MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 36981ea2e9ccb73809a6fe8956552f0e84a39e7684fc1982b6f52a2ce0ffd11d. 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: 11


Intelligence 11 IOCs YARA 13 File information Comments
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SHA256 hash: 36981ea2e9ccb73809a6fe8956552f0e84a39e7684fc1982b6f52a2ce0ffd11d
SHA3-384 hash: 5612c9f8b4cf1e9ca8cd9661a065afc16207fb7bf76903eb1f6877bfb4a766125433923df1a9311ee8765ea49921bc4b
SHA1 hash: 54cdd102d215a5edcb99d4ae1e47d0bbc5be5c7f
MD5 hash: 31c2210575bbe8d39a0bc5c785433675
humanhash: red-wyoming-connecticut-music
File name:IMAGE07062022.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:66'048 bytes
First seen:2022-06-07 16:53:45 UTC
Last seen:2022-06-07 17:43:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 768:SVDVi/1uFIZMYIIIIIIXllllllWvfIIQIWR1gRkg8Zg0kNK2Rpg3tNp1tnZDg/J:SVpCzHgeGUvDgB
Threatray 7'532 similar samples on MalwareBazaar
TLSH T10353D662B7448A85E93B1B78442ADF900526AFBA7935E54940B47C333B33EC71C99CDB
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 0b1333332b2f3333 (18 x AgentTesla, 5 x AveMariaRAT, 2 x OskiStealer)
Reporter GovCERT_CH
Tags:AgentTesla AveMariaRAT exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
362
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
avemaria
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ID:
1
File name:
IMAGE07062022.exe
Verdict:
Malicious activity
Analysis date:
2022-06-07 16:59:11 UTC
Tags:
trojan stealer rat avemaria loader agenttesla
Link:
https://app.any.run/tasks/9f1170e5-26f2-4385-81a5-5c01ec2c1bd2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/277476/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.2458.31717.27057.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/629f82b15dc88d357168e035/reports/25897c17-c971-45ab-bfd9-a8c74c68f3d2/overview
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
AVEMARIA
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0daf5377-8cb0-4f98-b451-fd808e3031df
Result
Threat name:
AgentTesla, AveMaria, UACMe
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1008408
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Found evasive API chain checking for user administrative privileges
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides user accounts
Increases the number of concurrent connection per server for Internet Explorer
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AveMaria stealer
Yara detected Costura Assembly Loader
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 640903 Sample: IMAGE07062022.exe Startdate: 07/06/2022 Architecture: WINDOWS Score: 100 74 api.telegram.org 2->74 80 Snort IDS alert for network traffic 2->80 82 Malicious sample detected (through community Yara rule) 2->82 84 Antivirus detection for URL or domain 2->84 86 19 other signatures 2->86 10 IMAGE07062022.exe 16 7 2->10         started        15 Wasju.exe 14 3 2->15         started        17 Wasju.exe 2->17         started        19 3 other processes 2->19 signatures3 process4 dnsIp5 78 2.58.149.2, 49743, 49853, 49856 GBTCLOUDUS Netherlands 10->78 68 C:\Users\user\AppData\Roaming\...\Wasju.exe, PE32 10->68 dropped 70 C:\Users\user\...\Wasju.exe:Zone.Identifier, ASCII 10->70 dropped 72 C:\Users\user\...\IMAGE07062022.exe.log, ASCII 10->72 dropped 112 Writes to foreign memory regions 10->112 114 Allocates memory in foreign processes 10->114 116 Injects a PE file into a foreign processes 10->116 21 InstallUtil.exe 8 22 10->21         started        26 InstallUtil.exe 10->26         started        28 cmd.exe 1 10->28         started        118 Multi AV Scanner detection for dropped file 15->118 120 Machine Learning detection for dropped file 15->120 30 cmd.exe 15->30         started        32 cmd.exe 17->32         started        file6 signatures7 process8 dnsIp9 76 officeday2022.ddns.net 45.137.22.35, 49852, 5200 ROOTLAYERNETNL Netherlands 21->76 62 C:\Users\user\AppData\Roaming\oeyGbGJGp.exe, PE32 21->62 dropped 64 C:\Users\user\AppData\Local\...