MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b393eb9bb8d0ce7b7017e2b2440c06dc892c3064b4123c14e27638faf72fd7d4. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b393eb9bb8d0ce7b7017e2b2440c06dc892c3064b4123c14e27638faf72fd7d4
SHA3-384 hash: 38528aacb7ac73a355fbd302753902b63fa22f60b39edfdf7efbd1b91161a299091b72e6251f47cb9e861b160564bffb
SHA1 hash: 89300fe11b8b2f333bbf35f2196883a18b51cc1f
MD5 hash: d5acfac64c985dd65d6691be56ab9d4c
humanhash: mississippi-orange-magazine-mississippi
File name:COA_PL_INV_BL_098765432123456789098765.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:23'040 bytes
First seen:2022-07-01 05:56:58 UTC
Last seen:2022-07-01 06:44:30 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 384:WKtI8hGV0eZxH5D9Vt5pj3oNMsY4iknZm5s8sElO3R:Htbq7P8aVrwUs8sSOh
TLSH T15DA25B522785C27FC8AD47F2AD72C64416B1BC8DA4F29A4E7CC5B11B2A3376101DDB2A
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 d0d8d0c4c4c4dcd4 (12 x RemcosRAT, 3 x NanoCore, 3 x AveMariaRAT)
Reporter GovCERT_CH
Tags:AveMariaRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/284759/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1407.14813.5411.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62be8cae92576789c493d41d/reports/d20dfd13-47fd-4dab-b6c2-0eda429aac9a/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f6d0d80c-7b9d-491c-82c6-6614e6b1295d
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/1022985
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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)
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected MSILDownloaderGeneric
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 655480 Sample: COA_PL_INV_BL_0987654321234... Startdate: 01/07/2022 Architecture: WINDOWS Score: 100 62 power22.myftp.org 2->62 64 geoplugin.net 2->64 72 Multi AV Scanner detection for domain / URL 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for dropped file 2->76 78 11 other signatures 2->78 10 COA_PL_INV_BL_098765432123456789098765.exe 16 6 2->10         started        15 eths.exe 14 2 2->15         started        17 eths.exe 2->17         started        signatures3 process4 dnsIp5 70 westwoodlodge.co.zw 192.185.170.102, 443, 49742, 49766 UNIFIEDLAYER-AS-1US United States 10->70 52 C:\Users\user\AppData\Roaming\...\eths.exe, PE32 10->52 dropped 54 C:\Users\user\...\eths.exe:Zone.Identifier, ASCII 10->54 dropped 56 COA_PL_INV_BL_0987...56789098765.exe.log, ASCII 10->56 dropped 88 Contains functionality to check if Internet connection is working 10->88 90 Encrypted powershell cmdline option found 10->90 92 Contains functionality to inject threads in other processes 10->92 94 4 other signatures 10->94 19 COA_PL_INV_BL_098765432123456789098765.exe 3 19 10->19         started        24 powershell.exe 15 10->24         started        26 COA_PL_INV_BL_098765432123456789098765.exe 10->26         started        28 COA_PL_INV_BL_098765432123456789098765.exe 10->28         started        file6 signatures7 process8 dnsIp9 66 power22.myftp.org 193.169.255.203, 4202, 49758, 49777 WHF-LTD-ASPL Poland 19->66 68 cdn.discordapp.com 162.159.134.233, 443, 49765 CLOUDFLARENETUS United States 19->68 48 C:\Users\user\AppData\Roaming\d.EiaGIrf.exe, PE32 19->48 dropped 50 C:\Users\user\...\LAfv6r273i4uhwH[1].exe, PE32 19->50 dropped 80 Writes to foreign memory regions 19->80 82 Allocates memory in foreign processes 19->82 84 Increases the number of concurrent connection per server for Internet Explorer 19->84 86 3 other signatures 19->86 30 d.EiaGIrf.exe 19->30         started        34 cmd.exe 1 19->34         started        36 conhost.exe 24->36         started        file10 signatures11 process12 file13 58 C:\Users\user\AppData\...\JpNWtDidfpz.exe, PE32 30->58 dropped 60 C:\Users\user\AppData\Local\...\tmp6F1B.tmp, XML 30->60 dropped 96 Machine Learning detection for dropped file 30->96 98 Uses schtasks.exe or at.exe to add and modify task schedules 30->98 100 Adds a directory exclusion to Windows Defender 30->100 38 powershell.exe 30->38         started        40 schtasks.exe 30->40         started        42 conhost.exe 34->42         started        signatures14 process15 process16 44 conhost.exe 38->44         started        46 conhost.exe 40->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b393eb9bb8d0ce7b7017e2b2440c06dc892c3064b4123c14e27638faf72fd7d4/
Threat name:
ByteCode-MSIL.Spyware.Noon
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Status:
Malicious
First seen:
2022-07-01 02:32:35 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 40 (47.50%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=woj6xg5y2dhhw4ax4kzeidag3sesymdewqjdyfhcoy4pv5zp27ka._file
Verdict:
malicious
Label(s):
avemaria
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remcos
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Result
Malware family:
warzonerat
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Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
Link:
https://tria.ge/reports/220701-gnk29seghq/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Downloads MZ/PE file
Executes dropped EXE
Warzone RAT Payload
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
b393eb9bb8d0ce7b7017e2b2440c06dc892c3064b4123c14e27638faf72fd7d4
MD5 hash:
d5acfac64c985dd65d6691be56ab9d4c
SHA1 hash:
89300fe11b8b2f333bbf35f2196883a18b51cc1f
Link:
https://www.unpac.me/results/85be6546-9a30-4341-ad50-5876073e0722/
Malware family:
Warzone
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b393eb9bb8d0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/b393eb9bb8d0ce7b7017e2b2440c06dc892c3064b4123c14e27638faf72fd7d4

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 b393eb9bb8d0ce7b7017e2b2440c06dc892c3064b4123c14e27638faf72fd7d4

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/284759/

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