MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1f0ba6302099b8f7ef1ce28a333764efdd308cccc761ba4fcef2af386f13090. 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: c1f0ba6302099b8f7ef1ce28a333764efdd308cccc761ba4fcef2af386f13090
SHA3-384 hash: 484d7bdf0775677818499e7ca7c517f686b002952e3181d9a0795dadae7905314986052dfe70113d7345b754a4070d89
SHA1 hash: 6b1fcc55aa403667f4d5d1d41d723d5eb2df1499
MD5 hash: 274581e0976230723e0bf96c6271772c
humanhash: winter-september-violet-butter
File name:PO2362542.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:868'864 bytes
First seen:2020-08-04 06:40:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:kAHnh+eWsN3skA4RV1Hom2KXMmHaWkC5:zh+ZkldoPK8YaW9
Threatray 771 similar samples on MalwareBazaar
TLSH 6A058B0273D1C036FFABA2739B6AF64156BC79254133852F13981DB9BD701B2263E663
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.glogerk.com
Sending IP: 104.168.236.67
From: Sam Karow <samuel@glx.sk>
Subject: Revised - PO QTY
Attachment: PO2362542.7z (contains "PO2362542.exe")

AgentTesla payload URLs:
https://paste.ee/r/8gpNi
https://paste.ee/r/mKywk

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38195/
Detection(s):
PUA.Win.Downloader.Aiis-6803892-0
Create hunting rule

SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Sending a UDP request
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408659
Signature
Binary is likely a compiled AutoIt script file
Bypasses PowerShell execution policy
Connects to a pastebin service (likely for C&C)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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: MSBuild connects to smtp port
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: 256566 Sample: PO2362542.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Yara detected AgentTesla 2->43 45 Sigma detected: MSBuild connects to smtp port 2->45 47 3 other signatures 2->47 9 PO2362542.exe 2->9         started        11 ZBmeHM.exe 2 2->11         started        13 ZBmeHM.exe 2->13         started        process3 process4 15 powershell.exe 9 9->15         started        17 conhost.exe 11->17         started        19 conhost.exe 13->19         started        process5 21 powershell.exe 15 16 15->21         started        24 conhost.exe 15->24         started        dnsIp6 35 paste.ee 172.67.219.133, 443, 49737 CLOUDFLARENETUS United States 21->35 26 MSBuild.exe 2 4 21->26         started        process7 dnsIp8 37 smtp.gmail.com 74.125.71.108, 49748, 587 GOOGLEUS United States 26->37 39 192.168.2.1 unknown unknown 26->39 33 C:\Users\user\AppData\Local\...\ZBmeHM.exe, PE32 26->33 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 26->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 26->51 53 Tries to steal Mail credentials (via file access) 26->53 55 4 other signatures 26->55 31 WerFault.exe 26->31         started        file9 signatures10 process11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c1f0ba6302099b8f7ef1ce28a333764efdd308cccc761ba4fcef2af386f13090/
Threat name:
Win32.Trojan.Povertel
Create hunting rule
Status:
Malicious
First seen:
2020-08-03 17:07:25 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yhyluyycbgny67xrzyukgm3wj365gcgmzr3bxjh454vphbxrgcia._file
Verdict:
unknown
Similar samples:
06d6ece1fa6b728d5b5f538d740a60626e99cbbe6df5bd5a5c3f2a8923b0fd98
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15d88e59e80b15ed7b24ffd1a496ff718b76a6a7d06cc2be0d1f91e460871c12
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1cc899a5fc4a3e7fe1c9d1265b60a4faf51bc1df3e4b25c088979755410fa954
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1e2fbd7c74b38c43c9ef42fa5d48b8ad50122d2be85ff927de0080d331cb9369
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3fb510b7526dc753632045edaf094073c45f74fefdc08b5c2fbb9f8e7ac483c4
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6083d7084795ed9d60be324c610dbfab644a3e25c982755a93071e23db11198a
AgentTesla
793f375be5ed01b66b47d24ca49594af11ddcd125f3fb41ca77cae45632eba52
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7cdf1294eb40f2a207f55cbb1a68761135500f64bb077a7f4ba9a7d3098850f1
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c0e957bd685417a90c9a53b926e2492a627b247357648d2a3857c6ce61630e20
AgentTesla
f13513c8b2e9f663d86a33c0d86179aa25ae600b1fac25b79b7767b99be9b177
AgentTesla
+ 761 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://tria.ge/reports/200804-wzzteq2gsj/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
ServiceHost packer
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/c1f0ba6302099b8f7ef1ce28a333764efdd308cccc761ba4fcef2af386f13090

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 0d31921b4742a6a40b17d509ee2f5d47b61c2a2e1e7d2c82bc0c6922382e2eb4

AgentTesla

Executable exe c1f0ba6302099b8f7ef1ce28a333764efdd308cccc761ba4fcef2af386f13090

(this sample)

  
Dropped by
MD5 01ed86dadf79818a639e87881ee3bb30
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0d31921b4742a6a40b17d509ee2f5d47b61c2a2e1e7d2c82bc0c6922382e2eb4
Cape
Cape
https://www.capesandbox.com/analysis/38195/

Comments