MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e9939c063f5c1cbbaa6401386a2f59c8e4f2d5d4fbb73f73f8b7182d7111c234. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e9939c063f5c1cbbaa6401386a2f59c8e4f2d5d4fbb73f73f8b7182d7111c234
SHA3-384 hash: d86a449443bab22d3cf4fef6017aec87cfbab63af1ef661f572dfdc7cec7f0ce1f0758049c6f739f3abf65514849e15e
SHA1 hash: b3b02ca652dc4f827e260dc7a033d833c2e3c290
MD5 hash: 98f63767907ab96979b0158485696ce8
humanhash: ceiling-cat-blossom-vermont
File name:RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:801'792 bytes
First seen:2020-08-10 11:44:06 UTC
Last seen:2020-08-10 13:14:37 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:eOfs7h7OBW2DxLf4aEZekDD91r4rjD+PrITlq6po9mFEZLx:8aBRDxj1+wjcMBq1mFEL
Threatray 11'443 similar samples on MalwareBazaar
TLSH A7058D1CAC6D8C10CF151777C649A81D5268AC027BF2D9EF7B8B321B43797E2A6701AD
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: de.uitn.com
Sending IP: 144.76.245.34
From: ELGADI MOHAMED <oa05438@mellitahog.ly>
Reply-To: Mohamed shaban <soomla6384@yahoo.com>
Subject: RFQ ICT-200068-MKE
Attachment: RFQ ICT-200068-MKE-AL ESTISHARI_pdf.rar (contains "RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe")

AgentTesla FTP exfil server:
ftp.metfah.com:21

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/42745/
Detection(s):
SecuriteInfo.com.Generic.mg.98f63767907ab969.2381.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a process with a hidden window
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/416838
Signature
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
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: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 260831 Sample: RFQ ICT-200068-MKE-AL ESTIS... Startdate: 10/08/2020 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Sigma detected: Scheduled temp file as task from temp location 2->66 68 Yara detected AgentTesla 2->68 70 8 other signatures 2->70 7 WEqfDb.exe 5 2->7         started        10 RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe 7 2->10         started        13 WEqfDb.exe 4 2->13         started        process3 file4 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->72 74 Machine Learning detection for dropped file 7->74 76 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->76 15 WEqfDb.exe 7->15         started        19 schtasks.exe 7->19         started        40 C:\Users\user\AppData\Roaming\OvudKyqKh.exe, PE32 10->40 dropped 42 C:\Users\...\OvudKyqKh.exe:Zone.Identifier, ASCII 10->42 dropped 44 C:\Users\user\AppData\Local\...\tmp60E2.tmp, XML 10->44 dropped 46 RFQ ICT-200068-MKE...TISHARI_pdf.exe.log, ASCII 10->46 dropped 78 Injects a PE file into a foreign processes 10->78 21 RFQ ICT-200068-MKE-AL ESTISHARI_pdf.exe 17 5 10->21         started        24 schtasks.exe 1 10->24         started        26 schtasks.exe 13->26         started        28 WEqfDb.exe 13->28         started        signatures5 process6 dnsIp7 48 ftp.metfah.com 15->48 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->54 56 Tries to steal Mail credentials (via file access) 15->56 58 Tries to harvest and steal ftp login credentials 15->58 60 Tries to harvest and steal browser information (history, passwords, etc) 15->60 30 conhost.exe 19->30         started        50 metfah.com 199.188.200.253, 12044, 12060, 21 NAMECHEAP-NETUS United States 21->50 52 ftp.metfah.com 21->52 36 C:\Users\user\AppData\Roaming\...\WEqfDb.exe, PE32 21->36 dropped 38 C:\Users\user\...\WEqfDb.exe:Zone.Identifier, ASCII 21->38 dropped 62 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->62 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e9939c063f5c1cbbaa6401386a2f59c8e4f2d5d4fbb73f73f8b7182d7111c234/
Threat name:
ByteCode-MSIL.Trojan.NanoBot
Create hunting rule
Status:
Malicious
First seen:
2020-08-10 11:46:07 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5gjzybr7lqolxkteae4gul2zzdspfvou7o3t647yw4mc24iryi2a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'433 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200810-7j3w8srfj6/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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/e9939c063f5c1cbbaa6401386a2f59c8e4f2d5d4fbb73f73f8b7182d7111c234

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 18ca1aa5cc2abfd7f812d5a9c4739c87ecc25b7fc9470401b728343e1874ca02

AgentTesla

Executable exe e9939c063f5c1cbbaa6401386a2f59c8e4f2d5d4fbb73f73f8b7182d7111c234

(this sample)

  
Dropped by
MD5 44274eefd6985a173ed985012cc742d1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/42745/
  
Dropped by
SHA256 18ca1aa5cc2abfd7f812d5a9c4739c87ecc25b7fc9470401b728343e1874ca02

Comments