MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef27aedc3d878a6fc5cfeafd8a152dbf9db47434b94695853a932ee6df5e7299. 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 7 File information Comments
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SHA256 hash: ef27aedc3d878a6fc5cfeafd8a152dbf9db47434b94695853a932ee6df5e7299
SHA3-384 hash: b8c0c3570efcd10feb244da743988dcb3e71deae68e67ea8f830bc35fa2c94e7fb31091dcf36057df784d25be13a17cc
SHA1 hash: 4a1ca4918ec28bd902624e07a5c6d50e3d872817
MD5 hash: 2fbfde81f53d24a0022ac27838c4c8bb
humanhash: uncle-bacon-massachusetts-asparagus
File name:ef27aedc3d878a6fc5cfeafd8a152dbf9db47434b94695853a932ee6df5e7299
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'930'929 bytes
First seen:2020-11-14 18:29:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:mox2szZuDXLYGyGrg3AgegnHptkjUdZIUktO/mVDdrN8vA7W2FeDSIGVH/KIDgD/:mVX/GEAegHkjUdzarQDbGV6eH81kk
Threatray 15 similar samples on MalwareBazaar
TLSH BA958DE1B9B20457C517B8B2AC0FD2206F1AFE3D5700A69B1B693E1D98BF6C16163353
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
PUA.Win.Packer.Asprotect-3
Create hunting rule