\trans[1].exe, PE32 21->64 dropped 66 C:\Program Files\Microsoft DN1\sqlmap.dll, PE32+ 21->66 dropped 96 Hides user accounts 21->96 98 Increases the number of concurrent connection per server for Internet Explorer 21->98 100 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->100 102 Installs a global keyboard hook 21->102 34 oeyGbGJGp.exe 6 21->34         started        104 Contains functionality to inject threads in other processes 26->104 106 Contains functionality to steal Chrome passwords or cookies 26->106 108 Contains functionality to steal e-mail passwords 26->108 110 Found evasive API chain checking for user administrative privileges 26->110 38 timeout.exe 1 28->38         started        40 conhost.exe 28->40         started        42 conhost.exe 32->42         started        44 timeout.exe 32->44         started        file10 signatures11 process12 file13 58 C:\Users\user\AppData\Roaming\KJwIlScg.exe, PE32 34->58 dropped 60 C:\Users\user\AppData\Local\...\tmp5A1B.tmp, XML 34->60 dropped 88 Antivirus detection for dropped file 34->88 90 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 34->90 92 Machine Learning detection for dropped file 34->92 94 3 other signatures 34->94 46 schtasks.exe 34->46         started        48 oeyGbGJGp.exe 34->48         started        50 oeyGbGJGp.exe 34->50         started        52 conhost.exe 38->52         started        54 timeout.exe 38->54         started        signatures14 process15 process16 56 conhost.exe 46->56         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/36981ea2e9ccb73809a6fe8956552f0e84a39e7684fc1982b6f52a2ce0ffd11d/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2022-06-07 15:11:14 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g2mb5ixjzs3tqcng72evmvjpb2ckhhtwqt6btavw6uvczyh72eoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
avemaria
Create hunting rule
masslogger
Create hunting rule
Similar samples:
1814342a47e6ea264ef34d80e36d9363a83d4a2d09a6eaf8fb2759f59697dd74
AveMariaRAT
36ce2a91dc933eb6146e07e09147be9f86b736fd97d01bd5d7b9fccbedbb7d70
AveMariaRAT
44ce9bbea2b67d562f6b2b7941dc55df7049621fe8ffde240686fb8b7bfd4354
AveMariaRAT
46dff1fda981f377a8ae116f14a7a4352e373787186606d2c5a91ae0c6c25609
AveMariaRAT
8328152ab55ce7e84797021a67502bae6236c6cb359fb87dd1c0e7153fb1201d
AveMariaRAT
d4ab1b2e0d1a1a389c3e8f40237b7f7b40ba798468e2d73abe416b927bbe8f13
AveMariaRAT
d8bbb318b7db225f134c3bff2300f60614d87276dc038efe6370f1f52c44828a
AveMariaRAT
fea29fb2293dfa888c3ce64dba2e775b2793b7f2edd4bd647dd5d2a96d1bdc04
AveMariaRAT
+ 7'522 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat collection infostealer persistence rat suricata
Link:
https://tria.ge/reports/220607-veh37schh4/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Downloads MZ/PE file
Executes dropped EXE
Sets DLL path for service in the registry
Warzone RAT Payload
WarzoneRat, AveMaria
suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin
suricata: ET MALWARE Ave Maria/Warzone RAT Encrypted CnC Checkin (Inbound)
Malware Config
C2 Extraction:
officeday2022.ddns.net:5200
Unpacked files
SH256 hash:
36981ea2e9ccb73809a6fe8956552f0e84a39e7684fc1982b6f52a2ce0ffd11d
MD5 hash:
31c2210575bbe8d39a0bc5c785433675
SHA1 hash:
54cdd102d215a5edcb99d4ae1e47d0bbc5be5c7f
Link:
https://www.unpac.me/results/703632aa-4cd8-4804-a9f6-400180d0a253/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/36981ea2e9cc/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/36981ea2e9ccb73809a6fe8956552f0e84a39e7684fc1982b6f52a2ce0ffd11d

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:AveMaria
Create hunting rule
Author:@bartblaze
Description:Identifies AveMaria aka WarZone RAT.
Rule name:ave_maria_warzone_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:Codoso_Gh0st_1_RID2C2D
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:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_IExecuteCommandCOM
Create hunting rule
Author:ditekSHen
Description:Detects executables embedding command execution via IExecuteCommand COM object
Rule name:MALWARE_Win_AveMaria
Create hunting rule
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Create hunting rule
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:MAL_Lokibot_Stealer
Create hunting rule
Description:Detects Lokibot Stealer Variants
Rule name:pe_imphash
Create hunting rule
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:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AveMariaRAT

Executable exe 36981ea2e9ccb73809a6fe8956552f0e84a39e7684fc1982b6f52a2ce0ffd11d

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/277476/

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