MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5ebccb834beb6f0ac7b5dbfc8953da3c6a7466031da905d6716b7127b54b5c45. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5ebccb834beb6f0ac7b5dbfc8953da3c6a7466031da905d6716b7127b54b5c45
SHA3-384 hash: 353bd186f91d164b06a7ad21a1faee1bbc3b4aa37fabf83454fb205daff2779f7d03bacfda54a2fc15225c9091790cad
SHA1 hash: 58424cc473451268db5a783f1744aebdd433e754
MD5 hash: 5c486dcf9457e4cf5eadecefa00a3a6d
humanhash: kansas-jersey-burger-papa
File name:Gsmvurqzav.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'075'712 bytes
First seen:2023-06-30 07:18:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:tmnACt3RHAmn/QekK/r9qhl2h1NNN9LAKXLytvG6I0RmRu12:Ept9/QekK/r845N9kKXouV0RG
Threatray 16 similar samples on MalwareBazaar
TLSH T1B43539993BD5DF72EA9F12FFA037461E83F1C01A9696FB8D1A88DDE424427129E4C143
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
270
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Gsmvurqzav.exe
Verdict:
Malicious activity
Analysis date:
2023-06-30 07:24:29 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e3a8cdf1-6bf4-4408-a143-1af5fd5d7f18

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/403957/
Detection(s):
SecuriteInfo.com.Variant.MSILHeracles.91841.16961.10029.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Launching a process
Sending a UDP request
Creating a file in the %AppData% directory
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin packed replace
Link:
https://www.filescan.io/uploads/649e81ab1a035eeff9b38b19/reports/628d87f5-0432-47f0-bda0-1858bf86b6d0/overview
Verdict:
Malicious
Labled as:
MSILHeracles.Generic
Link:
https://www.hybrid-analysis.com/sample/5ebccb834beb6f0ac7b5dbfc8953da3c6a7466031da905d6716b7127b54b5c45
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/fc4d99c9-fbce-47d1-a941-b6ffc4183f64
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1263769
Signature
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
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
Snort IDS alert for network traffic
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)
Uses ipconfig to lookup or modify the Windows network settings
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 896795 Sample: Gsmvurqzav.exe Startdate: 30/06/2023 Architecture: WINDOWS Score: 100 103 Snort IDS alert for network traffic 2->103 105 Found malware configuration 2->105 107 Multi AV Scanner detection for submitted file 2->107 109 6 other signatures 2->109 9 Gsmvurqzav.exe 16 6 2->9         started        14 Vezifcmoz.exe 14 4 2->14         started        16 Vezifcmoz.exe 2->16         started        18 2 other processes 2->18 process3 dnsIp4 93 files.catbox.moe 108.181.20.35, 443, 49702, 49704 ASN852CA Canada 9->93 85 C:\Users\user\AppData\Roaming\Vezifcmoz.exe, PE32 9->85 dropped 87 C:\Users\...\Vezifcmoz.exe:Zone.Identifier, ASCII 9->87 dropped 89 C:\Users\user\AppData\...behaviorgraphsmvurqzav.exe.log, ASCII 9->89 dropped 125 Creates multiple autostart registry keys 9->125 127 Writes to foreign memory regions 9->127 129 Injects a PE file into a foreign processes 9->129 20 MSBuild.exe 16 4 9->20         started        25 cmd.exe 1 9->25         started        27 cmd.exe 1 9->27         started        29 cmd.exe 1 9->29         started        131 Multi AV Scanner detection for dropped file 14->131 31 cmd.exe 14->31         started        35 2 other processes 14->35 33 cmd.exe 16->33         started        37 2 other processes 16->37 39 2 other processes 18->39 file5 signatures6 process7 dnsIp8 91 api.telegram.org 149.154.167.220, 443, 49703, 49708 TELEGRAMRU United Kingdom 20->91 83 C:\Users\user\AppData\Roaming\...\SzKSxBk.exe, PE32 20->83 dropped 111 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 20->111 113 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 20->113 115 Tries to steal Mail credentials (via file / registry access) 20->115 119 2 other signatures 20->119 117 Uses ipconfig to lookup or modify the Windows network settings 25->117 51 2 other processes 25->51 53 2 other processes 27->53 55 2 other processes 29->55 41 Vezifcmoz.exe 31->41         started        45 conhost.exe 31->45         started        47 Vezifcmoz.exe 33->47         started        49 conhost.exe 33->49         started        57 4 other processes 35->57 59 4 other processes 37->59 file9 signatures10 process11 dnsIp12 95 192.168.2.1 unknown unknown 41->95 97 files.catbox.moe 41->97 121 Writes to foreign memory regions 41->121 123 Injects a PE file into a foreign processes 41->123 61 MSBuild.exe 41->61         started        65 cmd.exe 41->65         started        67 cmd.exe 41->67         started        69 cmd.exe 41->69         started        99 files.catbox.moe 47->99 signatures13 process14 dnsIp15 101 api.telegram.org 61->101 133 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 61->133 135 Tries to steal Mail credentials (via file / registry access) 61->135 137 Tries to harvest and steal browser information (history, passwords, etc) 61->137 139 Hides that the sample has been downloaded from the Internet (zone.identifier) 61->139 71 conhost.exe 65->71         started        73 ipconfig.exe 65->73         started        75 conhost.exe 67->75         started        77 powershell.exe 67->77         started        79 conhost.exe 69->79         started        81 ipconfig.exe 69->81         started        signatures16 process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5ebccb834beb6f0ac7b5dbfc8953da3c6a7466031da905d6716b7127b54b5c45/
Threat name:
ByteCode-MSIL.Trojan.Heracles
Create hunting rule
Status:
Malicious
First seen:
2023-06-28 12:14:46 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=l26mxa2l5nxqvr5v3p6isu62hrvhizqddwuqlvtrnnyspnkllrcq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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326e9ddf345c6128976b27ddab85e060e612b5977fc733448b5c0d7d5fa64c8b
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5d0e89e4891c61e170a328bdfd4205904de058eb335857e9cb08660871ee6e7e
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7c2484919615d020288017069415dfbb589b8052b22439e36707febb425d8565
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abf28b7d6bbd007ec70287503abe5e01d90aef2125b1287c98c6aaae0cdc4180
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ad83447b6d362f0bae733ae90166306dcc9acb8e379f3285014b78edbe9fe916
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c9cb9c3c9c4fd3eb355b09184345b4173d515bfcc0e1218528f432bda4a4328b
AgentTesla
+ 6 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/230630-h4yhzagd76/
Behaviour
Gathers network information
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks computer location settings
AgentTesla
Malware Config
C2 Extraction:
https://api.telegram.org/bot6166695280:AAFYAmHtNxka4VVDE564YnB1MkmT68AnzXY/
Unpacked files
SH256 hash:
5ebccb834beb6f0ac7b5dbfc8953da3c6a7466031da905d6716b7127b54b5c45
MD5 hash:
5c486dcf9457e4cf5eadecefa00a3a6d
SHA1 hash:
58424cc473451268db5a783f1744aebdd433e754
Link:
https://www.unpac.me/results/433dd84f-2b55-4f7d-9dc6-18df11ef01cd/
Malware family:
AgentTesla.v4
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5ebccb834beb/report/overview.html
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: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 5ebccb834beb6f0ac7b5dbfc8953da3c6a7466031da905d6716b7127b54b5c45

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/403957/

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