MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c2737f26a23c6d9dcdd21f052f85414c3a2b92455df9173c7a9874a52f438233. 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: 16


Intelligence 16 IOCs YARA 20 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c2737f26a23c6d9dcdd21f052f85414c3a2b92455df9173c7a9874a52f438233
SHA3-384 hash: 5056b2eb05b082f2d8e8448e016e64e05ce61000ca1cdebdf3e5b49ca4490fed6586ae5ab45f7d7ba777f832ccbd02b0
SHA1 hash: 6b580b84b6170265e9d52439d2c5384a762e65fe
MD5 hash: 31746508b5cda8badec446cbb60b356e
humanhash: massachusetts-ohio-floor-video
File name:31746508b5cda8badec446cbb60b356e.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:115'712 bytes
First seen:2022-11-21 20:20:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 51a1d638436da72d7fa5fb524e02d427 (124 x AveMariaRAT, 1 x njrat)
ssdeep 1536:h0jP7/L1B5rVmN8sxHv2M28ix8EUaJxWhPmB4u0OVE01W:K1VmhaH8EFvWY0OVE0g
Threatray 4'760 similar samples on MalwareBazaar
TLSH T1B0B39E13F7E54835F3B201B01ABD7E79CFEDF9700628849FA394858A2D31946EA25397
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:AveMariaRAT exe RAT


Avatar
abuse_ch
AveMariaRAT C2:
45.90.222.97:26771

Intelligence

File Origin
# of uploads :
1
# of downloads :
224
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
avemaria
Create hunting rule
ID:
1
File name:
31746508b5cda8badec446cbb60b356e.exe
Verdict:
Malicious activity
Analysis date:
2022-11-21 20:22:47 UTC
Tags:
trojan stealer rat avemaria warzone
Link:
https://app.any.run/tasks/d6d4ae0b-993d-4f42-b707-49e0e5d154b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
WarzoneRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/336949/
Detection(s):
Win.Malware.AveMaria-8799014-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching cmd.exe command interpreter
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Setting a keyboard event handler
Creating a file in the Program Files subdirectories
Launching a service
Loading a system driver
Creating a file
Creating a file in the Windows subdirectories
Enabling autorun for a service
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd.exe cobalt evasive explorer.exe fingerprint gh0st greyware hacktool keylogger remcos shell32.dll stealer warzone windows
Link:
https://www.filescan.io/uploads/637bddaf903ba0eaf36ce499/reports/6cfde8c3-c4ec-4d96-b0f8-637637ce63a6/overview
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.
Malware family:
AVE_MARIA
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e334bf4-9881-49c7-968e-f6b7d59c3051
Result
Threat name:
AveMaria, UACMe
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1118477
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to hide user accounts
Creates a thread in another existing process (thread injection)
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
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected UACMe UAC Bypass tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 751190 Sample: rxTyFbi7YW.exe Startdate: 21/11/2022 Architecture: WINDOWS Score: 100 26 Snort IDS alert for network traffic 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 5 other signatures 2->32 7 rxTyFbi7YW.exe 8 9 2->7         started        12 tsusbhub.sys 3 2->12         started        14 rdpdr.sys 8 2->14         started        16 rdpvideominiport.sys 4 2->16         started        process3 dnsIp4 24 45.90.222.97, 26771, 49706 MAJESTIC-HOSTING-01US Germany 7->24 22 C:\Program Files\Microsoft DN1\sqlmap.dll, PE32+ 7->22 dropped 34 Hides user accounts 7->34 36 Tries to steal Mail credentials (via file / registry access) 7->36 38 Tries to harvest and steal browser information (history, passwords, etc) 7->38 40 6 other signatures 7->40 18 cmd.exe 1 7->18         started        file5 signatures6 process7 process8 20 conhost.exe 18->20         started       
Detection:
warzone
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c2737f26a23c6d9dcdd21f052f85414c3a2b92455df9173c7a9874a52f438233/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-11-19 14:26:18 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
25 of 26 (96.15%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yjzx6jvchrwz3tosd4cs7bkbjq5cxesflx4ropd2tb2kkl2dqizq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
271eb62f906afa1371abcc24e222f6cfe80b20bdbca381a5eb40e01298c35143
AveMariaRAT
3c90f8f78263803cec8fe8b3b7a99db8ef8ee3d688b58882a85fbed421a3b11c
AveMariaRAT
ad9008d26d70a9b832258541d46e0d66f8ad8aee89e3632725f5d5e526f41dd0
AveMariaRAT
e5640f5e5b21c3d726e0893a9d5388c289acf3fe532aef046896e36e39c71a06
AveMariaRAT
f24d707fa75b81ddd51ff597f98cd38951ce0558cd653b392bca75c15fdeb1ed
AveMariaRAT
+ 4'750 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:warzonerat collection infostealer persistence rat spyware stealer
Link:
https://tria.ge/reports/221121-y4zn2afa58/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Drops file in Program Files directory
Drops file in System32 directory
Accesses Microsoft Outlook profiles
Modifies WinLogon
Loads dropped DLL
Reads user/profile data of web browsers
Sets DLL path for service in the registry
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
45.90.222.97:26771
Unpacked files
SH256 hash:
c2737f26a23c6d9dcdd21f052f85414c3a2b92455df9173c7a9874a52f438233
MD5 hash:
31746508b5cda8badec446cbb60b356e
SHA1 hash:
6b580b84b6170265e9d52439d2c5384a762e65fe
Detections:
Warzone
Create hunting rule
win_ave_maria_auto
Create hunting rule
win_ave_maria_g0
Create hunting rule
Link:
https://www.unpac.me/results/c3c55ffb-8e5b-4827-b080-af70b1af15e3/
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/c2737f26a23c6d9dcdd21f052f85414c3a2b92455df9173c7a9874a52f438233

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:avemaria_rat_yhub
Create hunting rule
Author:Billy Austin
Description:Detects AveMaria RAT a.k.a. WarZone
Rule name:AveMaria_WarZone
Create hunting rule
Rule name:ave_maria_warzone_rat
Create hunting rule
Author:jeFF0Falltrades
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:Codoso_Gh0st_2
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_2_RID2C2E
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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:HeavensGate
Create hunting rule
Author:kevoreilly
Description:Heaven's Gate: Switch from 32-bit to 64-mode
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_Envrial_Jan18_1
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:MAL_Envrial_Jan18_1_RID2D8C
Create hunting rule
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:meth_peb_parsing
Create hunting rule
Author:Willi Ballenthin
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:Windows_Trojan_AveMaria_31d2bce9
Create hunting rule
Author:Elastic Security
Rule name:win_ave_maria_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.ave_maria.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/336949/

Comments