MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a93faf5e2655e6be04da3a195d6221636a6adeba3c65df56f2fbd5ec77b1f3f. 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: 9a93faf5e2655e6be04da3a195d6221636a6adeba3c65df56f2fbd5ec77b1f3f
SHA3-384 hash: 9fac5dc8b916e032053a0428e56bcab74b503325ec944e94f7da0834eba721f7377269af37eb46896525c4c07f090366
SHA1 hash: 8b9b2aab582daa066df37da6b943da6bfcf948d4
MD5 hash: c9fc4258a331cae34e2481fd662099bd
humanhash: purple-table-bulldog-enemy
File name:c9fc4258a331cae34e2481fd662099bd.rtf
Download: download sample
Signature AgentTesla
Create hunting rule
File size:45'833 bytes
First seen:2023-07-26 09:54:42 UTC
Last seen:Never
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 768:8Fx0XaIsnPRIa4fwJM/hFxLEQjCN2Hs3ejDQL:8f0Xvx3EMZF5yN2HsmDQL
TLSH T14D235B5AE79F02A48F510273531B0E8996BDB23EF35151B134AC937433EDC2E46666BC
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


Avatar
abuse_ch
AgentTesla SMTP exfil server:

Intelligence

File Origin
# of uploads :
1
# of downloads :
120
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
7b2ce7d72dfbadc3f965047f6fcca67c.zip
Verdict:
Malicious activity
Analysis date:
2023-07-26 05:42:36 UTC
Tags:
exploit cve-2017-11882 loader agenttesla stealer
Link:
https://app.any.run/tasks/e170b7ae-40d7-48b3-89e6-46ecc68eb535

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Sanesecurity.Malware.28669.RtfHeur.UNOFFICIAL
Create hunting rule

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

MiscreantPunch.EvilRTF.CommonLure.UNOFFICIAL
Create hunting rule

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

TwinWave.EvilDoc.PKILLLureTextKingOfWishfulThinking.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
Сreating synchronization primitives
Result
Verdict:
Malicious
File Type:
RTF File
Link:
https://app.docguard.net/9a93faf5e2655e6be04da3a195d6221636a6adeba3c65df56f2fbd5ec77b1f3f/results/dashboard
Behaviour
BlacklistAPI detected
Gathering data
Verdict:
Malicious
Labled as:
CVE-2018-0802
Link:
https://www.hybrid-analysis.com/sample/9a93faf5e2655e6be04da3a195d6221636a6adeba3c65df56f2fbd5ec77b1f3f
Result
Verdict:
MALICIOUS
Result
Threat name:
n/a
Detection:
malicious
Classification:
expl
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1280009
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
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
Behaviour
Behavior Graph:
Download SVG
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9a93faf5e2655e6be04da3a195d6221636a6adeba3c65df56f2fbd5ec77b1f3f/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-07-26 04:36:25 UTC
File Type:
Document
Extracted files:
4
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tkj7v5pcmvpgxycnuoqzlvrccy3knlplupdf35lpf66v5r33d47q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
n/a
Link:
https://tria.ge/reports/230726-lxt4rabc7v/
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
Drops file in Windows directory
Blocklisted process makes network request
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/9a93faf5e265/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/9a93faf5e2655e6be04da3a195d6221636a6adeba3c65df56f2fbd5ec77b1f3f

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 9a93faf5e2655e6be04da3a195d6221636a6adeba3c65df56f2fbd5ec77b1f3f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2682451/
  
Delivery method
Distributed via web download

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