MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4557ad41ffc67c35040ae32fa4f0c957ec166db020f3066cf03c909fbe4ea74. 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: 8


Intelligence 8 IOCs YARA 7 File information Comments

SHA256 hash: e4557ad41ffc67c35040ae32fa4f0c957ec166db020f3066cf03c909fbe4ea74
SHA3-384 hash: a003d8b22ae34655fa3ef613b117d7619b8b3822af15aec0ef04735abb2ae4308a1c0f7fee9da6c3e13e7398c91ecaf9
SHA1 hash: b44ea6c66002bacf96d6e8272dc3ce3c7f018953
MD5 hash: 3fa9d55b270953ff17419ba8a42e2651
humanhash: hamper-nuts-happy-mississippi
File name:e4557ad41ffc67c35040ae32fa4f0c957ec166db020f3066cf03c909fbe4ea74
Download: download sample
Signature AveMariaRAT
File size:1'931'043 bytes
First seen:2020-11-12 14:42:26 UTC
Last seen:2024-07-24 22:24:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:4+a6gVujmpPrsbQ/tFYP6VUgerPRVAmC70/w8vccA7W2FeDSIGVH/KIDgDgUeHbh:42OzGGYFgerEqCQDbGV6eH81kB
Threatray 11 similar samples on MalwareBazaar
TLSH 1E958E823B140067E1236AB1A80FA371A519BE3B3F1067BF5B7A7F0D49BB251F516583
Reporter seifreed
Tags:AveMariaRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% directory
Creating a file
Creating a file in the Windows subdirectories
Enabling the 'hidden' option for recently created files
Creating a process from a recently created file
Creating a process with a hidden window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Creating a file in the mass storage device
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:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to hide user accounts
Creates an undocumented autostart registry key
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Sample is not signed and drops a device driver
Sample uses process hollowing technique
Searches for specific processes (likely to inject)
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Spreads via windows shares (copies files to share folders)
System process connects to network (likely due to code injection or exploit)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315519 Sample: NkYnF29F0P Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 122 Antivirus detection for dropped file 2->122 124 Antivirus / Scanner detection for submitted sample 2->124 126 Yara detected AveMaria stealer 2->126 128 5 other signatures 2->128 12 NkYnF29F0P.exe 1 51 2->12         started        15 StikyNot.exe 46 2->15         started        17 SyncHost.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 184 Detected unpacking (changes PE section rights) 12->184 186 Detected unpacking (overwrites its own PE header) 12->186 188 Spreads via windows shares (copies files to share folders) 12->188 202 2 other signatures 12->202 21 NkYnF29F0P.exe 1 3 12->21         started        25 diskperf.exe 5 12->25         started        190 Writes to foreign memory regions 15->190 192 Allocates memory in foreign processes 15->192 194 Injects a PE file into a foreign processes 15->194 27 StikyNot.exe 15->27         started        29 diskperf.exe 15->29         started        196 Antivirus detection for dropped file 17->196 198 Detected unpacking (creates a PE file in dynamic memory) 17->198 200 Machine Learning detection for dropped file 17->200 31 SyncHost.exe 17->31         started        33 WerFault.exe 19->33         started        process5 file6 96 C:\Windows\System\explorer.exe, PE32 21->96 dropped 162 Installs a global keyboard hook 21->162 35 explorer.exe 47 21->35         started        98 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 25->98 dropped 100 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 25->100 dropped 102 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 25->102 dropped 39 StikyNot.exe 46 25->39         started        164 Drops executables to the windows directory (C:\Windows) and starts them 27->164 41 explorer.exe 27->41         started        signatures7 process8 file9 92 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 35->92 dropped 94 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 35->94 dropped 144 Antivirus detection for dropped file 35->144 146 Detected unpacking (creates a PE file in dynamic memory) 35->146 148 Machine Learning detection for dropped file 35->148 160 5 other signatures 35->160 43 explorer.exe 3 17 35->43         started        48 diskperf.exe 35->48         started        150 Detected unpacking (changes PE section rights) 39->150 152 Detected unpacking (overwrites its own PE header) 39->152 154 Spreads via windows shares (copies files to share folders) 39->154 50 StikyNot.exe 39->50         started        52 diskperf.exe 39->52         started        156 Sample uses process hollowing technique 41->156 158 Injects a PE file into a foreign processes 41->158 signatures10 process11 dnsIp12 112 vccmd03.googlecode.com 43->112 114 vccmd02.googlecode.com 43->114 116 5 other IPs or domains 43->116 104 C:\Windows\System\spoolsv.exe, PE32 43->104 dropped 106 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 43->106 dropped 204 System process connects to network (likely due to code injection or exploit) 43->204 206 Creates an undocumented autostart registry key 43->206 208 Installs a global keyboard hook 43->208 54 spoolsv.exe 46 43->54         started        57 spoolsv.exe 46 43->57         started        59 spoolsv.exe 43->59         started        61 2 other processes 43->61 file13 signatures14 process15 signatures16 166 Antivirus detection for dropped file 54->166 168 Detected unpacking (changes PE section rights) 54->168 170 Detected unpacking (creates a PE file in dynamic memory) 54->170 182 3 other signatures 54->182 63 spoolsv.exe 2 54->63         started        67 diskperf.exe 54->67         started        172 Spreads via windows shares (copies files to share folders) 57->172 174 Writes to foreign memory regions 57->174 176 Allocates memory in foreign processes 57->176 69 spoolsv.exe 57->69         started        71 diskperf.exe 57->71         started        178 Drops executables to the windows directory (C:\Windows) and starts them 59->178 180 Injects a PE file into a foreign processes 59->180 73 spoolsv.exe 59->73         started        75 diskperf.exe 59->75         started        77 spoolsv.exe 61->77         started        79 spoolsv.exe 61->79         started        81 2 other processes 61->81 process17 file18 108 C:\Windows\System\svchost.exe, PE32 63->108 dropped 118 Installs a global keyboard hook 63->118 83 svchost.exe 63->83         started        120 Drops executables to the windows directory (C:\Windows) and starts them 69->120 86 svchost.exe 69->86         started        110 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 81->110 dropped signatures19 process20 signatures21 130 Antivirus detection for dropped file 83->130 132 Detected unpacking (changes PE section rights) 83->132 134 Detected unpacking (overwrites its own PE header) 83->134 142 3 other signatures 83->142 88 svchost.exe 83->88         started        90 diskperf.exe 83->90         started        136 Spreads via windows shares (copies files to share folders) 86->136 138 Sample uses process hollowing technique 86->138 140 Injects a PE file into a foreign processes 86->140 process22
Threat name:
Win32.Spyware.AveMaria
Status:
Malicious
First seen:
2020-11-12 14:46:31 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  2/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: GetForegroundWindowSpam
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Installed Components in the registry
Warzone RAT Payload
Modifies WinLogon for persistence
Modifies visiblity of hidden/system files in Explorer
WarzoneRat, AveMaria
Unpacked files
SH256 hash:
e4557ad41ffc67c35040ae32fa4f0c957ec166db020f3066cf03c909fbe4ea74
MD5 hash:
3fa9d55b270953ff17419ba8a42e2651
SHA1 hash:
b44ea6c66002bacf96d6e8272dc3ce3c7f018953
Detections:
win_ave_maria_g0
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:ave_maria_warzone_rat
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Author:James_inthe_box
Description:Chrome in files like avemaria
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:Email_stealer_bin_mem
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:suspicious_packer_section
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:UAC_bypass_bin_mem
Author:James_inthe_box
Description:UAC bypass in files like avemaria

File information


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

  
Delivery method
Other

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