MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 228264e8f57dc120e866db9789ed5cf7456a486024dcd6d83a60c0b02cc11158. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 228264e8f57dc120e866db9789ed5cf7456a486024dcd6d83a60c0b02cc11158
SHA3-384 hash: 55f6e727bf4a27a0965de94a150124cece18451e912eb465b40eca72d0f8a02ccbb68dbb94ccebc8100c297b3bf3065a
SHA1 hash: 3c171a4d843deec19055254c62948f766351eb3f
MD5 hash: 8b40f760a193a3c91ab4a0a2b425ad18
humanhash: finch-august-washington-missouri
File name:SKMBT_C280190724201102.doc
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:217'883 bytes
First seen:2020-11-02 06:34:43 UTC
Last seen:Never
File type:Word file doc
MIME type:text/rtf
ssdeep 1536:9ieSTvHyjtHv9Yr9Cu2o3TKwNRu+vLUSd+3Bjy6mAgaeeVhMDw5wfL1:9uVraRDAw5wfB
TLSH 402465B831974865E349C8195168B56D0AF5F2E374C54DB123EFE430DFA5FE0AF88286
Reporter FORMALITYDE
Tags:AveMariaRAT doc

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Exp.20178570-B.28594.6843.UNOFFICIAL
Create hunting rule

MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

TwinWave.EvilDoc.DOCXSTRGOOD.RTFSTR.SCRIPTLET.200421.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Launching a file downloaded from the Internet
Result
Verdict:
MALICIOUS
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/517913
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found suspicious RTF objects
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Injects files into Windows application
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Microsoft Office creates scripting files
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Powershell drops PE file
Sigma detected: Microsoft Office Product Spawning Windows Shell
Sigma detected: Powershell download and execute file
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to download and execute files (via powershell)
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 308059 Sample: SKMBT_C280190724201102.doc Startdate: 02/11/2020 Architecture: WINDOWS Score: 100 69 Malicious sample detected (through community Yara rule) 2->69 71 Antivirus detection for URL or domain 2->71 73 Sigma detected: Powershell download and execute file 2->73 75 16 other signatures 2->75 8 WINWORD.EXE 306 53 2->8         started        12 vlc.exe 2->12         started        14 vlc.exe 2->14         started        process3 file4 45 C:\Users\user\AppData\Local\...\images[1].exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\FLC581.tmp, 370 8->47 dropped 49 C:\Users\user\AppData\...\Abctfhghgdghgh .scT, data 8->49 dropped 51 C:\Users\user\AppData\Local\...\DC4D71E5.png, 370 8->51 dropped 89 Document exploit detected (creates forbidden files) 8->89 91 Suspicious powershell command line found 8->91 93 Tries to download and execute files (via powershell) 8->93 97 2 other signatures 8->97 16 powershell.exe 12 7 8->16         started        21 powershell.exe 7 8->21         started        23 powershell.exe 7 8->23         started        29 3 other processes 8->29 95 Injects a PE file into a foreign processes 12->95 25 vlc.exe 12->25         started        27 vlc.exe 14->27         started        signatures5 process6 dnsIp7 55 13.90.228.87, 49167, 49168, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 16->55 43 C:\Users\user\AppData\Roaming\images.exe, PE32 16->43 dropped 77 Powershell drops PE file 16->77 31 images.exe 1 2 16->31         started        79 Suspicious powershell command line found 21->79 81 Tries to download and execute files (via powershell) 21->81 35 images.exe 2 23->35         started        83 Injects files into Windows application 29->83 file8 signatures9 process10 file11 53 C:\Users\user\AppData\Roaming\...\vlc.exe, PE32 31->53 dropped 59 Machine Learning detection for dropped file 31->59 61 Contains functionality to inject threads in other processes 31->61 63 Contains functionality to steal Chrome passwords or cookies 31->63 65 Contains functionality to steal e-mail passwords 31->65 37 images.exe 3 2 31->37         started        67 Injects a PE file into a foreign processes 35->67 41 images.exe 1 35->41         started        signatures12 process13 dnsIp14 57 52.146.42.226, 49169, 5600 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 37->57 85 Increases the number of concurrent connection per server for Internet Explorer 37->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 37->87 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/228264e8f57dc120e866db9789ed5cf7456a486024dcd6d83a60c0b02cc11158/
Threat name:
Script-VBS.Trojan.RTFObfustream
Create hunting rule
Status:
Malicious
First seen:
2020-11-02 06:35:28 UTC
AV detection:
17 of 29 (58.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ekbgj2hvpxasb2dg3olyt3k465cwusdaetonnwb2mdalalgbcfma._file
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Link:
https://tria.ge/reports/201102-acrc1bbdne/
Behaviour
Enumerates system info in registry
Modifies registry class
NTFS ADS
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Checks processor information in registry
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Blacklisted process makes network request
Executes dropped EXE
Warzone RAT Payload
Process spawned unexpected child process
WarzoneRat, AveMaria
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Exploit
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/228264e8f57dc120e866db9789ed5cf7456a486024dcd6d83a60c0b02cc11158

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:Retefe
Create hunting rule
Author:bartblaze
Description:Retefe

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AveMariaRAT

Word file doc 228264e8f57dc120e866db9789ed5cf7456a486024dcd6d83a60c0b02cc11158

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments