MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f26c6e863a8d2530820de8407917264d029ae36a470609646fdae8145134cac5. 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: f26c6e863a8d2530820de8407917264d029ae36a470609646fdae8145134cac5
SHA3-384 hash: df944f9797c4ee355e97406d16fc0f4044c75a4990e67d1fc9c5e36e1c500e43432fd0c2883d3e622f3e0f3d830ac882
SHA1 hash: 5bc2c66890dfe0b361bd8a6977f080731378e715
MD5 hash: 4fd62f05858c3ce241b04f796571a1fb
humanhash: steak-carpet-eleven-cat
File name:Prestige Sales Contract 20JQGLH01.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:428'544 bytes
First seen:2020-08-20 06:14:54 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:ScabOqcAyMxqMggEM+gc2gJbnXg4wVSB1:cOq7bxaM+pXwVk
Threatray 10'608 similar samples on MalwareBazaar
TLSH 5794128333682F16F235A3F96125664283F765372913E34D4EC5A9DE2838F194A22FD7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: srv1000.cpeasydns.com
Sending IP: 52.117.216.21
From: Prestige <purchase@mggreyengine.com>
Reply-To: Prestige <procurement@prestigeengg.com>
Subject: RE: RE: RE: RFQ Sales Contract 20JQGLH01
Attachment: Prestige Sales Contract 20JQGLH01.rar (contains "Prestige Sales Contract 20JQGLH01.exe")

Intelligence

File Origin
# of uploads :
1
# of downloads :
100
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/48990/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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/440552
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: 272844 Sample: Prestige Sales Contract 20J... Startdate: 21/08/2020 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 Yara detected AgentTesla 2->72 74 7 other signatures 2->74 7 newapp.exe 5 2->7         started        10 Prestige Sales Contract 20JQGLH01.exe 7 2->10         started        13 newapp.exe 2->13         started        process3 file4 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 Machine Learning detection for dropped file 7->78 80 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->80 82 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->82 15 newapp.exe 2 7->15         started        19 schtasks.exe 1 7->19         started        40 C:\Users\user\AppData\...\picTRjrkPI.exe, PE32 10->40 dropped 42 C:\Users\...\picTRjrkPI.exe:Zone.Identifier, ASCII 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmpCC4A.tmp, XML 10->44 dropped 46 Prestige Sales Con...t 20JQGLH01.exe.log, ASCII 10->46 dropped 84 Injects a PE file into a foreign processes 10->84 21 Prestige Sales Contract 20JQGLH01.exe 2 5 10->21         started        24 schtasks.exe 1 10->24         started        26 schtasks.exe 13->26         started        28 newapp.exe 13->28         started        signatures5 process6 dnsIp7 48 smtp.blueskypaclficgroup.com 15->48 50 208.91.198.143, 49739, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->58 60 Tries to steal Mail credentials (via file access) 15->60 62 Tries to harvest and steal ftp login credentials 15->62 64 Tries to harvest and steal browser information (history, passwords, etc) 15->64 30 conhost.exe 19->30         started        52 smtp.blueskypaclficgroup.com 21->52 54 us2.smtp.mailhostbox.com 208.91.199.223, 49738, 587 PUBLIC-DOMAIN-REGISTRYUS United States 21->54 56 192.168.2.1 unknown unknown 21->56 36 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 21->36 dropped 38 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 21->38 dropped 66 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->66 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/f26c6e863a8d2530820de8407917264d029ae36a470609646fdae8145134cac5/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-20 06:16:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6jwg5br2rustbaqn5bahsfzgjubjvy3ki4daszdp3lubiujuzlcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'598 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/200820-a9w3hsqmb2/
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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f26c6e863a8d2530820de8407917264d029ae36a470609646fdae8145134cac5

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.

d4bdcd81c656a153ea0d0c70e23892e1

AgentTesla

Executable exe f26c6e863a8d2530820de8407917264d029ae36a470609646fdae8145134cac5

(this sample)

  
Dropped by
MD5 d4bdcd81c656a153ea0d0c70e23892e1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/48990/

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