MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f64e7c948ce8b84897f8ea96a9e0e7662359e9820ffb24f45489a1db2c8178fb. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments

SHA256 hash: f64e7c948ce8b84897f8ea96a9e0e7662359e9820ffb24f45489a1db2c8178fb
SHA3-384 hash: 9ad8feb55f1f937fb47c030e472739f8f6145e4580e128503c17b52f625256ccf6474af5333b38f2df788b924274b472
SHA1 hash: fb8ec2a1997b0de52fb375a7172fcd66c80d24be
MD5 hash: 6e769eec6517b2dbfd1dab84e7220338
humanhash: shade-tennessee-double-michigan
File name:Purchase Order.exe
Download: download sample
Signature AgentTesla
File size:1'523'200 bytes
First seen:2022-01-09 11:17:24 UTC
Last seen:2022-01-10 13:39:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:qzB0ESBKYbAcnBdnWynWNTxHit9sTjbpnN9T32NzObA3V5EMBAyTq2dN:qzajsYE6BdfnWN9KsTjbpnNB32NzBTBP
Threatray 13'657 similar samples on MalwareBazaar
TLSH T18165BE1473B98B2AE6BE47B5B4300E1557F2F815B7BBEB8D1908DAA61DA334149403F3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order.exe
Verdict:
Suspicious activity
Analysis date:
2022-01-09 11:20:51 UTC
Tags:
n/a

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

Behaviour
Adding an access-denied ACE
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Forced shutdown of a system process
Adding exclusions to Windows Defender
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Contains functionality to register a low level keyboard hook
Drops PE files with benign system names
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
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)
Sigma detected: Bypass UAC via CMSTP
Sigma detected: Microsoft Workflow Compiler
Sigma detected: Powershell Defender Exclusion
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 549755 Sample: Purchase Order.exe Startdate: 09/01/2022 Architecture: WINDOWS Score: 100 46 api.telegram.org 2->46 52 Yara detected UAC Bypass using CMSTP 2->52 54 Yara detected AgentTesla 2->54 56 Yara detected Telegram RAT 2->56 58 11 other signatures 2->58 8 Purchase Order.exe 4 6 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 2->14         started        16 10 other processes 2->16 signatures3 process4 file5 40 C:\Program Files\Common Files\...\svchost.exe, PE32 8->40 dropped 72 Adds a directory exclusion to Windows Defender 8->72 18 InstallUtil.exe 8->18         started        22 powershell.exe 23 8->22         started        24 powershell.exe 25 8->24         started        26 powershell.exe 24 8->26         started        42 C:\Windows\Temp\uxtjfuhp.inf, Windows 12->42 dropped 74 Writes to foreign memory regions 12->74 76 Allocates memory in foreign processes 12->76 78 Injects a PE file into a foreign processes 12->78 28 AddInProcess32.exe 12->28         started        30 cmstp.exe 12->30         started        32 DataSvcUtil.exe 12->32         started        44 C:\Windows\Temp\h4gbux0p.inf, Windows 14->44 dropped 80 Changes security center settings (notifications, updates, antivirus, firewall) 16->80 signatures6 process7 dnsIp8 48 api.telegram.org 149.154.167.220, 443, 49781, 49782 TELEGRAMRU United Kingdom 18->48 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->60 62 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 18->62 64 Tries to steal Mail credentials (via file / registry access) 18->64 70 3 other signatures 18->70 34 conhost.exe 22->34         started        36 conhost.exe 24->36         started        38 conhost.exe 26->38         started        66 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 28->66 68 Tries to harvest and steal ftp login credentials 28->68 50 192.168.2.1 unknown unknown 30->50 signatures9 process10
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-09 10:57:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
20 of 28 (71.43%)
Threat level:
  5/5
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
Drops file in Program Files directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
AgentTesla Payload
AgentTesla
Windows security bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot2081699912:AAEzV3q3VjR4t3322t8vefpFLkMbp3ETawA/sendDocument
Unpacked files
SH256 hash:
f64e7c948ce8b84897f8ea96a9e0e7662359e9820ffb24f45489a1db2c8178fb
MD5 hash:
6e769eec6517b2dbfd1dab84e7220338
SHA1 hash:
fb8ec2a1997b0de52fb375a7172fcd66c80d24be
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
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.

Malspam

AgentTesla

Executable exe f64e7c948ce8b84897f8ea96a9e0e7662359e9820ffb24f45489a1db2c8178fb

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments