MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a9294b06d85ea14899e6a586e49fd8814ea499a168d6ea5434841ee9f531f1e. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a9294b06d85ea14899e6a586e49fd8814ea499a168d6ea5434841ee9f531f1e
SHA3-384 hash: e7f3f02f54330f4dfb42518bd93e6a0a0e4b068a2168df97565c9e831523728c4326774168b785e69de6598e4d9c09d0
SHA1 hash: e6af3d6c244745099cdf74a3ccaa8eea5c9b2e7e
MD5 hash: 44103892202829751e5ca268b0ec2eab
humanhash: vegan-lemon-louisiana-jersey
File name:4a9294b06d85ea14899e6a586e49fd8814ea499a168d6ea5434841ee9f531f1e
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'931'104 bytes
First seen:2020-11-10 11:38:22 UTC
Last seen:2024-07-24 13:54:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:+FjJBNj+Fucx9FttcifBB5ltXiNfk5AvBAQUkBsHjnA7W2FeDSIGVH/KIDgDgUeg:uBTC7Se5TUfkUF9QDbGV6eH8tkw
Threatray 325 similar samples on MalwareBazaar
TLSH B1958D61311424A7CA13EBB5BC4FA790A8D17CAE32057ACE6FFBBC0989776807546347
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
63
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
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
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% directory
Creating a file
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/528732
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
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: 313464 Sample: yG5qTRYWKG Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 128 Antivirus detection for dropped file 2->128 130 Antivirus / Scanner detection for submitted sample 2->130 132 Yara detected AveMaria stealer 2->132 134 5 other signatures 2->134 12 yG5qTRYWKG.exe 1 51 2->12         started        15 StikyNot.exe 46 2->15         started        17 SyncHost.exe 2->17         started        19 3 other processes 2->19 process3 signatures4 182 Detected unpacking (changes PE section rights) 12->182 184 Detected unpacking (overwrites its own PE header) 12->184 186 Spreads via windows shares (copies files to share folders) 12->186 198 3 other signatures 12->198 21 yG5qTRYWKG.exe 1 3 12->21         started        25 diskperf.exe 5 12->25         started        188 Writes to foreign memory regions 15->188 190 Allocates memory in foreign processes 15->190 192 Injects a PE file into a foreign processes 15->192 27 StikyNot.exe 15->27         started        29 diskperf.exe 15->29         started        194 Antivirus detection for dropped file 17->194 196 Machine Learning detection for dropped file 17->196 31 WerFault.exe 19->31         started        process5 file6 92 C:\Windows\System\explorer.exe, PE32 21->92 dropped 172 Installs a global keyboard hook 21->172 33 explorer.exe 47 21->33         started        94 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 25->94 dropped 96 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 25->96 dropped 98 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 25->98 dropped 100 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 25->100 dropped 37 StikyNot.exe 46 25->37         started        174 Drops executables to the windows directory (C:\Windows) and starts them 27->174 39 explorer.exe 27->39         started        signatures7 process8 file9 88 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 33->88 dropped 90 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 33->90 dropped 136 Antivirus detection for dropped file 33->136 138 Detected unpacking (creates a PE file in dynamic memory) 33->138 140 Machine Learning detection for dropped file 33->140 152 6 other signatures 33->152 41 explorer.exe 3 17 33->41         started        46 diskperf.exe 33->46         started        142 Detected unpacking (changes PE section rights) 37->142 144 Detected unpacking (overwrites its own PE header) 37->144 146 Spreads via windows shares (copies files to share folders) 37->146 48 StikyNot.exe 37->48         started        50 diskperf.exe 37->50         started        148 Sample uses process hollowing technique 39->148 150 Injects a PE file into a foreign processes 39->150 signatures10 process11 dnsIp12 108 vccmd03.googlecode.com 41->108 110 vccmd02.googlecode.com 41->110 112 5 other IPs or domains 41->112 102 C:\Windows\System\spoolsv.exe, PE32 41->102 dropped 104 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 41->104 dropped 176 System process connects to network (likely due to code injection or exploit) 41->176 178 Creates an undocumented autostart registry key 41->178 180 Installs a global keyboard hook 41->180 52 spoolsv.exe 46 41->52         started        55 spoolsv.exe 46 41->55         started        57 spoolsv.exe 41->57         started        59 3 other processes 41->59 file13 signatures14 process15 signatures16 154 Antivirus detection for dropped file 52->154 156 Detected unpacking (changes PE section rights) 52->156 158 Detected unpacking (creates a PE file in dynamic memory) 52->158 170 3 other signatures 52->170 61 spoolsv.exe 52->61         started        65 diskperf.exe 52->65         started        160 Spreads via windows shares (copies files to share folders) 55->160 162 Injects a PE file into a foreign processes 55->162 67 spoolsv.exe 55->67         started        69 diskperf.exe 55->69         started        164 Drops executables to the windows directory (C:\Windows) and starts them 57->164 166 Writes to foreign memory regions 57->166 168 Allocates memory in foreign processes 57->168 71 spoolsv.exe 57->71         started        73 diskperf.exe 57->73         started        75 spoolsv.exe 59->75         started        77 spoolsv.exe 59->77         started        79 4 other processes 59->79 process17 file18 106 C:\Windows\System\svchost.exe, PE32 61->106 dropped 200 Installs a global keyboard hook 61->200 81 svchost.exe 61->81         started        202 Drops executables to the windows directory (C:\Windows) and starts them 67->202 84 svchost.exe 67->84         started        signatures19 process20 signatures21 114 Antivirus detection for dropped file 81->114 116 Detected unpacking (changes PE section rights) 81->116 118 Detected unpacking (overwrites its own PE header) 81->118 120 Machine Learning detection for dropped file 81->120 86 svchost.exe 81->86         started        122 Spreads via windows shares (copies files to share folders) 84->122 124 Sample uses process hollowing technique 84->124 126 Injects a PE file into a foreign processes 84->126 process22
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a9294b06d85ea14899e6a586e49fd8814ea499a168d6ea5434841ee9f531f1e/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 00:08:26 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jkjjjmdnqxvbjcm6njmg4sp5rakousm2c2gw5jkdjba65h2td4pa._file
Verdict:
unknown
Similar samples:
0590d0aecfea1d3587163f930592279d14e709579f36392dd984afb3cd73fe55
AveMariaRAT
2151f9f6298a437db7ef4580c3345be4fa9f0322d78cbea7bd6e964778414fd1
AveMariaRAT
5f4235a07c86cc4904b5d247870eb6b48c3254a96570f03723daffbd1880aeb8
AveMariaRAT
66ad721d4568a5a8e5ef1a1efad188f4292398449b34daa68beab5e64a4a3a91
AveMariaRAT
819213dcbaba4adab07064fb70f88e4a73f15294635ac0291d5809610151a92f
AveMariaRAT
8220a8c4adb4f8132d5586dac58766a76c873d3eba42e0f0c2c772a60f9a04be
AveMariaRAT
872705f378a258157e9f4ac2925994f96066dbc16d9b8bffc6f6be996c9db118
AveMariaRAT
a2588d62af6b7d4936fe20aae1d206b6dda2a9002dedd7069bdd7785e83ce810
AveMariaRAT
b8fafb2dd4313003bd9417dce850f3471d97a97357b786d17ff62faba6742282
AveMariaRAT
bf340400a994242fec4944db5ec1372a93eb4ed18440e45f7ea4c2b53ff12f1a
AveMariaRAT
+ 315 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-g8xhpxrbks/
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
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

Comments