MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 040fa26c493247a25994bdc13ac8797ea8343f8087fa8c08ca2743f15f9e9c0e. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 040fa26c493247a25994bdc13ac8797ea8343f8087fa8c08ca2743f15f9e9c0e
SHA3-384 hash: c774a795af43ee9584b7f51a179aaf95fd10e443e3ada0b52b61ff1353de5c22e178c7dd073a43aa021814f39c7d2a6a
SHA1 hash: c8c3ffb972eabaad36e2bae05f5ed8c369e4760a
MD5 hash: 8d409587b9070cf3b602d6bfe6e06e67
humanhash: hawaii-fillet-ten-aspen
File name:Contractref2020.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:470'528 bytes
First seen:2020-06-19 06:54:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:XCpLFW/gzUNxDp9CyN8g4YmapJLAe9Al3iZ:EU/006U8g4Y7pKe9Al
Threatray 10'781 similar samples on MalwareBazaar
TLSH 21A4020232C89716D2B45B7A81F7651063B8BE9B3873E71DAFC4329D2C22BD3551236B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp.barbadostoday.bb
Sending IP: 77.48.43.64
From: Barbados Today Marketplace <marketplace@barbadostoday.bb>
Reply-To: Env.Nostrum-
Subject: Contract/ref2020/00037
Attachment: Contractref2020.rar (contains "Contractref2020.exe")

AgentTesla SMTP exfil server:
webmail.pat.ps:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/9492/
Detection(s):
SecuriteInfo.com.Generic.mg.c1dd65dc9d8d1861.9824.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-06-19 06:56:05 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=aqh2e3cjgjd2ewmuxxatvsdzp2udip4aq75iycgke5b7cx46tqha._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'771 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware persistence keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200624-mjwt86m23s/
Behaviour
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Modifies service
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
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

rar d57299499e7243ca395b5545163b78278355f5e4530fb31a943a09084f7e009e

AgentTesla

Executable exe 040fa26c493247a25994bdc13ac8797ea8343f8087fa8c08ca2743f15f9e9c0e

(this sample)

  
Dropped by
MD5 5dff5b2df05012b7b26a466bd7db430c
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 d57299499e7243ca395b5545163b78278355f5e4530fb31a943a09084f7e009e
Cape
Cape
https://www.capesandbox.com/analysis/9492/

Comments