MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b55c32fcf66ab2f95d2a079de227e611ac12cc8308845fcb63d317107ee13cb. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b55c32fcf66ab2f95d2a079de227e611ac12cc8308845fcb63d317107ee13cb
SHA3-384 hash: 5d9087bdce6151eebf7894e2fe5fe5e5fc5bc1102ae723ac323f4e429e9baef42748f422babe294c8dd9d555810507de
SHA1 hash: 901fa4121bcbcdc0b435b4f480ec4f76e5fb4b89
MD5 hash: 421709b4977a51c25553c5074ae53494
humanhash: salami-louisiana-emma-wyoming
File name:2b55c32fcf66ab2f95d2a079de227e611ac12cc8308845fcb63d317107ee13cb
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:3'015'417 bytes
First seen:2020-11-10 11:34:31 UTC
Last seen:2024-07-24 12:35:49 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 676f4bc1db7fb9f072b157186a10179e (1'400 x AveMariaRAT, 37 x Riskware.Generic, 2 x njrat)
ssdeep 24576:bZ07A3mZZcVKfIxTiEVc847flVC6faaQDbGV6eH81k6IbGD2JTu0GoZQDbGV6eHv:bZ07A3mw4gxeOw46fUbNecCCFbNecU
Threatray 3'692 similar samples on MalwareBazaar
TLSH 45D5AFE57DBB00EFE322D5B4A00F722044E17D34D965ABAF272FBF1D40D26C5A25261A
Reporter seifreed
Tags:AveMariaRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
63
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
Forced system process termination
Creating a window
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
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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
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/528963
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: 313579 Sample: znfyN7F7yG Startdate: 10/11/2020 Architecture: WINDOWS Score: 100 136 Antivirus detection for dropped file 2->136 138 Antivirus / Scanner detection for submitted sample 2->138 140 Multi AV Scanner detection for submitted file 2->140 142 6 other signatures 2->142 13 znfyN7F7yG.exe 2->13         started        16 wscript.exe 1 2->16         started        18 StikyNot.exe 2->18         started        20 svchost.exe 1 2->20         started        process3 signatures4 212 Detected unpacking (changes PE section rights) 13->212 214 Detected unpacking (creates a PE file in dynamic memory) 13->214 216 Detected unpacking (overwrites its own PE header) 13->216 222 2 other signatures 13->222 22 znfyN7F7yG.exe 1 51 13->22         started        25 cmd.exe 2 13->25         started        27 znfyN7F7yG.exe 16->27         started        218 Tries to detect sandboxes / dynamic malware analysis system (file name check) 18->218 220 Injects a PE file into a foreign processes 18->220 29 StikyNot.exe 18->29         started        31 cmd.exe 18->31         started        process5 signatures6 154 Spreads via windows shares (copies files to share folders) 22->154 156 Writes to foreign memory regions 22->156 158 Allocates memory in foreign processes 22->158 160 Sample is not signed and drops a device driver 22->160 33 znfyN7F7yG.exe 1 3 22->33         started        37 diskperf.exe 5 22->37         started        162 Command shell drops VBS files 25->162 164 Drops VBS files to the startup folder 25->164 39 conhost.exe 25->39         started        166 Tries to detect sandboxes / dynamic malware analysis system (file name check) 27->166 168 Injects a PE file into a foreign processes 27->168 41 znfyN7F7yG.exe 46 27->41         started        43 cmd.exe 27->43         started        170 Sample uses process hollowing technique 29->170 45 conhost.exe 31->45         started        process7 file8 104 C:\Windows\System\explorer.exe, PE32 33->104 dropped 144 Installs a global keyboard hook 33->144 47 explorer.exe 33->47         started        106 C:\Users\user\AppData\Local\...\StikyNot.exe, PE32 37->106 dropped 108 C:\Users\user\...\Disk.sys:Zone.Identifier, ASCII 37->108 dropped 110 C:\Users\...\SyncHost.exe:Zone.Identifier, ASCII 37->110 dropped 112 C:\Users\...\StikyNot.exe:Zone.Identifier, ASCII 37->112 dropped 50 StikyNot.exe 37->50         started        146 Spreads via windows shares (copies files to share folders) 41->146 148 Writes to foreign memory regions 41->148 150 Allocates memory in foreign processes 41->150 152 Injects a PE file into a foreign processes 41->152 52 znfyN7F7yG.exe 41->52         started        54 diskperf.exe 41->54         started        56 conhost.exe 43->56         started        signatures9 process10 signatures11 224 Antivirus detection for dropped file 47->224 226 Detected unpacking (changes PE section rights) 47->226 228 Detected unpacking (overwrites its own PE header) 47->228 238 3 other signatures 47->238 58 explorer.exe 47 47->58         started        62 cmd.exe 47->62         started        230 Detected unpacking (creates a PE file in dynamic memory) 50->230 232 Machine Learning detection for dropped file 50->232 234 Tries to detect sandboxes / dynamic malware analysis system (file name check) 50->234 64 StikyNot.exe 46 50->64         started        66 cmd.exe 1 50->66         started        236 Installs a global keyboard hook 52->236 68 explorer.exe 52->68         started        process12 file13 120 C:\Users\user\AppData\Local\Temp\Disk.sys, PE32 58->120 dropped 122 C:\Users\user\AppData\Local\...