MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dbf694fcd9a32d44e248d929d8e76c8c2e64645f591f604be81f4fe46fde7945. 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: dbf694fcd9a32d44e248d929d8e76c8c2e64645f591f604be81f4fe46fde7945
SHA3-384 hash: d63e9a2d064dc95a7c6a6d13d56712a38d6e42850b07f0e429479cde5e3cacd83860d6f1c6154dc988090d6b6dcc6164
SHA1 hash: da0d6d1050134e74e291bfd4f95069af2d661e2b
MD5 hash: 609427cc5598d5183654e09fc7312067
humanhash: green-maryland-burger-speaker
File name:Bank Report.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:636'928 bytes
First seen:2020-08-30 08:59:50 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 12288:GGwD4f6wIMIFVltZfLKes3/b9TvkFQ9Yjr1IlCS+/39NoQaUa02W8otr1JVVgNDB:GGw/wFeVDZTKB3/b9bkkYjr1ohsNo3UK
Threatray 10'644 similar samples on MalwareBazaar
TLSH 51D4D09C365872DFC897C976C9687C64EA6034BB531FD243A01312ACA94EA9BCF145F3
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: server.thebricspost.com
Sending IP: 64.15.138.14
From: ACCOUNT DEPARTMENT <hassannabaa@jamaltradingco.com>
Subject: Re: Distributing Inquiry(Top Urgent)
Attachment: Bank Report.pdf.r09 (contains "Bank Report.pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
110
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/53094/
Detection(s):
SecuriteInfo.com.W32.Trojan-7.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
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
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/454566
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts file
Multi AV Scanner detection for dropped 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)
Sigma detected: Scheduled temp file as task from temp location
Sigma detected: Suspicious Double Extension
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 an obfuscated file name to hide its real file extension (double extension)
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: 279655 Sample: Bank Report.pdf.exe Startdate: 30/08/2020 Architecture: WINDOWS Score: 100 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Found malware configuration 2->71 73 Antivirus detection for dropped file 2->73 75 14 other signatures 2->75 8 goICPG.exe 5 2->8         started        11 Bank Report.pdf.exe 7 2->11         started        14 goICPG.exe 4 2->14         started        process3 file4 89 Antivirus detection for dropped file 8->89 91 Multi AV Scanner detection for dropped file 8->91 93 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->93 97 2 other signatures 8->97 16 goICPG.exe 8->16         started        21 schtasks.exe 8->21         started        53 C:\Users\user\AppData\...\gQkRtAzeAt.exe, PE32 11->53 dropped 55 C:\Users\...\gQkRtAzeAt.exe:Zone.Identifier, ASCII 11->55 dropped 57 C:\Users\user\AppData\Local\...\tmp252A.tmp, XML 11->57 dropped 59 C:\Users\user\...\Bank Report.pdf.exe.log, ASCII 11->59 dropped 95 Injects a PE file into a foreign processes 11->95 23 Bank Report.pdf.exe 2 5 11->23         started        25 schtasks.exe 1 11->25         started        27 schtasks.exe 14->27         started        29 goICPG.exe 14->29         started        31 goICPG.exe 14->31         started        signatures5 process6 dnsIp7 61 208.91.199.225, 49728, 587 PUBLIC-DOMAIN-REGISTRYUS United States 16->61 63 smtp.coffiices.com 16->63 47 C:\Windows\System32\drivers\etc\hosts, ASCII 16->47 dropped 77 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 16->77 79 Tries to steal Mail credentials (via file access) 16->79 81 Tries to harvest and steal ftp login credentials 16->81 83 Tries to harvest and steal browser information (history, passwords, etc) 16->83 33 reg.exe 16->33         started        35 conhost.exe 21->35         started        65 smtp.coffiices.com 23->65 67 us2.smtp.mailhostbox.com 208.91.198.143, 49726, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->67 49 C:\Users\user\AppData\Roaming\...\goICPG.exe, PE32 23->49 dropped 51 C:\Users\user\...\goICPG.exe:Zone.Identifier, ASCII 23->51 dropped 85 Modifies the hosts file 23->85 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->87 37 reg.exe 23->37         started        39 conhost.exe 25->39         started        41 conhost.exe 27->41         started        file8 signatures9 process10 process11 43 conhost.exe 33->43         started        45 conhost.exe 37->45         started       
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dbf694fcd9a32d44e248d929d8e76c8c2e64645f591f604be81f4fe46fde7945/
Threat name:
ByteCode-MSIL.Trojan.Ymacco
Create hunting rule
Status:
Malicious
First seen:
2020-08-30 09:01:07 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3p3jj7gzumwujysi3eu5rz3mrqxgizc7lepwas7id5h6i366pfcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'634 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/200830-q33hpgfkv6/
Behaviour
Creates scheduled task(s)
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.91
Link:
https://yomi.yoroi.company/submissions/dbf694fcd9a32d44e248d929d8e76c8c2e64645f591f604be81f4fe46fde7945

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

r09 abcba065d8902f508e86614c9c0d16289dec443f64fb412bd040641473488ed8

AgentTesla

Executable exe dbf694fcd9a32d44e248d929d8e76c8c2e64645f591f604be81f4fe46fde7945

(this sample)

  
Dropped by
MD5 f4e3ce75bc7891fea6a83a55bc9fa691
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 abcba065d8902f508e86614c9c0d16289dec443f64fb412bd040641473488ed8
Cape
Cape
https://www.capesandbox.com/analysis/53094/

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