MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a37ca12c11701f5d5b348e7a4120a352c75dc0bd07c1161f59b39a0fa83d8bb2. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a37ca12c11701f5d5b348e7a4120a352c75dc0bd07c1161f59b39a0fa83d8bb2
SHA3-384 hash: 946b8c0029f1e23dccb130ce40f3e60db849820437353828f3da8b8a445ddf69cdaf7d8bc6a15337f0504331ee3cd07a
SHA1 hash: e9fdc04d5597917092dd097036dc83b3b74fb04c
MD5 hash: db6ac535801a1210ba8c96166d2da1af
humanhash: kilo-asparagus-cola-stairway
File name:a37ca12c11701f5d5b348e7a4120a352c75dc0bd07c1161f59b39a0fa83d8bb2
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'931'128 bytes
First seen:2020-11-10 11:29:03 UTC
Last seen:2024-07-24 19:51:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:QO+SJPMGuYs398Nc36xagc1pVtuCKKbSD+JsKlhznD8lA7W2FeDSIGVH/KIDgDgO:RJyviShgcPqCKKcWnQDbGV6eH8tkU
Threatray 324 similar samples on MalwareBazaar
TLSH 2C959F61FA7528A7E62375792C0FE370AA12FE3D77005A1B27663D1C8D73781A411BB2
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
56
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
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
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
Creating a process with a hidden window
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
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/529251
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dnsIp2 2 Behavior Graph ID: 313723 Sample: zOjXRHVUIN Startdate: 11/11/2020 Architecture: WINDOWS Score: 100 106 vccmd01.t35.com 2->106 152 Antivirus detection for dropped file 2->152 154 Antivirus / Scanner detection for submitted sample 2->154 156 Multi AV Scanner detection for submitted file 2->156 158 6 other signatures 2->158 13 zOjXRHVUIN.exe 1 51 2->13         started        16 StikyNot.exe 46 2->16         started        18 SyncHost.exe 2->18         started        20 2 other processes 2->20 signatures3 process4 dnsIp5 174 Detected unpacking (changes PE section rights) 13->174 176 Detected unpacking (overwrites its own PE header) 13->176 178 Spreads via windows shares (copies files to share folders) 13->178 194 3 other signatures 13->194 23 zOjXRHVUIN.exe 1 3 13->23         started        27 diskperf.exe 5 13->27         started        180 Writes to foreign memory regions 16->180 182 Allocates memory in foreign processes 16->182 184 Injects a PE file into a foreign processes 16->184 29 StikyNot.exe 16->29         started        31 diskperf.exe 16->31         started        186 Antivirus detection for dropped file 18->186 188 Detected unpacking (creates a PE file in dynamic memory) 18->188 190 Machine Learning detection for dropped file 18->190 192 Sample uses process hollowing technique 18->192 108 127.0.0.1 unknown unknown 20->108 signatures6 process7 file8 90 C:\Windows\System\explorer.exe, PE32 23->90 dropped 160 Installs a global keyboard hook 23->160 33 explorer.exe 47 23->33         started        92 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 27->92 dropped 94 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 27->94 dropped 96 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 27->96 dropped 98 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 27->98 dropped 37 StikyNot.exe 46 27->37         started        162 Drops executables to the windows directory (C:\Windows) and starts them 29->162 39 explorer.exe 29->39         started        signatures9 process10 file11 86 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 33->86 dropped 88 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 33->88 dropped 116 Antivirus detection for dropped file 33->116 118 Machine Learning detection for dropped file 33->118 120 Injects code into the Windows Explorer (explorer.exe) 33->120 132 5 other signatures 33->132 41 explorer.exe 3 17 33->41         started        46 diskperf.exe 33->46         started        122 Detected unpacking (changes PE section rights) 37->122 124 Detected unpacking (overwrites its own PE header) 37->124 126 Spreads via windows shares (copies files to share folders) 37->126 48 StikyNot.exe 37->48         