MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c5e5b876e4f9963e75d86311ae11ccef749f3d7c77ad038a69e9f338294b0a9c. 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: c5e5b876e4f9963e75d86311ae11ccef749f3d7c77ad038a69e9f338294b0a9c
SHA3-384 hash: e3720a54677b468957d206de1aa3abb8037cd41075c92aff712fd0bffb5a59b0799dc13c6999dfc0604e54f3d87f6354
SHA1 hash: 4721d56e66dee4347f5192813e012563595d8902
MD5 hash: b1510ea66878a37dd00d7d2ac9afd3e5
humanhash: hawaii-fifteen-wolfram-salami
File name:Inv3542.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:782'336 bytes
First seen:2020-08-14 10:41:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d244fe4d351a3cdd4f1c2ebd1ddbf641 (5 x AgentTesla, 2 x Loki)
ssdeep 12288:gKivrObZsPuuihDBgk+FqaBTmRi0Zckef95LIzRQaOZ8WVVQ1SalIUHJ7qA+10Re:g7vqbZzuihDozTmUfzLIiDZ8K/aqEJWZ
Threatray 11'258 similar samples on MalwareBazaar
TLSH 37F4BF62B2E04B37C1A7163D9C0B93A4D82ABE51EF6459462BF71C4F5F3938138361A7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: yahoo.com
Sending IP: 37.49.230.46
From: '' Fabrício''<lglmp@yahoo.com>
Subject: Re:Bank comfirmation.
Attachment: Inv3542.zip (contains "Inv3542.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/45839/
Detection(s):
PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/429495
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Maps a DLL or memory area into another process
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 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
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c5e5b876e4f9963e75d86311ae11ccef749f3d7c77ad038a69e9f338294b0a9c/
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 10:43:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yxs3q5xe7gld45oymmi24eom552j6pl4o6wqhctj5hztqkklbkoa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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ba4979a761ce050060eaa66bd9506fda6a28c30a0ad727e1cbec0a3fed194f9b
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d2008be18698ccf6675fcad98c927c33c2fae86f2a0120393df3e2e7936f5055
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d250e11368c9d3d7d9caa0d17af9580377d07f80bb2df5728e10148901582d08
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d7834fcfcc6566637c03e6d09dfa4f8bd51ed085b6a7fc75b33d458947d2c997
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ee7d22a474155d5a7b3e6fd89bee93170b4da713db4b65ad6252ef6a73636598
AgentTesla
+ 11'248 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200814-fqx16ntkm2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
UPX packed file
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c5e5b876e4f9963e75d86311ae11ccef749f3d7c77ad038a69e9f338294b0a9c

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 11ca76f4fef1d024f1d2a9c5b2d775b1a2fdf2e2dca9a691fe14e4874b0d058e

AgentTesla

Executable exe c5e5b876e4f9963e75d86311ae11ccef749f3d7c77ad038a69e9f338294b0a9c

(this sample)

  
Dropped by
MD5 927f80bda1ebd12583c352867e5307bf
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45839/
  
Dropped by
SHA256 11ca76f4fef1d024f1d2a9c5b2d775b1a2fdf2e2dca9a691fe14e4874b0d058e

Comments