MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a00f31f111a4949a2c5825dc99c807a25679453b61f851019b834ce1e21b390. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5a00f31f111a4949a2c5825dc99c807a25679453b61f851019b834ce1e21b390
SHA3-384 hash: ffbcdedea7568d1b47b04be395a3a1ded16a3e25376a06561cb92547816f9cf11dfd8e001b6ea08cc9af8a337e728b59
SHA1 hash: ce0f698780ab566c9a74dead2888a106fddced49
MD5 hash: 8eb6971be2c74cff1513fc06fcb42f1a
humanhash: rugby-blossom-river-five
File name:avira_en_vpnb0_1932501596-1695807994__pvpnws-spotlightvpnadw-test.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:204'288 bytes
First seen:2023-10-02 19:49:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 3072:dw6PXUpUxRmkH+LGP34oqKerVUzeeDXbwa21DH9ua/aHyvZRjd2iu:dw6PkpUiqbwv
Threatray 23 similar samples on MalwareBazaar
TLSH T19A14E8CB73E44735F4BE6F324C7D48496270AC92791EDB094BC174AB1A33240B95AAA7
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon 4cb26974b2cc45b2 (2 x AgentTesla)
Reporter stealerkiller
Tags:AgentTesla exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
GB GB
Vendor Threat Intelligence
Malware family:
agenttesla
Create hunting rule
ID:
1
File name:
avira_en_vpnb0_1932501596-1695807994__pvpnws-spotlightvpnadw-test.exe
Verdict:
Malicious activity
Analysis date:
2023-10-02 19:54:47 UTC
Tags:
evasion agenttesla stealer
Link:
https://app.any.run/tasks/7ab5dfc4-c0f8-41a7-acab-e42c067c8e86

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Malware.AgentTesla-6952874-1
Create hunting rule

Win.Dropper.Razy-6519812-0
Create hunting rule

Win.Malware.Barys-6820546-0
Create hunting rule

Win.Packed.Barys-6841771-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
DNS request
Sending an HTTP GET request
Creating a window
Sending an HTTP POST request
Moving of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control evasive fingerprint fingerprint infostealer lolbin packed packed replace shell32 stealer stealer
Link:
https://www.filescan.io/uploads/651b1eeb426c8727d6e88e0f/reports/ad67bb9a-a2d2-4fdc-8e61-92c0e8cce13b/overview
Verdict:
Malicious
Labled as:
MSIL.PasswordStealerA.Generic
Link:
https://www.hybrid-analysis.com/sample/5a00f31f111a4949a2c5825dc99c807a25679453b61f851019b834ce1e21b390
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb7d49cd-1d00-4087-a430-191a42ddcbe5
Result
Threat name:
Agent Tesla, AgentTesla
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1318258
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to capture screen (.Net source)
Detected Agent Tesla keylogger
Hides that the sample has been downloaded from the Internet (zone.identifier)
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
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 Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected AgentTesla
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1318258 Sample: avira_en_vpnb0_1932501596-1... Startdate: 02/10/2023 Architecture: WINDOWS Score: 100 21 rakishev.org 2->21 33 Snort IDS alert for network traffic 2->33 35 Malicious sample detected (through community Yara rule) 2->35 37 Antivirus / Scanner detection for submitted sample 2->37 39 6 other signatures 2->39 6 avira_en_vpnb0_1932501596-1695807994__pvpnws-spotlightvpnadw-test.exe 18 21 2->6         started        11 JavaUpdate.exe 14 16 2->11         started        13 JavaUpdate.exe 2->13         started        15 2 other processes 2->15 signatures3 process4 dnsIp5 23 rakishev.org 104.21.20.56, 49829, 49836, 49838 CLOUDFLARENETUS United States 6->23 25 checkip.dyndns.org 6->25 31 3 other IPs or domains 6->31 17 C:\Users\user\AppData\...\JavaUpdate.exe, PE32 6->17 dropped 19 C:\Users\...\JavaUpdate.exe:Zone.Identifier, ASCII 6->19 dropped 41 Detected Agent Tesla keylogger 6->41 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 6->43 45 May check the online IP address of the machine 6->45 61 3 other signatures 6->61 27 checkip.dyndns.org 11->27 47 Tries to steal Instant Messenger accounts or passwords 11->47 49 Tries to steal Mail credentials (via file / registry access) 11->49 51 Tries to harvest and steal ftp login credentials 11->51 53 Tries to harvest and steal browser information (history, passwords, etc) 11->53 55 Antivirus detection for dropped file 13->55 57 Multi AV Scanner detection for dropped file 13->57 59 Machine Learning detection for dropped file 13->59 29 checkip.dyndns.org 15->29 file6 signatures7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5a00f31f111a4949a2c5825dc99c807a25679453b61f851019b834ce1e21b390/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-02 19:50:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
22 of 23 (95.65%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=liapghyrdjeutiwfqjo4theapiswpfctwypykeazxa2m4hrbwoia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
0279b2a608449bd684576d19dca12b92fce80bcec11f84e86225d34ea4591d12
AgentTesla
0756a29169a580e220b87a4ce60cb7eac6e48ca708be937344127d2dad53f442
AgentTesla
1c86ea69172d009a3cdd1743213353ecfde93cbeeba216b81b2bfcf60934db41
AgentTesla
21fca45c0c0580eb074d8600808520723148c0c0dbd4e3d04c4edd21ff876863
AgentTesla
4121b53175e74dddb4cdce06b699ce06dcf6c62b610060ef2dd9796751a067b8
AgentTesla
4fe2efffd5d2755a2f33aecf92d5291b3e433e9cd2d01b4d507a62ce8225374a
AgentTesla
680142a2cafcc943b14a2b6984f7186e37bcb0bee2a19ef3d878d1213b93f756
AgentTesla
a81a437f2064bde51350b7a2ead1f87a58fa25bb3f3c4ad676b44ba65d0d33ac
AgentTesla
cc141b7289cd7f46f00dec52019353138badf3df643c6d056b296257221016cc
AgentTesla
+ 13 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
collection persistence spyware stealer
Link:
https://tria.ge/reports/231002-yj82zaga95/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
outlook_office_path
outlook_win_path
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Unpacked files
SH256 hash:
5a00f31f111a4949a2c5825dc99c807a25679453b61f851019b834ce1e21b390
MD5 hash:
8eb6971be2c74cff1513fc06fcb42f1a
SHA1 hash:
ce0f698780ab566c9a74dead2888a106fddced49
Detections:
win_agent_tesla_g1
Create hunting rule
Link:
https://www.unpac.me/results/948a6470-dd8b-484c-9cdf-4ea1cec83863/
Malware family:
AgentTesla
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5a00f31f111a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/5a00f31f111a4949a2c5825dc99c807a25679453b61f851019b834ce1e21b390

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
Create hunting rule
Author:kevoreilly
Description:AgentTesla Payload
Rule name:AgentTeslaV2
Create hunting rule
Author:ditekshen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:AgentTesla_mod_tough_mem
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:agent_tesla
Create hunting rule
Author:Stormshield
Description:Detecting HTML strings used by Agent Tesla malware
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_GENInfoStealer
Create hunting rule
Author:ditekSHen
Description:Detects executables containing common artifcats observed in infostealers
Rule name:MALWARE_Win_AgentTeslaV2
Create hunting rule
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETDLLMicrosoft
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.

Web download

AgentTesla

Executable exe 5a00f31f111a4949a2c5825dc99c807a25679453b61f851019b834ce1e21b390

(this sample)

  
Link
http://rakishev.org/ok.php
  
Dropped by
AgentTesla
  
Delivery method
Distributed via web download

Comments