MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f6b1d589dc64f831e1c8e5dda0de1a711aa909ec29c86a7471ae04471ae8bc5f. 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: f6b1d589dc64f831e1c8e5dda0de1a711aa909ec29c86a7471ae04471ae8bc5f
SHA3-384 hash: 651c9ff3c2f06a4f2ab1140470ac7fd0c011ff74d4071da7c6a4d9284a8858db4c6c903d08132210a321906b1530c3c9
SHA1 hash: 84677898d82fcf95abacbb54514d3105173a4ef7
MD5 hash: e79c2c35fc1f1ef2152eaa4ab74debbc
humanhash: jig-alpha-oven-mississippi
File name:New Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:909'824 bytes
First seen:2020-08-31 10:49:58 UTC
Last seen:2020-08-31 12:17:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:5nwa7jn68acnxuSPJ8WX9FmdGRybF5Rkf:5J689nnamP8bY
Threatray 10'554 similar samples on MalwareBazaar
TLSH 5015D013131D9B2ED81873B9359040DCE2F27B82EB38E1D8DD4B71EA582A60DB5DD687
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mx.skywaytechnics.com
Sending IP: 157.245.189.198
From: SYED MUHAMMAD BABER <useree@skywaytechnics.com>
Subject: RE: Order Confirmation
Attachment: New Order.iso (contains "New Order.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53419/
Detection(s):
SecuriteInfo.com.Generic.mg.e79c2c35fc1f1ef2.1090.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/455284
Signature
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
Injects a PE file into a foreign processes
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: 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 signatures2 2 Behavior Graph ID: 280017 Sample: New Order.exe Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 11 other signatures 2->70 7 JcoGam.exe 5 2->7         started        10 New Order.exe 7 2->10         started        13 JcoGam.exe 2->13         started        process3 file4 72 Multi AV Scanner detection for dropped file 7->72 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Machine Learning detection for dropped file 7->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->78 15 JcoGam.exe 2 7->15         started        19 schtasks.exe 1 7->19         started        40 C:\Users\user\AppData\...\nOObhQRcZERyvH.exe, PE32 10->40 dropped 42 C:\...\nOObhQRcZERyvH.exe:Zone.Identifier, ASCII 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmp14F9.tmp, XML 10->44 dropped 46 C:\Users\user\AppData\...46ew Order.exe.log, ASCII 10->46 dropped 80 Injects a PE file into a foreign processes 10->80 21 New Order.exe 2 5 10->21         started        24 schtasks.exe 1 10->24         started        26 schtasks.exe 13->26         started        28 JcoGam.exe 13->28         started        signatures5 process6 dnsIp7 48 smtp.pengteh.com 15->48 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 Tries to harvest and steal browser information (history, passwords, etc) 15->60 50 smtp.pengteh.com 21->50 52 us2.smtp.mailhostbox.com 208.91.198.143, 49734, 49746, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->52 36 C:\Users\user\AppData\Roaming\...\JcoGam.exe, PE32 21->36 dropped 38 C:\Users\user\...\JcoGam.exe:Zone.Identifier, ASCII 21->38 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->62 30 conhost.exe 24->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f6b1d589dc64f831e1c8e5dda0de1a711aa909ec29c86a7471ae04471ae8bc5f/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 05:04:35 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=62y5lco4mt4ddyoi4xo2bxq2oenkscpmfhegu5drvyceogxixrpq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'544 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-rm684ct9vj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f6b1d589dc64f831e1c8e5dda0de1a711aa909ec29c86a7471ae04471ae8bc5f

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 ce167c5a40e475763c0d29495982695413503d30e839d541657f7015d14f6ff2

AgentTesla

Executable exe f6b1d589dc64f831e1c8e5dda0de1a711aa909ec29c86a7471ae04471ae8bc5f

(this sample)

  
Dropped by
MD5 12b75dbe5d0506421e60286ca7dfeeab
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ce167c5a40e475763c0d29495982695413503d30e839d541657f7015d14f6ff2
Cape
Cape
https://www.capesandbox.com/analysis/53419/

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