MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3f9f77a48613a6d338ec13814b062bad3a80d8d5dd23487e7198715ab9a046a. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3f9f77a48613a6d338ec13814b062bad3a80d8d5dd23487e7198715ab9a046a
SHA3-384 hash: 4e9b0fdb8d320c9804f869c0284070e001653d037244ca11708ba76cc2c21e06d1f25eba354d3671f12f7700ebb144bd
SHA1 hash: 819ff7e8813b70f90e3a29499813468c9b9090ae
MD5 hash: 57d1a92a1d3b556f46f71cac13b9a3f1
humanhash: river-east-sink-diet
File name:Overdue outstanding service.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:407'040 bytes
First seen:2020-07-02 07:03:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:uotVtFDAD3sVzSub8EwoMAgonXzO5D+v7sbZG2:VADESug74TuZ
Threatray 10'718 similar samples on MalwareBazaar
TLSH 7384E02027FD9214FD7E1A70EEB94244877778986832E32E0A5CA01F1F77B899691773
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 142-4-22-49.unifiedlayer.com
Sending IP: 142.4.22.49
From: ACCOUNT <salim@criticalstopbd.com>
Reply-To: eric.norg@still.nl
Subject: Incoming Payment advice-BG_EDG7602020062601480045_423_760
Attachment: Overdue outstanding service.rar (contains "Overdue outstanding service.exe")

AgentTesla SMTP exfil server:
mail.mexicanproduct.com.mx:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
91
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/18344/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WQV.22403.UNOFFICIAL
Create hunting rule

Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b3f9f77a48613a6d338ec13814b062bad3a80d8d5dd23487e7198715ab9a046a/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-02 07:05:12 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wp47o6sime5g2m4oye4bjmdcxlj2qdmnlxjdjb7hdgdrlk42arva._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'708 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger trojan stealer spyware family:agenttesla
Link:
https://tria.ge/reports/200702-ew2mw38jmn/
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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: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

rar 8cd12bc4f4ff266884eb98676ea3ae5ed975f86c0fe2c5693681f647f8aecfb6

AgentTesla

Executable exe b3f9f77a48613a6d338ec13814b062bad3a80d8d5dd23487e7198715ab9a046a

(this sample)

  
Dropped by
MD5 61cf12b56c229f6c51e8c3150377829d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 8cd12bc4f4ff266884eb98676ea3ae5ed975f86c0fe2c5693681f647f8aecfb6
Cape
Cape
https://www.capesandbox.com/analysis/18344/

Comments