MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0148aaa1bc49312cada5408720ed9f547044dbed42cac01f0fea834bda8b5eac. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0148aaa1bc49312cada5408720ed9f547044dbed42cac01f0fea834bda8b5eac
SHA3-384 hash: 2a998ea114e17fffa3b30a6299c5f2b13c1d721c7ba2dd010adc1e4afe7307cd6c0528e1005403e3b5240c52221ea59c
SHA1 hash: 382996b5049aa9dc672795d8dfa765697b1c852f
MD5 hash: 0817ef065eab1d86f70a24c0100a62e2
humanhash: oxygen-sixteen-golf-missouri
File name:0817ef065eab1d86f70a24c0100a62e2
Download: download sample
Signature AgentTesla
Create hunting rule
File size:28'734 bytes
First seen:2023-04-21 02:17:09 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:C8hTB3p0phgUlvhMZrpGC4g7mnOE2CCdNxaIVZ34:Cml3p0phgIM2C4g2S2+14
TLSH T115D249565B8C4C61E359E8B7475DA00E08FCF23A32C255E5BD9DE2743B7D10E0B6A2B8
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
121
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Overdue Statement of Account_1.docx
Verdict:
Malicious activity
Analysis date:
2023-04-20 07:53:51 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/7e8854f4-8aaa-4918-a49c-b45c9c337288

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

MiscreantPunch.RTF.2017-0199.Obfus.171711.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/0148aaa1bc49312cada5408720ed9f547044dbed42cac01f0fea834bda8b5eac/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit shell32.dll shellcode
Link:
https://www.filescan.io/uploads/6441f25b2eb85408cdf673cd/reports/a7539c9a-87cc-46d6-9106-ac079201c9da/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/0148aaa1bc49312cada5408720ed9f547044dbed42cac01f0fea834bda8b5eac
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1218399
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Creates multiple autostart registry keys
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops PE files to the user root directory
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
May check the online IP address of the machine
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Office equation editor drops PE file
Office equation editor establishes network connection
Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 851345 Sample: aFqPzRAChk.rtf Startdate: 21/04/2023 Architecture: WINDOWS Score: 100 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Malicious sample detected (through community Yara rule) 2->49 51 12 other signatures 2->51 8 EQNEDT32.EXE 12 2->8         started        13 uenjscxgcluq.exe 2->13         started        15 WINWORD.EXE 336 18 2->15         started        17 2 other processes 2->17 process3 dnsIp4 39 107.175.202.201, 49171, 80 AS-COLOCROSSINGUS United States 8->39 35 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->35 dropped 37 C:\Users\Public\vbc.exe, PE32 8->37 dropped 65 Office equation editor establishes network connection 8->65 67 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 8->67 19 vbc.exe 19 8->19         started        69 Antivirus detection for dropped file 13->69 71 Multi AV Scanner detection for dropped file 13->71 file5 signatures6 process7 file8 31 C:\Users\user\AppData\...\ihznenbjwa.exe, PE32 19->31 dropped 53 Multi AV Scanner detection for dropped file 19->53 55 Machine Learning detection for dropped file 19->55 23 ihznenbjwa.exe 1 2 19->23         started        signatures9 process10 file11 33 C:\Users\user\AppData\...\uenjscxgcluq.exe, PE32 23->33 dropped 57 Antivirus detection for dropped file 23->57 59 Multi AV Scanner detection for dropped file 23->59 61 Detected unpacking (creates a PE file in dynamic memory) 23->61 63 6 other signatures 23->63 27 ihznenbjwa.exe 13 3 23->27         started        signatures12 process13 dnsIp14 41 api4.ipify.org 64.185.227.155, 443, 49172 WEBNXUS United States 27->41 43 api.ipify.org 27->43 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->73 75 Tries to steal Mail credentials (via file / registry access) 27->75 77 Creates multiple autostart registry keys 27->77 79 Tries to harvest and steal browser information (history, passwords, etc) 27->79 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0148aaa1bc49312cada5408720ed9f547044dbed42cac01f0fea834bda8b5eac/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-04-20 04:18:58 UTC
File Type:
Document
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=afekvin4jeyszlnficdsb3m7kryejw7nilfmahyp5kbuxwull2wa._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230421-cracqadf42/
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: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Executes dropped EXE
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
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
AgentTesla
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/0148aaa1bc49312cada5408720ed9f547044dbed42cac01f0fea834bda8b5eac

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:INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embeding one of the object mostly observed in exploit documents.
Rule name:SUSP_INDICATOR_RTF_MalVer_Objects
Create hunting rule
Author:ditekSHen
Description:Detects RTF documents with non-standard version and embedding one of the object mostly observed in exploit (e.g. CVE-2017-11882) documents.
Reference:https://github.com/ditekshen/detection

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 0148aaa1bc49312cada5408720ed9f547044dbed42cac01f0fea834bda8b5eac

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2615088/

Comments


Avatar
zbet commented on 2023-04-21 02:17:12 UTC

url : hxxp://107.175.202.201/e/%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23%23.doc