MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c4a38783b7106da94c3bfdf1e3719a6e0761b2007441f035ca9ff38021dc2b5. 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: 1c4a38783b7106da94c3bfdf1e3719a6e0761b2007441f035ca9ff38021dc2b5
SHA3-384 hash: 9ad129b59d57a9bc88e446f672a4d24035c79628e362890b61424f6d6bf6df2095d589b846b18b2a7c1998488a59fc66
SHA1 hash: 483e4e519d515be208d2704dc2844147001581df
MD5 hash: e0e05c39e463653d6f14856ea6244b67
humanhash: magnesium-october-west-harry
File name:e0e05c39e463653d6f14856ea6244b67.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:904'704 bytes
First seen:2020-08-04 09:30:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 12288:55aHcPgYxmOSeUEaTn5q1vwx2X0cNJDc/2hKIOcx8fSa+2Do4pPeRH89fuDV/:/IYxP4ZTevwi0vHIOcx8fNVZl8V
Threatray 10'584 similar samples on MalwareBazaar
TLSH DC15BEC1F1409E50D8294E3B493399924B33AC6BEF42D607349CB6196BF76C66A35F83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.spamora.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38417/
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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408984
Signature
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for sample
Modifies the hosts 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
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1c4a38783b7106da94c3bfdf1e3719a6e0761b2007441f035ca9ff38021dc2b5/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 09:32:09 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=drfdq6b3oednvfgdx7pr4nyzu3qhmgzaa5cb6a24vh7tqaq5yk2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'574 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200804-new31atqtx/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
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/1c4a38783b7106da94c3bfdf1e3719a6e0761b2007441f035ca9ff38021dc2b5

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.

Web download

AgentTesla

Executable exe 1c4a38783b7106da94c3bfdf1e3719a6e0761b2007441f035ca9ff38021dc2b5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/413699/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/38417/

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