MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4. 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: 55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4
SHA3-384 hash: f9a815288c6a3c88f9c83d3d62d48570368789e715d5ee06e09bfe410c8095e12fb6b28a8bbd1099139f6e84d593dc68
SHA1 hash: 623d5d03b2395892d47decd79383191bdc075167
MD5 hash: 170448054b389be45e6b65abbc7fe5e0
humanhash: ten-mars-uniform-uniform
File name:Port Inquiry for discharge 2000mt_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:687'104 bytes
First seen:2020-08-31 13:07:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:svxQg5Fapkx89wxyuNVzGXSDGC13oIY0Y78cOMwVB:w5LBxb9VyXSDv6T8+
Threatray 10'634 similar samples on MalwareBazaar
TLSH 12E412507A5CEB91DCF94BF5D84EBA5003213C2ACC88FF5EB6C843AF2592715854A72B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ew0.717.maxzizo.ml
Sending IP: 165.22.87.203
From: Five Ocean - Ops <ops@fiveocean.co.kr>
Subject: Re: Port Inquiry for discharge 2000mt
Attachment: Port Inquiry for discharge 2000mt_pdf.rar (contains "Port Inquiry for discharge 2000mt_pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53545/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/455486
Signature
.NET source code contains potential unpacker
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
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: 280120 Sample: Port Inquiry for discharge ... Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 51 Found malware configuration 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected AgentTesla 2->55 57 7 other signatures 2->57 6 Port Inquiry for discharge 2000mt_pdf.exe 1 2->6         started        9 WNRUXJ.exe 2->9         started        11 WNRUXJ.exe 1 2->11         started        process3 file4 23 Port Inquiry for d... 2000mt_pdf.exe.log, ASCII 6->23 dropped 14 Port Inquiry for discharge 2000mt_pdf.exe 2 5 6->14         started        19 WNRUXJ.exe 2 9->19         started        59 Multi AV Scanner detection for dropped file 11->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->61 63 Machine Learning detection for dropped file 11->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->65 21 WNRUXJ.exe 2 11->21         started        signatures5 process6 dnsIp7 29 smtp.yandex.ru 77.88.21.158, 49732, 49745, 587 YANDEXRU Russian Federation 14->29 31 smtp.yandex.com 14->31 25 C:\Users\user\AppData\Roaming\...\WNRUXJ.exe, PE32 14->25 dropped 27 C:\Users\user\...\WNRUXJ.exe:Zone.Identifier, ASCII 14->27 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Moves itself to temp directory 14->39 41 Tries to steal Mail credentials (via file access) 14->41 43 Installs a global keyboard hook 14->43 33 192.168.2.1 unknown unknown 19->33 35 smtp.yandex.com 19->35 45 Tries to harvest and steal ftp login credentials 19->45 47 Tries to harvest and steal browser information (history, passwords, etc) 19->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->49 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 05:17:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kuiuxv4aq2hywxakzat62p72cvxatmmut4ouq3737v4tddgpd32a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'624 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200831-5ljcq9fpzj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4

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 462b8b3a18f186d5e60c912f18f493bde5b7fe168ef3cc438b62320123cfadbf

AgentTesla

Executable exe 55114bd780868f8b5c0ac827ed3ffa156e09b1949f1d486ffbfd79318ccf1ef4

(this sample)

  
Dropped by
MD5 f8da7bd3bcffaa1dba3fa5d2d34ac940
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53545/
  
Dropped by
SHA256 462b8b3a18f186d5e60c912f18f493bde5b7fe168ef3cc438b62320123cfadbf

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