MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fec53b388671f2f82fd8c743a3695f432037caffe5f2e04ea77c206809efd048. 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: 12


Intelligence 12 IOCs 1 YARA 7 File information Comments

SHA256 hash: fec53b388671f2f82fd8c743a3695f432037caffe5f2e04ea77c206809efd048
SHA3-384 hash: 6263312fb7e11ed13083f662cfcbe6ef4198c63e6aa0c904cc417f8bd8593eba3393d927f52b795ed35b2bbdb1b1bcd8
SHA1 hash: 7fade6d9d87676bf727855c6f2e211ceb55ce951
MD5 hash: 9e8ad9eebb2904eaeba5b124f89ed4e3
humanhash: sierra-orange-nine-victor
File name:MajorRevision.exe
Download: download sample
Signature AveMariaRAT
File size:700'928 bytes
First seen:2022-07-31 13:42:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:bi1FX2LHGChaxjJiy9Z+nT0S4aL9D6bRWuhxOBIGizhQujfuR+upT4nNmxaA2Psr:biAmChapJz0nwIB6bRWuhxOBIGiI
Threatray 4'089 similar samples on MalwareBazaar
TLSH T165E4B4DC766076DFC857C872CAA82C64EA6074BB931BD203A02715ED9A0D99BDF141F3
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter 0xToxin
Tags:AveMariaRAT exe SnakeKeylogger SRRBomber XpertRAT


Avatar
0xToxin
embedded inside of Bunifu.UI.dll:
https://bazaar.abuse.ch/sample/5e97ccd8dafcb36b3cb772f6a2fd425abcf221ab9ea1930e8c2618c95332f2c6/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
109.206.241.246:2442 https://threatfox.abuse.ch/ioc/840573/

