MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9304945a7861c54835756769121882659324cdf1c5f2d549b1355ffa78f717d. 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


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9304945a7861c54835756769121882659324cdf1c5f2d549b1355ffa78f717d
SHA3-384 hash: 4b690f0f5c4141bb3ec466d05942ab01c84d2cafd26e155907a21822bacc0e3e56068348d685a82ad0d7ba10d5d0642c
SHA1 hash: 84b689920a66c8b02864adc3e894c58e83284e28
MD5 hash: 8d3803e0de5b9df8f15f2da3270b39fe
humanhash: vermont-vegan-seven-apart
File name:PO_1529246.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:328'192 bytes
First seen:2022-05-24 14:22:30 UTC
Last seen:2022-05-24 14:45:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'753 x AgentTesla, 19'658 x Formbook, 12'249 x SnakeKeylogger)
ssdeep 384:Ms2mSwaXWlsyeVa3wegRwyCoxmk5mw8TE+6kv8S+8HCHuiyJMPFhjC:Ms2TwYWlsyes3NByLmw8TEKkS+jbO
Threatray 2'987 similar samples on MalwareBazaar
TLSH T12564B471B5FEC2C0C2A87939EC4BB0F84550EE65D9619C1F3C997E0A3871AA1F93065E
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 316d4d4d5d554569 (4 x AgentTesla, 4 x Stealc, 3 x RemcosRAT)
Reporter GovCERT_CH
Tags:AveMariaRAT exe WarzoneRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
530
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
avemaria
Create hunting rule
ID:
1
File name:
PO_1529246.exe
Verdict:
Malicious activity
Analysis date:
2022-05-25 00:32:33 UTC
Tags:
trojan stealer rat avemaria loader warzone
Link:
https://app.any.run/tasks/21ebcb77-7650-4281-b205-b1c2cc07d221

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/274146/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/628cea46054dcf0ecae7f0bb/reports/e767dfce-7617-4903-bff6-1b35d31d8c6f/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:
Formbook
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48f23616-a226-4261-87e1-32a341a026a2
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/1000733
Signature
.NET source code contains potential unpacker
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 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
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected Generic Downloader
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 633229 Sample: PO_1529246.exe Startdate: 24/05/2022 Architecture: WINDOWS Score: 100 62 Snort IDS alert for network traffic 2->62 64 Found malware configuration 2->64 66 Malicious sample detected (through community Yara rule) 2->66 68 11 other signatures 2->68 7 PO_1529246.exe 16 7 2->7         started        12 Tyuahq.exe 14 3 2->12         started        14 Tyuahq.exe 3 2->14         started        process3 dnsIp4 50 2.56.56.114, 49741, 49785, 49790 GBTCLOUDUS Netherlands 7->50 42 C:\Users\user\AppData\Roaming\...\Tyuahq.exe, PE32 7->42 dropped 44 C:\Users\user\...\Tyuahq.exe:Zone.Identifier, ASCII 7->44 dropped 46 C:\Users\user\AppData\...\PO_1529246.exe.log, ASCII 7->46 dropped 70 Writes to foreign memory regions 7->70 72 Allocates memory in foreign processes 7->72 74 Injects a PE file into a foreign processes 7->74 16 InstallUtil.exe 7->16         started        19 InstallUtil.exe 3 2 7->19         started        22 cmd.exe 1 7->22         started        24 InstallUtil.exe 7->24         started        76 Antivirus detection for dropped file 12->76 78 Multi AV Scanner detection for dropped file 12->78 80 Machine Learning detection for dropped file 12->80 26 cmd.exe 1 12->26         started        28 cmd.exe 14->28         started        file5 signatures6 process7 dnsIp8 52 Contains functionality to inject threads in other processes 16->52 54 Contains functionality to steal Chrome passwords or cookies 16->54 56 Contains functionality to steal e-mail passwords 16->56 48 2.56.57.85, 49796, 49800, 49805 GBTCLOUDUS Netherlands 19->48 58 Increases the number of concurrent connection per server for Internet Explorer 19->58 60 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->60 30 conhost.exe 22->30         started        32 timeout.exe 1 22->32         started        34 conhost.exe 26->34         started        36 timeout.exe 1 26->36         started        38 conhost.exe 28->38         started        40 timeout.exe 1 28->40         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9304945a7861c54835756769121882659324cdf1c5f2d549b1355ffa78f717d/
Threat name:
ByteCode-MSIL.Backdoor.Androm
Create hunting rule
Status:
Malicious
First seen:
2022-05-24 14:19:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xeyesrnhqyofja2xkz3jcimiezmtetg7drps2ve3cnk77j4pof6q._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
3fde1e49973012edb45c7010ab78a81163dc7a1be8833374c8bcaa0ad4694990
AveMariaRAT
42a2782ef59284d7a9b8d29c85fc3db18cc548963ebc6e2db25fb2c813e9d69b
AveMariaRAT
4abd870d8eb2906d9078054500da763598f720b23d21b97cececb3829a4a06c7
AveMariaRAT
5852bf7347b25ab7e1f19cd1ce6e09a5c0fd0a6bf3282db4273e0a2446476af7
AveMariaRAT
84d5ccba988508bb603f776e189e83bc500a7e96ff59fafe824a8418526b4cfc
AveMariaRAT
87b49f5381e9870bfda19fe73f05fbead0fa012553ed7a4ca03e69228bd0618c
AveMariaRAT
bb95fa20a55260f729584b7932c7dba208dcc5b0a7597be447a72e481e0dcb09
AveMariaRAT
+ 2'977 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/220524-rp4wwahgbl/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Warzone RAT Payload
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
2.56.57.85:56925
Unpacked files
SH256 hash:
b9304945a7861c54835756769121882659324cdf1c5f2d549b1355ffa78f717d
MD5 hash:
8d3803e0de5b9df8f15f2da3270b39fe
SHA1 hash:
84b689920a66c8b02864adc3e894c58e83284e28
Link:
https://www.unpac.me/results/6e9fd207-0bcb-4f5b-b924-071fcb30b620/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b9304945a7861c54835756769121882659324cdf1c5f2d549b1355ffa78f717d

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.

Malspam

AveMariaRAT

Executable exe b9304945a7861c54835756769121882659324cdf1c5f2d549b1355ffa78f717d

(this sample)

  
Dropped by
warzonerat
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/274146/

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