MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 857c7dc4b88d6fa4751d23d732784204fdf452114f4135437579e3cfe4ba452d. 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: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: 857c7dc4b88d6fa4751d23d732784204fdf452114f4135437579e3cfe4ba452d
SHA3-384 hash: ad25b23d4cd97769e7a82ef64c15ca8228741f9b202c1aeebec7d2eff99036a155de62188f79ff9422f8be54fdb0f34b
SHA1 hash: 2787f83bc88c34409b57ff3954e7ecf7b8601df7
MD5 hash: 09615ab1e7d3da53aba689272afb1f4d
humanhash: sad-mockingbird-delta-black
File name:ORDER00388737838.PDF.vbs
Download: download sample
Signature AveMariaRAT
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File size:240'496 bytes
First seen:2022-09-01 07:52:30 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 24:QnORimuEuM9h7PogNEbrnLgUoEJEOXo+pa+w343eDysrDihH:yEiRMJV3U5WOXH0yvB
TLSH T1EE347D94B5E8251422E379C7AF6BF2B4073EE5E8A4368E6C44CC0A2DDBDC004589A7F1
TrID 66.6% (.TXT) Text - UTF-16 (LE) encoded (2000/1)
33.3% (.MP3) MP3 audio (1000/1)
Reporter cocaman
Tags:AveMariaRAT vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.61642244.18479.14340.UNOFFICIAL
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Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/631064e63e9e50b1baf37191/reports/eed42a3a-4b45-419c-bd48-7eae6819822f/overview
Result
Verdict:
SUSPICIOUS
Result
Threat name:
AveMaria, UACMe
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Detection:
malicious
Classification:
phis.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1062761
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
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
Malicious sample detected (through community Yara rule)
Suspicious powershell command line found
Uses an obfuscated file name to hide its real file extension (double extension)
VBScript performs obfuscated calls to suspicious functions
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AveMaria stealer
Yara detected Generic Downloader
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 695283 Sample: ORDER00388737838.PDF.vbs Startdate: 01/09/2022 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for URL or domain 2->40 42 Yara detected UACMe UAC Bypass tool 2->42 44 5 other signatures 2->44 9 wscript.exe 1 2->9         started        12 images.exe 1 2->12         started        process3 signatures4 50 VBScript performs obfuscated calls to suspicious functions 9->50 52 Suspicious powershell command line found 9->52 54 Wscript starts Powershell (via cmd or directly) 9->54 14 powershell.exe 14 17 9->14         started        18 conhost.exe 12->18         started        process5 dnsIp6 34 20.7.14.99, 49686, 80 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 14->34 36 80.76.51.222, 49687, 80 CLOUDCOMPUTINGDE Bulgaria 14->36 56 Writes to foreign memory regions 14->56 58 Injects a PE file into a foreign processes 14->58 20 RegAsm.exe 5 4 14->20         started        24 conhost.exe 14->24         started        26 RegAsm.exe 14->26         started        signatures7 process8 file9 32 C:\ProgramData\images.exe, PE32 20->32 dropped 46 Increases the number of concurrent connection per server for Internet Explorer 20->46 48 Hides that the sample has been downloaded from the Internet (zone.identifier) 20->48 28 images.exe 2 20->28         started        signatures10 process11 process12 30 conhost.exe 28->30         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/857c7dc4b88d6fa4751d23d732784204fdf452114f4135437579e3cfe4ba452d/
Threat name:
Script.Downloader.Heuristic
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Status:
Malicious
First seen:
2022-08-31 22:28:00 UTC
File Type:
Text (VBS)
AV detection:
8 of 26 (30.77%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qv6h3rfyrvx2i5i5eplte6ccat67iuqrj5atkq3vphr47zf2iuwq._file
Result
Malware family:
warzonerat
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Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Link:
https://tria.ge/reports/220901-l7c8zscaam/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Executes dropped EXE
Warzone RAT payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
80.76.51.88:1956
Dropper Extraction:
http://20.7.14.99/server/dll2.txt
Malware family:
Warzone
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Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/857c7dc4b88d/report/overview.html
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/857c7dc4b88d6fa4751d23d732784204fdf452114f4135437579e3cfe4ba452d

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:SUSP_VBS_Wscript_Shell
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Author:SECUINFRA Falcon Team
Description:Detects the definition of 'Wscript.Shell' which is often used by Malware, FPs are possible and commmon

File information

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

Malspam

AveMariaRAT

zip d633f2894fbd0cc7e2068d67c3bf6d74057ac65bf13c4a58d85cf17c587d7adc

AveMariaRAT

Visual Basic Script (vbs) vbs 857c7dc4b88d6fa4751d23d732784204fdf452114f4135437579e3cfe4ba452d

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 d633f2894fbd0cc7e2068d67c3bf6d74057ac65bf13c4a58d85cf17c587d7adc
  
Dropped by
MD5 ef8b4d10a6afc84031cc25e3eb045ae3

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