MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a23a6db2c8886b0d56f69b4139ad8278b49cf2aaa19729ef3d90171d9419f7b. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8a23a6db2c8886b0d56f69b4139ad8278b49cf2aaa19729ef3d90171d9419f7b
SHA3-384 hash: 3da84b54fc4f81858790d2640245c7610b662c34033bd42d3c6f2e7eea5f0c9203f9c2300b6b5da11f8a6d3a37e20a84
SHA1 hash: 57e6d86f3ffdaaaa6bbcc33eeaafd96b2d3b1ad1
MD5 hash: f41b845f1f38f540fc4d42a7d4c15288
humanhash: fish-bakerloo-leopard-chicken
File name:8a23a6db2c8886b0d56f69b4139ad8278b49cf2aaa19729ef3d90171d9419f7b
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'024'660 bytes
First seen:2020-11-10 11:41:56 UTC
Last seen:2024-07-24 18:35:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:blk7AAmZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHB:blk7AAmw4gxeOw46fUbNecCCFbNecQ
Threatray 3'526 similar samples on MalwareBazaar
TLSH 04E5AEC1FF1E44E3EA16A975A00FAB509CD57D26C341BA6BAF397CC58D83199D24230E
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Upx-48
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

PUA.Win.Packer.Asprotect-3
Create hunting rule

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

Win.Malware.Ursu-6914170-0
Create hunting rule

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

Win.Malware.Cerber-6989221-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Forced system process termination
Creating a window
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
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a file in the mass storage device
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
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/528478
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Command shell drops VBS files
Contain functionality to detect virtual machines
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
Creates an undocumented autostart registry key
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Drops VBS files to the startup folder
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: Drops script at startup location
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)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 313339 Sample: HdUgBK4SxS Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 154 Antivirus detection for dropped file 2->154 156 Antivirus / Scanner detection for submitted sample 2->156 158 Multi AV Scanner detection for submitted file 2->158 160 6 other signatures 2->160 13 HdUgBK4SxS.exe 2->13         started        16 wscript.exe 1 2->16         started        18 wscript.exe 2->18         started        21 2 other processes 2->21 process3 dnsIp4 202 Tries to detect sandboxes / dynamic malware analysis system (file name check) 13->202 204 Contain functionality to detect virtual machines 13->204 206 Contains functionality to inject code into remote processes 13->206 208 2 other signatures 13->208 23 HdUgBK4SxS.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        28 HdUgBK4SxS.exe 16->28         started        122 192.168.2.1 unknown unknown 18->122 30 StikyNot.exe 18->30         started        signatures5 process6 signatures7 162 Spreads via windows shares (copies files to share folders) 23->162 164 Writes to foreign memory regions 23->164 166 Allocates memory in foreign processes 23->166 168 Sample is not signed and drops a device driver 23->168 32 HdUgBK4SxS.exe 1 3 23->32         started        36 diskperf.exe 5 23->36         started        170 Command shell drops VBS files 26->170 172 Drops VBS files to the startup folder 26->172 38 conhost.exe 26->38         started        174 Tries to detect sandboxes / dynamic malware analysis system (file name check) 28->174 176 Injects a PE file into a foreign processes 28->176 40 HdUgBK4SxS.exe 46 28->40         started        42 cmd.exe 28->42         started        44 StikyNot.exe 30->44         started        46 cmd.exe 30->46         started        process8 file9 102 C:\Windows\System\explorer.exe, PE32 32->102 dropped 142 Installs a global keyboard hook 32->142 48 explorer.exe 32->48         started        104 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 36->104 dropped 106 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 36->106 dropped 108 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 36->108 dropped 110 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 36->110 dropped 51 StikyNot.exe 36->51         started        144 Spreads via windows shares (copies files to share folders) 40->144 146 Writes to foreign memory regions 40->146 148 Allocates memory in foreign processes 40->148 53 HdUgBK4SxS.exe 40->53         started        55 diskperf.exe 40->55         started        57 conhost.exe 42->57         started        150 Sample uses process hollowing technique 44->150 