MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c66b164cb1120ffc2e7cf33e6aae762ff03e95902a7ec0066c70b3014edf8a37. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c66b164cb1120ffc2e7cf33e6aae762ff03e95902a7ec0066c70b3014edf8a37
SHA3-384 hash: f07a54427b13364a030fd0b1515ee3eb66a3f5e7d34e9d3089df497f24b18fe0c934150fdc96e4c8fa9f63471ae246f0
SHA1 hash: 02f0f288543c0476c0016aaec8e195f62c4a5998
MD5 hash: 030c38ca3e76a1b40ef3d60898ab7955
humanhash: oregon-alanine-happy-mango
File name:USD62,480.07 payment advice note for invoices.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:689'152 bytes
First seen:2020-06-26 08:18:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4efaaf21b12695f01a3026d85b9437a9 (5 x AgentTesla, 5 x Loki, 2 x FormBook)
ssdeep 12288:7EWYuBQgNo1MTuOxYL1ITsHwDUyt3EgkRKvLaLw91iBKvF+uAYN:gtIouYueWd3EzRKvOei2Fr3
Threatray 11'125 similar samples on MalwareBazaar
TLSH B6E4AF22E2E04832F052257D9D3BD6785A26BD513D585A462BF4FD0CAF38F81352E2B7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 150-95-112-115.conoha.io
Sending IP: 150.95.112.115
From: Miss Maria - Accounts Dept HSBC<treybd@gmail.com>
Subject: payment advice note from 26.06.2020
Attachment: USD62,480.07 payment advice note for invoices.iso (contains "USD62,480.07 payment advice note for invoices.exe")

AgentTesla SMTP exfil server:
mail.khedr-eg.com:587

AgentTesla SMTP exfil email address:
mohamed@khedr-eg.com

Intelligence

File Origin
# of uploads :
1
# of downloads :
78
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/14770/
Detection(s):
SecuriteInfo.com.Win32.Injector.EMHU.4343.UNOFFICIAL
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Unauthorized injection to a system process
Enabling autorun with Startup directory
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c66b164cb1120ffc2e7cf33e6aae762ff03e95902a7ec0066c70b3014edf8a37/
Threat name:
Win32.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2020-06-26 08:19:05 UTC
AV detection:
29 of 31 (93.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=yzvrmtfrcih7ylt46m7gvltwf7yd5fmqfj7mabtmoczqctw7ri3q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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+ 11'115 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200626-v4j1a271bj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Drops startup file
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP clients
UPX packed file
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
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

iso 605e9a9eb838657afce3ed9822e1e9e9f381f8fb6ebf7f361138ed082f87dc67

AgentTesla

Executable exe c66b164cb1120ffc2e7cf33e6aae762ff03e95902a7ec0066c70b3014edf8a37

(this sample)

  
Dropped by
MD5 e8cb58ec08e1388dd79c194fd76bdf3c
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/14770/
  
Dropped by
SHA256 605e9a9eb838657afce3ed9822e1e9e9f381f8fb6ebf7f361138ed082f87dc67

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