MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e. 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: fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e
SHA3-384 hash: ac4ba725a0425df6f87da958bf7de109a9112e93a70807dc11aea0bf0fbd957ea675ba3573e8c47d67ea0791a91665d4
SHA1 hash: 8f70bc8f9cdd2fec64b761cfefe64936363499ba
MD5 hash: a2087aba68a4adc44d3440e939b68c4e
humanhash: blossom-pluto-lithium-texas
File name:RFQ ORDER 002267.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'150'464 bytes
First seen:2020-08-04 11:15:51 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 24576:R65c8H2GBuJVJZbxuPxO8XMwhWCfBBQXtGr:Wc8Xu1Zd+xpHh3froGr
Threatray 11'314 similar samples on MalwareBazaar
TLSH 83358DC2F140C950C95A4E36CD67DA9443737D66FF4797163088BA2B38E32D3AE266C6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cloud-1bdf0b.managed-vps.net
Sending IP: 78.128.43.156
From: info@brtglobalscrap.com
Subject: RFQ ORDER 002267
Attachment: RFQ ORDER 002267.IMG (contains "RFQ ORDER 002267.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/38561/
Detection(s):
SecuriteInfo.com.Generic.mg.a2087aba68a4adc4.18082.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/409314
Signature
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
Installs a global keyboard hook
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: Capture Wi-Fi password
Sigma detected: Scheduled temp file as task from temp location
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 harvest and steal WLAN passwords
Tries to steal Mail credentials (via file access)
Uses netsh to modify the Windows network and firewall settings
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: 257171 Sample: RFQ ORDER 002267.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 67 Found malware configuration 2->67 69 Sigma detected: Capture Wi-Fi password 2->69 71 Sigma detected: Scheduled temp file as task from temp location 2->71 73 11 other signatures 2->73 8 RFQ ORDER 002267.exe 7 2->8         started        12 uEtmoKl.exe 4 2->12         started        14 uEtmoKl.exe 5 2->14         started        process3 file4 49 C:\Users\user\AppData\...\fwrpqIHAZF.exe, PE32 8->49 dropped 51 C:\Users\...\fwrpqIHAZF.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\user\AppData\Local\...\tmpE63D.tmp, XML 8->53 dropped 55 C:\Users\user\...\RFQ ORDER 002267.exe.log, ASCII 8->55 dropped 93 Injects a PE file into a foreign processes 8->93 16 RFQ ORDER 002267.exe 2 7 8->16         started        21 schtasks.exe 1 8->21         started        23 uEtmoKl.exe 12->23         started        25 schtasks.exe 12->25         started        95 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 14->95 97 Machine Learning detection for dropped file 14->97 99 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 14->99 27 schtasks.exe 1 14->27         started        29 uEtmoKl.exe 4 14->29         started        signatures5 process6 dnsIp7 57 smtp.studlandstol.com 16->57 59 us2.smtp.mailhostbox.com 208.91.199.223, 49701, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->59 45 C:\Users\user\AppData\Roaming\...\uEtmoKl.exe, PE32 16->45 dropped 47 C:\Users\user\...\uEtmoKl.exe:Zone.Identifier, ASCII 16->47 dropped 75 Tries to harvest and steal WLAN passwords 16->75 77 Hides that the sample has been downloaded from the Internet (zone.identifier) 16->77 79 Installs a global keyboard hook 16->79 31 netsh.exe 3 16->31         started        81 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->81 83 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->83 33 netsh.exe 21->33         started        35 conhost.exe 21->35         started        61 smtp.studlandstol.com 23->61 63 208.91.199.225, 49702, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->63 65 192.168.2.1 unknown unknown 23->65 85 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->85 87 Tries to steal Mail credentials (via file access) 23->87 89 Tries to harvest and steal ftp login credentials 23->89 91 Tries to harvest and steal browser information (history, passwords, etc) 23->91 37 conhost.exe 25->37         started        39 conhost.exe 27->39         started        file8 signatures9 process10 process11 41 conhost.exe 31->41         started        43 conhost.exe 33->43         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 11:17:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7tnyynyvil6caqvqfbc7qclax5xwzws44z5c6tk2avibugjhrb7a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 11'304 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware persistence trojan family:agenttesla
Link:
https://tria.ge/reports/200804-6dzepw7lz2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Modifies service
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/fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e

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

img ba78dbd2abde62c5bd8fe1c36ec8653654f1a5a8a09e0a2296de8a13031c1efc

AgentTesla

Executable exe fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e

(this sample)

  
Dropped by
MD5 69c075348cf0e276e4e9f24651ce5be4
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38561/
  
Dropped by
SHA256 ba78dbd2abde62c5bd8fe1c36ec8653654f1a5a8a09e0a2296de8a13031c1efc

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