MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa3cf6cca9a6b711b17a92b8fa323514b0926971babfa48f6997661f5bf5e5b8. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: aa3cf6cca9a6b711b17a92b8fa323514b0926971babfa48f6997661f5bf5e5b8
SHA3-384 hash: 394a532b7b7379776e439264daa8b685752be3394cb6b7717fb6b2b897d020190163e715a18ba280a892c3c1187814cb
SHA1 hash: a2aaeef225ee75044c04e604f7492151777756ff
MD5 hash: ce8cdd4546f3c1d22d3c0c3834c2a73b
humanhash: angel-arizona-berlin-lactose
File name:ce8cdd4546f3c1d22d3c0c3834c2a73b.rtf
Download: download sample
Signature AgentTesla
Create hunting rule
File size:40'045 bytes
First seen:2023-07-18 13:06:35 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:J+Fx0XaIsnPRIa4fwJMS12Pt0zD5YwKSg9dd6L8nSiP:J+f0Xvx3EMS1zD5YwKT9X6wn3P
TLSH T1C103284EE79F02698F410776671B1E88A6BDB22EB35094B1346C833433EDC3D46666BC
TrID 71.4% (.PZ2) Poser pose (12500/1/4)
28.5% (.RTF) Rich Text Format (5000/1)
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
1
# of downloads :
113
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ce8cdd4546f3c1d22d3c0c3834c2a73b.rtf
Verdict:
Malicious activity
Analysis date:
2023-07-18 13:08:32 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2b8e4e97-7bb8-4aea-a8e9-cbc3ae51cdb8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Legit
File type:
application/rtf
Has a screenshot:
False
Contains macros:
False
Detection(s):
Sanesecurity.Malware.28669.RtfHeur.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.PKILLLureTextKingOfWishfulThinking.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 in the %AppData% directory
Сreating synchronization primitives
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/aa3cf6cca9a6b711b17a92b8fa323514b0926971babfa48f6997661f5bf5e5b8/results/dashboard
Behaviour
BlacklistAPI detected
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
embedequation exploit packed shellcode
Link:
https://www.filescan.io/uploads/64b68e79f52c3e1a014a2442/reports/fe85c2af-b582-4d17-961b-1be3a9ac74b0/overview
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/aa3cf6cca9a6b711b17a92b8fa323514b0926971babfa48f6997661f5bf5e5b8
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1275292
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aa3cf6cca9a6b711b17a92b8fa323514b0926971babfa48f6997661f5bf5e5b8/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-07-18 11:55:04 UTC
File Type:
Document
Extracted files:
3
AV detection:
14 of 38 (36.84%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vi6pntfju23rdml2sk4pumrvcsyje2lrxk72jd3js5tb6w7v4w4a._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230718-qcmldsbc6s/
Behaviour
Checks processor information in registry
Enumerates system info in registry
Launches Equation Editor
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Office loads VBA resources, possible macro or embedded object present
Program crash
Drops file in Windows directory
Executes dropped EXE
Loads dropped DLL
Blocklisted process makes network request
Downloads MZ/PE file
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/aa3cf6cca9a6/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/aa3cf6cca9a6b711b17a92b8fa323514b0926971babfa48f6997661f5bf5e5b8

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 aa3cf6cca9a6b711b17a92b8fa323514b0926971babfa48f6997661f5bf5e5b8

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2681281/
  
Delivery method
Distributed via web download

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