MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4bddfa817cd13d4363a1fabceff368bfa8084bab2dc7c5e720fe3102c151f238. 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 6 File information Comments
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SHA256 hash: 4bddfa817cd13d4363a1fabceff368bfa8084bab2dc7c5e720fe3102c151f238
SHA3-384 hash: bfa86ee685ae29518ac519bb94468c9cf1f4254268316b7f45aabc7d1d19f9c78d9a349f6a98fef48bbdbab52b8a28d3
SHA1 hash: 374f9d328857cb89fb4ad9e5580f37424ce83d4b
MD5 hash: 58b7c5d2787371f4c4b6fbeeb4f5ab09
humanhash: emma-freddie-mexico-quiet
File name:4bddfa817cd13d4363a1fabceff368bfa8084bab2dc7c5e720fe3102c151f238
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'015'288 bytes
First seen:2020-11-11 11:32:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:Top7A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHn:Top7A3mw4gxeOw46fUbNecCCFbNecK
Threatray 3'677 similar samples on MalwareBazaar
TLSH 8ED5AEE27E7E200FDA2671B1D04F1580C852BD2C96007BAB3776BE91A4D72CB91D578B
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
62
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.PrivateExeProte-16
Create hunting rule

PUA.Win.Packer.Ep-7
Create hunting rule

PUA.Win.Packer.Embedpe-3
Create hunting rule

PUA.Win.Packer.AcprotectUltraprotect-1
Create hunting rule

PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Ursu-6793772-0
Create hunting rule

