MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5162d67fe571a80e9b1dc7683a99b491d09e512639a09f853caec76a9861abe6. 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 4 File information Comments
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SHA256 hash: 5162d67fe571a80e9b1dc7683a99b491d09e512639a09f853caec76a9861abe6
SHA3-384 hash: 7cc3ca474619b3e18aea6be23d9b5229c2385a05802ffee9b2ed002845af45f4c1370c989acf27e34de1617424e36d68
SHA1 hash: 9219b3a8a4de3a2aaea94b6485096dd1a3704a72
MD5 hash: 4e777e79157f87ee0ba9cb80e4f8fcda
humanhash: oscar-pip-robert-minnesota
File name:RFQ-02-ORDER.xlsm
Download: download sample
Signature AgentTesla
Create hunting rule
File size:53'353 bytes
First seen:2020-07-21 06:08:53 UTC
Last seen:2020-07-21 07:24:38 UTC
File type:Excel file xlsm
MIME type:application/vnd.openxmlformats-officedocument.spreadsheetml.sheet
ssdeep 1536:vIqIP9Adp9CMleXZfeuzokrlGgXFpZpsMOsMD+udzbba:0PKpMMlalZznNLmMOsMDv2
TLSH 1D33F10E3FC1200ACA967E7B16EF6507A36B83214207F51BBAE1964C83C1BD1534B5B9
Reporter abuse_ch
Tags:AgentTesla xlsm


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mo4-p04-ob.smtp.rzone.de
Sending IP: 85.215.255.122
From: Alex Kind <alex@o1group.nl>
Subject: RFQ
Attachment: RFQ-02-ORDER.xlsm

AgentTesla payload URL:
http://mail.zanello.adv.br/wordpress/wp-includes/1a/ib.exe

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Heur.Macro.Generic.e.b18a458.6798.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Creating a process from a recently created file
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392446
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248392 Sample: RFQ-02-ORDER.xlsm Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 39 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->39 41 Found malware configuration 2->41 43 Multi AV Scanner detection for dropped file 2->43 45 14 other signatures 2->45 8 EXCEL.EXE 79 52 2->8         started        process3 dnsIp4 37 mail.zanello.adv.br 162.241.3.25, 49717, 80 OIS1US United States 8->37 25 C:\Users\user\AppData\Local\...\ib[1].exe, PE32 8->25 dropped 27 C:\Users\Public\svchost32.exe, PE32 8->27 dropped 29 C:\Users\user\Desktop\~$RFQ-02-ORDER.xlsm, data 8->29 dropped 55 Document exploit detected (creates forbidden files) 8->55 57 Document exploit detected (process start blacklist hit) 8->57 13 svchost32.exe 4 8->13         started        file5 signatures6 process7 file8 31 C:\Users\user\AppData\Roaming\saHTAuCg.exe, PE32 13->31 dropped 33 C:\Users\user\AppData\Local\...\tmp6F42.tmp, XML 13->33 dropped 59 Multi AV Scanner detection for dropped file 13->59 61 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 13->61 63 Machine Learning detection for dropped file 13->63 65 3 other signatures 13->65 17 svchost32.exe 2 13->17         started        21 schtasks.exe 1 13->21         started        signatures9 process10 dnsIp11 35 mail.totallyanonymous.com 212.1.212.239, 49721, 587 AS-HOSTINGERLT United States 17->35 47 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->47 49 Tries to steal Mail credentials (via file access) 17->49 51 Tries to harvest and steal ftp login credentials 17->51 53 2 other signatures 17->53 23 conhost.exe 21->23         started        signatures12 process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5162d67fe571a80e9b1dc7683a99b491d09e512639a09f853caec76a9861abe6/
Threat name:
Script-Macro.Downloader.Obfuser
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 04:26:17 UTC
AV detection:
14 of 27 (51.85%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kfrnm77fogua5gy5y5udvgnushij4ujghgqj7bj4v3dwvgdbvpta._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200721-prb3tk8d4n/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: AddClipboardFormatListener
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Office loads VBA resources, possible macro or embedded object present
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
Executes dropped EXE
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5162d67fe571a80e9b1dc7683a99b491d09e512639a09f853caec76a9861abe6

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:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples
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

Excel file xlsm 5162d67fe571a80e9b1dc7683a99b491d09e512639a09f853caec76a9861abe6

(this sample)

AgentTesla

Executable exe edefb92e5128b8548482615f2d8a1728557e0a076ceb73b293b7d95333c193f9

  
URLhaus
https://urlhaus.abuse.ch/url/415747/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 edefb92e5128b8548482615f2d8a1728557e0a076ceb73b293b7d95333c193f9
  
Dropping
MD5 78c1384ca3d0943fc272bda41489fa80

Comments