MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c84c0915e78fb6256174b0f6b265a8a07215d959c800b588f4b5f0ec7b14c32. 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



AgentTesla


Vendor detections: 13


Intelligence 13 IOCs YARA 2 File information Comments 1

SHA256 hash: 6c84c0915e78fb6256174b0f6b265a8a07215d959c800b588f4b5f0ec7b14c32
SHA3-384 hash: 07a9aebeb3e705287287e7c4ab78f1c7e12681c184e4626d75c5879408100c10c72fd0b2e825ffa1187138430308b984
SHA1 hash: 65fb5faac9e8979c0175aa77af6bda8eafbc8169
MD5 hash: 441131e73b624827fc3475133666f45f
humanhash: apart-neptune-october-nitrogen
File name:441131e73b624827fc3475133666f45f
Download: download sample
Signature AgentTesla
File size:23'352 bytes
First seen:2021-11-21 19:29:18 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 384:fKj/7IYRe9wMxwzSjvc+1zdaYLWhHHD6rRUYFq6hU7ERf1Cb:SD7IYRe9wMmz0h1zdjwyRBFqgUCf2
TLSH T16AA2EE7EF58B0A48DE56D66C021A7BA5164DF52D32C440E23BB8DB38795891B8B23D3C
Reporter zbetcheckin
Tags:AgentTesla rtf

Intelligence


File Origin
# of uploads :
1
# of downloads :
146
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
441131e73b624827fc3475133666f45f
Verdict:
Malicious activity
Analysis date:
2021-11-21 19:32:22 UTC
Tags:
exploit CVE-2017-11882 opendir loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
Forced system process termination
Sending an HTTP GET request
Creating a process from a recently created file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
CVE-2017-11882 embedequation exploit shellcode
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Drops PE files to the user root directory
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
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)
Sigma detected: Droppers Exploiting CVE-2017-11882
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: Execution from Suspicious Folder
Sigma detected: File Dropped By EQNEDT32EXE
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 525892 Sample: EDyyOwFu2Y Startdate: 21/11/2021 Architecture: WINDOWS Score: 100 36 Multi AV Scanner detection for domain / URL 2->36 38 Found malware configuration 2->38 40 Antivirus detection for dropped file 2->40 42 13 other signatures 2->42 7 EQNEDT32.EXE 12 2->7         started        12 WINWORD.EXE 291 19 2->12         started        process3 dnsIp4 32 44.193.229.224, 49165, 80 AMAZON-AESUS United States 7->32 24 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 7->24 dropped 26 C:\Users\Public\vbc.exe, PE32 7->26 dropped 56 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->56 14 vbc.exe 12 7->14         started        28 ~WRF{BF4CABC7-DD03...E-DC63B4E91ACE}.tmp, Composite 12->28 dropped file5 signatures6 process7 dnsIp8 34 111.90.149.196, 49166, 80 SHINJIRU-MY-AS-APShinjiruTechnologySdnBhdMY Malaysia 14->34 58 Machine Learning detection for dropped file 14->58 60 Writes to foreign memory regions 14->60 62 Allocates memory in foreign processes 14->62 64 Injects a PE file into a foreign processes 14->64 18 aspnet_regbrowsers.exe 4 14->18         started        22 aspnet_regbrowsers.exe 14->22         started        signatures9 process10 dnsIp11 30 odin.mk-host.com 209.205.200.74, 49167, 587 24SHELLSUS United States 18->30 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->44 46 Tries to steal Mail credentials (via file / registry access) 18->46 48 Tries to harvest and steal ftp login credentials 18->48 50 Tries to harvest and steal browser information (history, passwords, etc) 18->50 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 22->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 22->54 signatures12
Threat name:
Document-RTF.Trojan.Heuristic
Status:
Malicious
First seen:
2021-11-21 19:30:07 UTC
AV detection:
17 of 45 (37.78%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer suricata trojan
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Executes dropped EXE
AgentTesla Payload
AgentTesla
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
Malware family:
Agent Tesla v3
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:INDICATOR_RTF_MalVer_Objects
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.

File information


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

Web download

AgentTesla

Rich Text Format (RTF) rtf 6c84c0915e78fb6256174b0f6b265a8a07215d959c800b588f4b5f0ec7b14c32

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-11-21 19:29:19 UTC

url : hxxp://44.193.229.224/invc_00003400000000/invc_0029900303003003.wbk