MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b99a02424ba0f5f5e28fc29ae764d80c4f7127e4a0650ea1c6a4ba08c773fd16. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: b99a02424ba0f5f5e28fc29ae764d80c4f7127e4a0650ea1c6a4ba08c773fd16
SHA3-384 hash: 909674a3d9c95dee293d7b5690257247d029c438c2536da31b3502d02ab9588b658645aecb77d2682b5886c19ce4eea8
SHA1 hash: a227d0583cbb11db8a65f882d909cee864723319
MD5 hash: 30e2d82ede96bd1968dc9d08302a4b73
humanhash: mexico-illinois-nebraska-mobile
File name:Remittance.exe
Download: download sample
Signature AveMariaRAT
File size:523'776 bytes
First seen:2021-11-23 07:04:46 UTC
Last seen:2021-11-24 20:49:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:raMKHLZay3Guve1NvQXeD7tYuBF27tD00y0+xDS:mMWLZaQe1NLDRYiFGC0gS
Threatray 1'465 similar samples on MalwareBazaar
TLSH T11EB4D06072CC6EDAD8264AB14C27F1803331F1595866CE2E6C966A4F69637433733B9F
File icon (PE):PE icon
dhash icon 161d995a1a2e567a (2 x AveMariaRAT)
Reporter lowmal3
Tags:AveMariaRAT exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Remittance.exe
Verdict:
Malicious activity
Analysis date:
2021-11-23 07:05:56 UTC
Tags:
trojan stealer rat avemaria

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
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.
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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)
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 526929 Sample: Remittance.exe Startdate: 23/11/2021 Architecture: WINDOWS Score: 100 37 Found malware configuration 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for dropped file 2->41 43 11 other signatures 2->43 7 Remittance.exe 7 2->7         started        process3 file4 27 C:\Users\user\AppData\...\BTWLSpTseqKhv.exe, PE32 7->27 dropped 29 C:\...\BTWLSpTseqKhv.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\Local\...\tmp2897.tmp, XML 7->31 dropped 33 C:\Users\user\AppData\...\Remittance.exe.log, ASCII 7->33 dropped 45 Uses schtasks.exe or at.exe to add and modify task schedules 7->45 47 Writes to foreign memory regions 7->47 49 Allocates memory in foreign processes 7->49 51 2 other signatures 7->51 11 RegSvcs.exe 7->11         started        15 powershell.exe 24 7->15         started        17 powershell.exe 25 7->17         started        19 schtasks.exe 7->19         started        signatures5 process6 dnsIp7 35 185.150.25.243, 3543, 49764 COMBAHTONcombahtonGmbHDE Netherlands 11->35 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Contains functionality to inject threads in other processes 11->55 57 Contains functionality to steal Chrome passwords or cookies 11->57 59 4 other signatures 11->59 21 conhost.exe 15->21         started        23 conhost.exe 17->23         started        25 conhost.exe 19->25         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-11-22 21:30:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
33
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat collection infostealer rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
185.150.25.243:3543
Unpacked files
SH256 hash:
f5c7591201a6bc11a5935fa7a0a534b8b52817ab2b9abca11246bb786a04afc2
MD5 hash:
b40315c7c05b9889a690a1818e7cb827
SHA1 hash:
faddf5f9cfb1f18edaa305873b3740b198c2ad52
Detections:
win_ave_maria_g0 win_ave_maria_auto
SH256 hash:
477cab8d4385172d679200edc6619462de2402d912f21f36981fc058987a6d52
MD5 hash:
16a9ddc4b32981114fe4f069a4353105
SHA1 hash:
bf73849f57c150f9e2199c61427f631be2dfa595
SH256 hash:
44d67c3a56c19a50e922691bb61e1d0f334cb84db247ed33a3586ae7c6f372bc
MD5 hash:
a93872cdb60f944b4bf4d734c831b623
SHA1 hash:
99369cfbc60260916cde6ccc8e3b42d730464de9
SH256 hash:
f71d97c3d42af0eb4cc74e640a995eb0f288bab59b7be5cd89eccb21cd304f36
MD5 hash:
6c72218c48cd68cbcb654675053a0abb
SHA1 hash:
12207fa32070f99683648d87b44410e5d3cdf2de
SH256 hash:
f30ca642597c059f9dbcc6cfea27687245fbcaf5456be0b7a4528d946f3a0a05
MD5 hash:
0f6349011cf5446131faf0cadbace87b
SHA1 hash:
0cd48b5cb5a0ca095043c333c9002ba5273e92e8
SH256 hash:
b99a02424ba0f5f5e28fc29ae764d80c4f7127e4a0650ea1c6a4ba08c773fd16
MD5 hash:
30e2d82ede96bd1968dc9d08302a4b73
SHA1 hash:
a227d0583cbb11db8a65f882d909cee864723319
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:pe_imphash
Rule name:pe_imphash
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.

Malspam

AveMariaRAT

Executable exe b99a02424ba0f5f5e28fc29ae764d80c4f7127e4a0650ea1c6a4ba08c773fd16

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments