MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7bae3300b21e84351eec2adb4d1596786fbf1a7fbeb43b0997f3149621f59d6a. 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: 12


Maldoc score: 23


Intelligence 12 IOCs YARA File information Comments

SHA256 hash: 7bae3300b21e84351eec2adb4d1596786fbf1a7fbeb43b0997f3149621f59d6a
SHA3-384 hash: 2d5c2664f02d04fbb53b3b1a3a49ac6ab58c5bd680a1402253e53bbc92760fb7e7b007d0775e904a6bc8b43cf2cecca7
SHA1 hash: 762ab62a042a189f6e5e5a592eff7d672603f053
MD5 hash: dbbc014421459b50a5ddcb0ed3582ba1
humanhash: xray-quebec-mississippi-sierra
File name:Inv Docs AWB 842500.doc
Download: download sample
Signature AveMariaRAT
File size:90'624 bytes
First seen:2022-05-08 16:27:15 UTC
Last seen:Never
File type:Word file doc
MIME type:application/msword
ssdeep 1536:6G27umVuDhjwfn6+i5uBcsRe0RrY9HCoEqd74z1Ol3OT3Q:6G27CDtwfnFOCe8uxvyz1weLQ
TLSH T1DB939D1372A1C91BE25946311CE3CEEE22763C8D6CAA650F72C0BF5EBD786E8C511761
TrID 52.6% (.DOC) Microsoft Word document (30000/1/2)
33.3% (.DOC) Microsoft Word document (old ver.) (19000/1/2)
14.0% (.) Generic OLE2 / Multistream Compound (8000/1)
Reporter abuse_ch
Tags:AveMariaRAT doc RAT


Avatar
abuse_ch
AveMariaRAT payload URL:
http://www.e-eykairies.gr/wpcontentes/okonsflsnfjfnkjghkjwoiwihgtkkhjbwnebnbgtjet/bizbbxixgdfafac.exe

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 id
Maldoc score: 23
OLE dump

MalwareBazaar was able to identify 12 sections in this file using oledump:

Section IDSection sizeSection name
1114 bytesCompObj
24096 bytesDocumentSummaryInformation
34096 bytesSummaryInformation
47215 bytes1Table
547016 bytesData
6494 bytesMacros/PROJECT
771 bytesMacros/PROJECTwm
8918 bytesMacros/VBA/NewMacros
910262 bytesMacros/VBA/ThisDocument
105927 bytesMacros/VBA/_VBA_PROJECT
11578 bytesMacros/VBA/dir
124096 bytesWordDocument
OLE vba

MalwareBazaar was able to extract and deobfuscate VBA script(s) the following information from OLE objects embedded in this file using olevba:

TypeKeywordDescription
AutoExecDocument_OpenRuns when the Word or Publisher document is opened
SuspiciousOpenMay open a file
SuspiciousWriteMay write to a file (if combined with Open)
Suspiciousadodb.streamMay create a text file
SuspiciousSaveToFileMay create a text file
SuspiciousShellMay run an executable file or a system command
SuspiciousWScript.ShellMay run an executable file or a system command
SuspiciousCreateObjectMay create an OLE object
SuspiciousShell.ApplicationMay run an application (if combined with CreateObject)
Suspiciousmicrosoft.xmlhttpMay download files from the Internet
SuspiciousChrMay attempt to obfuscate specific strings (use option --deobf to deobfuscate)
SuspiciousHex StringsHex-encoded strings were detected, may be used to obfuscate strings (option --decode to see all)

Intelligence


File Origin
# of uploads :
1
# of downloads :
405
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Inv Docs AWB 842500.doc
Verdict:
Malicious activity
Analysis date:
2022-05-08 16:31:17 UTC
Tags:
macros macros-on-open generated-doc loader warzone

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:
True
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Creating a file in the %AppData% directory
Creating a file
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
Legacy Word File with Macro
Document image
Document image
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
macros macros-on-open packed
Result
Verdict:
MALICIOUS
Details
Macro with Startup Hook
Detected macro logic that will automatically execute on document open. Most malware contains some execution hook.
Document With Few Pages
Document contains between one and three pages of content. Most malicious documents are sparse in page count.
Macro with File System Write
Detected macro logic that can write data to the file system.
Shell.Application Object
Detected the instantiation of Shell Application object within the macro.
Macro Contains Suspicious String
Detected a macro with a suspicious string. Suspicious strings include privileged function calls, obfuscations, odd registry keys, etc...
Result
Threat name:
AveMaria UACMe
Detection:
malicious
Classification:
troj.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
Detected unpacking (changes PE section rights)
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with hexadecimal encoded strings
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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
PE file contains section with special chars
PE file has nameless sections
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Threat name:
Script-Macro.Downloader.EncDoc
Status:
Malicious
First seen:
2022-05-08 13:35:38 UTC
File Type:
Document
Extracted files:
19
AV detection:
18 of 26 (69.23%)
Threat level:
  3/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer macro macro_on_action rat
Behaviour
Checks processor information in registry
Enumerates system info in registry
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Warzone RAT Payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
topimoiofnfiomog.freedynamicdns.org:5207
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

Word file doc 7bae3300b21e84351eec2adb4d1596786fbf1a7fbeb43b0997f3149621f59d6a

(this sample)

  
Delivery method
Distributed via e-mail attachment

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