Intelligence


File Origin
# of uploads :
1
# of downloads :
388
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Changing a file
Launching a process
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Launching cmd.exe command interpreter
Setting a keyboard event handler
Creating a file in the %AppData% directory
Unauthorized injection to a recently created process
Blocking the User Account Control
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cerbu fareit packed
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, Snake Keylogger, XpertRAT
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Disables user account control notifications
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
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
Sample uses process hollowing technique
Snort IDS alert for network traffic
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 harvest and steal ftp login credentials
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected AveMaria stealer
Yara detected Generic Downloader
Yara detected Generic Dropper
Yara detected Snake Keylogger
Yara detected Telegram RAT
Yara detected XpertRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 676259 Sample: MajorRevision.exe Startdate: 31/07/2022 Architecture: WINDOWS Score: 100 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for dropped file 2->72 74 15 other signatures 2->74 10 MajorRevision.exe 3 2->10         started        14 Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4.exe 1 2->14         started        16 Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4.exe 1 2->16         started        process3 file4 60 C:\Users\user\...\MajorRevision.exe.log, ASCII 10->60 dropped 112 Detected unpacking (changes PE section rights) 10->112 114 Detected unpacking (overwrites its own PE header) 10->114 18 MajorRevision.exe 4 10->18         started        21 Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4.exe 1 10->21         started        signatures5 process6 file7 50 C:\Users\user\AppData\...\WALL PAPER.EXE, PE32 18->50 dropped 52 C:\Users\user\AppData\Local\TempbehaviorgraphUM.EXE, PE32 18->52 dropped 54 C:\Users\user\AppData\Local\TempGGMM.EXE, PE32 18->54 dropped 24 WALL PAPER.EXE 4 4 18->24         started        28 GUM.EXE 1 1 18->28         started        30 EGGMM.EXE 15 2 18->30         started        88 Antivirus detection for dropped file 21->88 90 Multi AV Scanner detection for dropped file 21->90 92 Machine Learning detection for dropped file 21->92 signatures8 process9 dnsIp10 58 C:\ProgramData\images.exe, PE32 24->58 dropped 94 Increases the number of concurrent connection per server for Internet Explorer 24->94 96 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->96 33 images.exe 6 24->33         started        37 cmd.exe 1 24->37         started        98 Antivirus detection for dropped file 28->98 100 Multi AV Scanner detection for dropped file 28->100 102 Changes security center settings (notifications, updates, antivirus, firewall) 28->102 110 2 other signatures 28->110 39 iexplore.exe 3 8 28->39         started        64 checkip.dyndns.com 193.122.130.0, 49766, 80 ORACLE-BMC-31898US United States 30->64 66 checkip.dyndns.org 30->66 104 Tries to steal Mail credentials (via file / registry access) 30->104 106 Machine Learning detection for dropped file 30->106 108 Tries to harvest and steal ftp login credentials 30->108 file11 signatures12 process13 dnsIp14 76 Antivirus detection for dropped file 33->76 78 Detected unpacking (creates a PE file in dynamic memory) 33->78 80 Tries to steal Mail credentials (via file / registry access) 33->80 86 6 other signatures 33->86 42 cmd.exe 1 33->42         started        44 conhost.exe 37->44         started        46 reg.exe 1 1 37->46         started        62 toomuchego.ydns.eu 109.206.241.246, 2442, 49767, 49768 AWMLTNL Germany 39->62 56 Y1F5W2I0-W6V4-G5S1-T8J1-U5Y8L0K337W4.exe, PE32 39->56 dropped 82 Creates an undocumented autostart registry key 39->82 84 Creates autostart registry keys with suspicious names 39->84 file15 signatures16 process17 process18 48 conhost.exe 42->48         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-31 13:43:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xpertrat
Score:
  10/10
Tags:
family:snakekeylogger family:warzonerat family:xpertrat collection evasion infostealer keylogger persistence rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System policy modification
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks whether UAC is enabled
Looks up external IP address via web service
Program crash
Checks computer location settings
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Adds policy Run key to start application
Executes dropped EXE
Snake Keylogger
Snake Keylogger payload
UAC bypass
WarzoneRat, AveMaria
Windows security bypass
XpertRAT
Malware Config
C2 Extraction:
toomuchego.ydns.eu:5200
Unpacked files
SH256 hash:
c32e5e42d788868447c4b65e2e99d57161ed62ac0ee34a1134371756b3a29bda
MD5 hash:
70a5e21750e11f4baaadf23972375241
SHA1 hash:
36b39170f384ac7f9a6c3b4f0192a42e7cd035ea
Detections:
win_xpertrat_a0 win_xpertrat_auto
SH256 hash:
477cab8d4385172d679200edc6619462de2402d912f21f36981fc058987a6d52
MD5 hash:
16a9ddc4b32981114fe4f069a4353105
SHA1 hash:
bf73849f57c150f9e2199c61427f631be2dfa595
SH256 hash:
62ae48d339e52a1b5be82e703025f2be10d6025f97fd784d40f2781d6ee886ec
MD5 hash:
f801b47ec91f5f75b0f5804506665b14
SHA1 hash:
6ca1c47f85abaed4a3cc414b6200360ca658b2c5
Detections:
win_ave_maria_g0
SH256 hash:
f91cf396d6cc0e3803aa25fd0770e9a252196ae616e032e4880668c8ded74dc0
MD5 hash:
81912e3dd162ce7c96114a84d0d58b29
SHA1 hash:
2def8b1c48c9e550f57c9dab915c5232a7113d57
SH256 hash:
f71d97c3d42af0eb4cc74e640a995eb0f288bab59b7be5cd89eccb21cd304f36
MD5 hash:
6c72218c48cd68cbcb654675053a0abb
SHA1 hash:
12207fa32070f99683648d87b44410e5d3cdf2de
SH256 hash:
a2bb808321745ce0239b5a84c78a801644d903ce8a6ab87193337aaf2d01fc31
MD5 hash:
350dfc66657d2d9b2231bf8bfe33497b
SHA1 hash:
0fb28b28c416d21f1db2d54355e89fa8ec3e3324
SH256 hash:
fec53b388671f2f82fd8c743a3695f432037caffe5f2e04ea77c206809efd048
MD5 hash:
9e8ad9eebb2904eaeba5b124f89ed4e3
SHA1 hash:
7fade6d9d87676bf727855c6f2e211ceb55ce951
Malware family:
SnakeKeylogger
Verdict:
Malicious
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:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:MALWARE_Win_XpertRAT
Author:ditekSHen
Description:XpertRAT payload
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:win_xpertrat_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xpertrat.

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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