MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b25b947bdc377e8687d31119c22f6dcf00ca8589c5ae5dca91b209c14a214f2c. 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 6 File information Comments
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SHA256 hash: b25b947bdc377e8687d31119c22f6dcf00ca8589c5ae5dca91b209c14a214f2c
SHA3-384 hash: acfe5b8bcf9067f01a5b15564d66d75577175f62b7cfdacf21f4aaf159441b71151379b3e55a883334e904ee91701174
SHA1 hash: 518c05d3571937d41621daa5c1f6bfa43a0f5679
MD5 hash: 910f33e06c353be908eff55d74d98c0c
humanhash: beryllium-beer-edward-twenty
File name:b25b947bdc377e8687d31119c22f6dcf00ca8589c5ae5dca91b209c14a214f2c
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:1'931'104 bytes
First seen:2020-11-14 17:53:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7be4c98eebb39d282cdffc1cea8fb470 (661 x AveMariaRAT, 29 x Riskware.Generic)
ssdeep 12288:f016HFuWu5HJ1Dvo9BvIpMs6x+DwpJ+6Jpv9AkeztDpA7W2FeDSIGVH/KIDgDgUT:fZ+3dQ7x+DwxCAQDbGV6eH8tkw
Threatray 470 similar samples on MalwareBazaar
TLSH 8B957D61311424A7CA13EBB5BC4FA790A8D17CAE32057ACE6FFBBC0989776807546347
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
66
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
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
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/536308
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to detect sleep reduction / modifications
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 dropped file
Multi AV Scanner detection for submitted file
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 317254 Sample: nBtC8mMKbs Startdate: 15/11/2020 Architecture: WINDOWS Score: 100 125 Antivirus detection for dropped file 2->125 127 Antivirus / Scanner detection for submitted sample 2->127 129 Multi AV Scanner detection for submitted file 2->129 131 6 other signatures 2->131 13 nBtC8mMKbs.exe 1 51 2->13         started        16 StikyNot.exe 46 2->16         started        18 SyncHost.exe 2->18         started        20 2 other processes 2->20 process3 signatures4 189 Detected unpacking (changes PE section rights) 13->189 191 Detected unpacking (overwrites its own PE header) 13->191 193 Spreads via windows shares (copies files to share folders) 13->193 203 5 other signatures 13->203 22 nBtC8mMKbs.exe 1 3 13->22         started        26 diskperf.exe 5 13->26         started        195 Injects a PE file into a foreign processes 16->195 28 StikyNot.exe 16->28         started        30 diskperf.exe 16->30         started        197 Antivirus detection for dropped file 18->197 199 Detected unpacking (creates a PE file in dynamic memory) 18->199 201 Machine Learning detection for dropped file 18->201 32 SyncHost.exe 18->32         started        34 WerFault.exe 20->34         started        process5 file6 105 C:\Windows\System\explorer.exe, PE32 22->105 dropped 157 Installs a global keyboard hook 22->157 36 explorer.exe 47 22->36         started        107 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 26->107 dropped 109 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 26->109 dropped 111 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 26->111 dropped 113 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 26->113 dropped 40 StikyNot.exe 26->40         started        42 explorer.exe 28->42         started        signatures7 process8 file9 99 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 36->99 dropped 101 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 36->101 dropped 133 Antivirus detection for dropped file 36->133 135 Detected unpacking (changes PE section rights) 36->135 137 Detected unpacking (creates a PE file in dynamic memory) 36->137 151 4 other signatures 36->151 44 explorer.exe 3 17 36->44         started        49 diskperf.exe 36->49         started        139 Multi AV Scanner detection for dropped file 40->139 141 Detected unpacking (overwrites its own PE header) 40->141 143 Machine Learning detection for dropped file 40->143 51 StikyNot.exe 40->51         started        53 diskperf.exe 40->53         started        145 Injects code into the Windows Explorer (explorer.exe) 42->145 147 Drops executables to the windows directory (C:\Windows) and starts them 42->147 149 Spreads via windows shares (copies files to share