MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b. 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: 17


Intelligence 17 IOCs YARA 24 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b
SHA3-384 hash: 14876b76ba8289fa739cc9e72f54c4509c2f283dcc42d4d45002e90bbd75e3fc7d39ccd1d351e0e1af68a39140db6881
SHA1 hash: a1700084e8ac46abe7612605623e02128a18b2a2
MD5 hash: 95c3df5b6840fc840c329011aa1a1afd
humanhash: friend-muppet-mountain-california
File name:95c3df5b6840fc840c329011aa1a1afd
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:135'168 bytes
First seen:2023-09-18 15:47:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 56fc94e02d7bc310030753938e49a91a (55 x AveMariaRAT, 1 x Worm.Ramnit)
ssdeep 3072:K7W9jps0Tx4azG6GweOTir5axbjNCz45LT7a:KwpsERzGKurEXCzeLT7a
Threatray 549 similar samples on MalwareBazaar
TLSH T120D39D13BBE64436E6F202B02DB97E7597BCF9341A25C68BA3945446AC32C44FE36353
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter zbetcheckin
Tags:32 AveMariaRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
305
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
avemaria
Create hunting rule
ID:
1
File name:
Readme.lnk
Verdict:
Malicious activity
Analysis date:
2023-09-18 15:13:08 UTC
Tags:
warzone rat remote avemaria zgrat backdoor asyncrat
Link:
https://app.any.run/tasks/9f533143-599a-4010-807c-dbd48acfb98b

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/449407/
Detection(s):
Win.Malware.AveMaria-8799014-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file
Creating a process from a recently created file
Launching cmd.exe command interpreter
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Gathering data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd cobalt crypto evasive explorer fingerprint gh0st greyware hacktool keylogger lolbin shell32 stealer threat
Link:
https://www.filescan.io/uploads/6508713743cd377b1e9f5e62/reports/ae013efb-4467-4e3f-82ca-f5d0834f4138/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b
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/efbbb00b-61b5-4a30-8fff-193c7b51fe89
Result
Threat name:
AveMaria, UACMe
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1310181
Signature
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 create processes via WMI
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)
Creates files in alternative data streams (ADS)
Creates processes via WMI
Drops PE files to the document folder of the user
Drops script or batch files to the startup folder
Found evasive API chain (may stop execution after checking mutex)
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1310181 Sample: iOX7oRgDse.exe Startdate: 18/09/2023 Architecture: WINDOWS Score: 100 48 remotes1338.hopto.org 2->48 52 Found malware configuration 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for dropped file 2->56 58 10 other signatures 2->58 9 iOX7oRgDse.exe 5 8 2->9         started        13 cmd.exe 1 2->13         started        15 updater.exe 1 2->15         started        17 2 other processes 2->17 signatures3 process4 file5 40 C:\Users\user\Documents\updater.exe, PE32 9->40 dropped 42 C:\Users\user\...\Documents:ApplicationData, PE32 9->42 dropped 44 C:\Users\user\...\updater.exe:Zone.Identifier, ASCII 9->44 dropped 46 2 other malicious files 9->46 dropped 72 Creates files in alternative data streams (ADS) 9->72 74 Drops PE files to the document folder of the user 9->74 76 Contains functionality to hide user accounts 9->76 78 8 other signatures 9->78 19 updater.exe 2 9->19         started        23 powershell.exe 21 9->23         started        25 WMIC.exe 1 13->25         started        27 conhost.exe 13->27         started        signatures6 process7 dnsIp8 50 remotes1338.hopto.org 172.105.234.48, 5252 LINODE-APLinodeLLCUS United States 19->50 60 Antivirus detection for dropped file 19->60 62 Multi AV Scanner detection for dropped file 19->62 64 Found evasive API chain (may stop execution after checking mutex) 19->64 70 10 other signatures 19->70 29 cmd.exe 1 19->29         started        32 powershell.exe 19->32         started        34 conhost.exe 23->34         started        66 Contains functionality to create processes via WMI 25->66 68 Creates processes via WMI 25->68 signatures9 process10 signatures11 80 Contains functionality to hide user accounts 29->80 36 conhost.exe 29->36         started        38 conhost.exe 32->38         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-09-18 11:42:03 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
30 of 35 (85.71%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wonmo4elo6k2pkajoplkosv7yovwx33w6t3nqf5bj43eryvdisfq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
1c5699711124435212e153e9778e82a1e67a194e3736463896e1c0a576b91677
AveMariaRAT
287d5151a1e3009d79543ca7c343088e6104a308812101e7caa8397a9310af3a
AveMariaRAT
383601dd286cddf2da8c84ef05cc53416cc4ad308ba53276d52a02562883024a
AveMariaRAT
3da2da75681d61e8bcfde31b394b6512b4e1ba03fe7d436e9cbb9404ee95c9a5
AveMariaRAT
966794e8fc1be091307b4aaeee721920734278ddae04eda17f205ffada16422c
AveMariaRAT
d0ea29feebc8734fd4c8d700956908b64546161298bce475099cb4d2b6d76877
AveMariaRAT
f39ab4435d56184a143a55aaf080d672d3695f101e4516a31b89b465906e3fb0
AveMariaRAT
+ 539 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Link:
https://tria.ge/reports/230918-s8rw4acf93/
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Drops startup file
Executes dropped EXE
Loads dropped DLL
Warzone RAT payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
remotes1338.hopto.org:5252
Unpacked files
SH256 hash:
b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b
MD5 hash:
95c3df5b6840fc840c329011aa1a1afd
SHA1 hash:
a1700084e8ac46abe7612605623e02128a18b2a2
Detections:
Warzone
Create hunting rule
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/faf33f5f-1fcf-43a8-9c60-210ab4026ce1/
Parent samples :
b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b
e15157101bd327603b208ceed5daf8b58b8feb2913569dfe35b444b1a48167e5
824d90efe2a2835e2cc858198a50daa3b76e830cc2f62ce4aa2f30389fd46078
Malware family:
Warzone
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b39ac7708b77/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/b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b

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:avemaria_rat_yhub
Create hunting rule
Author:Billy Austin
Description:Detects AveMaria RAT a.k.a. WarZone
Rule name:AveMaria_WarZone
Create hunting rule
Rule name:ave_maria_warzone_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Codoso_Gh0st_1
Create hunting rule
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
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_2
Create hunting rule
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_2_RID2C2E
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
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:MALWARE_Win_WarzoneRAT
Create hunting rule
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:MAL_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
Rule name:RAT_win_warzone
Create hunting rule
Author:KrknSec
Description:Detects AveMaria/Warzone RAT binaries.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.ave_maria
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
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.

Web download

AveMariaRAT

Executable exe b39ac7708b7795a7a80973d6a74abfc3ab6bef76f4f6d817a14f3648e2a3448b

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2712344/
  
URLhaus
https://urlhaus.abuse.ch/url/2712343/
Cape
Cape
https://www.capesandbox.com/analysis/449407/

Comments


Avatar
zbet commented on 2023-09-18 15:47:34 UTC

url : hxxps://filebin.net/qksc7kcncap9iv46/updater_.exe