MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9df842f4e228e241a4ca99bdf11e32cdf4c9d549f581d0b25b27271106db76d0. 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

SHA256 hash: 9df842f4e228e241a4ca99bdf11e32cdf4c9d549f581d0b25b27271106db76d0
SHA3-384 hash: c0781f5951d77ff57745ac43650a0bf0b22b84db93e9e3ad2804368355ce9e1a6ca44e679306ccd9432ecd9e8524c5d2
SHA1 hash: 7c799fcf02eecb989f7a9b7389c42372aceaf6f2
MD5 hash: 340263e4f03dadf6093525e05933334d
humanhash: robert-harry-quiet-delaware
File name:DOC pdf..exe
Download: download sample
Signature AgentTesla
File size:940'544 bytes
First seen:2020-07-30 09:22:45 UTC
Last seen:2020-07-30 10:00:50 UTC
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:fxdL/ulcZHsMAzpPhi8fDyipIbowpnaJI/rlw9CQUxPbmmEyhNLdSttWgZq0hqvk:2lcZHipZ975pqo6aOJlJjmmzNLdYtzZ
Threatray 10'687 similar samples on MalwareBazaar
TLSH 57159C5276FCA1DBD16A4B3981970A09DF68BF754A27DB4E307137FE26BAF854002D20
Reporter jarumlus
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
74
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Using the Windows Management Instrumentation requests
Unauthorized injection to a system process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the hosts 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
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253939 Sample: DOC pdf..exe Startdate: 30/07/2020 Architecture: WINDOWS Score: 100 56 Found malware configuration 2->56 58 Sigma detected: Scheduled temp file as task from temp location 2->58 60 Yara detected AgentTesla 2->60 62 5 other signatures 2->62 8 DOC pdf..exe 5 2->8         started        11 oPLNOE.exe 2 2->11         started        13 oPLNOE.exe 1 2->13         started        process3 file4 36 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->36 dropped 38 C:\Users\user\AppData\Local\...\tmp7110.tmp, XML 8->38 dropped 40 C:\...\&startupname&.exe:Zone.Identifier, ASCII 8->40 dropped 42 C:\Users\user\AppData\...\DOC pdf..exe.log, ASCII 8->42 dropped 15 RegSvcs.exe 2 4 8->15         started        20 schtasks.exe 1 8->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        process5 dnsIp6 44 daafco.com 50.87.202.136, 49703, 587 UNIFIEDLAYER-AS-1US United States 15->44 46 mail.daafco.com 15->46 32 C:\Users\user\AppData\Roaming\...\oPLNOE.exe, PE32 15->32 dropped 34 C:\Windows\System32\drivers\etc\hosts, ASCII 15->34 dropped 48 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->48 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->50 52 Tries to steal Mail credentials (via file access) 15->52 54 5 other signatures 15->54 26 reg.exe 1 15->26         started        28 conhost.exe 20->28         started        file7 signatures8 process9 process10 30 conhost.exe 26->30         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-30 09:24:06 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry key
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
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

Executable exe 9df842f4e228e241a4ca99bdf11e32cdf4c9d549f581d0b25b27271106db76d0

(this sample)

  
Delivery method
Distributed via e-mail attachment

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