MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 321c6fa6f024e57efa93d5e203fb0c87a05918e4513d0a501899fd865cae0f44. 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: 321c6fa6f024e57efa93d5e203fb0c87a05918e4513d0a501899fd865cae0f44
SHA3-384 hash: ec912d9902d1572768f653c422df1f2cf18a9d56ecb836ec0ac8cbc22a281a3272a63c620961af2c705aeea20458879e
SHA1 hash: a8799a8508302fde8d545c8edd98a34c4e08d7c0
MD5 hash: f51ba77ad7935cf732fc2fc5df33d75b
humanhash: oscar-crazy-diet-fifteen
File name:f51ba77ad7935cf732fc2fc5df33d75b
Download: download sample
Signature AgentTesla
Create hunting rule
File size:23'768 bytes
First seen:2023-05-04 03:52:59 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 384:IbXKNS2/UgUPy7xAZwfYFejDjtQV8LIa41Brpa5VnBZJ0efUneEnPPcpvx8oD0qH:IbXKNnUgv7xAZwDDjtQSLIa41Br85Vic
TLSH T194B2F45A5B8C4C62E366E87B465DE00E18BCF23A31C211D5BD9DD2753B3E50E0B6B1B8
Reporter zbetcheckin
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
129
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f51ba77ad7935cf732fc2fc5df33d75b
Verdict:
Malicious activity
Analysis date:
2023-05-04 03:55:58 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/93dddd16-4dc4-48a4-99a5-f22c7aa087d6

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
Sending a custom TCP request
Searching for synchronization primitives
Launching a process
Creating a window
Creating a file
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Creating a process from a recently created file
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/321c6fa6f024e57efa93d5e203fb0c87a05918e4513d0a501899fd865cae0f44/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit greyware packed shellcode
Link:
https://www.filescan.io/uploads/64532c20961a21dc785cb5e1/reports/bb9436a8-6788-4d96-b16e-7b876ea656c0/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/321c6fa6f024e57efa93d5e203fb0c87a05918e4513d0a501899fd865cae0f44
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1225777
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Drops PE files to the user root directory
Found malware configuration
Malicious sample detected (through community Yara rule)
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)
Shellcode detected
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Uses ping.exe to check the status of other devices and networks
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 858740 Sample: P9YBbx3Iww.rtf Startdate: 04/05/2023 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Malicious sample detected (through community Yara rule) 2->53 55 Antivirus detection for URL or domain 2->55 57 11 other signatures 2->57 8 EQNEDT32.EXE 12 2->8         started        13 WINWORD.EXE 291 23 2->13         started        15 taskeng.exe 1 2->15         started        process3 dnsIp4 45 109.105.198.239, 49171, 80 TEAMC-ASBA Bosnia and Herzegowina 8->45 37 C:\Users\user\AppData\Local\...\vbc[1].exe, PE32 8->37 dropped 39 C:\Users\Public\vbc.exe, PE32 8->39 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 17 vbc.exe 12 8->17         started        41 ~WRF{F8C69F91-57AC...D-7B1BACC58AFE}.tmp, Composite 13->41 dropped file5 signatures6 process7 dnsIp8 43 fshovit8qcg8uvovvtixzg2.shmxodofaguezj 17->43 35 Yotivimo karese hi... komaxe fibaheb.exe, PE32 17->35 dropped 59 Multi AV Scanner detection for dropped file 17->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 17->61 22 cmd.exe 17->22         started        25 Yotivimo karese hiweya getepej voposac logo seyixih feya komaxe fibaheb.exe 9 17->25         started        28 schtasks.exe 17->28         started        file9 signatures10 process11 dnsIp12 63 Uses ping.exe to check the status of other devices and networks 22->63 30 PING.EXE 22->30         started        33 chcp.com 22->33         started        47 fshovit8qcg8uvovvtixzg2.shmxodofaguezj 25->47 signatures13 process14 dnsIp15 49 127.0.0.1 unknown unknown 30->49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/321c6fa6f024e57efa93d5e203fb0c87a05918e4513d0a501899fd865cae0f44/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-05-03 21:48:18 UTC
File Type:
Document
Extracted files:
4
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=giog7jxqetsx56ut2xrah6ymq6qfsgheke6quuayth6ymxfob5ca._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230504-efmj1sbf8y/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Enumerates system info in registry
Launches Equation Editor
Modifies Internet Explorer settings
Modifies registry class
Runs ping.exe
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Enumerates physical storage devices
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Uses the VBS compiler for execution
Blocklisted process makes network request
Downloads MZ/PE file
Malware family:
AgentTesla.v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/321c6fa6f024/report/overview.html
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/321c6fa6f024e57efa93d5e203fb0c87a05918e4513d0a501899fd865cae0f44

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 321c6fa6f024e57efa93d5e203fb0c87a05918e4513d0a501899fd865cae0f44

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2623969/

Comments


Avatar
zbet commented on 2023-05-04 03:53:03 UTC

url : hxxp://141.98.6.162/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%23%23%23%23%23%23.doc