MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5aebac92125547ec3d79dac08bf20e1a990758cf2bace37672dca5adfe509aab. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5aebac92125547ec3d79dac08bf20e1a990758cf2bace37672dca5adfe509aab
SHA3-384 hash: 3fbcfef2d6c030d27e9369aa44078e78ddc18af9e4bcba868a13274e4295a790dfce0d72846cee0008035b1bcf41e4ed
SHA1 hash: 76d380fb965afaccfbb46791757b76b83f90367c
MD5 hash: 40ae68a1fbe6b4f12cc3c6e48d82fff1
humanhash: india-diet-bulldog-echo
File name:40ae68a1fbe6b4f12cc3c6e48d82fff1.rtf
Download: download sample
Signature AgentTesla
Create hunting rule
File size:72'037 bytes
First seen:2023-08-10 14:46:57 UTC
Last seen:2023-08-10 15:28:34 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:8wAbZSibMX9gRWjZb2xIxQ21QIcYpGmD95BGamvbGo24Oq:8wAlRF21N/DDBAj
TLSH T1A763CF2DC34F42AACB525233AB1A1E4502FDBB3EB38512B1346C933537EE83D51656B9
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
120
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
40ae68a1fbe6b4f12cc3c6e48d82fff1.rtf
Verdict:
Malicious activity
Analysis date:
2023-08-10 14:47:41 UTC
Tags:
exploit cve-2017-11882
Link:
https://app.any.run/tasks/9ebc878c-dafd-493d-89e1-3ae197632b6f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.29015.RtfHeur.Msg.UNOFFICIAL
Create hunting rule

Sanesecurity.Shelter.Malware.BadRtf.ObjUpd.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.RoomService.20230808.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/5aebac92125547ec3d79dac08bf20e1a990758cf2bace37672dca5adfe509aab/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/64d4f867daa9db505344081c/reports/62a4665f-892f-4525-854f-4999179cabce/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/5aebac92125547ec3d79dac08bf20e1a990758cf2bace37672dca5adfe509aab
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1289447
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Machine Learning detection for dropped file
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)
Sigma detected: EQNEDT32.EXE connecting to internet
Sigma detected: File Dropped By EQNEDT32EXE
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1289447 Sample: dETDfLW0fu.rtf Startdate: 10/08/2023 Architecture: WINDOWS Score: 100 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 8 other signatures 2->43 7 EQNEDT32.EXE 11 2->7         started        12 WINWORD.EXE 336 13 2->12         started        14 EQNEDT32.EXE 2->14         started        process3 dnsIp4 31 2.59.254.18, 49168, 80 CMCSUS Germany 7->31 27 C:\Users\user\AppData\...\lawnnb74589.exe, PE32 7->27 dropped 29 C:\Users\user\AppData\Local\...\lawzx[1].exe, PE32 7->29 dropped 45 Office equation editor establishes network connection 7->45 47 Office equation editor starts processes (likely CVE 2017-11882 or CVE-2018-0802) 7->47 16 lawnnb74589.exe 2 7->16         started        file5 signatures6 process7 signatures8 33 Multi AV Scanner detection for dropped file 16->33 35 Machine Learning detection for dropped file 16->35 19 lawnnb74589.exe 16->19         started        21 lawnnb74589.exe 16->21         started        23 lawnnb74589.exe 16->23         started        25 2 other processes 16->25 process9
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5aebac92125547ec3d79dac08bf20e1a990758cf2bace37672dca5adfe509aab/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-08-10 08:55:42 UTC
File Type:
Document
Extracted files:
4
AV detection:
15 of 37 (40.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=llv2zeqskvd6yplz3laix4qodkmqowgpfowog5ts3ss237sqtkvq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
n/a
Link:
https://tria.ge/reports/230810-r5vm5sfd9z/
Behaviour
Launches Equation Editor
Modifies Internet Explorer settings
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Process spawned unexpected child process
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/5aebac92125547ec3d79dac08bf20e1a990758cf2bace37672dca5adfe509aab

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 5aebac92125547ec3d79dac08bf20e1a990758cf2bace37672dca5adfe509aab

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2695832/
  
Delivery method
Distributed via web download

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