folders) 42->149 55 explorer.exe 42->55         started        signatures10 process11 dnsIp12 119 vccmd03.googlecode.com 44->119 121 vccmd02.googlecode.com 44->121 123 5 other IPs or domains 44->123 115 C:\Windows\System\spoolsv.exe, PE32 44->115 dropped 117 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 44->117 dropped 205 System process connects to network (likely due to code injection or exploit) 44->205 207 Creates an undocumented autostart registry key 44->207 209 Installs a global keyboard hook 44->209 57 spoolsv.exe 46 44->57         started        60 spoolsv.exe 46 44->60         started        62 spoolsv.exe 44->62         started        66 2 other processes 44->66 64 explorer.exe 51->64         started        file13 signatures14 process15 signatures16 173 Antivirus detection for dropped file 57->173 175 Detected unpacking (changes PE section rights) 57->175 177 Detected unpacking (creates a PE file in dynamic memory) 57->177 187 5 other signatures 57->187 68 spoolsv.exe 2 57->68         started        72 diskperf.exe 57->72         started        179 Spreads via windows shares (copies files to share folders) 60->179 181 Injects a PE file into a foreign processes 60->181 74 spoolsv.exe 60->74         started        76 diskperf.exe 60->76         started        183 Drops executables to the windows directory (C:\Windows) and starts them 62->183 78 spoolsv.exe 62->78         started        80 diskperf.exe 62->80         started        185 Sample uses process hollowing technique 64->185 82 spoolsv.exe 66->82         started        84 spoolsv.exe 66->84         started        86 2 other processes 66->86 process17 file18 103 C:\Windows\System\svchost.exe, PE32 68->103 dropped 153 Installs a global keyboard hook 68->153 88 svchost.exe 68->88         started        155 Drops executables to the windows directory (C:\Windows) and starts them 74->155 91 svchost.exe 74->91         started        signatures19 process20 signatures21 159 Antivirus detection for dropped file 88->159 161 Detected unpacking (changes PE section rights) 88->161 163 Detected unpacking (overwrites its own PE header) 88->163 165 Machine Learning detection for dropped file 88->165 93 svchost.exe 88->93         started        95 diskperf.exe 88->95         started        167 Spreads via windows shares (copies files to share folders) 91->167 169 Sample uses process hollowing technique 91->169 171 Injects a PE file into a foreign processes 91->171 process22 process23 97 WerFault.exe 93->97         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b25b947bdc377e8687d31119c22f6dcf00ca8589c5ae5dca91b209c14a214f2c/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-14 17:54:15 UTC
AV detection:
26 of 28 (92.86%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wjnzi664g57inb6tcem4el3nz4amvbmjywxf3surwie4csrbj4wa._file
Verdict:
unknown
Similar samples:
143351152c41df32cdb16965fcdc462217d3ac7781d3681a75611611322e8c63
AveMariaRAT
18763bf77f725b8679382ccdc7f254d553f4d3b11d8ea169797c1d94dbecd768
AveMariaRAT
3b54db2c531f5e21083e264061e59582ade79943dccdb81423cfbbbce91196b0
AveMariaRAT
3cd5b417da7f2669ab50ca5eb317c5bab97fb0286c5efa496c8e7c638df56096
AveMariaRAT
8d405bdaaedf41102dc65233ebddc3a8d332aa9c548168da91e6b35a96630df0
AveMariaRAT
b35235ed63a5f9eb7f6b55c5e3b5db6abeb32b4b791a8da87087eaead1953201
AveMariaRAT
e4557ad41ffc67c35040ae32fa4f0c957ec166db020f3066cf03c909fbe4ea74
AveMariaRAT
e9d9443947b693b52dcbc27a0da86e3a5d5cafe2d9023e792ee573c52b0fc148
AveMariaRAT
fd8d043f076ff1fa49472ef39692d8a5fff8f3f5d931b89831078a03c0457bcc
AveMariaRAT
ff8111f3f289a8ff4b459920471df4fc0cfd4f43c0ae072c95cd56aaf33e5d5e
AveMariaRAT
+ 460 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-kzjdsyc5lx/
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:
b25b947bdc377e8687d31119c22f6dcf00ca8589c5ae5dca91b209c14a214f2c
MD5 hash:
910f33e06c353be908eff55d74d98c0c
SHA1 hash:
518c05d3571937d41621daa5c1f6bfa43a0f5679
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/bdfba105-5244-4e53-ba12-aa4b67e0420d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Tinba
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b25b947bdc377e8687d31119c22f6dcf00ca8589c5ae5dca91b209c14a214f2c

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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