MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 45286f8728324778e28e8e20ee34e789d7123e04158ac789dcbed9a94f42da6b. 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: 45286f8728324778e28e8e20ee34e789d7123e04158ac789dcbed9a94f42da6b
SHA3-384 hash: 277c3b011085904658fd94a6cd69c56bf74853916782cfa5948b8b09f71ab7a4e39dab483d41f24cc2975e654d2aafc6
SHA1 hash: 84a544155b7edf609a9167cd457d4bf43549eb0f
MD5 hash: 67ceb30bdfbdc644e803f9b5dd7259b1
humanhash: nuts-lamp-cup-pennsylvania
File name:pFDbiqwHV0CMiHl.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:603'648 bytes
First seen:2020-08-17 08:25:24 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 12288:6e4EcmZHAFaxmVmie9bngPxriuxQymleXpYUnEoEFtBUpC3lepUgxIKwlFQWql90:D4EcmZHAFaxmVmie9bngPxr2kXpYra5p
Threatray 9'466 similar samples on MalwareBazaar
TLSH 4DD48C4879C0D28DD8E94FB8D8689CF023973F2AD535A90B9D6B3EA433F76D25D1104A
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: out6.mx.root.lu
Sending IP: 83.243.9.203
From: Belmont Trading <info.hq@belmont-trading.com>
Reply-To: <info.hq@belmont-trading.com>
Subject: ORDER LIST
Attachment: ORDER LIST.GZ.rar (contains "pFDbiqwHV0CMiHl.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
67
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/46819/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/432894
Signature
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
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)
Sigma detected: Scheduled temp file as task from temp location
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 signatures2 2 Behavior Graph ID: 268753 Sample: pFDbiqwHV0CMiHl.exe Startdate: 17/08/2020 Architecture: WINDOWS Score: 100 33 Found malware configuration 2->33 35 Sigma detected: Scheduled temp file as task from temp location 2->35 37 Yara detected AgentTesla 2->37 39 5 other signatures 2->39 7 pFDbiqwHV0CMiHl.exe 7 2->7         started        process3 file4 21 C:\Users\user\AppData\Roaming\ehTEBhk.exe, PE32 7->21 dropped 23 C:\Users\user\...\ehTEBhk.exe:Zone.Identifier, ASCII 7->23 dropped 25 C:\Users\user\AppData\Local\...\tmpAE71.tmp, XML 7->25 dropped 27 C:\Users\user\...\pFDbiqwHV0CMiHl.exe.log, ASCII 7->27 dropped 41 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->41 43 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->43 45 Injects a PE file into a foreign processes 7->45 11 pFDbiqwHV0CMiHl.exe 2 7->11         started        15 schtasks.exe 1 7->15         started        17 pFDbiqwHV0CMiHl.exe 7->17         started        signatures5 process6 dnsIp7 29 smtp.yandex.ru 77.88.21.158, 49748, 587 YANDEXRU Russian Federation 11->29 31 smtp.yandex.com 11->31 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->47 49 Tries to steal Mail credentials (via file access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 19 conhost.exe 15->19         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/45286f8728324778e28e8e20ee34e789d7123e04158ac789dcbed9a94f42da6b/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-17 03:16:22 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iuug7bzigjdxryuoryqo4nhhrhlrepqecwfmpco4x3m2st2c3jvq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 9'456 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200817-3tjfahjmv6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/45286f8728324778e28e8e20ee34e789d7123e04158ac789dcbed9a94f42da6b

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 58abf17727d85321f50de770499dee30466ccb9f053130e6d7d626e836067f17

AgentTesla

Executable exe 45286f8728324778e28e8e20ee34e789d7123e04158ac789dcbed9a94f42da6b

(this sample)

  
Dropped by
MD5 4a33bd2f9adbc37f6567873b615d0ca1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/46819/
  
Dropped by
SHA256 58abf17727d85321f50de770499dee30466ccb9f053130e6d7d626e836067f17

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