Win.Malware.Daqc-6598201-0
Create hunting rule

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

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

Win.Malware.Eclv-9782803-0
Create hunting rule

Win.Malware.Eclv-9782804-0
Create hunting rule

Win.Malware.Eclv-9782973-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file in the %temp% directory
Creating a file
Launching a process
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
Creating a file in the mass storage device
Unauthorized injection to a system process
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/535088
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
Multi AV Scanner detection for submitted file
Sample is not signed and drops a device driver
Sample uses process hollowing technique
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 316643 Sample: Jk94R1NX3E Startdate: 14/11/2020 Architecture: WINDOWS Score: 100 166 Antivirus detection for dropped file 2->166 168 Antivirus / Scanner detection for submitted sample 2->168 170 Multi AV Scanner detection for submitted file 2->170 172 6 other signatures 2->172 12 Jk94R1NX3E.exe 1 51 2->12         started        15 SyncHost.exe 2->15         started        17 StikyNot.exe 46 2->17         started        19 4 other processes 2->19 process3 dnsIp4 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->188 198 4 other signatures 12->198 22 Jk94R1NX3E.exe 1 3 12->22         started        26 diskperf.exe 5 12->26         started        190 Antivirus detection for dropped file 15->190 192 Machine Learning detection for dropped file 15->192 194 Sample uses process hollowing technique 15->194 196 Injects a PE file into a foreign processes 17->196 28 StikyNot.exe 17->28         started        30 diskperf.exe 17->30         started        108 127.0.0.1 unknown unknown 19->108 signatures5 process6 file7 92 C:\Windows\System\explorer.exe, PE32 22->92 dropped 174 Installs a global keyboard hook 22->174 32 explorer.exe 47 22->32         started        94 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 26->94 dropped 96 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 26->96 dropped 98 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 26->98 dropped 36 StikyNot.exe 46 26->36         started        signatures8 process9 file10 88 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 32->88 dropped 90 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 32->90 dropped 116 Antivirus detection for dropped file 32->116 118 Detected unpacking (creates a PE file in dynamic memory) 32->118 120 Machine Learning detection for dropped file 32->120 128 3 other signatures 32->128 38 explorer.exe 3 17 32->38         started        43 diskperf.exe 32->43         started        122 Detected unpacking (changes PE section rights) 36->122 124 Detected unpacking (overwrites its own PE header) 36->124 126 Spreads via windows shares (copies files to share folders) 36->126 130 2 other signatures 36->130 45 StikyNot.exe 36->45         started        47 diskperf.exe 36->47         started        signatures11 process12 dnsIp13 110 vccmd03.googlecode.com 38->110 112 vccmd02.googlecode.com 38->112 114 5 other IPs or domains 38->114 100 C:\Windows\System\spoolsv.exe, PE32 38->100 dropped 102 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 38->102 dropped 176 System process connects to network (likely due to code injection or exploit) 38->176 178 Creates an undocumented autostart registry key 38->178 180 Installs a global keyboard hook 38->180 49 spoolsv.exe 46 38->49         started        52 spoolsv.exe 46 38->52         started        54 spoolsv.exe 46 38->54         started        59 3 other processes 38->59 182 Drops executables to the windows directory (C:\Windows) and starts them 45->182 56 explorer.exe 45->56         started        file14 signatures15 process16 file17 132 Antivirus detection for dropped file 49->132 134 Detected unpacking (changes PE section rights) 49->134 136 Detected unpacking (creates a PE file in dynamic memory) 49->136 150 3 other signatures 49->150 61 spoolsv.exe 49->61         started        65 diskperf.exe 49->65         started        138 Spreads via windows shares (copies files to share folders) 52->138 140 Writes to foreign memory regions 52->140 142 Allocates memory in foreign processes 52->142 67 spoolsv.exe 52->67         started        69 diskperf.exe 52->69         started        144 Injects a PE file into a foreign processes 54->144 71 spoolsv.exe 54->71         started        73 diskperf.exe 54->73         started        104 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 56->104 dropped 146 Sample uses process hollowing technique 56->146 148 Drops executables to the windows directory (C:\Windows) and starts them 59->148 75 spoolsv.exe 59->75         started        77 spoolsv.exe 59->77         started        79 3 other processes 59->79 signatures18 process19 file20 106 C:\Windows\System\svchost.exe, PE32 61->106 dropped 200 Installs a global keyboard hook 61->200 81 svchost.exe 61->81         started        202 Drops executables to the windows directory (C:\Windows) and starts them 67->202 84 svchost.exe 67->84         started        signatures21 process22 signatures23 152 Antivirus detection for dropped file 81->152 154 Detected unpacking (changes PE section rights) 81->154 156 Detected unpacking (overwrites its own PE header) 81->156 158 Machine Learning detection for dropped file 81->158 86 svchost.exe 81->86         started        160 Spreads via windows shares (copies files to share folders) 84->160 162 Sample uses process hollowing technique 84->162 164 Injects a PE file into a foreign processes 84->164 process24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef27aedc3d878a6fc5cfeafd8a152dbf9db47434b94695853a932ee6df5e7299/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 18:34:40 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54t25xb5q6fg7rop5l6yufjnx6o3i5buxfdjlbj2smxonx26okmq._file
Verdict:
unknown
Similar samples:
001c504cf2caa2e49e36b4d1465743615a3d6324c18970d633e7a8aadef98a5d
AveMariaRAT
0bcb3deaf045b18b7e0c9f1e6407ba74502aebce9b59f4c806e408e8e8df569e
AveMariaRAT
2fe35a045b5cb09c0201966f207004807c4922e606d5577e2129b7d60111cb0f
AveMariaRAT
4390e77a28de9b4c39a397a5db1aa6103cf577083d71bc8bdac84821444dccc7
AveMariaRAT
51de6a5e2a34adaa5fede04b7274fce7fea89f54b2100ba09f11662e9f9132c2
AveMariaRAT
6dc2a55dc97fd31e18005ea424a6fb704d28fd4d8916c7b1bb4c0886a1a6cff3
AveMariaRAT
78cde368378580e53cdb26fb666cae61f09a3ee39a59361f1c7b7415818826cf
AveMariaRAT
81ed3f8f6d90a3100f95802d859c1556e974c932e8d7487bf58321651dcff2d6
AveMariaRAT
8eaaf1350173b5bc131ff60092dd24ddb94c9612dee51942a889d57dc34625ff
AveMariaRAT
bc02ea5cec64a11fe6de318b33b326406975d85c46b58a094a6d893a09f6ed83
AveMariaRAT
+ 5 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/201114-bn2fmjlz7n/
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:
ef27aedc3d878a6fc5cfeafd8a152dbf9db47434b94695853a932ee6df5e7299
MD5 hash:
2fbfde81f53d24a0022ac27838c4c8bb
SHA1 hash:
4a1ca4918ec28bd902624e07a5c6d50e3d872817
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/13b89e98-1242-4b0d-b0d3-03f684501f2d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ef27aedc3d878a6fc5cfeafd8a152dbf9db47434b94695853a932ee6df5e7299

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:suspicious_packer_section
Create hunting rule
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
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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