MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6783eae69893388f7895a9787ed3c8b429e730d45e8aa3cc1e60aa45f0664bc2. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6783eae69893388f7895a9787ed3c8b429e730d45e8aa3cc1e60aa45f0664bc2
SHA3-384 hash: 4132303d6009d09cf6ae89610d83ffa7e8eb792169a6d0d3a3e2e792cbab74d4ed745076859a82c4c35a0c1df1718b03
SHA1 hash: 8d838ca063374f6c321e14ed8201b53258b59e31
MD5 hash: de08c2c9360a0034bebf57fcc079f598
humanhash: glucose-victor-monkey-missouri
File name:Swift.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'811'968 bytes
First seen:2020-07-16 07:55:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:5s98bl3eHM2knEuEnlo1YIjw5OYuGjDKdoD:5JlQ+xEi1rwuGj2O
Threatray 10'630 similar samples on MalwareBazaar
TLSH D485193A79C28914C5AD0A3584E999C2B3B5B6873B52CB1F74C703895E037EFBB0615E
Reporter abuse_ch
Tags:AgentTesla exe geo isbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ileti.isbank.com.tr
Sending IP: 45.138.172.58
From: Turkiye Is Bankasi Dosya Transferi <dosyatransferi@ileti.isbank.com.tr>
Reply-To: Turkiye Is Bankasi Dosya Transferi <dosyatransferi@ileti.isbank.com.tr>
Subject: Swift Mesajı
Attachment: Swift.r00 (contains "Swift.exe")

AgentTesla SMTP exfil server:
mail.ashpraskills.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/26480/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Running batch commands
Launching a process
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla MassLogger RAT
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/389415
Signature
.NET source code contains very large array initializations
Antivirus detection for dropped file
Creates an autostart registry key pointing to binary in C:\Windows
Creates executable files without a name
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
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 MassLogger RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 246890 Sample: Swift.exe Startdate: 19/07/2020 Architecture: WINDOWS Score: 100 52 Found malware configuration 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected MassLogger RAT 2->56 58 3 other signatures 2->58 7 Swift.exe 7 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 30 C:\Users\user\Desktop\wiseman.exe, PE32 7->30 dropped 32 C:\Users\user\Desktop\.exe, PE32 7->32 dropped 34 C:\Users\user\Desktop\.exe:Zone.Identifier, ASCII 7->34 dropped 36 2 other files (1 malicious) 7->36 dropped 60 Creates executable files without a name 7->60 15 wiseman.exe 4 7->15         started        19 cmd.exe 1 7->19         started        21 .exe 7->21         started        23 .exe 1 11->23         started        signatures5 process6 dnsIp7 38 ashpraskills.com 103.53.43.45, 49715, 587 PUBLIC-DOMAIN-REGISTRYUS India 15->38 40 mail.ashpraskills.com 15->40 42 Antivirus detection for dropped file 15->42 44 Multi AV Scanner detection for dropped file 15->44 46 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->46 50 6 other signatures 15->50 25 reg.exe 1 1 19->25         started        28 conhost.exe 19->28         started        48 Machine Learning detection for dropped file 23->48 signatures8 process9 signatures10 62 Creates an autostart registry key pointing to binary in C:\Windows 25->62
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6783eae69893388f7895a9787ed3c8b429e730d45e8aa3cc1e60aa45f0664bc2/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-16 07:57:08 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=m6b6vzuysm4i66evvf4h5u6iwqu6omgul2fkhta6mcvel4dgjpba._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'620 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200716-h81vqya74s/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Adds Run key to start application
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:masslogger_gcch
Create hunting rule
Author:govcert_ch

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

r00 a8a5d56d0c782dbc835dad8664afbcb3292a9ed04ab873b9e5f804b495108e18

AgentTesla

Executable exe 6783eae69893388f7895a9787ed3c8b429e730d45e8aa3cc1e60aa45f0664bc2

(this sample)

  
Dropped by
MD5 73fca7a2321c77e4e28e917c6100ccea
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/26480/
  
Dropped by
SHA256 a8a5d56d0c782dbc835dad8664afbcb3292a9ed04ab873b9e5f804b495108e18

Comments