MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 15635f4f8ddb6bc79a78b0cbec03da9548054d207d1fe094eb390e9ae2052422. 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: 13


Intelligence 13 IOCs YARA 4 File information Comments
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SHA256 hash: 15635f4f8ddb6bc79a78b0cbec03da9548054d207d1fe094eb390e9ae2052422
SHA3-384 hash: 45caa3449ad8cd83b71802d6cc1cdc0c1681cf045f6566f9b957b261434dfd823420b570a48494a8e4a1843198dec83c
SHA1 hash: 995e4a6b9b2bce67294057b8818259df71644f94
MD5 hash: 4cffd63038352505d973a5a937b6139d
humanhash: nineteen-echo-early-oregon
File name:SO3107708- REVISED.doc
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'135'431 bytes
First seen:2023-01-24 08:07:57 UTC
Last seen:2023-01-24 13:43:49 UTC
File type:Word file doc
MIME type:text/plain
ssdeep 12288:xKfFP11Qkd0NED0C1pT+qPycFzVGx5kWVzFHRsUr:cfFPgOHD0C1pT+qPycFzUx5kURsUr
TLSH T1B03579F531690A23C276A8087419732D2D21E65C18C7276D9B7FC2B19F5FAE35E88327
Reporter abuse_ch
Tags:AveMariaRAT doc

