MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6142ce64bdf7d4373dedcadb54fb06efed10595a65713783f2930eb1ebb9f989. 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 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6142ce64bdf7d4373dedcadb54fb06efed10595a65713783f2930eb1ebb9f989
SHA3-384 hash: a6d508f16d1045244a510d23e46b7586fd9da1f1499da942bd9451ae23e7e6601e0e6a53bc658d5f723d4b6d6f5379e6
SHA1 hash: 8f1d2b354b7f9fd467224bbddb4fd4a0b8b3836f
MD5 hash: e913a62180713151c8b3ef74a1cfb06c
humanhash: cardinal-may-hot-yankee
File name:RFQ-PO-#075609-MT002-08-05-20-Order_Specfication,xlxs.exe
Download: download sample
Signature AveMariaRAT
Create hunting rule
File size:332'800 bytes
First seen:2020-08-05 08:44:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:017+dwG8OKJu9i0D0CsEpx/VILI5049K7WBCcWYSdh:xdwG8OKJuAXC7pZVseE7Wfu
Threatray 434 similar samples on MalwareBazaar
TLSH 95647A1C3660979AF16A9D3BBD3110639F36ED1F8972D14B25F031D88BBA75CA820F61
Reporter abuse_ch
Tags:AveMariaRAT exe geo KOR


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: mail-smail-vm42.hanmail.net
Sending IP: 203.133.180.230
From: 전영희 <junyhee2@daum.net>
Subject: RE: 견적 요청/8월 주문
Attachment: RFQ-PO-075609-MT002-08-05-20-Order_Specfication,xlxs.7z (contains "RFQ-PO-#075609-MT002-08-05-20-Order_Specfication,xlxs.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
59
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39252/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Launching cmd.exe command interpreter
DNS request
Connecting to a non-recommended domain
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Reading critical registry keys
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Result
Threat name:
AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410657
Signature
Allocates memory in foreign processes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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)
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)
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to steal Mail credentials (via file access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AveMaria stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257600 Sample: RFQ-PO-#075609-MT002-08-05-... Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Sigma detected: Scheduled temp file as task from temp location 2->40 42 Yara detected AntiVM_3 2->42 44 7 other signatures 2->44 8 RFQ-PO-#075609-MT002-08-05-20-Order_Specfication,xlxs.exe 5 2->8         started        process3 file4 28 C:\Users\user\AppData\Roaming\BikhlSC.exe, PE32 8->28 dropped 30 C:\Users\user\...\BikhlSC.exe:Zone.Identifier, ASCII 8->30 dropped 32 C:\Users\user\AppData\Local\...\tmp885A.tmp, XML 8->32 dropped 34 RFQ-PO-#075609-MT0...cation,xlxs.exe.log, ASCII 8->34 dropped 46 Writes to foreign memory regions 8->46 48 Allocates memory in foreign processes 8->48 50 Injects a PE file into a foreign processes 8->50 52 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 8->52 12 vbc.exe 3 4 8->12         started        16 schtasks.exe 1 8->16         started        signatures5 process6 dnsIp7 36 54369253290033.sytes.net 104.37.175.147, 49722, 5200 MAJESTIC-HOSTING-01US United States 12->36 54 Tries to steal Mail credentials (via file access) 12->54 56 Writes to foreign memory regions 12->56 58 Allocates memory in foreign processes 12->58 60 4 other signatures 12->60 18 powershell.exe 25 12->18         started        20 cmd.exe 1 12->20         started        22 conhost.exe 16->22         started        signatures8 process9 process10 24 conhost.exe 18->24         started        26 conhost.exe 20->26         started       
Detection:
avemaria
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6142ce64bdf7d4373dedcadb54fb06efed10595a65713783f2930eb1ebb9f989/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 03:41:28 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mfbm4zf567kdoppnzlnvj6yg57wrawk2mvytpa7ssmhld25z7geq._file
Verdict:
malicious
Label(s):
avemaria
Create hunting rule
Similar samples:
041f85034f71a295c168af2719d1dfa7a5d346f57b16a4b17bd6a471e3ceb55e
AveMariaRAT
220d9dee8512451f79c4ea016e9ed065ca3f378f3f1b29531cee3c686a100cce
AveMariaRAT
4cffbdf1d3e2016475da67b15f0ab12a9658e0970f691cebe0bd161e2e1772b2
AveMariaRAT
671405f6ac8756ad2076781645eaccd8b6d027dd9612b572a9a9f634fccbad9b
AveMariaRAT
84b4040d764a758414d6e7d913161c97846e563eb18e3497f207670f9d239bc8
AveMariaRAT
8a8b601dbdc4a8b83fa1802be973df5562916711e95de88d77c0d86ce3a3e1e5
AveMariaRAT
aa81b1d5e5dc459eac6dff63b95e6a08653c6afb5e925e8dd047ff9abfadd49a
AveMariaRAT
ae64e86e27b074ef0869d747916c9056b5e180f37f80624019d993f2b744dd35
AveMariaRAT
d7a9047d6d19050866c5b5c7d08f4b45208d9b2a2a4f4179cadaf37ea92cfa89
AveMariaRAT
de25f269f4f7e5cc02f5e16e0c780ef25787df1d161f2fad276d88ddfce79f90
AveMariaRAT
+ 424 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200805-awfvfjes4s/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Suspicious use of SetThreadContext
JavaScript code in executable
Uses the VBS compiler for execution
Loads dropped DLL
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6142ce64bdf7d4373dedcadb54fb06efed10595a65713783f2930eb1ebb9f989

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:Cobalt_functions
Create hunting rule
Author:@j0sm1
Description:Detect functions coded with ROR edi,D; Detect CobaltStrike used by differents groups APT
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_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: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: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:win_ave_maria_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_ave_maria_g0
Create hunting rule
Author:Slavo Greminger, SWITCH-CERT

File information

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

Malspam

AveMariaRAT

7z d6fd5db384deea3a881b3acf29c3b1be6ee1da6144ed23c90b6c55547493259e

AveMariaRAT

Executable exe 6142ce64bdf7d4373dedcadb54fb06efed10595a65713783f2930eb1ebb9f989

(this sample)

  
Dropped by
MD5 e93582cab955b5016ac878d18368805b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/39252/
  
Dropped by
SHA256 d6fd5db384deea3a881b3acf29c3b1be6ee1da6144ed23c90b6c55547493259e

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