Win.Malware.Ursu-6914170-0
Create hunting rule

Win.Malware.Ursu-6914171-0
Create hunting rule

Win.Malware.Cerber-6989221-0
Create hunting rule

Win.Malware.Cryptinject-9785242-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Forced system process termination
Creating a window
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
Unauthorized injection to a recently created process
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
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/532416
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Command shell drops VBS files
Contains functionality to hide user accounts
Contains functionality to inject code into remote processes
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
Drops VBS files to the startup folder
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
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sample uses process hollowing technique
Sigma detected: Drops script at startup location
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)
Tries to detect sandboxes / dynamic malware analysis system (file name check)
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 315310 Sample: V78Pm9qkZm Startdate: 12/11/2020 Architecture: WINDOWS Score: 100 156 Antivirus detection for dropped file 2->156 158 Antivirus / Scanner detection for submitted sample 2->158 160 Multi AV Scanner detection for submitted file 2->160 162 6 other signatures 2->162 13 V78Pm9qkZm.exe 2->13         started        16 wscript.exe 1 2->16         started        19 wscript.exe 2->19         started        21 4 other processes 2->21 process3 dnsIp4 202 Detected unpacking (changes PE section rights) 13->202 204 Detected unpacking (creates a PE file in dynamic memory) 13->204 206 Detected unpacking (overwrites its own PE header) 13->206 208 4 other signatures 13->208 23 V78Pm9qkZm.exe 1 51 13->23         started        26 cmd.exe 2 13->26         started        118 192.168.2.1 unknown unknown 16->118 28 V78Pm9qkZm.exe 16->28         started        30 StikyNot.exe 19->30         started        120 127.0.0.1 unknown unknown 21->120 signatures5 process6 signatures7 164 Spreads via windows shares (copies files to share folders) 23->164 166 Writes to foreign memory regions 23->166 168 Allocates memory in foreign processes 23->168 170 Sample is not signed and drops a device driver 23->170 32 V78Pm9qkZm.exe 1 3 23->32         started        36 diskperf.exe 5 23->36         started        172 Command shell drops VBS files 26->172 174 Drops VBS files to the startup folder 26->174 38 conhost.exe 26->38         started        176 Tries to detect sandboxes / dynamic malware analysis system (file name check) 28->176 178 Injects a PE file into a foreign processes 28->178 40 V78Pm9qkZm.exe 49 28->40         started        42 cmd.exe 1 28->42         started        44 StikyNot.exe 30->44         started        46 cmd.exe 30->46         started        process8 file9 98 C:\Windows\System\explorer.exe, PE32 32->98 dropped 144 Installs a global keyboard hook 32->144 48 explorer.exe 32->48         started        100 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 36->100 dropped 102 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 36->102 dropped 51 StikyNot.exe 36->51         started        104 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 40->104 dropped 106 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 40->106 dropped 146 Spreads via windows shares (copies files to share folders) 40->146 148 Writes to foreign memory regions 40->148 150 Allocates memory in foreign processes 40->150 53 V78Pm9qkZm.exe 40->53         started        55 diskperf.exe 40->55         started        57 conhost.exe 42->57         started        152 Sample uses process hollowing technique 44->152 154 Injects a PE file into a foreign processes 44->154 59 conhost.exe 46->59         started        signatures10 process11 signatures12 128 Antivirus detection for dropped file 48->128 130 Detected unpacking (changes PE section rights) 48->130 132 Detected unpacking (creates a PE file in dynamic memory) 48->132 142 3 other signatures 48->142 61 explorer.exe 47 48->61         started        65 cmd.exe 1 48->65         started        134 Machine Learning detection for dropped file 51->134 136 Tries to detect sandboxes / dynamic malware analysis system (file name check) 51->136 138 Injects a PE file into a foreign processes 51->138 67 StikyNot.exe 46 51->67         started        69 cmd.exe 1 51->69         started        140 Installs a global keyboard hook 53->140 71 explorer.exe 53->71         started        process13 file14 112 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 61->112 dropped 114 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 61->114 dropped 210 Injects code into the Windows Explorer (explorer.exe) 61->210 212 Spreads via windows shares (copies files to share folders) 61->212 214 Injects a PE file into a foreign processes 61->214 73 explorer.exe 61->73         started        78 diskperf.exe 61->78         started        80 conhost.exe 65->80         started        216 Sample uses process hollowing technique 67->216 82 conhost.exe 69->82         started        218 Tries to detect sandboxes / dynamic malware analysis system (file name check) 71->218 220 Drops executables to the windows directory (C:\Windows) and starts them 71->220 84 explorer.exe 71->84         started        86 cmd.exe 71->86         started        signatures15 process16 dnsIp17 122 vccmd03.googlecode.com 73->122 124 vccmd02.googlecode.com 73->124 126 4 other IPs or domains 73->126 108 C:\Windows\System\spoolsv.exe, PE32 73->108 dropped 110 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 73->110 dropped 188 System process connects to network (likely due to code injection or exploit) 73->188 190 Creates an undocumented autostart registry key 73->190 192 Drops executables to the windows directory (C:\Windows) and starts them 73->192 194 Installs a global keyboard hook 73->194 88 spoolsv.exe 73->88         started        196 Spreads via windows shares (copies files to share folders) 84->196 198 Sample uses process hollowing technique 84->198 200 Injects a PE file into a foreign processes 84->200 91 conhost.exe 86->91         started        file18 signatures19 process20 signatures21 180 Antivirus detection for dropped file 88->180 182 Machine Learning detection for dropped file 88->182 184 Tries to detect sandboxes / dynamic malware analysis system (file name check) 88->184 186 2 other signatures 88->186 93 cmd.exe 88->93         started        process22 file23 116 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 93->116 dropped 96 conhost.exe 93->96         started        process24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4bddfa817cd13d4363a1fabceff368bfa8084bab2dc7c5e720fe3102c151f238/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-11 11:37:06 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jpo7val42e6ugy5b7k6o743ix6uaqs5lfxd4lzza7yyqfqkr6i4a._file
Verdict:
unknown
Similar samples:
0e25e4a05fadbcb038a39f2f0101f46cb1f9e9bad53d83dd786e161640284dce
AveMariaRAT
1cfea3d02575ae87c924799eb10ed2cad9e37e0b44a70fc709cc740732dead05
AveMariaRAT
1f8600b60d064d1ba46fda4940bf96dd4b51b8f0bb112be0788e057d2d9d447a
AveMariaRAT
5a2af124338b13ddda97cd7aa74e14a0888eb96fad8358e12199c53a32882b26
AveMariaRAT
6072a25f58eaf293b3f31ef014eb910b1d01406f935233bf5f6329f01ce9adfa
AveMariaRAT
a597feb1835307dd3115e535a07ad16544b7950dd1de4e4247bc3bc49f02a487
AveMariaRAT
afcb9b9cea390afa06e9e54614c8f076d46e6287580dde8580bc7709801e1722
AveMariaRAT
b0eaa2efe187733039268d68ec5cd916930eb30418149fa1a109ae9f9b478744
AveMariaRAT
bcc0caa5fbae72926fb1d1004eaeb92e5d4abc12439cf92e1ee3ed4d427fa38c
AveMariaRAT
e45c74bd8cab75f90d3d7e0b624f727f420779202380015b4c781a821a8c5158
AveMariaRAT
+ 3'667 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat evasion infostealer persistence rat
Link:
https://tria.ge/reports/201111-p5y8mw6za6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
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:
4bddfa817cd13d4363a1fabceff368bfa8084bab2dc7c5e720fe3102c151f238
MD5 hash:
58b7c5d2787371f4c4b6fbeeb4f5ab09
SHA1 hash:
374f9d328857cb89fb4ad9e5580f37424ce83d4b
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/4cceabdc-22d1-4623-9007-4461302252b9/
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
Create hunting rule
Author:jeFF0Falltrades
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Codoso_Gh0st_1
Create hunting rule
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
Create hunting rule
Author:James_inthe_box
Description:Email in files like avemaria
Rule name:RDPWrap
Create hunting rule
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:UAC_bypass_bin_mem
Create hunting rule
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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