MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 df6b12e28602092e6841be50355a76684b5333b236cf9b8441dd73fc1abbf4ae. 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 5 File information Comments

SHA256 hash: df6b12e28602092e6841be50355a76684b5333b236cf9b8441dd73fc1abbf4ae
SHA3-384 hash: 79ec802d519723b10dafc2a2a801feef0ae1c78d2f3432349e77d5f0fd92dd4157702862a15967f935c4537ea28ddb40
SHA1 hash: ee8ee337bbf0c316d937ab39c474fb44a9c2284f
MD5 hash: d5b0e55b8f079ecb68617895537b90a5
humanhash: uniform-queen-magazine-uranus
File name:DOC1118364.exe
Download: download sample
Signature AveMariaRAT
File size:623'048 bytes
First seen:2020-09-15 07:09:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:m4MonJCQ0qK69NpmP/zwhh93B4+N4nMMAtbcMIBMXSblAJF:m4dnk09NwMhz3H4MMKMqJF
Threatray 426 similar samples on MalwareBazaar
TLSH 18D4F059C949C6D2FC9A72FC65003340DBB44C1A8A5EA8B737B4BBFDAA711803F57A05
Reporter GovCERT_CH
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Adding an access-denied ACE
Creating a file
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Setting a keyboard event handler
Creating a file in the %AppData% directory
Deleting a recently created file
Reading critical registry keys
Creating a file in the %temp% directory
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Contains functionality to create processes via WMI
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 files in alternative data streams (ADS)
Creates processes via WMI
Drops script or batch files to the startup folder
Hides threads from debuggers
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 dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Tries to steal Mail credentials (via file access)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 285522 Sample: DOC1118364.exe Startdate: 15/09/2020 Architecture: WINDOWS Score: 100 69 Malicious sample detected (through community Yara rule) 2->69 71 Multi AV Scanner detection for dropped file 2->71 73 Multi AV Scanner detection for submitted file 2->73 75 7 other signatures 2->75 10 DOC1118364.exe 1 2->10         started        14 cmd.exe 2->14         started        process3 file4 59 C:\Users\user\AppData\...\DOC1118364.exe.log, ASCII 10->59 dropped 85 Drops script or batch files to the startup folder 10->85 87 Contains functionality to inject threads in other processes 10->87 89 Contains functionality to steal Chrome passwords or cookies 10->89 91 3 other signatures 10->91 16 DOC1118364.exe 4 8 10->16         started        20 DOC1118364.exe 10->20         started        22 DOC1118364.exe 10->22         started        28 2 other processes 10->28 24 WMIC.exe 14->24         started        26 conhost.exe 14->26         started        signatures5 process6 file7 51 C:\ProgramData\images.exe, PE32 16->51 dropped 53 C:\ProgramData:ApplicationData, PE32 16->53 dropped 55 C:\Users\user\AppData\...\programs.bat:start, ASCII 16->55 dropped 57 2 other malicious files 16->57 dropped 63 Creates files in alternative data streams (ADS) 16->63 65 Increases the number of concurrent connection per server for Internet Explorer 16->65 30 images.exe 1 16->30         started        33 powershell.exe 25 16->33         started        67 Creates processes via WMI 24->67 signatures8 process9 signatures10 93 Multi AV Scanner detection for dropped file 30->93 95 Machine Learning detection for dropped file 30->95 97 Hides threads from debuggers 30->97 35 images.exe 4 30->35         started        39 images.exe 30->39         started        41 conhost.exe 33->41         started        process11 dnsIp12 61 51.143.13.25, 4400, 49718 MICROSOFT-CORP-MSN-AS-BLOCKUS United Kingdom 35->61 77 Tries to steal Mail credentials (via file access) 35->77 79 Writes to foreign memory regions 35->79 81 Allocates memory in foreign processes 35->81 83 2 other signatures 35->83 43 powershell.exe 24 35->43         started        45 cmd.exe 35->45         started        signatures13 process14 process15 47 conhost.exe 43->47         started        49 conhost.exe 45->49         started       
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-09-14 23:21:27 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  2/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
persistence spyware
Behaviour
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
NTFS ADS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
JavaScript code in executable
Adds Run key to start application
JavaScript code in executable
Loads dropped DLL
Reads user/profile data of web browsers
Drops startup file
Loads dropped DLL
Reads user/profile data of web browsers
Drops startup file
Executes dropped EXE
Executes dropped EXE
ServiceHost packer
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

File information


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

Malspam

AveMariaRAT

Executable exe df6b12e28602092e6841be50355a76684b5333b236cf9b8441dd73fc1abbf4ae

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments