MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 691c75376ade3956492197d79853cab8eb38dca6dc2a7c2be3d4f28f445a3d2b. 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 11 File information Comments

SHA256 hash: 691c75376ade3956492197d79853cab8eb38dca6dc2a7c2be3d4f28f445a3d2b
SHA3-384 hash: 439afce296008fbedae996a1707fc1edf272b4d60b6e1a1886c3ab75cd32d084c5aa972c06a1fac22a1a8be5253a526a
SHA1 hash: 5c071fc04f4de72f97cdabef4d02f99d4f12a0a8
MD5 hash: 413a47af466113b07495cb5bbd3b6439
humanhash: vermont-monkey-arizona-fanta
File name:413a47af466113b07495cb5bbd3b6439.exe
Download: download sample
Signature AveMariaRAT
File size:358'400 bytes
First seen:2021-07-15 09:35:23 UTC
Last seen:2021-07-15 11:21:08 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 6144:NbM4sQ2dRMjfKee97OLIn8VLbxK4VImT+fsB/OmCFhFsaxtVsI+02ppvBCVuMMoW:h4Rmleey8VLb9ITypC3CarVs902ppZZr
Threatray 1'543 similar samples on MalwareBazaar
TLSH T16874233A6FB2D639CA9C0BB2B0CB2D84C3FAF2062597CA4F64D6162DBB473114A11715
Reporter abuse_ch
Tags:AveMariaRAT exe RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
413a47af466113b07495cb5bbd3b6439.exe
Verdict:
Malicious activity
Analysis date:
2021-07-15 09:44:44 UTC
Tags:
trojan stealer rat avemaria

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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.
Result
Threat name:
AveMaria
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
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 domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file access)
Uses powershell Test-Connection to delay payload execution;
Writes to foreign memory regions
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 449189 Sample: 6AjdI3ue0Q.exe Startdate: 15/07/2021 Architecture: WINDOWS Score: 100 74 www.yahoo.com 2->74 76 new-fp-shed.wg1.b.yahoo.com 2->76 116 Multi AV Scanner detection for domain / URL 2->116 118 Found malware configuration 2->118 120 Malicious sample detected (through community Yara rule) 2->120 122 11 other signatures 2->122 11 6AjdI3ue0Q.exe 6 2->11         started        signatures3 process4 file5 64 C:\Users\user\AppData\...\6AjdI3ue0Q.exe, PE32 11->64 dropped 66 C:\Users\...\6AjdI3ue0Q.exe:Zone.Identifier, ASCII 11->66 dropped 68 C:\Users\user\AppData\...\6AjdI3ue0Q.exe.log, ASCII 11->68 dropped 142 Writes to foreign memory regions 11->142 144 Uses powershell Test-Connection to delay payload execution; 11->144 146 Injects a PE file into a foreign processes 11->146 15 6AjdI3ue0Q.exe 4 5 11->15         started        19 6AjdI3ue0Q.exe 11->19         started        21 powershell.exe 18 11->21         started        24 2 other processes 11->24 signatures6 process7 dnsIp8 70 C:\ProgramData\svchost.exe, PE32 15->70 dropped 72 C:\ProgramData\svchost.exe:Zone.Identifier, ASCII 15->72 dropped 104 Increases the number of concurrent connection per server for Internet Explorer 15->104 106 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->106 26 svchost.exe 5 15->26         started        30 cmd.exe 1 15->30         started        108 Machine Learning detection for dropped file 19->108 110 Contains functionality to inject threads in other processes 19->110 112 Contains functionality to steal Chrome passwords or cookies 19->112 114 2 other signatures 19->114 78 192.168.2.1 unknown unknown 21->78 80 www.yahoo.com 21->80 82 new-fp-shed.wg1.b.yahoo.com 21->82 32 conhost.exe 21->32         started        84 www.yahoo.com 24->84 86 www.yahoo.com 24->86 88 2 other IPs or domains 24->88 34 conhost.exe 24->34         started        36 conhost.exe 24->36         started        file9 signatures10 process11 file12 62 C:\Users\user\AppData\Local\...\svchost.exe, PE32 26->62 dropped 134 Machine Learning detection for dropped file 26->134 136 Writes to foreign memory regions 26->136 138 Uses powershell Test-Connection to delay payload execution; 26->138 140 2 other signatures 26->140 38 svchost.exe 26->38         started        42 powershell.exe 26->42         started        44 powershell.exe 26->44         started        46 powershell.exe 26->46         started        48 reg.exe 30->48         started        50 conhost.exe 30->50         started        signatures13 process14 dnsIp15 90 byx.z86.ru 37.0.8.61, 49758, 5200 WKD-ASIE Netherlands 38->90 92 hgoz.12v.si 212.192.241.37, 49759, 80 RAPMSB-ASRU Russian Federation 38->92 124 System process connects to network (likely due to code injection or exploit) 38->124 126 Detected unpacking (creates a PE file in dynamic memory) 38->126 128 Tries to steal Mail credentials (via file access) 38->128 132 6 other signatures 38->132 52 cmd.exe 38->52         started        94 www.yahoo.com 42->94 96 new-fp-shed.wg1.b.yahoo.com 42->96 54 conhost.exe 42->54         started        98 www.yahoo.com 44->98 100 new-fp-shed.wg1.b.yahoo.com 44->100 56 conhost.exe 44->56         started        102 2 other IPs or domains 46->102 58 conhost.exe 46->58         started        130 Creates an undocumented autostart registry key 48->130 signatures16 process17 process18 60 conhost.exe 52->60         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-15 09:03:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
24 of 28 (85.71%)
Threat level:
  5/5
Result
Malware family:
warzonerat
Score:
  10/10
Tags:
family:warzonerat infostealer rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
byx.z86.ru:5200
Unpacked files
SH256 hash:
477cab8d4385172d679200edc6619462de2402d912f21f36981fc058987a6d52
MD5 hash:
16a9ddc4b32981114fe4f069a4353105
SHA1 hash:
bf73849f57c150f9e2199c61427f631be2dfa595
SH256 hash:
7f6f9111788a4aec60d21a306eb8c249fa99537e7a20ded28d46aa15b8ccbe70
MD5 hash:
fe01553a95d0d72355b252d117582ac3
SHA1 hash:
91efd91aef78ec27e968aa85457a16ff385bd430
SH256 hash:
be4efaa92f95bcf8a78d4eb79eeecaf7a8c2520a5380d529e1a444d31cd4a09f
MD5 hash:
a4397a3c3e31f607beb973a85a901b19
SHA1 hash:
8a6143f2193f0df98e53ac123f10fc5f9457d6df
SH256 hash:
f71d97c3d42af0eb4cc74e640a995eb0f288bab59b7be5cd89eccb21cd304f36
MD5 hash:
6c72218c48cd68cbcb654675053a0abb
SHA1 hash:
12207fa32070f99683648d87b44410e5d3cdf2de
SH256 hash:
691c75376ade3956492197d79853cab8eb38dca6dc2a7c2be3d4f28f445a3d2b
MD5 hash:
413a47af466113b07495cb5bbd3b6439
SHA1 hash:
5c071fc04f4de72f97cdabef4d02f99d4f12a0a8
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:AveMaria_WarZone
Rule name:buerloader_halo_generated
Author:Halogen Generated Rule, Corsin Camichel
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_AveMaria
Author:ditekSHen
Description:AveMaria variant payload
Rule name:MALWARE_Win_WarzoneRAT
Author:ditekSHen
Description:Detects AveMaria/WarzoneRAT
Rule name:MAL_Envrial_Jan18_1
Author:Florian Roth
Description:Detects Encrial credential stealer malware
Reference:https://twitter.com/malwrhunterteam/status/953313514629853184
Rule name:pe_imphash
Rule name:RDPWrap
Author:@bartblaze
Description:Identifies RDP Wrapper, sometimes used by attackers to maintain persistence.
Reference:https://github.com/stascorp/rdpwrap
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_ave_maria_auto
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.

Web download

AveMariaRAT

Executable exe 691c75376ade3956492197d79853cab8eb38dca6dc2a7c2be3d4f28f445a3d2b

(this sample)

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