MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6e25fd0d654b80059e04cda82bbd1f9850185600a4a471e0b8c3742428d621ea. 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 File information Comments

SHA256 hash: 6e25fd0d654b80059e04cda82bbd1f9850185600a4a471e0b8c3742428d621ea
SHA3-384 hash: 2ea27194bbf10beb2079d572e3eca7c3393b72521b3bdee5962083168a7932194c21d1da12ef6db43363ee73823a012b
SHA1 hash: 478e2c07f0656570ca3b99a255b55d33b95a08dc
MD5 hash: d9c07120920a9dfe92b486b6012e5ac5
humanhash: bacon-video-mobile-california
File name:Soucring Tender Sheet.xlsx
Download: download sample
Signature AveMariaRAT
File size:1'445'296 bytes
First seen:2023-12-16 14:32:49 UTC
Last seen:Never
File type:Excel file xlsx
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 24576:F1wyehjOMj6NF0BwNukrzX0EnrMzyoADCq1odSmY9UtN4q1D/A+wXR:FOJhjOMO/0Kwkv9rcJAD0STqp/A
TLSH T1E465334B8872F294950AF33029458B1AFFA123BC757C9A925653E89CCB9C36AF14D334
TrID 60.1% (.XLSX) Excel Microsoft Office Open XML Format document (34000/1/7)
30.9% (.ZIP) Open Packaging Conventions container (17500/1/4)
7.0% (.ZIP) ZIP compressed archive (4000/1)
1.7% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter V3n0mStrike
Tags:AveMariaRAT CVE-2017-11882 xlsx


Avatar
V3n0mStrike
Subject: Sales Platform TENDER NO. 310036 | DUE ON 22nd DEC 2023

Office OLE Information


This malware samples appears to be an Office document. The following table provides more information about this document using oletools and oledump.

OLE dump

MalwareBazaar was able to identify 3 sections in this file using oledump:

Section IDSection sizeSection name
A11718869 bytesoLe10nAtivE
A20 bytesjZKz6h

Intelligence


File Origin
# of uploads :
1
# of downloads :
1'504
Origin country :
CL CL
Vendor Threat Intelligence
Verdict:
Legit
File type:
application/octet-stream
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Sending a custom TCP request
Creating a window
Searching for synchronization primitives
Launching a process
DNS request
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
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
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
OOXML Excel File with Embedding Objects
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
embedequation exploit phishing shellcode
Label:
Malicious
Suspicious Score:
9.8/10
Score Malicious:
99%
Score Benign:
1%
Result
Threat name:
AveMaria, UACMe
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found evasive API chain checking for user administrative privileges
Found malware configuration
Increases the number of concurrent connection per server for Internet Explorer
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Snort IDS alert for network traffic
Uses dynamic DNS services
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1363412 Sample: Soucring_Tender_Sheet.xlsx Startdate: 16/12/2023 Architecture: WINDOWS Score: 100 60 Snort IDS alert for network traffic 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 17 other signatures 2->66 8 EQNEDT32.EXE 11 2->8         started        13 oxttdyiirn.exe 2->13         started        15 oxttdyiirn.exe 2->15         started        17 EXCEL.EXE 7 9 2->17         started        process3 dnsIp4 50 bcmnursing.com 202.66.173.109, 49162, 80 NETMAGIC-APNetmagicDatacenterMumbaiIN India 8->50 52 www.bcmnursing.com 8->52 38 C:\Users\user\AppData\Roaming\word.exe, PE32 8->38 dropped 40 C:\Users\user\AppData\...\marcopack2.1[1].exe, PE32 8->40 dropped 78 Office equation editor establishes network connection 8->78 80 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->80 19 word.exe 17 8->19         started        82 Multi AV Scanner detection for dropped file 13->82 84 Contains functionality to hide user accounts 13->84 86 Machine Learning detection for dropped file 13->86 90 5 other signatures 13->90 23 oxttdyiirn.exe 4 13->23         started        88 Maps a DLL or memory area into another process 15->88 26 oxttdyiirn.exe 4 15->26         started        file5 signatures6 process7 dnsIp8 36 C:\Users\user\AppData\...\bficsgotez.exe, PE32 19->36 dropped 68 Multi AV Scanner detection for dropped file 19->68 70 Machine Learning detection for dropped file 19->70 28 bficsgotez.exe 1 2 19->28         started        46 mcwillis.duckdns.org 23->46 72 Contains functionality to hide user accounts 23->72 74 Installs a global keyboard hook 23->74 48 mcwillis.duckdns.org 26->48 file9 76 Uses dynamic DNS services 48->76 signatures10 process11 file12 42 C:\Users\user\AppData\...\oxttdyiirn.exe, PE32 28->42 dropped 92 Multi AV Scanner detection for dropped file 28->92 94 Contains functionality to hide user accounts 28->94 96 Machine Learning detection for dropped file 28->96 98 7 other signatures 28->98 32 bficsgotez.exe 3 4 28->32         started        signatures13 process14 dnsIp15 44 mcwillis.duckdns.org 91.92.251.22, 49164, 49165, 49166 THEZONEBG Bulgaria 32->44 54 Contains functionality to hide user accounts 32->54 56 Increases the number of concurrent connection per server for Internet Explorer 32->56 58 Installs a global keyboard hook 32->58 signatures16
Threat name:
Document-Office.Exploit.CVE-2017-11882
Status:
Malicious
First seen:
2023-12-15 15:11:02 UTC
File Type:
Document
Extracted files:
16
AV detection:
17 of 23 (73.91%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Uses Volume Shadow Copy WMI provider
Uses Volume Shadow Copy service COM API
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Warzone RAT payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
mcwillis.duckdns.org:5122
Please note that we are no longer able to provide a coverage score for Virus Total.

File information


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

Malspam

AveMariaRAT

Excel file xlsx 6e25fd0d654b80059e04cda82bbd1f9850185600a4a471e0b8c3742428d621ea

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments