MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26f03b0f270bdb51777289d0e2e0765ce78cd3964df9f7ab8aa8f997ec0c32ca. 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 1

SHA256 hash: 26f03b0f270bdb51777289d0e2e0765ce78cd3964df9f7ab8aa8f997ec0c32ca
SHA3-384 hash: 93d3e857b87e167bb890f87f2ae1dce394b5c7539cd7d7d6e153d529f430ae6166bd284d085d3d7c8e652f311e472caa
SHA1 hash: 0589f40264cf8b240900dca5260db8df2c87d3a7
MD5 hash: a8a6aafd3fc93d6625c7c54496e6869e
humanhash: fillet-lactose-single-glucose
File name:a8a6aafd3fc93d6625c7c54496e6869e
Download: download sample
Signature AgentTesla
File size:774'656 bytes
First seen:2022-07-19 19:08:03 UTC
Last seen:2022-07-19 21:37:38 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'207 x SnakeKeylogger)
ssdeep 12288:EAuWEBN/zMIQjELkF3NsOIj6KahGx28INWb2gb3IU3ScaFlSNS:Jg9JGELZIGxrINO9VaQS
TLSH T16CF4231932A5BA4AD77C0E7F28668085957F9696347BF3CEFD0093EE26433824A53317
TrID 64.2% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.5% (.SCR) Windows screen saver (13101/52/3)
9.2% (.EXE) Win64 Executable (generic) (10523/12/4)
5.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.9% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
298
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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 very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, 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)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 669276 Sample: j4jlFy6c2E Startdate: 19/07/2022 Architecture: WINDOWS Score: 100 42 Malicious sample detected (through community Yara rule) 2->42 44 Antivirus detection for URL or domain 2->44 46 Antivirus / Scanner detection for submitted sample 2->46 48 7 other signatures 2->48 7 j4jlFy6c2E.exe 4 2->7         started        11 YLHLep.exe 2 2->11         started        13 YLHLep.exe 1 2->13         started        process3 file4 30 C:\Users\user\AppData\...\j4jlFy6c2E.exe.log, ASCII 7->30 dropped 50 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 7->50 52 Writes to foreign memory regions 7->52 54 Adds a directory exclusion to Windows Defender 7->54 56 Injects a PE file into a foreign processes 7->56 15 RegSvcs.exe 17 4 7->15         started        20 powershell.exe 25 7->20         started        22 conhost.exe 11->22         started        24 conhost.exe 13->24         started        signatures5 process6 dnsIp7 32 ftp.artrsllc.com 107.161.178.166, 21, 49759 DIMENOCUS United States 15->32 28 C:\Users\user\AppData\Roaming\...\YLHLep.exe, PE32 15->28 dropped 34 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 15->34 36 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 15->36 38 Tries to steal Mail credentials (via file / registry access) 15->38 40 5 other signatures 15->40 26 conhost.exe 20->26         started        file8 signatures9 process10
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-07-19 19:09:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
56
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
2c2082d6f7c769465c70fae3743205a4fcbca3084a59fcc28fbf020ea1751538
MD5 hash:
5e13207a5522c6e5d8f3b8119bc2d5f6
SHA1 hash:
116df6c3735b44a2b03632bf4a1967fb207bbfa5
SH256 hash:
a408ea5a8e02be454b96ce4d6219cbbd3b753253a2c488987c611327133db21e
MD5 hash:
e4a9066b15dc978b24aefa93ed88d00c
SHA1 hash:
6c4991314b391a8919eb1213bdd7c4dbab2c5700
SH256 hash:
f6d1cda2efe2622064025631b2a1ee8e5bdc057798de203ed5841916e662b4a1
MD5 hash:
fb7cc194309b03e66b160fe20f371762
SHA1 hash:
7b6fe95b9b6af1328d43ef9fff27919d807b9c47
SH256 hash:
39c2d879c57f07305ce60412dc8a88f02e51f1a14a06cc605768d1d7f5313807
MD5 hash:
db51fe170a9e5d6ec5429a2fbd9d0353
SHA1 hash:
e30a58125fc41322db6cf2ccb6a6d414ed379016
SH256 hash:
664723f55237e2d14b39938878fd0a3744cc808d4d3e67e22f1bcbd410960557
MD5 hash:
3249773213e0a41ed4d49174ad651f28
SHA1 hash:
ea66ce709134e2e5dfdb83e08dc95540b98003bd
SH256 hash:
26f03b0f270bdb51777289d0e2e0765ce78cd3964df9f7ab8aa8f997ec0c32ca
MD5 hash:
a8a6aafd3fc93d6625c7c54496e6869e
SHA1 hash:
0589f40264cf8b240900dca5260db8df2c87d3a7
Malware family:
AgentTesla.v3
Verdict:
Malicious
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 26f03b0f270bdb51777289d0e2e0765ce78cd3964df9f7ab8aa8f997ec0c32ca

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-07-19 19:08:14 UTC

url : hxxp://192.227.158.100/tue/tue.exe