PE file in dynamic memory) 16->163 165 Machine Learning detection for dropped file 16->165 173 2 other signatures 16->173 29 StikyNot.exe 16->29         started        31 diskperf.exe 16->31         started        167 Injects a PE file into a foreign processes 18->167 33 StikyNot.exe 18->33         started        103 127.0.0.1 unknown unknown 20->103 169 Changes security center settings (notifications, updates, antivirus, firewall) 20->169 35 WerFault.exe 20->35         started        file5 signatures6 process7 file8 91 C:\Windows\System\explorer.exe, PE32 23->91 dropped 151 Installs a global keyboard hook 23->151 37 explorer.exe 47 23->37         started        153 Drops executables to the windows directory (C:\Windows) and starts them 29->153 41 explorer.exe 29->41         started        signatures9 process10 file11 87 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 37->87 dropped 89 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 37->89 dropped 137 Antivirus detection for dropped file 37->137 139 Detected unpacking (creates a PE file in dynamic memory) 37->139 141 Machine Learning detection for dropped file 37->141 149 4 other signatures 37->149 43 explorer.exe 3 17 37->43         started        48 diskperf.exe 37->48         started        143 Spreads via windows shares (copies files to share folders) 41->143 145 Sample uses process hollowing technique 41->145 147 Injects a PE file into a foreign processes 41->147 signatures12 process13 dnsIp14 105 vccmd03.googlecode.com 43->105 107 vccmd02.googlecode.com 43->107 109 5 other IPs or domains 43->109 97 C:\Windows\System\spoolsv.exe, PE32 43->97 dropped 99 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 43->99 dropped 175 System process connects to network (likely due to code injection or exploit) 43->175 177 Creates an undocumented autostart registry key 43->177 179 Installs a global keyboard hook 43->179 50 spoolsv.exe 47 43->50         started        54 spoolsv.exe 46 43->54         started        56 spoolsv.exe 46 43->56         started        58 2 other processes 43->58 file15 signatures16 process17 file18 85 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 50->85 dropped 119 Antivirus detection for dropped file 50->119 121 Detected unpacking (changes PE section rights) 50->121 123 Detected unpacking (creates a PE file in dynamic memory) 50->123 135 3 other signatures 50->135 60 spoolsv.exe 2 50->60         started        64 diskperf.exe 50->64         started        125 Spreads via windows shares (copies files to share folders) 54->125 127 Injects a PE file into a foreign processes 54->127 66 spoolsv.exe 54->66         started        68 diskperf.exe 54->68         started        129 Drops executables to the windows directory (C:\Windows) and starts them 56->129 131 Writes to foreign memory regions 56->131 133 Allocates memory in foreign processes 56->133 70 spoolsv.exe 56->70         started        72 diskperf.exe 56->72         started        74 spoolsv.exe 58->74         started        76 diskperf.exe 58->76         started        signatures19 process20 file21 101 C:\Windows\System\svchost.exe, PE32 60->101 dropped 181 Installs a global keyboard hook 60->181 78 svchost.exe 60->78         started        183 Drops executables to the windows directory (C:\Windows) and starts them 66->183 81 svchost.exe 66->81         started        signatures22 process23 signatures24 185 Antivirus detection for dropped file 78->185 187 Detected unpacking (changes PE section rights) 78->187 189 Detected unpacking (overwrites its own PE header) 78->189 191 Machine Learning detection for dropped file 78->191 83 svchost.exe 78->83         started        193 Spreads via windows shares (copies files to share folders) 81->193 195 Sample uses process hollowing technique 81->195 197 Injects a PE file into a foreign processes 81->197 process25
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4675d4bb981436db07e7f948fe1d0ea032e8c1542cfa046d9e2506ba3c1cecf6/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-13 16:03:15 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=iz25jo4ycq3nwb7h7fep4hiouazorqkuft5ai3m6eudlupa45t3a._file
Verdict:
unknown
Similar samples:
1af5e0ee9a4fbf28beb3bc592e7ecb82aadeed53943e0030c37c2f4647c4100a
AveMariaRAT
22481cd93311b4f18f02b5ff96b5aceff4198db6d3b6ff5660ec2c2dc213e53c
AveMariaRAT
226b9c832ac46c07579b38b5f7cf3005414d18d61049da9c7fe96cb73cff3dc4
AveMariaRAT
591bd58288a32ff3bc9eaf71576a900e19d5cfc93115c93145cc9f6c295a3b75
AveMariaRAT
657179ce54f33ee622d5a513b636246fad6c0e2e8696e5c6aef768bf5e140eed
AveMariaRAT
819213dcbaba4adab07064fb70f88e4a73f15294635ac0291d5809610151a92f
AveMariaRAT
88f8650b61dcaaf57476f94aa9a7e867b79de32cc8ed83d52ce6650f98bb59d4
AveMariaRAT
a0e0b4defa019508e7524379f6c71c159ad5f1896e30b64a20220410bfa91779
AveMariaRAT
cf342259aa97ade74a84aa400a6eb8c29b791fe5b0e765e47ef1e0d0fd443696
AveMariaRAT
df8bad6aa9440d016b89c153cb764b9950014f9562bbd2e24de60c80322e79d2
AveMariaRAT
+ 609 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/201113-s22b3m971x/
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:
4675d4bb981436db07e7f948fe1d0ea032e8c1542cfa046d9e2506ba3c1cecf6
MD5 hash:
15c303d406b5afd9351b563f1f110a30
SHA1 hash:
e83e53483098932a582d8c2201350fe448ba2719
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/4b5496dc-af80-4d81-9d61-579184db4230/
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: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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