152 Injects a PE file into a foreign processes 44->152 112 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 46->112 dropped 59 conhost.exe 46->59         started        signatures10 process11 signatures12 130 Antivirus detection for dropped file 48->130 132 Machine Learning detection for dropped file 48->132 134 Tries to detect sandboxes / dynamic malware analysis system (file name check) 48->134 140 2 other signatures 48->140 61 explorer.exe 47 48->61         started        65 cmd.exe 1 48->65         started        136 Injects a PE file into a foreign processes 51->136 67 StikyNot.exe 46 51->67         started        69 cmd.exe 1 51->69         started        138 Installs a global keyboard hook 53->138 71 explorer.exe 53->71         started        process13 file14 118 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 61->118 dropped 120 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 61->120 dropped 210 Injects code into the Windows Explorer (explorer.exe) 61->210 212 Spreads via windows shares (copies files to share folders) 61->212 214 Writes to foreign memory regions 61->214 216 Allocates memory in foreign processes 61->216 73 explorer.exe 3 17 61->73         started        78 diskperf.exe 61->78         started        80 conhost.exe 65->80         started        218 Sample uses process hollowing technique 67->218 82 conhost.exe 69->82         started        220 Tries to detect sandboxes / dynamic malware analysis system (file name check) 71->220 222 Drops executables to the windows directory (C:\Windows) and starts them 71->222 224 Injects a PE file into a foreign processes 71->224 84 explorer.exe 71->84         started        86 cmd.exe 71->86         started        signatures15 process16 dnsIp17 124 vccmd03.googlecode.com 73->124 126 vccmd02.googlecode.com 73->126 128 4 other IPs or domains 73->128 114 C:\Windows\System\spoolsv.exe, PE32 73->114 dropped 116 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 73->116 dropped 190 System process connects to network (likely due to code injection or exploit) 73->190 192 Creates an undocumented autostart registry key 73->192 194 Installs a global keyboard hook 73->194 88 spoolsv.exe 73->88         started        91 spoolsv.exe 73->91         started        196 Spreads via windows shares (copies files to share folders) 84->196 198 Sample uses process hollowing technique 84->198 200 Injects a PE file into a foreign processes 84->200 93 conhost.exe 86->93         started        file18 signatures19 process20 signatures21 178 Antivirus detection for dropped file 88->178 180 Machine Learning detection for dropped file 88->180 182 Tries to detect sandboxes / dynamic malware analysis system (file name check) 88->182 184 Drops executables to the windows directory (C:\Windows) and starts them 88->184 95 spoolsv.exe 88->95         started        98 cmd.exe 88->98         started        186 Sample uses process hollowing technique 91->186 188 Injects a PE file into a foreign processes 91->188 process22 signatures23 226 Spreads via windows shares (copies files to share folders) 95->226 228 Sample uses process hollowing technique 95->228 230 Injects a PE file into a foreign processes 95->230 100 conhost.exe 98->100         started        process24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8a23a6db2c8886b0d56f69b4139ad8278b49cf2aaa19729ef3d90171d9419f7b/
Threat name:
Win32.Trojan.Skeeeyah
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 12:38:56 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rir2nwzmrcdlbvlpng2bhgwye6futtzkvimxfhxt3eaxdwkbt55q._file
Verdict:
suspicious
Similar samples:
0954707116de7974c38346f17987886632546664d0933bafd412fb343e408317
AveMariaRAT
3e0c9a3b2805a33a90a06bba668f3e709f15d066d48c280b6715c5bf425d8629
AveMariaRAT
48e0384a6b9ec91ae09b116639a3096f243b2c0a7a55f5af006a8d28ad8ed092
AveMariaRAT
4c5243fb93c8228c700ac8c3260ce478c30eb62f5c3737217952d49e866c1f4f
AveMariaRAT
67b5dff4446d1a79f3af65c95f52d45f7a819c0e15215bbcf26fdedeafed00f4
AveMariaRAT
720d5efa9da834f02070731e4c63ba4f88bf047fd4e514369abc177183facfc1
AveMariaRAT
7fd842876ce4a23acce596d28f03eac77bbffd54de176f887fab4ae444e7115e
AveMariaRAT
a597feb1835307dd3115e535a07ad16544b7950dd1de4e4247bc3bc49f02a487
AveMariaRAT
d19fadb5854624ab287ac13b3302f71158752643e112d08642ba7718abda6d6c
AveMariaRAT
f5e621d29e3f1bc96a68b44c139e62d6e37513373faaada2a11eb5b40123c3a6
AveMariaRAT
+ 3'516 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat upx
Link:
https://tria.ge/reports/201110-s7s3vd141e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
UPX packed file
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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
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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