started        128 Sample uses process hollowing technique 39->128 130 Injects a PE file into a foreign processes 39->130 signatures12 process13 dnsIp14 110 vccmd03.googlecode.com 41->110 112 vccmd02.googlecode.com 41->112 114 5 other IPs or domains 41->114 100 C:\Windows\System\spoolsv.exe, PE32 41->100 dropped 102 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 41->102 dropped 164 System process connects to network (likely due to code injection or exploit) 41->164 166 Creates an undocumented autostart registry key 41->166 168 Installs a global keyboard hook 41->168 50 spoolsv.exe 46 41->50         started        53 spoolsv.exe 46 41->53         started        55 spoolsv.exe 46 41->55         started        57 4 other processes 41->57 file15 signatures16 process17 signatures18 134 Antivirus detection for dropped file 50->134 136 Detected unpacking (changes PE section rights) 50->136 138 Detected unpacking (creates a PE file in dynamic memory) 50->138 150 3 other signatures 50->150 59 spoolsv.exe 50->59         started        63 diskperf.exe 50->63         started        140 Spreads via windows shares (copies files to share folders) 53->140 142 Writes to foreign memory regions 53->142 144 Allocates memory in foreign processes 53->144 65 spoolsv.exe 53->65         started        67 diskperf.exe 53->67         started        146 Injects a PE file into a foreign processes 55->146 69 spoolsv.exe 55->69         started        71 diskperf.exe 55->71         started        148 Drops executables to the windows directory (C:\Windows) and starts them 57->148 73 spoolsv.exe 57->73         started        75 spoolsv.exe 57->75         started        77 5 other processes 57->77 process19 file20 104 C:\Windows\System\svchost.exe, PE32 59->104 dropped 170 Installs a global keyboard hook 59->170 79 svchost.exe 59->79         started        172 Drops executables to the windows directory (C:\Windows) and starts them 65->172 82 svchost.exe 65->82         started        signatures21 process22 signatures23 196 Antivirus detection for dropped file 79->196 198 Detected unpacking (changes PE section rights) 79->198 200 Detected unpacking (overwrites its own PE header) 79->200 202 Machine Learning detection for dropped file 79->202 84 svchost.exe 79->84         started        204 Spreads via windows shares (copies files to share folders) 82->204 206 Sample uses process hollowing technique 82->206 208 Injects a PE file into a foreign processes 82->208 process24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a37ca12c11701f5d5b348e7a4120a352c75dc0bd07c1161f59b39a0fa83d8bb2/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 00:00:52 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=un6kclaroapv2wzurz5ecifdkldv3qf5a7armh2zwona7kb5roza._file
Verdict:
unknown
Similar samples:
0590d0aecfea1d3587163f930592279d14e709579f36392dd984afb3cd73fe55
AveMariaRAT
4a9294b06d85ea14899e6a586e49fd8814ea499a168d6ea5434841ee9f531f1e
AveMariaRAT
4af5eee20559f7a613628212ff64b9fa55713622ffae8df0c3c216a6521242b1
AveMariaRAT
819213dcbaba4adab07064fb70f88e4a73f15294635ac0291d5809610151a92f
AveMariaRAT
83a4e0b8a56cfd55741c12a85af836036eb780e5005ec056eede4fc05166a799
AveMariaRAT
919bf9b29063c956860ae23541520867510a4d7197504d885c3b4e4b841aa4c6
AveMariaRAT
b05b676fcd96d5f2399989accf27abca7551c727c84c5a2752396d3e971c02ca
AveMariaRAT
bf340400a994242fec4944db5ec1372a93eb4ed18440e45f7ea4c2b53ff12f1a
AveMariaRAT
cf994e926d6984b53ae1e5c6aae226db1632f530bec3b23eace16f35b1c7e6aa
AveMariaRAT
e76deddcc752bdc4dbe7dfad5689c97fe779bb5728ff996556b579c8214eda73
AveMariaRAT
+ 314 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/201110-87ngw44dm2/
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:
a37ca12c11701f5d5b348e7a4120a352c75dc0bd07c1161f59b39a0fa83d8bb2
MD5 hash:
db6ac535801a1210ba8c96166d2da1af
SHA1 hash:
e9fdc04d5597917092dd097036dc83b3b74fb04c
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/b1cfe222-f436-4aea-afcb-2dbb4015d622/
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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