MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bdda49e98eae3912a4309ed3a0f7e861a83af656dbf91122c673e87f825ae45. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4bdda49e98eae3912a4309ed3a0f7e861a83af656dbf91122c673e87f825ae45
SHA3-384 hash: 60c42b4559257f2bdb4a7781158ad33e96b5d31149517605ceaa934dde03767142b3935753016ded0ea76f488afd6715
SHA1 hash: ee685dc085c457e37d3b6a3deb312a422d320627
MD5 hash: b1d0360f3559407064a898e5d83d99d7
humanhash: paris-equal-alanine-shade
File name:file
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:696'320 bytes
First seen:2023-01-25 12:19:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:2u60TacS4nMlcQ2mhyolUQgULr7YL9S+F5IBRKYWTHME2v:ep4qcQv1gLMRun2v
TLSH T1E6E4BE7B7FC12FA6D16887B585D3044C23F0A70760A2EBD23DE844F9C6D5F895B29286
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 1032d232e98c3689 (16 x AgentTesla, 8 x AveMariaRAT, 7 x Formbook)
Reporter jstrosch
Tags:.NET AveMariaRAT exe MSIL

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
avemaria
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-25 12:20:15 UTC
Tags:
trojan stealer rat avemaria
Link:
https://app.any.run/tasks/61b3caa3-e3f3-426e-94b1-8575178c832b

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/356703/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Creating a process from a recently created file
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Creating a file
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63d11e742b351a3d0ea8afe5/reports/6b33a57d-f64f-4fb0-8f34-3835cca8af6d/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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0e24b820-ad18-453f-ac50-5a26a52adff0
Result
Threat name:
AveMaria, DarkTortilla, UACMe
Create hunting rule
Detection:
malicious
Classification:
phis.troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1158668
Signature
.NET source code contains very large array initializations
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Creates an undocumented autostart registry key
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides user accounts
Icon mismatch, binary includes an icon from a different legit application in order to fool users
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
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected DarkTortilla Crypter
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 791405 Sample: file.exe Startdate: 25/01/2023 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 Icon mismatch, binary includes an icon from a different legit application in order to fool users 2->86 88 8 other signatures 2->88 11 file.exe 15 3 2->11         started        process3 dnsIp4 74 www.google.com 142.250.203.100, 443, 49695, 49696 GOOGLEUS United States 11->74 64 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 11->64 dropped 112 Hides that the sample has been downloaded from the Internet (zone.identifier) 11->112 16 cmd.exe 3 11->16         started        20 cmd.exe 1 11->20         started        file5 signatures6 process7 file8 56 C:\Users\user\AppData\Roaming\hamlion.exe, PE32 16->56 dropped 58 C:\Users\user\...\hamlion.exe:Zone.Identifier, ASCII 16->58 dropped 78 Uses ping.exe to sleep 16->78 22 hamlion.exe 14 5 16->22         started        27 conhost.exe 16->27         started        29 PING.EXE 1 16->29         started        31 PING.EXE 1 16->31         started        80 Uses ping.exe to check the status of other devices and networks 20->80 33 reg.exe 1 1 20->33         started        35 PING.EXE 1 20->35         started        37 conhost.exe 20->37         started        signatures9 process10 dnsIp11 66 www.google.com 22->66 60 C:\Users\user\AppData\Local\...\sRmmsBb.exe, PE32 22->60 dropped 90 Multi AV Scanner detection for dropped file 22->90 92 Machine Learning detection for dropped file 22->92 94 Writes to foreign memory regions 22->94 98 2 other signatures 22->98 39 AddInProcess32.exe 6 14 22->39         started        44 sRmmsBb.exe 2 22->44         started        96 Creates an undocumented autostart registry key 33->96 68 127.0.0.1 unknown unknown 35->68 70 192.168.2.1 unknown unknown 35->70 file12 signatures13 process14 dnsIp15 72 185.246.220.237, 49697, 7134 LVLT-10753US Germany 39->72 62 C:\Users\user\AppData\Local\Temp\34.exe, PE32 39->62 dropped 100 Hides user accounts 39->100 102 Increases the number of concurrent connection per server for Internet Explorer 39->102 104 Hides that the sample has been downloaded from the Internet (zone.identifier) 39->104 46 34.exe 39->46         started        106 Antivirus detection for dropped file 44->106 108 Multi AV Scanner detection for dropped file 44->108 110 Machine Learning detection for dropped file 44->110 50 sRmmsBb.exe 44->50         started        file16 signatures17 process18 dnsIp19 76 239.255.255.250 unknown Reserved 46->76 114 Antivirus detection for dropped file 46->114 116 Multi AV Scanner detection for dropped file 46->116 118 Uses netsh to modify the Windows network and firewall settings 46->118 120 Modifies the windows firewall 46->120 52 netsh.exe 46->52         started        signatures20 process21 process22 54 conhost.exe 52->54         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bdda49e98eae3912a4309ed3a0f7e861a83af656dbf91122c673e87f825ae45/
Threat name:
ByteCode-MSIL.Trojan.Casdet
Create hunting rule
Status:
Malicious
First seen:
2023-01-25 12:08:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
22
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpo2jhuy5lrzcksdbhwtud36qynihl3fnw7zcermm47ip6bfvzcq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat upx
Link:
https://tria.ge/reports/230125-phrlvshf2v/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Sets DLL path for service in the registry
UPX packed file
Modifies WinLogon for persistence
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
4bdda49e98eae3912a4309ed3a0f7e861a83af656dbf91122c673e87f825ae45
MD5 hash:
b1d0360f3559407064a898e5d83d99d7
SHA1 hash:
ee685dc085c457e37d3b6a3deb312a422d320627
Link:
https://www.unpac.me/results/fc38a944-467f-4d1f-b82c-764214f85d79/
Malware family:
Warzone
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4bdda49e98ea/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.51
Link:
https://yomi.yoroi.company/submissions/4bdda49e98eae3912a4309ed3a0f7e861a83af656dbf91122c673e87f825ae45

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:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

AveMariaRAT

Executable exe 4bdda49e98eae3912a4309ed3a0f7e861a83af656dbf91122c673e87f825ae45

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/356703/
  
URLhaus
https://urlhaus.abuse.ch/url/2517138/
  
URLhaus
https://urlhaus.abuse.ch/url/2517137/

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