MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d71568c813508e5ca61308f597bfccf2f11fec2d5ec90bd2287d3e4b7cbb3e11. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d71568c813508e5ca61308f597bfccf2f11fec2d5ec90bd2287d3e4b7cbb3e11
SHA3-384 hash: 6d0776f0637195725705b2cdcfad81cdbf39f883089ddbfb1491bd3a2c7b5d0099a5a70fa6b2ecf73e0f463040a8c43c
SHA1 hash: 2eff3d0dd6158406b7141bf0dc0a81ff9b0787e8
MD5 hash: da6cd237d9ecea1c654c6a01d3958b76
humanhash: whiskey-hot-idaho-six
File name:UlaşCOŞKUNSipariş.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'134'080 bytes
First seen:2020-08-04 11:04:06 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 12288:4XKl9yzDtD8HOJrTGBuMq1V5p4wJ8hkdTq8pZPsHrz55YywTCzp035kIxp9yG+bM:cEyB8H2GBuJVJZ9W55YZCz+3wG+D
Threatray 11'379 similar samples on MalwareBazaar
TLSH A8358DC2F140C950C96A4E36CD67DA9443327D66FF4797167088BB2B38F3193AE266C6
Reporter abuse_ch
Tags:AgentTesla exe geo TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: alnassar.com.sa
Sending IP: 162.244.93.110
From: Mustafa <mustafa.sen@altunkaya.com>
Reply-To: mustafa.sen@altunkaya.com
Subject: Ulaş COŞKUN Sipariş
Attachment: UlaşCOŞKUNSipariş.exe

AgentTesla SMTP exfil server:
asnbanknl.com:21

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38531/
Detection(s):
SecuriteInfo.com.Backdoor.MSIL.Bladabindi.23642.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Enabling autorun by 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/409276
Signature
Installs a global keyboard hook
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: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 256929 Sample: Ula#U015fCO#U015eKUNSipari#... Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 24 cdn.onenote.net 2->24 26 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->26 30 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->30 32 Sigma detected: Scheduled temp file as task from temp location 2->32 34 Yara detected AgentTesla 2->34 36 3 other signatures 2->36 8 Ula#U015fCO#U015eKUNSipari#U015f.exe 7 2->8         started        signatures3 process4 file5 20 C:\Users\user\AppData\Local\...\tmp1AAE.tmp, XML 8->20 dropped 22 C:\Users\user\AppData\...\wAoFtVHZZxBKGN.exe, PE32 8->22 dropped 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->40 12 Ula#U015fCO#U015eKUNSipari#U015f.exe 15 2 8->12         started        16 schtasks.exe 1 8->16         started        signatures6 process7 dnsIp8 28 asnbanknl.com 185.36.81.151, 21, 49738, 49739 TELE-ASTeleAsiaLimitedHK Lithuania 12->28 42 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->42 44 Tries to steal Mail credentials (via file access) 12->44 46 Tries to harvest and steal ftp login credentials 12->46 48 2 other signatures 12->48 18 conhost.exe 16->18         started        signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d71568c813508e5ca61308f597bfccf2f11fec2d5ec90bd2287d3e4b7cbb3e11/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 11:06:07 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=24kwrsatkchfzjqtbd2zpp6m6lyr73bnl3eqxuripu7ew7f3hyiq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'369 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200804-rwwryx5b5e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Program crash
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/d71568c813508e5ca61308f597bfccf2f11fec2d5ec90bd2287d3e4b7cbb3e11

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

Executable exe d71568c813508e5ca61308f597bfccf2f11fec2d5ec90bd2287d3e4b7cbb3e11

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38531/

Comments