MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 238782507ba86647fe77803e2994307f580dab549157e4f15e539d5514594ec5. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 238782507ba86647fe77803e2994307f580dab549157e4f15e539d5514594ec5
SHA3-384 hash: cd74e6d242dba9fe848fbfb3046b6a56c2a9130354daeb2543c44868de0f9e8aa7048ef91ad830c66c8f34a321aee1b8
SHA1 hash: de65ff636168b2d4d6c3a436ed86a900f0af2425
MD5 hash: 810197fd9b0ed31a8e467df3b7d5f641
humanhash: mars-sierra-lima-alaska
File name:Specification.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:463'872 bytes
First seen:2020-07-20 08:56:58 UTC
Last seen:Never
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:aG2iN5spv2DdD7C+tpaRnX5nKKJZMynOnHXWtc+v:r1vsCdVtQzlfOGc+v
Threatray 10'661 similar samples on MalwareBazaar
TLSH 80A4018121785718E5795FF12CBC02C1C7BA3D0BAA61FD090D89FEDD99F67488481BA7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: "Md. Babul Hossain Gazi" <b.hossain863@gmail.com>
Reply-To: a.rehman@revo-moto.com
Subject: RFQ PO #4071
Attachment: Specification.zip (contains "Specification.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/28840/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/391131
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 247915 Sample: Specification.exe Startdate: 20/07/2020 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Multi AV Scanner detection for dropped file 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 4 other signatures 2->68 7 Specification.exe 7 2->7         started        11 ZBmeHM.exe 5 2->11         started        13 ZBmeHM.exe 4 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\JLvhojT.exe, PE32 7->44 dropped 46 C:\Users\user\AppData\Local\...\tmp38C1.tmp, XML 7->46 dropped 48 C:\Users\user\...\Specification.exe.log, ASCII 7->48 dropped 70 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->70 72 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->72 74 Injects a PE file into a foreign processes 7->74 15 Specification.exe 2 13 7->15         started        20 schtasks.exe 1 7->20         started        76 Multi AV Scanner detection for dropped file 11->76 22 ZBmeHM.exe 11->22         started        24 schtasks.exe 1 11->24         started        26 schtasks.exe 13->26         started        28 ZBmeHM.exe 13->28         started        signatures5 process6 dnsIp7 50 smtp.mail.com 74.208.5.15, 49721, 49722, 49725 ONEANDONE-ASBrauerstrasse48DE United States 15->50 40 C:\Users\user\AppData\Local\...\ZBmeHM.exe, PE32 15->40 dropped 42 C:\Users\user\...\ZBmeHM.exe:Zone.Identifier, ASCII 15->42 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->52 30 WerFault.exe 15->30         started        32 conhost.exe 20->32         started        54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->54 56 Tries to steal Mail credentials (via file access) 22->56 58 Tries to harvest and steal ftp login credentials 22->58 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 34 WerFault.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/238782507ba86647fe77803e2994307f580dab549157e4f15e539d5514594ec5/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-20 03:13:25 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=eodyeud3vbtep7txqa7ctfbqp5ma3k2usfl6j4k6koovkfczj3cq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'651 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200720-ch2dh11x6s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/238782507ba86647fe77803e2994307f580dab549157e4f15e539d5514594ec5

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_g2
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>
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 1cc7e04b4dda5e4c436f9f13dfb7266d9f61b72cb690e2413236aadaab7899bd

AgentTesla

Executable exe 238782507ba86647fe77803e2994307f580dab549157e4f15e539d5514594ec5

(this sample)

  
Dropped by
MD5 b4b953b5494dae0b4bc4bddf2dca635b
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/28840/
  
Dropped by
SHA256 1cc7e04b4dda5e4c436f9f13dfb7266d9f61b72cb690e2413236aadaab7899bd

Comments