MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 affbf94f4b828e79ebc9545af0383872ecafd2d0bc05f128205b55a672f2df1a. 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: 14


Intelligence 14 IOCs YARA 22 File information Comments

SHA256 hash: affbf94f4b828e79ebc9545af0383872ecafd2d0bc05f128205b55a672f2df1a
SHA3-384 hash: 171397d8a38bc1d686d6fd7e7d7b13b0dc454dacbf86f18ec234c0d99f99c3ce25021c55f7be99efa0174b6f12e49e9d
SHA1 hash: a9087241d0b6d7b2fc5854a1be6e02dc1f759fae
MD5 hash: 3ced47fe93f7b65481e05cc385a4c027
humanhash: tennis-pennsylvania-carolina-sodium
File name:invoice12132023.xz.exe
Download: download sample
Signature AveMariaRAT
File size:78'336 bytes
First seen:2023-12-13 04:45:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'013 x AgentTesla, 19'917 x Formbook, 12'332 x SnakeKeylogger)
ssdeep 1536:E+y06W4bKapTQuGf1OlX+8gfGC2pui6Dk40U7Q2x22riGN0II:Xy0W+apTQJfGTguC2puiU0Qx2EPI
Threatray 2'645 similar samples on MalwareBazaar
TLSH T1EF7370A897B04B13CE7AC3F6E9EA1528C73814566C12F27B7E4055D619A3F4CD4122FB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon e8d4ab9696aad4e8 (1 x AveMariaRAT)
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
AveMariaRAT C2:
213.152.186.35:46260

Intelligence


File Origin
# of uploads :
1
# of downloads :
466
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
avemaria
ID:
1
File name:
invoice12132023.xz.exe
Verdict:
Malicious activity
Analysis date:
2023-12-13 04:48:21 UTC
Tags:
rat avemaria remote stealer warzone

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file in the %AppData% directory
Reading critical registry keys
Creating a file in the %temp% directory
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control lolbin masquerade
Result
Threat name:
AveMaria, PrivateLoader, UACMe
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Creates multiple autostart registry keys
Drops PE files to the document folder of the user
Drops PE files with a suspicious file extension
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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
Sample has a suspicious name (potential lure to open the executable)
Sample uses process hollowing technique
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses cmd line tools excessively to alter registry or file data
Yara detected AntiVM3
Yara detected AveMaria stealer
Yara detected Generic Downloader
Yara detected PrivateLoader
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1361190 Sample: invoice12132023.xz.exe Startdate: 13/12/2023 Architecture: WINDOWS Score: 100 83 windowsupdatebg.s.llnwi.net 2->83 85 cdn.discordapp.com 2->85 91 Snort IDS alert for network traffic 2->91 93 Multi AV Scanner detection for domain / URL 2->93 95 Found malware configuration 2->95 97 13 other signatures 2->97 9 invoice12132023.xz.exe 15 3 2->9         started        13 invoice12132023.xz.pif 3 2->13         started        15 invoice12132023.xz.pif.pif.pif.pif 2->15         started        17 7 other processes 2->17 signatures3 process4 dnsIp5 89 cdn.discordapp.com 162.159.133.233, 443, 49704, 49711 CLOUDFLARENETUS United States 9->89 119 Contains functionality to hide user accounts 9->119 121 Injects a PE file into a foreign processes 9->121 19 invoice12132023.xz.exe 3 12 9->19         started        24 cmd.exe 1 9->24         started        32 2 other processes 9->32 123 Multi AV Scanner detection for dropped file 13->123 125 Machine Learning detection for dropped file 13->125 26 invoice12132023.xz.pif.pif.pif 13->26         started        28 cmd.exe 13->28         started        34 3 other processes 13->34 127 Sample uses process hollowing technique 15->127 36 5 other processes 15->36 30 cmd.exe 17->30         started        38 20 other processes 17->38 signatures6 process7 dnsIp8 87 213.152.186.35, 46260, 49707 GLOBALLAYERNL Netherlands 19->87 65 C:\Users\user\AppData\Local\...\softokn3.dll, PE32 19->65 dropped 67 C:\Users\user\AppData\Local\Temp\nss3.dll, PE32 19->67 dropped 81 4 other files (2 malicious) 19->81 dropped 99 Tries to steal Mail credentials (via file / registry access) 19->99 101 Tries to harvest and steal browser information (history, passwords, etc) 19->101 103 Increases the number of concurrent connection per server for Internet Explorer 19->103 105 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->105 107 Drops PE files to the document folder of the user 24->107 109 Uses cmd line tools excessively to alter registry or file data 24->109 111 Drops PE files with a suspicious file extension 24->111 47 2 other processes 24->47 113 Contains functionality to hide user accounts 26->113 40 cmd.exe 26->40         started        49 2 other processes 26->49 51 2 other processes 28->51 53 2 other processes 30->53 69 C:\Users\user\...\invoice12132023.xz.pif, PE32 32->69 dropped 43 conhost.exe 32->43         started        71 C:\Users\user\...\invoice12132023.xz.pif.pif, PE32 34->71 dropped 45 conhost.exe 34->45         started        73 C:\...\invoice12132023.xz.pif.pif.pif.pif.pif, PE32 36->73 dropped 55 3 other processes 36->55 75 invoice12132023.xz...pif.pif.pif.pif.pif, PE32 38->75 dropped 77 C:\...\invoice12132023.xz.pif.pif.pif.pif, PE32 38->77 dropped 79 C:\Users\...\invoice12132023.xz.pif.pif.pif, PE32 38->79 dropped 57 19 other processes 38->57 file9 signatures10 process11 signatures12 115 Uses cmd line tools excessively to alter registry or file data 40->115 59 conhost.exe 40->59         started        61 reg.exe 40->61         started        63 conhost.exe 49->63         started        117 Creates multiple autostart registry keys 57->117 process13
Threat name:
Win32.Trojan.Avemariarat
Status:
Malicious
First seen:
2023-12-13 04:42:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Unpacked files
SH256 hash:
affbf94f4b828e79ebc9545af0383872ecafd2d0bc05f128205b55a672f2df1a
MD5 hash:
3ced47fe93f7b65481e05cc385a4c027
SHA1 hash:
a9087241d0b6d7b2fc5854a1be6e02dc1f759fae
Detections:
SUSP_PE_Discord_Attachment_Oct21_1 INDICATOR_SUSPICIOUS_EXE_DiscordURL
Please note that we are no longer able to provide a coverage score for Virus Total.

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:AveMaria
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
Rule name:ave_maria_warzone_rat
Author:jeFF0Falltrades
Rule name:Codoso_Gh0st_1
Author:Florian Roth (Nextron Systems)
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:Codoso_Gh0st_1_RID2C2D
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:HeavensGate
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_DiscordURL
Author:ditekSHen
Description:Detects executables Discord URL observed in first stage droppers
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_AveMaria
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Discord_Attachments_URL
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an Discord Attachments URL. This is often used by Malware to download further payloads
Rule name:SUSP_PE_Discord_Attachment_Oct21_1
Author:Florian Roth (Nextron Systems)
Description:Detects suspicious executable with reference to a Discord attachment (often used for malware hosting on a legitimate FQDN)
Reference:Internal Research
Rule name:Windows_Trojan_AveMaria_31d2bce9
Author:Elastic Security

File information


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

Comments