MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a979468a630cd6363538edb3060e347367a00d5258ffe50d93c698764a48553d. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a979468a630cd6363538edb3060e347367a00d5258ffe50d93c698764a48553d
SHA3-384 hash: 08a07870ebecbac1e5df4957f430d8353008cafd4579d65564affb5a8e25bb6e903dfee14fff3875dce2df92e8e0b213
SHA1 hash: 4f5e96853994e623cfdb4248deaccdad869c14d4
MD5 hash: 37b8d3ea2558d3c41f0f4e8c9151708f
humanhash: moon-burger-sweet-speaker
File name:FB.xlsm
Download: download sample
Signature AgentTesla
Create hunting rule
File size:80'430 bytes
First seen:2020-07-29 10:56:34 UTC
Last seen:2020-07-29 12:22:48 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:n/slzpcUkATocf8LFKDvJtwVD1BSw/+ipXDYpUbL86q:/stuUw1JD1Qw/+ipXDYpaLxq
TLSH 877302745D12BCD3C223D372AAB70C25144F35819608F76B2A29A6E6890F679176C3FF
Reporter abuse_ch
Tags:AgentTesla xlsm Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic302-28.consmr.mail.ne1.yahoo.com
Sending IP: 66.163.186.154
From: Gary Wadkins <gwadkins@topcos.net>
Reply-To: Gary Wadkins <gwadkins@topcos.net>
Subject: Re: Signed Hud!
Attachment: FB.xlsm

AgentTesla payload URL.
http://185.172.110.210/focm/ceeold.exe

AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Heur.Macro.Generic.h.24e9c274.25172.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file
Unauthorized injection to a recently created process by context flags manipulation
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
Unknown
Detection:
malicious
Classification:
expl
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/402308
Signature
Creates HTML files with .exe extension (expired dropper behavior)
Document exploit detected (creates forbidden files)
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a979468a630cd6363538edb3060e347367a00d5258ffe50d93c698764a48553d/
Threat name:
Script.Trojan.Dornoe
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 10:58:10 UTC
AV detection:
15 of 27 (55.56%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vf4unctdbtldmnjy5wzqmdruont2adksld76kdmty2mhmssiku6q._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200729-86gab7llza/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Office loads VBA resources, possible macro or embedded object present
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Dropper
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/a979468a630cd6363538edb3060e347367a00d5258ffe50d93c698764a48553d

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:Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
Rule name:win_agent_tesla_w1
Create hunting rule
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Excel file xlsm a979468a630cd6363538edb3060e347367a00d5258ffe50d93c698764a48553d

(this sample)

AgentTesla

Executable exe 397856a57872de4a988545cec0b7cbe95b385b20855bcb02660532f1f0fe50d0

  
URLhaus
https://urlhaus.abuse.ch/url/421351/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 397856a57872de4a988545cec0b7cbe95b385b20855bcb02660532f1f0fe50d0
  
Dropping
MD5 e0db82cedd5eca589fd16b2c9aab94ad

Comments