MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9895b7b1c03c91fdc2151bcd998adc53506fd51ead9c40b1b28e435fe3d8b52c. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9895b7b1c03c91fdc2151bcd998adc53506fd51ead9c40b1b28e435fe3d8b52c
SHA3-384 hash: 23be8b17a3aee1e3045443d5465805c16ec16255ef67e975b7229c883f7f9ba42cf97f892a50d62fcc755399baea950a
SHA1 hash: b00d68c7bbd2c82ca1e57a5dd7178a25098f0afb
MD5 hash: 935f1638ab97cbcdbd1be6c0ec505e8b
humanhash: nine-nitrogen-don-mango
File name:winlogon.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:547'328 bytes
First seen:2021-11-26 13:12:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:LyS6hloLhdzdkw3pp6TepxHIdonG/AuheB32j4+FkTixBFm0:u9iTpkHTepF8F/9QxbHTi1
Threatray 13'223 similar samples on MalwareBazaar
TLSH T10BC40119322E6F10D47C0BF788C2A590A7F9A5635601E34E5DC330EE6AE6FF9014AA57
Reporter pr0xylife
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
149
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
winlogon.exe
Verdict:
Malicious activity
Analysis date:
2021-11-26 13:22:57 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/659b266a-49cf-4cd6-b711-b4a781e033cf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Creating a file
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61a0dd63f36138de3f3f0029/reports/e883cf25-39e0-47d1-805b-665881229d84/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/da2bf5e8-aa4d-48dd-ad79-12654a9c6a40
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/896744
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicius Add Task From User AppData Temp
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 529218 Sample: winlogon.exe Startdate: 26/11/2021 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Found malware configuration 2->37 39 Multi AV Scanner detection for dropped file 2->39 41 10 other signatures 2->41 7 winlogon.exe 7 2->7         started        process3 file4 23 C:\Users\user\AppData\Roaming\VJLHKXn.exe, PE32 7->23 dropped 25 C:\Users\user\...\VJLHKXn.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\Local\...\tmp4D7A.tmp, XML 7->27 dropped 29 C:\Users\user\AppData\...\winlogon.exe.log, ASCII 7->29 dropped 43 Uses schtasks.exe or at.exe to add and modify task schedules 7->43 45 Adds a directory exclusion to Windows Defender 7->45 11 RegSvcs.exe 2 7->11         started        15 powershell.exe 25 7->15         started        17 schtasks.exe 1 7->17         started        signatures5 process6 dnsIp7 31 incolbo.com 178.33.113.220, 49806, 587 OVHFR France 11->31 33 mail.incolbo.com 11->33 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->49 51 Tries to steal Mail credentials (via file / registry access) 11->51 53 3 other signatures 11->53 19 conhost.exe 15->19         started        21 conhost.exe 17->21         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/9895b7b1c03c91fdc2151bcd998adc53506fd51ead9c40b1b28e435fe3d8b52c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-11-26 13:13:12 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tck3pmoahsi73qqvdpgztcw4knig7vi6vwoebmnsrzbv7y6ywuwa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
149e5cb565e56469e6ff5c929185e203c92be0d8541faf0cf38da0003ae211d3
AgentTesla
3262041b975c085ac4910cab0c54cafd02bee3accf8f921712f9a626634ea833
AgentTesla
5ccb4b42592b867c638bc0b10bd75d11865ee1bea36d8242bffe1aba403336e4
AgentTesla
6ba09bf0b6f9ed13f6600679a0c81cc79dc1461213798b606178f3815078aedd
AgentTesla
903de95a30d55eaf9ecb49a0a310df96c215b51b25b3d3e8628adae14a94e7f0
AgentTesla
b157153918adc3c3a8adefbbff032fa79e58d84c26516859e3396b9525811a31
AgentTesla
b82421f869673a50e627715bc589112e3369c72a8084fd2d3b56c540cd5b78dd
AgentTesla
bb57c2b499e95ea428e11b2f61d41c0efecc1b549c0741f99f49d71bfac09556
AgentTesla
dd2e67109ca177d54b1727b5e364c9af99c2c461e0ee27dc31dafa045da963cd
AgentTesla
+ 13'213 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/211126-qf4n3scdhj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
722023ac1122aaca80acf00a5318bb257169caccb393359a33762cf92e1c9352
MD5 hash:
1823376ec5ef764e09d477308cde6042
SHA1 hash:
c146d6e24c1cb0454f4cae99a9c1afd6506e5091
Link:
https://www.unpac.me/results/b26c43b7-9bd1-447b-a34f-2dd11bae61a6/
SH256 hash:
a698fb755b8cb9e0335aae067c6ceada2118b70c70cf335e76d134e23fb27899
MD5 hash:
a5986298f657a1fd53eec40210fe4724
SHA1 hash:
7aed8694d8db733480ea34d0234236d0e9aa851d
Link:
https://www.unpac.me/results/b26c43b7-9bd1-447b-a34f-2dd11bae61a6/
SH256 hash:
f6639a3b21a09ca5e9e43e10f8ac7f822956232806805252096f03f68bc9815c
MD5 hash:
aa334e922c53c5cba0b43c342ac13b14
SHA1 hash:
68109327b5e98174293bb348dfea6a088cbd5d2f
Link:
https://www.unpac.me/results/b26c43b7-9bd1-447b-a34f-2dd11bae61a6/
SH256 hash:
9895b7b1c03c91fdc2151bcd998adc53506fd51ead9c40b1b28e435fe3d8b52c
MD5 hash:
935f1638ab97cbcdbd1be6c0ec505e8b
SHA1 hash:
b00d68c7bbd2c82ca1e57a5dd7178a25098f0afb
Link:
https://www.unpac.me/results/b26c43b7-9bd1-447b-a34f-2dd11bae61a6/
Malware family:
Agent Tesla v3
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/9895b7b1c03c/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/9895b7b1c03c91fdc2151bcd998adc53506fd51ead9c40b1b28e435fe3d8b52c

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

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

Web download

AgentTesla

Executable exe 9895b7b1c03c91fdc2151bcd998adc53506fd51ead9c40b1b28e435fe3d8b52c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1820109/
  
Delivery method
Distributed via web download

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