MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e57bff75d5dff87a5a965e50d9acdfb8237419c14a102b78493d893e11b1adad. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e57bff75d5dff87a5a965e50d9acdfb8237419c14a102b78493d893e11b1adad
SHA3-384 hash: 4117892904248914590afed6a2ac3977062a81c0a3b33c60b8096262410f94148151d940ba6f7469a554d8c601b73710
SHA1 hash: 2a7bfbece0acf9e446a5419bcff2a9120639e01c
MD5 hash: 015f9f208a2475de5d15de69435d2d0c
humanhash: nineteen-spaghetti-massachusetts-india
File name:SOA--AUSGT 2023.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:20'992 bytes
First seen:2023-09-04 09:41:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:6fvaO6XCWQef8pTFO2sjorQUKJV15Rnu0/w3UfZ:ZfCSaFbsjorW1nu0/w3Q
Threatray 5'651 similar samples on MalwareBazaar
TLSH T159920927791D7660D226CB3BD487E9041F36A242B0A7DF1C781F234B6C0F39ADA4B685
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
277
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
SOA--AUSGT 2023.exe
Verdict:
Malicious activity
Analysis date:
2023-09-04 09:41:56 UTC
Tags:
agenttesla stealer
Link:
https://app.any.run/tasks/7ea4dad3-6284-4a40-a57a-858012d198b3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/446031/
Detection(s):
SecuriteInfo.com.Win32.TrojanX-gen.23080.25942.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file in the %AppData% directory
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control lolbin packed
Link:
https://www.filescan.io/uploads/64f5a66b9733ad6b263905f7/reports/802c1ddf-7ac9-4efb-bb4b-a2d458d57428/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/e57bff75d5dff87a5a965e50d9acdfb8237419c14a102b78493d893e11b1adad
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ea01d218-b163-4426-a20b-6dc16e5af857
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1302796
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates multiple autostart registry keys
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sample uses string decryption to hide its real strings
Sigma detected: MSBuild connects to smtp port
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 Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1302796 Sample: SOA--AUSGT_2023.exe Startdate: 04/09/2023 Architecture: WINDOWS Score: 100 35 tse1.mm.bing.net 2->35 49 Found malware configuration 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 6 other signatures 2->55 7 SOA--AUSGT_2023.exe 16 5 2->7         started        12 Kztgowzcmzg.exe 14 5 2->12         started        14 Kztgowzcmzg.exe 2->14         started        16 2 other processes 2->16 signatures3 process4 dnsIp5 47 files.catbox.moe 108.181.20.35, 443, 49713, 49718 ASN852CA Canada 7->47 33 C:\Users\user\AppData\...\Kztgowzcmzg.exe, PE32 7->33 dropped 71 Creates multiple autostart registry keys 7->71 73 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 7->73 75 Writes to foreign memory regions 7->75 18 MSBuild.exe 16 4 7->18         started        77 Antivirus detection for dropped file 12->77 79 Multi AV Scanner detection for dropped file 12->79 81 Machine Learning detection for dropped file 12->81 23 MSBuild.exe 3 12->23         started        83 Injects a PE file into a foreign processes 14->83 25 MSBuild.exe 14->25         started        27 conhost.exe 16->27         started        29 conhost.exe 16->29         started        file6 signatures7 process8 dnsIp9 37 api4.ipify.org 64.185.227.156, 443, 49714, 49722 WEBNXUS United States 18->37 39 mail92100.maychuemail.com 112.213.92.100, 49717, 49725, 49735 SUPERDATA-AS-VNSUPERDATA-VN Viet Nam 18->39 41 api.ipify.org 18->41 31 C:\Users\user\AppData\Roaming\...\wSStSI.exe, PE32 18->31 dropped 57 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->57 59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->59 61 May check the online IP address of the machine 18->61 63 Creates multiple autostart registry keys 18->63 43 api.ipify.org 23->43 45 api.ipify.org 25->45 65 Tries to steal Mail credentials (via file / registry access) 25->65 67 Tries to harvest and steal browser information (history, passwords, etc) 25->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->69 file10 signatures11
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e57bff75d5dff87a5a965e50d9acdfb8237419c14a102b78493d893e11b1adad/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-08-21 05:35:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=4v5765ov374huwuwlzintlg7xarxigobjiicw6cjhwet4enrvwwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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6eefdf2b638055093eef90cee1a6ebec2a2b238daf74576fef0e8eca6a02f2af
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e1fae54e9fb4d1c3d42119a980b7992cbadfda5c7051de61a2d1cef9d251c173
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f2a228803ecd97cb21207b13024d38b890aac02dcbe04fb2ec74a10550bc1589
AgentTesla
+ 5'641 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230904-lpb8zaff72/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
AgentTesla
Unpacked files
SH256 hash:
e57bff75d5dff87a5a965e50d9acdfb8237419c14a102b78493d893e11b1adad
MD5 hash:
015f9f208a2475de5d15de69435d2d0c
SHA1 hash:
2a7bfbece0acf9e446a5419bcff2a9120639e01c
Detections:
PureCrypter_Stage1
Create hunting rule
Link:
https://www.unpac.me/results/50f73613-abc8-4643-9de7-e21e00196317/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e57bff75d5df/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e57bff75d5dff87a5a965e50d9acdfb8237419c14a102b78493d893e11b1adad

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:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

Executable exe e57bff75d5dff87a5a965e50d9acdfb8237419c14a102b78493d893e11b1adad

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/446031/

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