MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fb9d0187ef58360b6877dc38f0509030b2e7d57d060deae2bb6e3233dda8f47d. 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 3 File information Comments

SHA256 hash: fb9d0187ef58360b6877dc38f0509030b2e7d57d060deae2bb6e3233dda8f47d
SHA3-384 hash: 468a9b746846da3b45a03937369eaafe4e7a6730b548a121d432ed8f6230ede1f43ccf6afe8f0e81d91f0000fb4293e2
SHA1 hash: a6741f07439198304cacb0b2f188f659358cead7
MD5 hash: b51451d6e87eca079bc99f7c082d83aa
humanhash: jig-xray-zebra-cola
File name:PO_IN00043INBOM_Specifications Sheet^^^^^dwg.scr
Download: download sample
Signature AveMariaRAT
File size:53'920 bytes
First seen:2022-03-18 11:03:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 768:llqfb92oZU1ZdWNJuCpo/ofX3whOpo/ofX3whI:wbde1ZdWKCpowPghOpowPghI
Threatray 2'406 similar samples on MalwareBazaar
TLSH T19C33096E49AB98D3DFC389F6B2F1D3054DB3A290AE76568B3069F0815C9A750370D4CD
File icon (PE):PE icon
dhash icon c88cc8c8982850f8 (18 x AgentTesla, 16 x AveMariaRAT, 1 x RedLineStealer)
Reporter GovCERT_CH
Tags:AveMariaRAT exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
209
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated overlay packed 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
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Contains functionality to steal Chrome passwords or cookies
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
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
Obfuscated command line found
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
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)
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 591895 Sample: PO_IN00043INBOM_Specificati... Startdate: 18/03/2022 Architecture: WINDOWS Score: 100 72 Found malware configuration 2->72 74 Malicious sample detected (through community Yara rule) 2->74 76 Multi AV Scanner detection for submitted file 2->76 78 9 other signatures 2->78 7 PO_IN00043INBOM_Specifications Sheet^^^^^dwg.exe 16 7 2->7         started        12 Mluztjd.exe 14 3 2->12         started        14 Mluztjd.exe 3 2->14         started        process3 dnsIp4 58 s22.filetransfer.io 104.21.13.139, 443, 49772, 49773 CLOUDFLARENETUS United States 7->58 60 filetransfer.io 172.67.200.96, 443, 49771, 49789 CLOUDFLARENETUS United States 7->60 62 192.168.2.1 unknown unknown 7->62 50 C:\Users\user\AppData\Roaming\...\Mluztjd.exe, PE32 7->50 dropped 52 C:\Users\user\...\Mluztjd.exe:Zone.Identifier, ASCII 7->52 dropped 54 PO_IN00043INBOM_Sp...eet^^^^^dwg.exe.log, ASCII 7->54 dropped 80 Writes to foreign memory regions 7->80 82 Allocates memory in foreign processes 7->82 84 Injects a PE file into a foreign processes 7->84 16 RegAsm.exe 3 4 7->16         started        20 cmd.exe 1 7->20         started        22 cmd.exe 1 7->22         started        86 Multi AV Scanner detection for dropped file 12->86 88 Machine Learning detection for dropped file 12->88 24 cmd.exe 1 12->24         started        26 cmd.exe 12->26         started        28 cmd.exe 14->28         started        30 cmd.exe 14->30         started        file5 signatures6 process7 dnsIp8 56 146.70.94.3, 17554, 49787 TENET-1ZA United Kingdom 16->56 64 Tries to steal Mail credentials (via file / registry access) 16->64 66 Contains functionality to steal Chrome passwords or cookies 16->66 68 Tries to harvest and steal browser information (history, passwords, etc) 16->68 70 2 other signatures 16->70 32 conhost.exe 20->32         started        34 timeout.exe 1 20->34         started        36 conhost.exe 22->36         started        38 timeout.exe 1 22->38         started        40 conhost.exe 24->40         started        42 timeout.exe 1 24->42         started        44 2 other processes 26->44 46 2 other processes 28->46 48 2 other processes 30->48 signatures9 process10
Threat name:
ByteCode-MSIL.Downloader.Seraph
Status:
Malicious
First seen:
2022-03-18 10:55:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
20 of 27 (74.07%)
Threat level:
  3/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer persistence rat
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
Checks computer location settings
Warzonerat
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
146.70.94.3:17554
Unpacked files
SH256 hash:
fb9d0187ef58360b6877dc38f0509030b2e7d57d060deae2bb6e3233dda8f47d
MD5 hash:
b51451d6e87eca079bc99f7c082d83aa
SHA1 hash:
a6741f07439198304cacb0b2f188f659358cead7
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_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 fb9d0187ef58360b6877dc38f0509030b2e7d57d060deae2bb6e3233dda8f47d

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments