MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98c7f4edb36e0d90ebd8d9aa17a5ac6f29003ed677464bdc05b19b2f17bc62ca. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 98c7f4edb36e0d90ebd8d9aa17a5ac6f29003ed677464bdc05b19b2f17bc62ca
SHA3-384 hash: c0611263ef2eea1975709f9e1f10e875ab7c27053945d742c9a2d7f008eb28db6efb6ac77578c41e998a460c257fcb69
SHA1 hash: 06a4eeb8d76b698a2907c63a9f950fb52ce67296
MD5 hash: 71ab275be47c8b8627b92a1b966c337e
humanhash: apart-delaware-island-alaska
File name:FACTURA_FISCALA-RO81061402-6403840980PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'116'672 bytes
First seen:2020-08-04 11:14:36 UTC
Last seen:2020-08-07 01:56:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:bSJRyTPtD8HOJrTGBuMq1V5p4wJ8hkdTq8qaHKCdg8tmxS3D4/uG3aaAJVg:b+Ry98H2GBuJVJZIac8toSz5Gy
Threatray 11'286 similar samples on MalwareBazaar
TLSH 0C359DC2F140D951C95A4E36CD67DA9483337D66FF4797063088BA2B38E31D3AE266C6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ns5.piensanet.com
Sending IP: 91.121.181.22
From: Nicoleta Novac <Nicoleta.novac@ro.dsv.com>
Subject: DSV Solutions SRL (RO1) - Otopeni - FACTURA FISCALA - RO81053473 - 6404585917 - STAD81272405
Attachment: FACTURA_FISCALA-RO81061402-6403840980PDF.iso (contains "FACTURA_FISCALA-RO81061402-6403840980PDF.exe")

AgentTesla FTP exfil server:
ftp.solarcenter.ro:21

Intelligence

File Origin
# of uploads :
3
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38557/
Detection(s):
SecuriteInfo.com.Backdoor.MSIL.Bladabindi.14667.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/409201
Signature
Injects a PE file into a foreign processes
Machine Learning detection for sample
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256859 Sample: FACTURA_FISCALA-RO81061402-... Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 22 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->22 24 Yara detected AgentTesla 2->24 26 Yara detected AntiVM_3 2->26 28 2 other signatures 2->28 6 FACTURA_FISCALA-RO81061402-6403840980PDF.exe 3 2->6         started        process3 file4 18 FACTURA_FISCALA-RO...03840980PDF.exe.log, ASCII 6->18 dropped 30 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->30 32 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->32 34 Injects a PE file into a foreign processes 6->34 10 FACTURA_FISCALA-RO81061402-6403840980PDF.exe 15 4 6->10         started        14 FACTURA_FISCALA-RO81061402-6403840980PDF.exe 6->14         started        16 FACTURA_FISCALA-RO81061402-6403840980PDF.exe 6->16         started        signatures5 process6 dnsIp7 20 ftp.solarcenter.ro 188.212.156.20, 21, 39968, 49736 GTSCEGTSCentralEuropeAntelGermanyCZ Romania 10->20 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->36 38 Tries to steal Mail credentials (via file access) 10->38 40 Tries to harvest and steal ftp login credentials 10->40 42 Tries to harvest and steal browser information (history, passwords, etc) 10->42 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/98c7f4edb36e0d90ebd8d9aa17a5ac6f29003ed677464bdc05b19b2f17bc62ca/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 11:16:11 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=tdd7j3ntnygzb26y3gvbpjnmn4uqapwwo5dexxafwgns6f54mlfa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'276 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200804-7yb86641ke/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/98c7f4edb36e0d90ebd8d9aa17a5ac6f29003ed677464bdc05b19b2f17bc62ca

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

iso 6e7f7fb9d48deac2f8c16756788c27eb6209b1ed113580290a85e7fb8a094cbb

AgentTesla

Executable exe 98c7f4edb36e0d90ebd8d9aa17a5ac6f29003ed677464bdc05b19b2f17bc62ca

(this sample)

  
Dropped by
MD5 7f17e82eb778c426be078031c588fead
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38557/
  
Dropped by
SHA256 6e7f7fb9d48deac2f8c16756788c27eb6209b1ed113580290a85e7fb8a094cbb

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