MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efb5ee93cfb2bdcf1a0391c00d3a8fbd23ffe6862fa302bef3a839e8f39453fa. 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 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efb5ee93cfb2bdcf1a0391c00d3a8fbd23ffe6862fa302bef3a839e8f39453fa
SHA3-384 hash: 663155da865f7434c037dd269daf1b5e8da45f75da7e78ac887399644c9c43d69c8f8e76e5e16d1005b01fd02e416726
SHA1 hash: 4d3dab32ee57b27703ec510482b621d518238890
MD5 hash: 0e053e2a53ba13b76fbd2bc279f532ad
humanhash: cola-fourteen-mirror-fillet
File name:Drawings_pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:47'640 bytes
First seen:2021-03-22 07:31:05 UTC
Last seen:2021-03-22 09:36:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'664 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:m8c9XS29u+jIOf4raGflvJCxGflvx/FIwJGun51uumg6hX:m80i295Q7mT
Threatray 3'358 similar samples on MalwareBazaar
TLSH 0D2300E896E8C0E7FABDF63096D1A2CA923DB9733411496B55C702C3C7967821ED017E
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing unidentified malware:

HELO: hnspice.com
Sending IP: 103.99.1.140
From: info@hnspice.com
Subject: Re: Inquiry From Ms. juhee Cha - Hand Industrial 20210312
Attachment: Drawings_pdf.7z (contains "Drawings_pdf.exe")

Intelligence

File Origin
# of uploads :
2
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Drawings_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-22 07:43:21 UTC
Tags:
keylogger stealer agenttesla
Link:
https://app.any.run/tasks/9958c343-d23c-4ba2-8e67-7183c0e0cdf2

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.DownLoader38.6367.9561.5532.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Creating a file
Moving a recently created file
Running batch commands
Creating a process with a hidden window
Sending a UDP request
Launching a process
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/647422
Signature
Antivirus detection for URL or domain
Binary contains a suspicious time stamp
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted 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)
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)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 372675 Sample: Drawings_pdf.exe Startdate: 22/03/2021 Architecture: WINDOWS Score: 100 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 Multi AV Scanner detection for submitted file 2->61 63 4 other signatures 2->63 7 Drawings_pdf.exe 15 8 2->7         started        12 NewApp.exe 14 7 2->12         started        14 NewApp.exe 3 2->14         started        16 WerFault.exe 2->16         started        process3 dnsIp4 55 liverpoolsupporters9.com 172.67.176.78, 49704, 49713, 80 CLOUDFLARENETUS United States 7->55 51 C:\Users\user\AppData\...\ufiqke4k.newcfg, XML 7->51 dropped 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->75 77 Hides threads from debuggers 7->77 18 Drawings_pdf.exe 2 5 7->18         started        23 cmd.exe 1 7->23         started        79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 83 Injects a PE file into a foreign processes 12->83 25 cmd.exe 12->25         started        27 NewApp.exe 12->27         started        29 WerFault.exe 12->29         started        31 cmd.exe 14->31         started        33 Drawings_pdf.exe 16->33 injected file5 signatures6 process7 dnsIp8 53 mail.orienttech.com.qa 162.241.85.66, 49751, 587 OIS1US United States 18->53 47 C:\Users\user\AppData\Roaming\...47ewApp.exe, PE32 18->47 dropped 49 C:\Users\user\...49ewApp.exe:Zone.Identifier, ASCII 18->49 dropped 65 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->65 67 Tries to steal Mail credentials (via file access) 18->67 69 Tries to harvest and steal ftp login credentials 18->69 71 2 other signatures 18->71 35 conhost.exe 23->35         started        37 timeout.exe 1 23->37         started        39 conhost.exe 25->39         started        41 timeout.exe 25->41         started        43 conhost.exe 31->43         started        45 timeout.exe 31->45         started        file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/efb5ee93cfb2bdcf1a0391c00d3a8fbd23ffe6862fa302bef3a839e8f39453fa/
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=56265e6pwk646gqdshaa2oupxur77zugf6rqfpxtva46r44ukp5a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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1be6dc89ef7b01bdc6563c86c36e84b7560d85bab73d7186e2f223550461c5c4
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747ee0971e16540fa80072cdcc9e28a2f3fca2303303920c802219ea64c5bef2
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8ab6e7ca68c0c1ab0e39ede908135343fbfbfdeb3b6981f4630e6c74e73d7ca3
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b2b6eff8a6c60704b212b98e6eb03be8bd26e1dc3bd8b6f28774bd6a52badb6d
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d830adad4946e743cdc39b91ce67e2c3c0ff9aedda4cf205d1756ac45bb7b2e8
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AgentTesla
+ 3'348 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/210322-66s776t3n2/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
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
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
efb5ee93cfb2bdcf1a0391c00d3a8fbd23ffe6862fa302bef3a839e8f39453fa
MD5 hash:
0e053e2a53ba13b76fbd2bc279f532ad
SHA1 hash:
4d3dab32ee57b27703ec510482b621d518238890
Link:
https://www.unpac.me/results/acc43e96-e001-4833-a00a-e6b1f83a3a5d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.10
Link:
https://yomi.yoroi.company/submissions/efb5ee93cfb2bdcf1a0391c00d3a8fbd23ffe6862fa302bef3a839e8f39453fa

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

7z ae6df6f72f70c1a284a00df43afc92db56c5af48645027c4762c598dce571878

AgentTesla

Executable exe efb5ee93cfb2bdcf1a0391c00d3a8fbd23ffe6862fa302bef3a839e8f39453fa

(this sample)

  
Dropped by
MD5 865f27ed57bc09edeced19d8edc20a1b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 ae6df6f72f70c1a284a00df43afc92db56c5af48645027c4762c598dce571878

Comments