MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8741d652a6bc1469248c950ca37f037b3a0b3bbf25725afe5ae38f177439cc86. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments

SHA256 hash: 8741d652a6bc1469248c950ca37f037b3a0b3bbf25725afe5ae38f177439cc86
SHA3-384 hash: bf735e04b42eef9b1f0f1e58516c13c0aeb9a7830b8d054d5ae2d82bea832a007dbcf7ca63894be52e50da3caebfafd6
SHA1 hash: c7adf43e33b210f9e5d5baf1a1a8e4625bf73b10
MD5 hash: ba8e8251a3e5c1f88ee606792d01caf5
humanhash: charlie-muppet-fish-chicken
File name:ba8e8251a3e5c1f88ee606792d01caf5.exe
Download: download sample
Signature AveMariaRAT
File size:752'296 bytes
First seen:2022-06-26 07:44:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:eDlAospH53BLKyngLj00vCVBwhhvljwiM+CQ06C7G9Z2Hr0KDAD8my:eYpHNBLKXj7vsihhdMiyuCAYca
Threatray 3'683 similar samples on MalwareBazaar
TLSH T116F4F08EDD2090A9DD246D7EA05005F44AF73EFCC9A4172A57E876590BB32F3697308B
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 92292b3373338e69 (2 x AveMariaRAT, 1 x Formbook)
Reporter abuse_ch
Tags:AveMariaRAT exe RAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
overlay packed
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
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
Encrypted powershell cmdline option found
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 652399 Sample: 8Csu2rxiqz.exe Startdate: 26/06/2022 Architecture: WINDOWS Score: 100 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 Multi AV Scanner detection for submitted file 2->49 51 8 other signatures 2->51 7 8Csu2rxiqz.exe 1 7 2->7         started        11 Sotbk.exe 3 2->11         started        13 Sotbk.exe 3 2->13         started        process3 file4 29 C:\Users\user\AppData\Roaming\...\Sotbk.exe, PE32 7->29 dropped 31 C:\Users\user\...\Sotbk.exe:Zone.Identifier, ASCII 7->31 dropped 33 C:\Users\user\AppData\...\8Csu2rxiqz.exe.log, ASCII 7->33 dropped 53 Encrypted powershell cmdline option found 7->53 55 Writes to foreign memory regions 7->55 57 Injects a PE file into a foreign processes 7->57 15 MSBuild.exe 3 2 7->15         started        19 powershell.exe 15 7->19         started        59 Antivirus detection for dropped file 11->59 61 Machine Learning detection for dropped file 11->61 21 powershell.exe 14 11->21         started        23 powershell.exe 13->23         started        signatures5 process6 dnsIp7 35 45.162.228.171, 26112 QNAXLTDABR Brazil 15->35 37 Contains functionality to inject threads in other processes 15->37 39 Contains functionality to steal Chrome passwords or cookies 15->39 41 Contains functionality to steal e-mail passwords 15->41 43 2 other signatures 15->43 25 conhost.exe 19->25         started        27 conhost.exe 21->27         started        signatures8 process9
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2022-06-26 07:45:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
27
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
45.162.228.171:26112
Unpacked files
SH256 hash:
49f39f3f681c82db212de5f7bfe1b37848494963b716bfd2ac5de94ed9a16110
MD5 hash:
73844e4cc14e02134f470715466bd237
SHA1 hash:
f7c8ba57b6cd451b55c641c7dab09d3f4e4d043f
SH256 hash:
35242fa6b6208332d11900313358c826a6c2698e986915ba88d12356afcdc9b4
MD5 hash:
0d29ba7283214b822df63cdff6a56996
SHA1 hash:
9e938c24d1be3d49bacabc5d53ec88bcd2b9a4cd
SH256 hash:
8741d652a6bc1469248c950ca37f037b3a0b3bbf25725afe5ae38f177439cc86
MD5 hash:
ba8e8251a3e5c1f88ee606792d01caf5
SHA1 hash:
c7adf43e33b210f9e5d5baf1a1a8e4625bf73b10
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: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_RegKeyComb_IExecuteCommandCOM
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:MALWARE_Win_AveMaria
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:MAL_Lokibot_Stealer
Description:Detects Lokibot Stealer Variants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Skystars_Malware_Imphash
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 8741d652a6bc1469248c950ca37f037b3a0b3bbf25725afe5ae38f177439cc86

(this sample)

  
Delivery method
Distributed via web download

Comments