MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfce6aa3ec92c16510c461f26b9221daf14aaa4e664e3336e3511cf3b9fb19a4. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: bfce6aa3ec92c16510c461f26b9221daf14aaa4e664e3336e3511cf3b9fb19a4
SHA3-384 hash: 492e7a575fee7a9973435c5aa1b9397d099849880aea724bd14bcfb78973031db7bf709fe76d4d2378ec82be7bd98507
SHA1 hash: 47cf7b20c46705f5a16da1e45f3b3c69dae090a9
MD5 hash: f0c14e678abcb5c2a5b2ad30cdca8b38
humanhash: illinois-finch-king-ohio
File name:f0c14e678abcb5c2a5b2ad30cdca8b38.exe
Download: download sample
Signature AgentTesla
File size:642'048 bytes
First seen:2021-04-15 15:56:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:R/Mpk4KqEdCBIzLxzziMCMtns/pgXa4XR+2+:RUuPqE863xf0eXaERc
Threatray 3'960 similar samples on MalwareBazaar
TLSH 8AD4E0E4270AD72CD968AB79144541E133E37C01A6D9CBD47EC43D9E782B642C2EF2B6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

AgentTesla SMTP exfil email address:
nd@express-fj.icu

Intelligence


File Origin
# of uploads :
1
# of downloads :
93
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
5f38aa7873d7604f007f8e9bcab639fd1d6a2b1050dd8afd2c6114c7db1d1261
Verdict:
Malicious activity
Analysis date:
2021-04-14 06:25:53 UTC
Tags:
generated-doc opendir exploit CVE-2017-11882 loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 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
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 388621 Sample: 01IUARYxrL.exe Startdate: 16/04/2021 Architecture: WINDOWS Score: 100 28 prda.aadg.msidentity.com 2->28 30 clientconfig.passport.net 2->30 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Found malware configuration 2->46 48 Multi AV Scanner detection for submitted file 2->48 50 4 other signatures 2->50 7 01IUARYxrL.exe 3 2->7         started        11 nd.exe 3 2->11         started        13 nd.exe 2 2->13         started        signatures3 process4 file5 26 C:\Users\user\AppData\...\01IUARYxrL.exe.log, ASCII 7->26 dropped 52 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->52 54 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->54 56 Injects a PE file into a foreign processes 7->56 15 01IUARYxrL.exe 2 9 7->15         started        58 Multi AV Scanner detection for dropped file 11->58 20 nd.exe 2 11->20         started        signatures6 process7 dnsIp8 32 us2.smtp.mailhostbox.com 208.91.199.223, 49762, 49763, 49764 PUBLIC-DOMAIN-REGISTRYUS United States 15->32 34 192.168.2.1 unknown unknown 15->34 22 C:\Users\user\AppData\Local\Temp\nd\nd.exe, PE32 15->22 dropped 24 C:\Users\user\...\nd.exe:Zone.Identifier, ASCII 15->24 dropped 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->36 38 Tries to steal Mail credentials (via file access) 15->38 40 Tries to harvest and steal ftp login credentials 15->40 42 3 other signatures 15->42 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-04-13 16:39:18 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
5e0f3da625a479a5e7e807b5f09c889d95474139410b312ba3a39bcb05976729
MD5 hash:
3d20c2ea9ac04e1707f853bb1780bc18
SHA1 hash:
805e90b023eb92d44bbe11daefce6edbe872cb74
SH256 hash:
bfce6aa3ec92c16510c461f26b9221daf14aaa4e664e3336e3511cf3b9fb19a4
MD5 hash:
f0c14e678abcb5c2a5b2ad30cdca8b38
SHA1 hash:
47cf7b20c46705f5a16da1e45f3b3c69dae090a9
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Web download

AgentTesla

Executable exe bfce6aa3ec92c16510c461f26b9221daf14aaa4e664e3336e3511cf3b9fb19a4

(this sample)

  
Delivery method
Distributed via web download

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