MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c78121bbdd5fd02c92cca52055650fdd918a18da261844b609d0eb65a372aa52. 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: c78121bbdd5fd02c92cca52055650fdd918a18da261844b609d0eb65a372aa52
SHA3-384 hash: 930f4fd4adabe6e6c10b1c3c9573b82c3cd3f3d33fb185c6abfdb6e4bf9d927dfdaaf3c6848d5081c2d604879d82c356
SHA1 hash: ef0779c0b049de4e0c59db9d2e69acb5d74a5a89
MD5 hash: 40bd78d5e6e8ce4fb0a5ac7b1a626bb8
humanhash: ohio-echo-beryllium-low
File name:DATASHEETS.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:567'296 bytes
First seen:2020-08-13 11:15:17 UTC
Last seen:2020-08-13 12:24:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:5+/GAOtz4t2aZvRDoy7vscv8Q055rPWwqTvjzEB0:5+/O4t9T7hv8Q0f7WwqTPC0
Threatray 10'589 similar samples on MalwareBazaar
TLSH FBC4D02A12F4DA09C07BF37CA2645156B3F76D4A10A6C70A5CDD18D80D31BE24B66EFE
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: srv1000.cpeasydns.com
Sending IP: 52.117.216.21
From: Jabbar Khan <purchase@mggreyengine.com>
Reply-To: Jabbar Khan <procurement@mggreyengine.com>
Subject: REQUEST FOR QUOTATION #Q22199
Attachment: DATASHEETS.rar (contains "DATASHEETS.exe")

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

AgentTesla SMTP exfil email address:
bliss@blueskypaclficgroup.com

Intelligence

File Origin
# of uploads :
2
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45119/
Detection(s):
SecuriteInfo.com.Generic.mg.40bd78d5e6e8ce4f.13528.UNOFFICIAL
Create hunting rule

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/425981
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
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: 265607 Sample: DATASHEETS.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 66 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->66 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 4 other signatures 2->72 7 DATASHEETS.exe 7 2->7         started        11 newapp.exe 4 2->11         started        13 newapp.exe 5 2->13         started        process3 file4 44 C:\Users\user\AppData\Local\...\tmp66AB.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\Roaming\XnxRtt.exe, PE32 7->46 dropped 74 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 15 DATASHEETS.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 DATASHEETS.exe 7->22         started        24 DATASHEETS.exe 7->24         started        78 Injects a PE file into a foreign processes 11->78 26 newapp.exe 11->26         started        28 schtasks.exe 11->28         started        80 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 13->80 30 schtasks.exe 13->30         started        32 newapp.exe 13->32         started        signatures5 process6 dnsIp7 48 smtp.blueskypaclficgroup.com 15->48 50 us2.smtp.mailhostbox.com 208.91.199.224, 49759, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 40 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 15->40 dropped 42 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 15->42 dropped 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->56 34 conhost.exe 20->34         started        52 208.91.199.223, 49768, 587 PUBLIC-DOMAIN-REGISTRYUS United States 26->52 54 smtp.blueskypaclficgroup.com 26->54 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->58 60 Tries to steal Mail credentials (via file access) 26->60 62 Tries to harvest and steal ftp login credentials 26->62 64 Tries to harvest and steal browser information (history, passwords, etc) 26->64 36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c78121bbdd5fd02c92cca52055650fdd918a18da261844b609d0eb65a372aa52/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 11:17:06 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y6asdo65l7iczewmuuqfkzip3wiyugg2eymejnqj2dvwli3svjja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'579 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/200813-3c3amxy1t6/
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/c78121bbdd5fd02c92cca52055650fdd918a18da261844b609d0eb65a372aa52

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 d9ab2ebf116a78a50515ceff478c07e505d6311d3b76134c8642babf775804e1

AgentTesla

Executable exe c78121bbdd5fd02c92cca52055650fdd918a18da261844b609d0eb65a372aa52

(this sample)

  
Dropped by
MD5 002ee2a71b4229c9f95429260d713b89
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45119/
  
Dropped by
SHA256 d9ab2ebf116a78a50515ceff478c07e505d6311d3b76134c8642babf775804e1

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