MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f3caefce2530518144bab9f75c4489f84b0fdacbebdc953ac41a73c95356f44. 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: 14


Intelligence 14 IOCs YARA 2 File information Comments 1

SHA256 hash: 8f3caefce2530518144bab9f75c4489f84b0fdacbebdc953ac41a73c95356f44
SHA3-384 hash: a5c08787d4a8e32fc8e5b026e1a1d4a34561ee4e9e3f618fa05b6caf4fda01d02fdeb026083f64276c234374e47914d2
SHA1 hash: cb50f6d1378d9758df4eacc0429ce0be5590d059
MD5 hash: 2ec62585dc5fe2280c21a2ea50aff63e
humanhash: fourteen-august-yankee-yellow
File name:2ec62585dc5fe2280c21a2ea50aff63e
Download: download sample
Signature AgentTesla
File size:906'752 bytes
First seen:2022-10-19 03:31:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 12288:DICYcoOXmtNpwYwSKe84gUNtMwZnifTn+LC5qPIBqGqVke3sXe:Dxmt+ctMInifTqmqPIUIe3sX
Threatray 20'972 similar samples on MalwareBazaar
TLSH T15115E17E315B9E22C7098677C0CB940453BB9A578673E64A294000E56E367FBFE07B4B
TrID 61.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.0% (.SCR) Windows screen saver (13101/52/3)
8.8% (.EXE) Win64 Executable (generic) (10523/12/4)
5.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f72e98b1b9dccecf (17 x AgentTesla, 16 x SnakeKeylogger, 3 x Formbook)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
2ec62585dc5fe2280c21a2ea50aff63e
Verdict:
Malicious activity
Analysis date:
2022-10-19 06:00:28 UTC
Tags:
agenttesla

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

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker packed
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 method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
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 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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 725801 Sample: 1hSFN2b6x4.exe Startdate: 19/10/2022 Architecture: WINDOWS Score: 100 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 6 other signatures 2->47 6 sYEatj.exe 3 2->6         started        9 1hSFN2b6x4.exe 3 2->9         started        12 sYEatj.exe 2 2->12         started        process3 file4 49 Multi AV Scanner detection for dropped file 6->49 51 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->51 53 May check the online IP address of the machine 6->53 55 Machine Learning detection for dropped file 6->55 14 sYEatj.exe 14 3 6->14         started        27 C:\Users\user\AppData\...\1hSFN2b6x4.exe.log, ASCII 9->27 dropped 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 9->57 18 1hSFN2b6x4.exe 17 6 9->18         started        21 1hSFN2b6x4.exe 9->21         started        signatures5 process6 dnsIp7 29 208.91.199.225, 49707, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->29 31 52.20.78.240, 443, 49706 AMAZON-AESUS United States 14->31 33 api.ipify.org 14->33 59 Tries to harvest and steal ftp login credentials 14->59 61 Tries to harvest and steal browser information (history, passwords, etc) 14->61 35 us2.smtp.mailhostbox.com 208.91.199.223, 49705, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->35 37 api.ipify.org.herokudns.com 3.232.242.170, 443, 49704 AMAZON-AESUS United States 18->37 39 2 other IPs or domains 18->39 23 C:\Users\user\AppData\Roaming\...\sYEatj.exe, PE32 18->23 dropped 25 C:\Users\user\...\sYEatj.exe:Zone.Identifier, ASCII 18->25 dropped 63 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->63 65 Tries to steal Mail credentials (via file / registry access) 18->65 67 Hides that the sample has been downloaded from the Internet (zone.identifier) 18->67 file8 signatures9
Threat name:
ByteCode-MSIL.Spyware.SnakeLogger
Status:
Malicious
First seen:
2022-10-18 19:41:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
17 of 26 (65.38%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
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
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
478cc7a3ca906be9888f29fc06e959e7de7f760cda070ea35297ad3b7a6f82d3
MD5 hash:
6699d351aac54bf811c91be5fed16e71
SHA1 hash:
a66e053f8e88bb8c15d643d095acd21a8bc6d5e8
SH256 hash:
26eac1bd03810d0fc1960cf1f8d1004039f7b2405cf0a049a6f76ab67d9ddb6c
MD5 hash:
9bca07d9165754054b9a297613bb1973
SHA1 hash:
9709a941fc41e56f02d76480643b6a60c3aca368
SH256 hash:
f8ec7cd87534c5dbcab498236a87651089922814ca84c9ed1d35d214c65991d4
MD5 hash:
43151aef2dd2a5c81b6af788c1286c9d
SHA1 hash:
888618b0e8abef6f4c7df3136c43097765aa61f1
SH256 hash:
1ddf9b9d7aae80e204e1c87099b1cb47f02b44b2cc6b9a013f9da62a3efda730
MD5 hash:
948912736fd0ffa867b80d728a5c8310
SHA1 hash:
1958cdf7ad67cb6bf9e3afb9cc042427aa168cfb
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
SH256 hash:
8f3caefce2530518144bab9f75c4489f84b0fdacbebdc953ac41a73c95356f44
MD5 hash:
2ec62585dc5fe2280c21a2ea50aff63e
SHA1 hash:
cb50f6d1378d9758df4eacc0429ce0be5590d059
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
Rule name:Skystars_Malware_Imphash
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 8f3caefce2530518144bab9f75c4489f84b0fdacbebdc953ac41a73c95356f44

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-10-19 03:31:25 UTC

url : hxxp://104.168.46.107/79/vbc.exe