MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0e6043127c164a93905b6baa2ec2ee5fc0691ca1df15db962cc0d55c5b35151. 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: b0e6043127c164a93905b6baa2ec2ee5fc0691ca1df15db962cc0d55c5b35151
SHA3-384 hash: 3e6fed74818751c615848a09222ac9414afbee061074b6b799502c7ba774d17c62fb3e7ba1140ea1b218ef3059b88a50
SHA1 hash: 037ac0749744cdeacdf3ad7981334595b77f1ea0
MD5 hash: 09418471ea0ff1ee0afd59de95f7bb56
humanhash: fix-quebec-oven-magnesium
File name:Order CIE-31-08-2020 (Enq 63-29-2 ABC)_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:902'144 bytes
First seen:2020-08-31 09:22:24 UTC
Last seen:2020-08-31 10:09:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 6144:CZYZWBXFXfMrKme8w2TvXxr+uB2cNBxEac+ycwjza9/TKbK7Tdp6CbtfD2w1w:1xYgkuB2cNBxEajAza937Zcetf
Threatray 227 similar samples on MalwareBazaar
TLSH 4C15F73D3A41A809E53E8A7180945AC37B7096467B45CB2FB5CF478DAF02B8F3B1519E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: irc201.pouyasazan.org
Sending IP: 92.114.19.4
From: Jeremy Donovan-SALES 01 <sales01@mrocompparts.com>
Reply-To: Jeremy Donovan-SALES 01 <soomla6384@yahoo.com>
Subject: RE: PURCHASE ORDER CIE-31-08-2020
Attachment: Order CIE-31-08-2020 Enq 63-29-2 ABC_pdf.7z (contains "Order CIE-31-08-2020 (Enq 63-29-2 ABC)_pdf.exe")

AgentTesla SMTP exfil server:
mail.specialmetal.ir:587

AgentTesla SMTP exfil email address:
info@specialmetal.ir

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/53352/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.12466.7437.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
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/455122
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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
behaviorgraph top1 signatures2 2 Behavior Graph ID: 279940 Sample: Order CIE-31-08-2020 (Enq 6... Startdate: 31/08/2020 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 6 other signatures 2->45 6 Order CIE-31-08-2020 (Enq 63-29-2 ABC)_pdf.exe 3 2->6         started        10 WEqfDb.exe 3 2->10         started        12 WEqfDb.exe 2 2->12         started        process3 file4 21 Order CIE-31-08-20...-2 ABC)_pdf.exe.log, ASCII 6->21 dropped 47 Injects a PE file into a foreign processes 6->47 14 Order CIE-31-08-2020 (Enq 63-29-2 ABC)_pdf.exe 2 5 6->14         started        49 Multi AV Scanner detection for dropped file 10->49 51 Machine Learning detection for dropped file 10->51 19 WEqfDb.exe 12->19         started        signatures5 process6 dnsIp7 27 specialmetal.ir 5.144.130.34, 49731, 587 HOSTIRAN-NETWORKIR Iran (ISLAMIC Republic Of) 14->27 29 mail.specialmetal.ir 14->29 23 C:\Users\user\AppData\Roaming\...\WEqfDb.exe, PE32 14->23 dropped 25 C:\Users\user\...\WEqfDb.exe:Zone.Identifier, ASCII 14->25 dropped 31 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->31 33 Tries to steal Mail credentials (via file access) 14->33 35 Tries to harvest and steal ftp login credentials 14->35 37 2 other signatures 14->37 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b0e6043127c164a93905b6baa2ec2ee5fc0691ca1df15db962cc0d55c5b35151/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-31 03:26:17 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wdtaimjhyfsksoifw25kf3bo4x6aneokdxyv3olczqgvlrntkfiq._file
Verdict:
unknown
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a38183a018971679f3c0e622e0f8f07b6dbfbe36de7b36b190769f8c79b625a6
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bf0d1bf23351a82eddca116c85801b4d1bbe328933e729c735226f9563432544
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bf7bdc6825c2f863095795d10195f76265c5a062850ebc4b40ff0a51f62365e8
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d91d577a0f28f94af5a4e492a55ca10645d51d01b9131cf39be8d0fae97b9dcb
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e639997f6ee7e96b1356622bc3f5449e8ce3aeb46100e775875cc41cc891d587
AgentTesla
+ 217 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200831-dhz8nhwrra/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/b0e6043127c164a93905b6baa2ec2ee5fc0691ca1df15db962cc0d55c5b35151

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

7z cae3b132d935fe086c96ccd2c15780f02a0f96acfaee9923a7beeba6b839b74d

AgentTesla

Executable exe b0e6043127c164a93905b6baa2ec2ee5fc0691ca1df15db962cc0d55c5b35151

(this sample)

  
Dropped by
MD5 3378652ee86b6591ad2e5bec36af1f38
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/53352/
  
Dropped by
SHA256 cae3b132d935fe086c96ccd2c15780f02a0f96acfaee9923a7beeba6b839b74d

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