MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4106bc925a8d9a87eb8cb905de3fd10e7b7d0851aa82c3a26de23c552775812d. 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: 15


Intelligence 15 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4106bc925a8d9a87eb8cb905de3fd10e7b7d0851aa82c3a26de23c552775812d
SHA3-384 hash: 27215a6fa4addb4f79e4c26467c939880f0d4a7b659dd9b03e741101f48bb9cab04d75918048ebe58397e711ff9446c9
SHA1 hash: c87c583b57ce52f57ca2bbfcffe59f7bdf5c1899
MD5 hash: 048689296cd422d7d2adba1a355cf1d2
humanhash: oklahoma-uncle-black-blue
File name:gunzipped.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'175'552 bytes
First seen:2023-01-16 06:16:10 UTC
Last seen:2023-01-20 07:17:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:dulY4o9gVf2yq1y2Ish56Gsu6o6TQTAbwP6S+ig5mG+GwtjjbWi9iRWWXvPYPi9L:kK4y0nuyxZ3n
Threatray 1'772 similar samples on MalwareBazaar
TLSH T1AE458D321782FED9E6A71E4C85052E408C4E149BEB68E3D8BDC810AF94D5778EEDD970
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
AveMariaRAT C2:
5.2.68.82:1198

Intelligence

File Origin
# of uploads :
4
# of downloads :
215
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
avemaria
Create hunting rule
ID:
1
File name:
gunzipped.exe
Verdict:
Malicious activity
Analysis date:
2023-01-16 06:18:35 UTC
Tags:
trojan stealer rat avemaria warzone
Link:
https://app.any.run/tasks/cdd3e419-2206-4f7a-8516-557596236c24

