MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b35aa643ec1006130a3ad1cdebb98e94e7f2f51ba75603e6e5887d4d487fd5a. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b35aa643ec1006130a3ad1cdebb98e94e7f2f51ba75603e6e5887d4d487fd5a
SHA3-384 hash: f1cf0f5f65023b8cdcbcf36d0ea92ea893e387b6dc2f4615e3d933dd780bb0352e695b592972d719b250de6b0d149837
SHA1 hash: a870f3ae9d2bc9c5863604f5b714d3421b1b4fce
MD5 hash: 883f310e3695dd1c848ff1fd53d3cd3d
humanhash: autumn-early-thirteen-monkey
File name:Quotation 98878.Scan.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:649'728 bytes
First seen:2020-07-07 12:53:54 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 12288:7IXFSwN4Q3OLK2lpbd84QiCzjJLEoP+7Zld/lWbJxaij1OU+BHtCOlDRDOQroAb8:DU+xBHDOYowcmm0er+45
Threatray 10'640 similar samples on MalwareBazaar
TLSH 9DD4AD7026B49F89C9BA5FF45504E8324FB42D6B67ADC6582CC07CCB38E5F058A91A73
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ngay6.localdomain
Sending IP: 45.127.62.137
From: howell@bento.com
Subject: Payment Advice - Advice Ref:[48934] / Priority payment / Customer Ref:[0000568988]
Attachment: Payment Advice Ref98878.Scan.rar (contains "Quotation 98878.Scan.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
87
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22286/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
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
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6b35aa643ec1006130a3ad1cdebb98e94e7f2f51ba75603e6e5887d4d487fd5a/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 12:55:08 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nm22uzb6yeagcmfdvuon5o4y5fhh6l2rxj2waptolcd5jveh7vna._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'630 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware
Link:
https://tria.ge/reports/200707-nf6ls4kv7s/
Behaviour
Creates scheduled task(s)
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
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
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 b1dbd196d36d811854ae854a483d35935035c7d3724179ea46191fac8ba20755

AgentTesla

Executable exe 6b35aa643ec1006130a3ad1cdebb98e94e7f2f51ba75603e6e5887d4d487fd5a

(this sample)

  
Dropped by
MD5 6bd3359c9a3c3575073763799d636524
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b1dbd196d36d811854ae854a483d35935035c7d3724179ea46191fac8ba20755
Cape
Cape
https://www.capesandbox.com/analysis/22286/

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