MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 83fff0354fe26d0bd555881174e99c1240e362c2b62236b075f4c2a736cc1e87. 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: 83fff0354fe26d0bd555881174e99c1240e362c2b62236b075f4c2a736cc1e87
SHA3-384 hash: f3d1f941e9e2abb5e669429f890f8402798c15ff04029e9c242379040ab8cf3f5f5b1ba0e40fd6b7790b7c7ff10d8b85
SHA1 hash: 5f4d320379b5b1956658d77fa7ffe8825e701cae
MD5 hash: 9af95a4d9624dc46640eef313ca771a0
humanhash: king-artist-bakerloo-may
File name:9af95a4d9624dc46640eef313ca771a0.rtf
Download: download sample
Signature AgentTesla
Create hunting rule
File size:11'433 bytes
First seen:2023-02-15 15:47:28 UTC
Last seen:2023-02-15 18:31:52 UTC
File type:Rich Text Format (RTF) rtf
MIME type:text/rtf
ssdeep 192:iCew0+zUGZXTMNoUhf1T0Wkk11z3KiYemLbZP5JfMT2nw3ESt7sH+BIBmSWC0:iCD0EULCUhN4017cbZ7C2nw0SlO+/5d
TLSH T12C32C60257CC58B2D359E1778265A01E49BDF1AB326205FDB8DCA48037BC70E4AF91FA
Reporter abuse_ch
Tags:AgentTesla CVE-2017-11882 rtf

Intelligence

File Origin
# of uploads :
2
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Norcity Order.msg
Verdict:
Malicious activity
Analysis date:
2023-02-15 06:34:29 UTC
Tags:
opendir exploit cve-2017-11882 loader
Link:
https://app.any.run/tasks/78289b96-3969-4a63-8253-65f0acc39e88

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Exploit.RTF-ObfsObjDat.Gen.19761.6137.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
Sending an HTTP GET request
Creating a process from a recently created file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
60%
Tags:
embedequation exploit shellcode
Link:
https://www.filescan.io/uploads/63ecfeb545632f5c85b3802f/reports/81f2e9f2-a6c5-4995-aa54-a278bb1d2263/overview
Verdict:
Malicious
Labled as:
CVE-2017-11882
Link:
https://www.hybrid-analysis.com/sample/83fff0354fe26d0bd555881174e99c1240e362c2b62236b075f4c2a736cc1e87
Result
Verdict:
MALICIOUS
Result
Threat name:
AgentTesla, zgRAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1175880
Behaviour
Behavior Graph:
n/a
Detection:
cve-2017-11882-shellcode
Create hunting rule
Link:
https://mwdb.cert.pl/sample/83fff0354fe26d0bd555881174e99c1240e362c2b62236b075f4c2a736cc1e87/
Threat name:
Document-RTF.Exploit.CVE-2017-11882
Create hunting rule
Status:
Malicious
First seen:
2023-02-15 05:26:37 UTC
File Type:
Document
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qp77ankp4jwqxvkvraixj2m4cjaogywcwyrdnmdv6tbkonwmd2dq._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/230215-s8r7vscf27/
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
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
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
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
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
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/83fff0354fe2/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/83fff0354fe26d0bd555881174e99c1240e362c2b62236b075f4c2a736cc1e87

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 83fff0354fe26d0bd555881174e99c1240e362c2b62236b075f4c2a736cc1e87

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2540938/
  
Delivery method
Distributed via web download

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