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WarzoneRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/353280/
Detection(s):
SecuriteInfo.com.Trojan.MSIL.Inject.19196.16947.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Launching the process to change the firewall settings
Sending a UDP request
Creating a file in the Program Files subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63c4ebdfeceae563152d2690/reports/43265359-1736-40eb-97d9-e750c81b9710/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
AVE_MARIA
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8e49d186-710c-41c7-8c45-da1365233306
Result
Threat name:
AveMaria, EICAR, UACMe, zgRAT
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1152142
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 a thread in another existing process (thread injection)
Encrypted powershell cmdline option found
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 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)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Yara detected EICAR
Yara detected UACMe UAC Bypass tool
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 784874 Sample: gunzipped.exe Startdate: 16/01/2023 Architecture: WINDOWS Score: 100 76 Snort IDS alert for network traffic 2->76 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus / Scanner detection for submitted sample 2->80 82 11 other signatures 2->82 9 gunzipped.exe 1 7 2->9         started        13 Bpnbwsuohrj.exe 3 2->13         started        15 Bpnbwsuohrj.exe 2->15         started        17 3 other processes 2->17 process3 file4 62 C:\Users\user\AppData\...\Bpnbwsuohrj.exe, PE32 9->62 dropped 64 C:\Users\...\Bpnbwsuohrj.exe:Zone.Identifier, ASCII 9->64 dropped 66 C:\Users\user\AppData\...\gunzipped.exe.log, ASCII 9->66 dropped 100 Contains functionality to check if Internet connection is working 9->100 102 Encrypted powershell cmdline option found 9->102 104 Contains functionality to inject threads in other processes 9->104 112 5 other signatures 9->112 19 gunzipped.exe 8 51 9->19         started        24 powershell.exe 16 9->24         started        106 Antivirus detection for dropped file 13->106 108 Multi AV Scanner detection for dropped file 13->108 110 Machine Learning detection for dropped file 13->110 26 powershell.exe 13->26         started        28 Bpnbwsuohrj.exe 13->28         started        30 Bpnbwsuohrj.exe 13->30         started        32 powershell.exe 15->32         started        signatures5 process6 dnsIp7 70 5.2.68.82, 1198, 49703, 49716 LITESERVERNL Netherlands 19->70 72 127.0.0.1 unknown unknown 19->72 74 192.168.2.1 unknown unknown 19->74 58 C:\Users\user\AppData\Local\Temp\11.exe, PE32 19->58 dropped 60 C:\Program Files\Microsoft DN1\sqlmap.dll, PE32+ 19->60 dropped 92 Hides user accounts 19->92 94 Writes to foreign memory regions 19->94 96 Allocates memory in foreign processes 19->96 98 4 other signatures 19->98 34 11.exe 19->34         started        38 powershell.exe 5 19->38         started        40 cmd.exe 1 19->40         started        42 conhost.exe 24->42         started        44 conhost.exe 26->44         started        46 conhost.exe 32->46         started        file8 signatures9 process10 dnsIp11 68 239.255.255.250 unknown Reserved 34->68 84 Antivirus detection for dropped file 34->84 86 Multi AV Scanner detection for dropped file 34->86 88 Uses netsh to modify the Windows network and firewall settings 34->88 90 Modifies the windows firewall 34->90 48 netsh.exe 3 34->48         started        50 WerFault.exe 34->50         started        52 conhost.exe 38->52         started        54 conhost.exe 40->54         started        signatures12 process13 process14 56 conhost.exe 48->56         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4106bc925a8d9a87eb8cb905de3fd10e7b7d0851aa82c3a26de23c552775812d/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-01-16 06:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iedlzes2rwnip24mxec54p6rbz5x2ccrvkbmhitn4i6fkj3vqewq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
1136869b303bfb491fda58869c898c19d9086fe34fd752018e49804481c6fbb1
AveMariaRAT
22913f02fbd3267035e5a3b80d2e6fcf22e076096daa2f8ca615fee30d341554
AveMariaRAT
6da6fa5a959ad50302b32db9fad3862abcbd0597402941d66935203300d52821
AveMariaRAT
8b69babe730fbc56fc2e9a2a8be28e380931bedf8118a5a8be9d97678781c9c7
AveMariaRAT
a13d5f2dedff839d945268116a3ba08cc0d5e17ed2b519477d118b447c02929f
AveMariaRAT
b9c205ac1dc948cb5cfa1976b97d531df0b99d8e5d58be4eabbefdf8005984b3
AveMariaRAT
d0d03da3e2d11c18da8588b4061ea885005160f3bfb0f30f62aa582285ed2e9f
AveMariaRAT
+ 1'762 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat collection evasion infostealer persistence rat spyware stealer upx
Link:
https://tria.ge/reports/230116-g12ksaac93/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Modifies WinLogon
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
Modifies Windows Firewall
Sets DLL path for service in the registry
UPX packed file
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
4106bc925a8d9a87eb8cb905de3fd10e7b7d0851aa82c3a26de23c552775812d
MD5 hash:
048689296cd422d7d2adba1a355cf1d2
SHA1 hash:
c87c583b57ce52f57ca2bbfcffe59f7bdf5c1899
Link:
https://www.unpac.me/results/0a7de56c-1cff-4594-97f7-b021ffa0f059/
Malware family:
Warzone
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4106bc925a8d/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Ave Maria
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4106bc925a8d9a87eb8cb905de3fd10e7b7d0851aa82c3a26de23c552775812d

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
Create hunting rule
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
Rule name:ave_maria_warzone_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:Codoso_Gh0st_1
Create hunting rule
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:Codoso_Gh0st_1_RID2C2D
Create hunting rule
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Create hunting rule
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:MALWARE_Win_AveMaria
Create hunting rule
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_EXEPWSH_DLAgent
Create hunting rule
Author:ditekSHen
Description:Detects SystemBC
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AveMaria_31d2bce9
Create hunting rule
Author:Elastic Security

File information

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

Malspam

AveMariaRAT

gz b4d40fb0a869c29c9b2445f332cc287d1c040b3f87d2c345e19b0b0c9b273338

AveMariaRAT

Executable exe 4106bc925a8d9a87eb8cb905de3fd10e7b7d0851aa82c3a26de23c552775812d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/353280/
  
Dropped by
SHA256 b4d40fb0a869c29c9b2445f332cc287d1c040b3f87d2c345e19b0b0c9b273338
  
Dropped by
MD5 31f6b61e8a19499e84a0e6407dca00ba

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