MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39c437d661ebd2816fb9228a00524a526abbfea18a3b17aba9a4abbfd7691045. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 39c437d661ebd2816fb9228a00524a526abbfea18a3b17aba9a4abbfd7691045
SHA3-384 hash: f0d270713035b2cdae6eceb8bbec670dc90b59c3c62868fc523d60c963ca3f66a30ab125b1939d2956ab549ef6b4d5ec
SHA1 hash: e6e454a6ae42414dc03afd6f2fade5fdf1f72a52
MD5 hash: 7bfad62088a9d2186c233c0d346a58de
humanhash: sierra-don-march-west
File name:INVOICE PDF.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:569'856 bytes
First seen:2020-07-07 17:26:27 UTC
Last seen:2020-07-07 19:08:28 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 12288:/gc13veU+BHtCOcq9P/oMPJljLlE+k4/Zo/le1KAnPpjfWnmwo:XWU+xBb2iLXksKlaxjfeFo
Threatray 10'656 similar samples on MalwareBazaar
TLSH AFC4BE7032A5AFA7C5390FF4951421004FF5299B653EC2A8AEC560DB45F6F488EA1FB3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: chisa-novelties.com
Sending IP: 103.99.1.174
From: yummy<yummy@chisa-novelties.com>
Subject: invoice
Attachment: INVOICE PDF.zip (contains "INVOICE PDF.exe")

AgentTesla SMTP exfil server:
mail.dianaglobalmandiri.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22375/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.57092.7172.20026.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/39c437d661ebd2816fb9228a00524a526abbfea18a3b17aba9a4abbfd7691045/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 17:28:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=hhcdpvtb5pjic35zekfaauskkjvlx7vbri5rpk5jusv37v3jcbcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'646 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200707-ghbr9wxz52/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Drops file in Drivers directory
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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

zip aecf0319f9935652d1d77ed7d1805321a07a8de8d84c0bdd0b3f281bbe244533

AgentTesla

Executable exe 39c437d661ebd2816fb9228a00524a526abbfea18a3b17aba9a4abbfd7691045

(this sample)

  
Dropped by
MD5 597d18ef1f80e14582b14614bab34d76
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22375/
  
Dropped by
SHA256 aecf0319f9935652d1d77ed7d1805321a07a8de8d84c0bdd0b3f281bbe244533

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