Intelligence

File Origin
# of uploads :
2
# of downloads :
214
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
avemaria
Create hunting rule
ID:
1
File name:
SO3107708- REVISED.doc
Verdict:
Malicious activity
Analysis date:
2023-01-24 08:10:00 UTC
Tags:
ole-embedded loader trojan stealer rat avemaria
Link:
https://app.any.run/tasks/661ae1d6-4a53-41a2-b076-466039fba95c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/msword
Has a screenshot:
False
Contains macros:
False
Detection(s):
SecuriteInfo.com.VBS.Obfus-186.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28030.RtfHeur.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RTFSquiblyDooForeverYou.20210701.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a file in the %temp% directory
Changing the Zone.Identifier stream
Creating a window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a process from a recently created file
Running batch commands
Launching a process
Sending an HTTP GET request
Running batch commands by exploiting the app vulnerability
Launching a file downloaded from the Internet
Result
Verdict:
Malicious
File Type:
Fake RTF File
Link:
https://app.docguard.net/15635f4f8ddb6bc79a78b0cbec03da9548054d207d1fe094eb390e9ae2052422/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
83%
Tags:
cmd CVE-2017-0199 CVE-2017-8570 CVE-2017-8759 CVE-2018-8174 evasive exploit exploit powershell wscript
Link:
https://www.filescan.io/uploads/63cf91e889bd67c10fd9ad9f/reports/231761e5-1071-4768-bd2a-31f036c934be/overview
Label:
Malicious
Suspicious Score:
10/10
Score Malicious:
1%
Score Benign:
0%
Link:
https://www.malware.ai/gui/files/?id=bb55681e-967f-41f0-84e9-71fb1471a7f0
Result
Verdict:
MALICIOUS
Details
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Result
Threat name:
AveMaria, DarkTortilla, UACMe
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1157797
Signature
.NET source code contains very large array initializations
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Contains functionality to check if Internet connection is working
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
Creates an undocumented autostart registry key
Document contains a stream with embedded javascript code
Document contains OLE streams with names of living off the land binaries
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found evasive API chain checking for user administrative privileges
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides user accounts
Increases the number of concurrent connection per server for Internet Explorer
Injects files into Windows application
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Microsoft Office creates scripting files
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office process drops PE file
Powershell drops PE file
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Uses netsh to modify the Windows network and firewall settings
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AveMaria stealer
Yara detected DarkTortilla Crypter
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 790539 Sample: SO3107708- REVISED.doc Startdate: 24/01/2023 Architecture: WINDOWS Score: 100 131 Snort IDS alert for network traffic 2->131 133 Malicious sample detected (through community Yara rule) 2->133 135 Antivirus detection for URL or domain 2->135 137 13 other signatures 2->137 12 WINWORD.EXE 302 47 2->12         started        process3 dnsIp4 129 192.3.251.136, 49171, 49172, 80 AS-COLOCROSSINGUS United States 12->129 107 C:\Users\user\AppData\Local\...\ordine[1].exe, PE32 12->107 dropped 109 C:\Users\user\AppData\...\FZdtfhgYgeghDz .scT, data 12->109 dropped 111 C:\Users\user\AppData\Local\...\5A9F904E.png, 370 12->111 dropped 185 Document exploit detected (creates forbidden files) 12->185 187 Microsoft Office creates scripting files 12->187 189 Injects files into Windows application 12->189 17 cmd.exe 12->17         started        19 cmd.exe 12->19         started        21 cmd.exe 12->21         started        24 5 other processes 12->24 file5 signatures6 process7 signatures8 26 ordine.exe 17->26         started        30 ordine.exe 13 5 19->30         started        147 Suspicious powershell command line found 21->147 149 Tries to download and execute files (via powershell) 21->149 151 Bypasses PowerShell execution policy 21->151 32 powershell.exe 12 7 21->32         started        153 Injects files into Windows application 24->153 35 ordine.exe 24->35         started        37 powershell.exe 24->37         started        39 powershell.exe 24->39         started        process9 dnsIp10 179 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->179 41 cmd.exe 26->41         started        127 www.google.com 142.250.203.100, 443, 49173, 49174 GOOGLEUS United States 30->127 181 Machine Learning detection for dropped file 30->181 44 cmd.exe 30->44         started        46 cmd.exe 1 30->46         started        101 C:\Users\user\AppData\Roaming\ordine.exe, PE32 32->101 dropped 183 Powershell drops PE file 32->183 49 cmd.exe 35->49         started        file11 signatures12 process13 file14 161 Uses ping.exe to sleep 41->161 51 dUihhKl.exe 41->51         started        56 PING.EXE 41->56         started        58 PING.EXE 41->58         started        163 Uses ping.exe to check the status of other devices and networks 44->163 60 reg.exe 44->60         started        62 PING.EXE 44->62         started        113 C:\Users\user\AppData\Roaming\dUihhKl.exe, PE32 46->113 dropped 64 dUihhKl.exe 46->64         started        66 PING.EXE 46->66         started        68 PING.EXE 46->68         started        70 PING.EXE 49->70         started        signatures15 process16 dnsIp17 115 www.google.com 51->115 103 C:\Users\user\AppData\Local\...\AjjanUlop.exe, PE32 51->103 dropped 155 Hides that the sample has been downloaded from the Internet (zone.identifier) 51->155 72 AddInProcess32.exe 51->72         started        77 AjjanUlop.exe 51->77         started        79 AjjanUlop.exe 51->79         started        81 6 other processes 51->81 157 Creates an undocumented autostart registry key 60->157 117 127.0.0.1 unknown unknown 62->117 119 www.google.com 64->119 159 Machine Learning detection for dropped file 64->159 file18 signatures19 process20 dnsIp21 125 185.246.220.237, 49178, 7134 LVLT-10753US Germany 72->125 105 C:\Users\user\AppData\Local\Temp\23.exe, PE32 72->105 dropped 165 Hides user accounts 72->165 167 Contains functionality to check if Internet connection is working 72->167 169 Contains functionality to inject threads in other processes 72->169 177 5 other signatures 72->177 83 23.exe 72->83         started        171 Antivirus detection for dropped file 77->171 173 Multi AV Scanner detection for dropped file 77->173 175 Machine Learning detection for dropped file 77->175 87 AjjanUlop.exe 77->87         started        89 AjjanUlop.exe 79->89         started        91 AjjanUlop.exe 81->91         started        93 AjjanUlop.exe 81->93         started        95 AjjanUlop.exe 81->95         started        97 3 other processes 81->97 file22 signatures23 process24 dnsIp25 121 192.168.2.1, 5351 unknown unknown 83->121 123 239.255.255.250 unknown Reserved 83->123 139 Antivirus detection for dropped file 83->139 141 Multi AV Scanner detection for dropped file 83->141 143 Uses netsh to modify the Windows network and firewall settings 83->143 145 Modifies the windows firewall 83->145 99 netsh.exe 83->99         started        signatures26 process27
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/15635f4f8ddb6bc79a78b0cbec03da9548054d207d1fe094eb390e9ae2052422/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=cvrv6t4n3nv4pgtywdf6ya62sveaktjapup6bfhlhehjvyqfeqra._file
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat upx
Link:
https://tria.ge/reports/230124-lerwnsad65/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
NTFS ADS
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
Modifies Windows Firewall
Sets DLL path for service in the registry
UPX packed file
Modifies WinLogon for persistence
Process spawned unexpected child process
WarzoneRat, AveMaria
Malware Config
Dropper Extraction:
http://192.3.251.136/bb/ordine.exe
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/15635f4f8ddb/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/15635f4f8ddb6bc79a78b0cbec03da9548054d207d1fe094eb390e9ae2052422

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:INDICATOR_RTF_EXPLOIT_CVE_2017_8759_2
Create hunting rule
Author:ditekSHen
Description:detects CVE-2017-8759 weaponized RTF documents.
Rule name:INDICATOR_RTF_Exploit_Scripting
Create hunting rule
Author:ditekSHen
Description:detects CVE-2017-8759 or CVE-2017-8570 weaponized RTF documents.
Rule name:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

File information

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

Comments