\SyncHost.exe, PE32 58->122 dropped 198 Injects code into the Windows Explorer (explorer.exe) 58->198 200 Spreads via windows shares (copies files to share folders) 58->200 202 Writes to foreign memory regions 58->202 204 Allocates memory in foreign processes 58->204 70 explorer.exe 3 17 58->70         started        75 diskperf.exe 58->75         started        77 conhost.exe 62->77         started        79 StikyNot.exe 64->79         started        81 diskperf.exe 64->81         started        83 conhost.exe 66->83         started        206 Tries to detect sandboxes / dynamic malware analysis system (file name check) 68->206 208 Drops executables to the windows directory (C:\Windows) and starts them 68->208 210 Injects a PE file into a foreign processes 68->210 85 explorer.exe 68->85         started        87 cmd.exe 68->87         started        signatures14 process15 dnsIp16 124 vccmd03.googlecode.com 70->124 126 vccmd02.googlecode.com 70->126 128 5 other IPs or domains 70->128 116 C:\Windows\System\spoolsv.exe, PE32 70->116 dropped 118 C:\Users\user\AppData\Roaming\mrsys.exe, PE32 70->118 dropped 172 System process connects to network (likely due to code injection or exploit) 70->172 174 Creates an undocumented autostart registry key 70->174 176 Installs a global keyboard hook 70->176 89 spoolsv.exe 70->89         started        92 spoolsv.exe 70->92         started        178 Spreads via windows shares (copies files to share folders) 85->178 180 Sample uses process hollowing technique 85->180 182 Injects a PE file into a foreign processes 85->182 94 conhost.exe 87->94         started        file17 signatures18 process19 signatures20 184 Antivirus detection for dropped file 89->184 186 Detected unpacking (changes PE section rights) 89->186 188 Machine Learning detection for dropped file 89->188 190 Drops executables to the windows directory (C:\Windows) and starts them 89->190 96 spoolsv.exe 89->96         started        99 cmd.exe 89->99         started        192 Tries to detect sandboxes / dynamic malware analysis system (file name check) 92->192 194 Sample uses process hollowing technique 92->194 196 Injects a PE file into a foreign processes 92->196 process21 file22 130 Spreads via windows shares (copies files to share folders) 96->130 132 Sample uses process hollowing technique 96->132 134 Injects a PE file into a foreign processes 96->134 114 C:\Users\user\AppData\Roaming\...\x.vbs, ASCII 99->114 dropped 102 conhost.exe 99->102         started        signatures23 process24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b55c32fcf66ab2f95d2a079de227e611ac12cc8308845fcb63d317107ee13cb/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2020-11-10 11:39:52 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnk4gl6pm2vs7fosub454it6menmclgigceel7fwhuyxcb7ocpfq._file
Verdict:
unknown
Similar samples:
304a878118613dd0bca8306e932b5f814e45d57a8638cd1412e6c278776538db
AveMariaRAT
3a74b8877e03ea9add7e7edf30c977603981d73c2f061b3948104f1adf6fae03
AveMariaRAT
3e89231dca077c17c8e22b527557da4a34d1a06871f481e39d4a3fb2512f16af
AveMariaRAT
7ce65b62e4bfd353c95b4fce220c6a54a597c9632a7691e66ed67aa673e8d8ce
AveMariaRAT
81b20e60ad4f840303eb2d1b853e38e34cb779bfc7fe8089b100c52f3fe8b587
AveMariaRAT
9507af91a812af02c886d6eccf06af123d9b8346876f2c15187a8bcf86f4203e
AveMariaRAT
ab96b93e8058eb25d541928c48e38476be25aa308f3e340559db0f03c1caa93c
AveMariaRAT
b874fdd1d9afbc72e81c0610014252eef6b5a3bc8fc473519f3bd81707e67902
AveMariaRAT
bcc0caa5fbae72926fb1d1004eaeb92e5d4abc12439cf92e1ee3ed4d427fa38c
AveMariaRAT
e761d308089dba30cc23f8878d984aa1f11b049f2f096e9766db3c92e1ccf290
AveMariaRAT
+ 3'682 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/201110-qcwt8jxbxa/
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:
2b55c32fcf66ab2f95d2a079de227e611ac12cc8308845fcb63d317107ee13cb
MD5 hash:
421709b4977a51c25553c5074ae53494
SHA1 hash:
901fa4121bcbcdc0b435b4f480ec4f76e5fb4b89
Detections:
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/13742925-073d-4540-97b3-c47f2b7c0d1c/
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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