MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfc37612ba0820ca68c0a867f4fe169899dcd96aae8f1666da8a136a70d0fcfb. 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: bfc37612ba0820ca68c0a867f4fe169899dcd96aae8f1666da8a136a70d0fcfb
SHA3-384 hash: 4397bcdb74d9b39288e3e4d4758e804e90642a5b2a9b6a9b808a4938a22e901cf6a3eb24c6d0933969cf3503f6e3305c
SHA1 hash: db4bb92bff8d797e580696ada8c2fffc757a23b9
MD5 hash: 307972d85725f84fff302895c0bcff56
humanhash: equal-twenty-oregon-missouri
File name:bfc37612ba0820ca68c0a867f4fe169899dcd96aae8f1666da8a136a70d0fcfb
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'931'138 bytes
First seen:2020-11-09 21:56:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:QZS6DiwuyGn+d27dRQXYC6nLyjc++yZgD6FMX85qA7W2FeDSIGVH/KIDgDgUeHbZ:QhynC4YYFLyj+OPQDbGV6eH8tkN
Threatray 33 similar samples on MalwareBazaar
TLSH FF957DA972A1002BF7832E31AC0FE4E16C947D2A5B98B3DF67757C1C89BF2846417653
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
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/527640
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
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: 312913 Sample: CUy8bTwbxJ Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 146 Antivirus detection for dropped file 2->146 148 Antivirus / Scanner detection for submitted sample 2->148 150 Multi AV Scanner detection for submitted file 2->150 152 6 other signatures 2->152 11 CUy8bTwbxJ.exe 1 51 2->11         started        14 SyncHost.exe 2->14         started        16 StikyNot.exe 46 2->16         started        18 5 other processes 2->18 process3 dnsIp4 164 Detected unpacking (changes PE section rights) 11->164 166 Detected unpacking (creates a PE file in dynamic memory) 11->166 168 Detected unpacking (overwrites its own PE header) 11->168 184 3 other signatures 11->184 21 CUy8bTwbxJ.exe 1 3 11->21         started        25 diskperf.exe 5 11->25         started        170 Antivirus detection for dropped file 14->170 172 Machine Learning detection for dropped file 14->172 174 Spreads via windows shares (copies files to share folders) 14->174 176 Sample uses process hollowing technique 14->176 178 Writes to foreign memory regions 16->178 180 Allocates memory in foreign processes 16->180 182 Injects a PE file into a foreign processes 16->182 27 StikyNot.exe 16->27         started        29 diskperf.exe 16->29         started        102 127.0.0.1 unknown unknown 18->102 104 192.168.2.1 unknown unknown 18->104 signatures5 process6 file7 82 C:\Windows\System\explorer.exe, PE32 21->82 dropped 154 Installs a global keyboard hook 21->154 31 explorer.exe 47 21->31         started        84 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 25->84 dropped 86 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 25->86 dropped 88 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 25->88 dropped 90 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 25->90 dropped 35 StikyNot.exe 46 25->35         started        signatures8 process9 file10 98 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 31->98 dropped 100 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 31->100 dropped 112 Antivirus detection for dropped file 31->112 114 Detected unpacking (creates a PE file in dynamic memory) 31->114 116 Machine Learning detection for dropped file 31->116 124 6 other signatures 31->124 37 explorer.exe 3 17 31->37         started        42 diskperf.exe 31->42         started        118 Detected unpacking (changes PE section rights) 35->118 120 Detected unpacking (overwrites its own PE header) 35->120 122 Spreads via windows shares (copies files to share folders) 35->122 44 StikyNot.exe 35->44         started        46 diskperf.exe 35->46         started        signatures11 process12 dnsIp13 106 vccmd03.googlecode.com 37->106 108 vccmd02.googlecode.com 37->108 110 4 other IPs or domains 37->110 92 C:\Windows\System\spoolsv.exe, PE32 37->92 dropped 94 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 37->94 dropped 156 System process connects to network (likely due to code injection or exploit) 37->156 158 Creates an undocumented autostart registry key 37->158 160 Installs a global keyboard hook 37->160 48 spoolsv.exe 46 37->48         started        51 spoolsv.exe 46 37->51         started        53 spoolsv.exe 46 37->53         started        57 4 other processes 37->57 162 Drops executables to the windows directory (C:\Windows) and starts them 44->162 55 explorer.exe 44->55         started        file14 signatures15 process16 signatures17 126 Antivirus detection for dropped file 48->126 128 Detected unpacking (changes PE section rights) 48->128 130 Detected unpacking (creates a PE file in dynamic memory) 48->130 144 3 other signatures 48->144 59 spoolsv.exe 48->59         started        63 diskperf.exe 48->63         started        132 Spreads via windows shares (copies files to share folders) 51->132 134 Writes to foreign memory regions 51->134 136 Allocates memory in foreign processes 51->136 65 spoolsv.exe 51->65         started        67 diskperf.exe 51->67         started        138 Injects a PE file into a foreign processes 53->138 69 spoolsv.exe 53->69         started        71 diskperf.exe 53->71         started        140 Sample uses process hollowing technique 55->140 142 Drops executables to the windows directory (C:\Windows) and starts them 57->142 73 spoolsv.exe 57->73         started        75 spoolsv.exe 57->75         started        77 3 other processes 57->77 process18 file19 96 C:\Windows\System\svchost.exe, PE32 59->96 dropped 186 Drops executables to the windows directory (C:\Windows) and starts them 59->186 188 Installs a global keyboard hook 59->188 79 svchost.exe 59->79         started        signatures20 process21 signatures22 190 Antivirus detection for dropped file 79->190 192 Machine Learning detection for dropped file 79->192 194 Spreads via windows shares (copies files to share folders) 79->194 196 2 other signatures 79->196
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfc37612ba0820ca68c0a867f4fe169899dcd96aae8f1666da8a136a70d0fcfb/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-09 22:39:22 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=x7bxmev2baqmu2gavbt7j7qwtcm5zwlkv2hrmzw2rijwu4gq7t5q._file
Verdict:
suspicious
Similar samples:
0590d0aecfea1d3587163f930592279d14e709579f36392dd984afb3cd73fe55
AveMariaRAT
0954707116de7974c38346f17987886632546664d0933bafd412fb343e408317
AveMariaRAT
5553a7b6943f4c1435ec14ecb41b95029d6f2a94f7f415f660c14bd8b68ab7f9
AveMariaRAT
66ad721d4568a5a8e5ef1a1efad188f4292398449b34daa68beab5e64a4a3a91
AveMariaRAT
6c094a18d2ab75c95ffc39399cece2eebdb8064f91cec40226be037fb20f64d9
AveMariaRAT
950c5135a82ae668688c83c699fc372e74f2745aae8effd9f87fcae2b4a447be
AveMariaRAT
a2588d62af6b7d4936fe20aae1d206b6dda2a9002dedd7069bdd7785e83ce810
AveMariaRAT
dc313b8009145195f3f4b5cee45d731c81fd67dcfb522fe59435fcbdb5ebd974
AveMariaRAT
efc248aca821cef98a1ced6eb5cc87fa40ca29d137917d16c14c0a35d33c95e7
AveMariaRAT
fc43a119f255e01cc5bd1ae95791495a4f92cc0545d64b0bdab72dc126a5dd4e
AveMariaRAT
+ 23 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/201109-hb8vr9kzn6/
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.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bfc37612ba0820ca68c0a867f4fe169899dcd96aae8f1666da8a136a70d0fcfb

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