MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 270f03b20754cf26fb20202bb406bb4ecec144718a0850b7e926d0f25d705829. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 270f03b20754cf26fb20202bb406bb4ecec144718a0850b7e926d0f25d705829
SHA3-384 hash: 154fad4c170d308c42649a7d71ec6206455a50305bc4c044ffc9c44254bff87453300fdc24a17f2d0edab8deb82e9f40
SHA1 hash: 97ade3db36211708bbd9127614890d27f9d2f455
MD5 hash: 524cf523b9c117f02575603dba5d4e50
humanhash: cat-nebraska-hotel-pluto
File name:AWB & Invoice.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:479'232 bytes
First seen:2020-08-14 08:30:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:Hz0IrrYrju9XOymctkxfyCrSr9EEqprHcnc82VKhDp0UBi7nvlgLVA6pcSHWFvLB:Hz05MXOzuKEqWX2007v8BcSHWVLB
Threatray 10'614 similar samples on MalwareBazaar
TLSH 9CA4E07E42F0D418C07BF17E9259619BB2EBAD4F04A5C716699C0CD80E356EA46A3CFC
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: coscon.com
Sending IP: 95.211.208.58
From: Yang Zhijian <cs_heaq@coscon.com>
Reply-To: y.ang_zhijian@coscon.com
Subject: COSCO SHIPPING LINES CO.,LTD
Attachment: AWB Invoice.rar (contains "AWB & Invoice.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
64
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45632/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
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/428992
Signature
Binary contains a suspicious time stamp
Executable has a suspicious name (potential lure to open the executable)
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
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
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
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 266986 Sample: AWB & Invoice.exe Startdate: 15/08/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Sigma detected: Capture Wi-Fi password 2->41 43 Yara detected AgentTesla 2->43 45 7 other signatures 2->45 8 AWB & Invoice.exe 3 2->8         started        12 LKUgjc.exe 2 2->12         started        14 LKUgjc.exe 1 2->14         started        process3 file4 33 C:\Users\user\...\AWB & Invoice.exe.log, ASCII 8->33 dropped 59 Writes to foreign memory regions 8->59 61 Injects a PE file into a foreign processes 8->61 16 RegSvcs.exe 2 4 8->16         started        21 RegSvcs.exe 8->21         started        23 conhost.exe 12->23         started        25 conhost.exe 14->25         started        signatures5 process6 dnsIp7 35 smtp.yandex.ru 77.88.21.158, 49744, 587 YANDEXRU Russian Federation 16->35 37 smtp.yandex.com 16->37 31 C:\Users\user\AppData\Roaming\...\LKUgjc.exe, PE32 16->31 dropped 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->47 49 Tries to steal Mail credentials (via file access) 16->49 51 Tries to harvest and steal ftp login credentials 16->51 57 3 other signatures 16->57 27 netsh.exe 3 16->27         started        53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->53 55 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->55 file8 signatures9 process10 process11 29 conhost.exe 27->29         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/270f03b20754cf26fb20202bb406bb4ecec144718a0850b7e926d0f25d705829/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-14 02:32:25 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=e4hqhmqhkthsn6zaeav3ibv3j3hmcrdrriefbn7je3ipexlqlauq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'604 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence trojan spyware family:agenttesla
Link:
https://tria.ge/reports/200814-ectnq1hqxs/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
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/270f03b20754cf26fb20202bb406bb4ecec144718a0850b7e926d0f25d705829

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 d502db5394201ce5f4220e59840636c83c4633577d7606d202d790427b0e5a9f

AgentTesla

Executable exe 270f03b20754cf26fb20202bb406bb4ecec144718a0850b7e926d0f25d705829

(this sample)

  
Dropped by
MD5 1e142e59d87008f761fb8c39efa99c9e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45632/
  
Dropped by
SHA256 d502db5394201ce5f4220e59840636c83c4633577d7606d202d790427b0e5a9f

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