MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ba4bab9ee682598fdfb031a1fa88105eaa1ff29a3d7c3e053a2c69e6b496660. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ba4bab9ee682598fdfb031a1fa88105eaa1ff29a3d7c3e053a2c69e6b496660
SHA3-384 hash: 3823c93954ba743ce84fa7c5496cce7ada41dc8ec2a42416cbb209555f52a878fbb8be7640d9ebd839b493c57f9c9d85
SHA1 hash: c7593890f36e76d73a1916f94479ae0a8a0aecb4
MD5 hash: 018f2ebe2fe04ef64699cdc10d9ef382
humanhash: uniform-connecticut-skylark-mississippi
File name:9jxMRauSjg3F0JX.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:646'144 bytes
First seen:2020-08-13 06:50:42 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:pbwghNZjF+j4VBY9Mwy2o/OBINgVJLxoBhjXwYkEn4/ts7gFLo:pnpjIYwMwyayylghHv1U
Threatray 10'522 similar samples on MalwareBazaar
TLSH 66D4E07033EA5A92D36D0EB5152340806B7A391BFF69D74E2D8931DC183ABB63241F5B
Reporter abuse_ch
Tags:AgentTesla exe Yahoo


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: sonic312-25.consmr.mail.gq1.yahoo.com
Sending IP: 98.137.69.206
From: Tony Johnson <ranohl71@yahoo.com>
Reply-To: Tony Johnson <tonyjohnsone1@gmail.com>
Subject: purchase order
Attachment: Purchase Order.rar (contains "9jxMRauSjg3F0JX.exe")

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

AgentTesla SMTP exfil email address:
huverteamup@annlap.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/44892/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/425261
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
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)
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)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265184 Sample: 9jxMRauSjg3F0JX.exe Startdate: 14/08/2020 Architecture: WINDOWS Score: 100 55 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->55 57 Found malware configuration 2->57 59 Yara detected AgentTesla 2->59 61 3 other signatures 2->61 6 9jxMRauSjg3F0JX.exe 3 2->6         started        10 newapp.exe 2 2->10         started        12 newapp.exe 3 2->12         started        process3 file4 27 C:\Users\user\...\9jxMRauSjg3F0JX.exe.log, ASCII 6->27 dropped 63 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->63 65 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->65 67 Injects a PE file into a foreign processes 6->67 14 9jxMRauSjg3F0JX.exe 2 5 6->14         started        19 9jxMRauSjg3F0JX.exe 6->19         started        21 9jxMRauSjg3F0JX.exe 6->21         started        23 newapp.exe 2 10->23         started        69 Machine Learning detection for dropped file 12->69 25 newapp.exe 2 12->25         started        signatures5 process6 dnsIp7 33 smtp.annlap.com 14->33 35 us2.smtp.mailhostbox.com 208.91.199.223, 49716, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->35 37 192.168.2.1 unknown unknown 14->37 29 C:\Users\user\AppData\Roaming\...\newapp.exe, PE32 14->29 dropped 31 C:\Users\user\...\newapp.exe:Zone.Identifier, ASCII 14->31 dropped 43 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->43 45 Installs a global keyboard hook 14->45 39 208.91.198.143, 49717, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->39 41 smtp.annlap.com 23->41 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->47 49 Tries to steal Mail credentials (via file access) 23->49 51 Tries to harvest and steal ftp login credentials 23->51 53 Tries to harvest and steal browser information (history, passwords, etc) 23->53 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7ba4bab9ee682598fdfb031a1fa88105eaa1ff29a3d7c3e053a2c69e6b496660/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 06:52:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=poslvoponaszr7p3amnb7kebaxvkd7zjupl4hyctuldj422jmzqa._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'512 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200813-zxgwdhr5fx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
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:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7ba4bab9ee682598fdfb031a1fa88105eaa1ff29a3d7c3e053a2c69e6b496660

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 d535734e8144b6188cae79b31f8238f624fae231bbc74e7f880b058f83f0c342

AgentTesla

Executable exe 7ba4bab9ee682598fdfb031a1fa88105eaa1ff29a3d7c3e053a2c69e6b496660

(this sample)

  
Dropped by
MD5 a6c93a481fd8a3d61ac309bc6c9f3aab
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/44892/
  
Dropped by
SHA256 d535734e8144b6188cae79b31f8238f624fae231bbc74e7f880b058f83f0c342

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