MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f113764c8f2056b59ea3aa219471369561aa47eb90ce7b937ba9568d1c64d018. 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 5 File information Comments

SHA256 hash: f113764c8f2056b59ea3aa219471369561aa47eb90ce7b937ba9568d1c64d018
SHA3-384 hash: 3a7109c8eb60243ce53bc4ee8b92f1ae41fb6990929c839d880596d8e6106ff565259ebad829672459d7f93d815c3ce0
SHA1 hash: 8e0387b35b19e84c778a359c4f52170b69dcc63d
MD5 hash: 0ede75e4460a9c63f44f4fac50748480
humanhash: mountain-virginia-speaker-river
File name:SGBS_AVIS_TRANSFERTS_RAPATRIEMENT_05000812377_2020110_pdf.exe
Download: download sample
Signature AgentTesla
File size:893'952 bytes
First seen:2020-11-05 10:19:14 UTC
Last seen:2020-11-05 11:51:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:S+zI8pxiPQl9TdRlexaP9Xyn3LvwK6PTKTbtintRyAuGd5mYuWaxmYrw56JObG81:S+npx5zgifHu3YuFJ46oryliFrbl
TLSH EE15BEDD725072EFC857D572CA682D74AA6078BB831F4203942395ADDE4D89BCF284F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
mail.hospitalveterinariosur.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
99
Origin country :
n/a
Vendor Threat Intelligence
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
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Detected unpacking (changes PE section rights)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
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: Capture Wi-Fi password
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 309766 Sample: SGBS_AVIS_TRANSFERTS_RAPATR... Startdate: 05/11/2020 Architecture: WINDOWS Score: 100 28 Found malware configuration 2->28 30 Sigma detected: Capture Wi-Fi password 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 9 other signatures 2->34 8 SGBS_AVIS_TRANSFERTS_RAPATRIEMENT_05000812377_2020110_pdf.exe 3 2->8         started        process3 file4 22 SGBS_AVIS_TRANSFER...2020110_pdf.exe.log, ASCII 8->22 dropped 36 Detected unpacking (changes PE section rights) 8->36 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->40 42 2 other signatures 8->42 12 SGBS_AVIS_TRANSFERTS_RAPATRIEMENT_05000812377_2020110_pdf.exe 7 8->12         started        16 SGBS_AVIS_TRANSFERTS_RAPATRIEMENT_05000812377_2020110_pdf.exe 8->16         started        signatures5 process6 dnsIp7 24 hospitalveterinariosur.com 78.142.63.55, 49755, 49756, 587 TELEPOINTBG Bulgaria 12->24 26 mail.hospitalveterinariosur.com 12->26 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->44 46 Tries to steal Mail credentials (via file access) 12->46 48 Tries to harvest and steal ftp login credentials 12->48 50 2 other signatures 12->50 18 netsh.exe 3 12->18         started        signatures8 process9 process10 20 conhost.exe 18->20         started       
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2020-11-05 08:15:35 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Verdict:
unknown
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
f113764c8f2056b59ea3aa219471369561aa47eb90ce7b937ba9568d1c64d018
MD5 hash:
0ede75e4460a9c63f44f4fac50748480
SHA1 hash:
8e0387b35b19e84c778a359c4f52170b69dcc63d
SH256 hash:
bac5797bde4b2810766a40d95bcdb825ac5b395fcbadd139daa19a44a6cdc049
MD5 hash:
a92cc1f6e0a2742350dfda6726db14c0
SHA1 hash:
e5404e3ed46498deb8ad8966a774540c2b8e9c1e
SH256 hash:
53125e425241d1aed1d22200e5f633fb850f9ad08e29da0f0182a0465e2abab4
MD5 hash:
06247c7da351fcdc99023cc7b24115eb
SHA1 hash:
5facec41fd74291e794b0ac18eb90643e7e44dbd
Detections:
win_agent_tesla_w1
SH256 hash:
04910aa6e1813a63e4fb44b9fc78f93e0e53168f5ec160b80894d9400f0d8417
MD5 hash:
1715b73e4a6cc6705ec0887923d2a67d
SHA1 hash:
bc59b69de05d4a6948260085c93f2cb9223bd380
SH256 hash:
a64826f42a7dc470811a8bfb1ff77ce85ebe4420fd48522c6d0e7945853f8517
MD5 hash:
88fb0da798e45ec615b36ded24853f8f
SHA1 hash:
c0ff255d437edd472a9a0261f62986105a5cdfa8
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_extracted_bin
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe f113764c8f2056b59ea3aa219471369561aa47eb90ce7b937ba9568d1c64d018

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments