MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9ef69bd0b38ec9381f02d44dd893c75ac6c1e6a96f4e320416636860d05d398. 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: 7


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: e9ef69bd0b38ec9381f02d44dd893c75ac6c1e6a96f4e320416636860d05d398
SHA3-384 hash: c52b5a35ff01fdd24613cf94c3641cbe864d20f17d5c8718f988659e19e4a409e8b0f799c7f3f2b080bddaca22a5290a
SHA1 hash: 8937659efd8752d544cec3246ff1a470a1b311bd
MD5 hash: 0c6f8c687cfa49f3cb5880249c2e48f4
humanhash: north-angel-beryllium-steak
File name:SF-0419.exe
Download: download sample
Signature AveMariaRAT
File size:142'648 bytes
First seen:2020-10-06 05:58:14 UTC
Last seen:2020-10-06 07:22:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 1536:XNyQd1An54jVGozzIXGRqfR6Bo15APzAQzZVe0AJUUfs:9yoYR6Bo3PMv2s
Threatray 446 similar samples on MalwareBazaar
TLSH 78D35E37BE7C475CD2AA86317CF6423121A7AF9797524A98B3CDFD2F48B512C9110AC2
Reporter abuse_ch
Tags:AveMariaRAT CHN exe geo


Avatar
abuse_ch
Malspam distributing AveMariaRAT:

HELO: server.pous.us
Sending IP: 5.206.227.71
From: SF Express <milwaukieor@snapfitness.com>
Reply-To: milwaukieor@snapfitness.com
Subject: 待处理的包裹通知
Attachment: SF-0419.iso (contains "SF-0419.exe")

AveMariaRAT C2:
wzefi.duckdns.org

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a process with a hidden window
Sending a UDP request
DNS request
Sending a custom TCP request
Adding an access-denied ACE
Creating a file
Launching cmd.exe command interpreter
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
Unauthorized injection to a system process
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
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)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 293604 Sample: SF-0419.exe Startdate: 06/10/2020 Architecture: WINDOWS Score: 100 56 wzefi.duckdns.org 2->56 58 104.23.98.190, 443, 49769 CLOUDFLARENETUS United States 2->58 60 pastebin.com 2->60 68 Malicious sample detected (through community Yara rule) 2->68 70 Yara detected AntiVM_3 2->70 72 Yara detected AveMaria stealer 2->72 74 5 other signatures 2->74 9 SF-0419.exe 18 4 2->9         started        14 SF-0419.exe 2 2->14         started        16 SF-0419.exe 2->16         started        18 SF-0419.exe 2->18         started        signatures3 process4 dnsIp5 64 pastebin.com 104.23.99.190, 443, 49738, 49760 CLOUDFLARENETUS United States 9->64 54 C:\Users\user\AppData\Roaming\...\SF-0419.exe, PE32 9->54 dropped 90 Creates an undocumented autostart registry key 9->90 92 Creates autostart registry keys with suspicious names 9->92 94 Creates multiple autostart registry keys 9->94 104 2 other signatures 9->104 20 aspnet_state.exe 3 2 9->20         started        24 aspnet_state.exe 9->24         started        26 timeout.exe 1 9->26         started        28 WerFault.exe 23 9 9->28         started        66 192.168.2.1 unknown unknown 14->66 96 Writes to foreign memory regions 14->96 98 Allocates memory in foreign processes 14->98 100 Hides threads from debuggers 14->100 30 timeout.exe 1 14->30         started        38 4 other processes 14->38 102 Injects a PE file into a foreign processes 16->102 32 timeout.exe 16->32         started        34 aspnet_state.exe 16->34         started        36 timeout.exe 18->36         started        file6 signatures7 process8 dnsIp9 62 wzefi.duckdns.org 194.5.97.15, 49742, 49754, 49761 DANILENKODE Netherlands 20->62 76 Writes to foreign memory regions 20->76 78 Allocates memory in foreign processes 20->78 80 Increases the number of concurrent connection per server for Internet Explorer 20->80 88 2 other signatures 20->88 40 cmd.exe 1 20->40         started        82 Contains functionality to inject threads in other processes 24->82 84 Contains functionality to steal Chrome passwords or cookies 24->84 86 Contains functionality to steal e-mail passwords 24->86 42 conhost.exe 26->42         started        44 conhost.exe 30->44         started        46 conhost.exe 32->46         started        48 conhost.exe 36->48         started        50 WerFault.exe 38->50         started        signatures10 process11 process12 52 conhost.exe 40->52         started       
Threat name:
ByteCode-MSIL.Spyware.AveMaria
Status:
Malicious
First seen:
2020-10-06 01:17:17 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Modifies WinLogon for persistence
Unpacked files
SH256 hash:
e9ef69bd0b38ec9381f02d44dd893c75ac6c1e6a96f4e320416636860d05d398
MD5 hash:
0c6f8c687cfa49f3cb5880249c2e48f4
SHA1 hash:
8937659efd8752d544cec3246ff1a470a1b311bd
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:Cobalt_functions
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
Rule name:Codoso_Gh0st_1
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:Codoso_Gh0st_2
Author:Florian Roth
Description:Detects Codoso APT Gh0st Malware
Reference:https://www.proofpoint.com/us/exploring-bergard-old-malware-new-tricks
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:win_ave_maria_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AveMariaRAT

Executable exe e9ef69bd0b38ec9381f02d44dd893c75ac6c1e6a96f4e320416636860d05d398

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments