MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e68b161747e78a666871a5dc503d39ae7b16718e2546fa7ac9c65b37fd9035eb. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: e68b161747e78a666871a5dc503d39ae7b16718e2546fa7ac9c65b37fd9035eb
SHA3-384 hash: 92715b7c2923396a109b5ddcbea6ab8e8ebcb8153fa6647c457f927853ba6658255940a33404a188a1b4293a22fe182d
SHA1 hash: 9a8d9b231b851659adae0db9679d1862e09c8fa3
MD5 hash: d3c499aaefd43804044651ed3c009fe9
humanhash: cardinal-nevada-kilo-spaghetti
File name:SKM_C3350191107102765.exe
Download: download sample
Signature AgentTesla
File size:45'224 bytes
First seen:2021-03-31 14:09:00 UTC
Last seen:2021-04-01 10:45:25 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:87Zgb2G7anuU1uN9PlkGflnGflvx/FIwJGun51uaRBPULhF:87ZM2G7M/M/P8BPU7
Threatray 94 similar samples on MalwareBazaar
TLSH 5D13FDE84AE945FBE6BDFA709391551E6A20FF772414852B51CE02C7CCC3B922DD062E
Reporter James_inthe_box
Tags:AgentTesla exe signed

Code Signing Certificate

Organisation:PwxVvqgqYlJjHoYw
Issuer:PwxVvqgqYlJjHoYw
Algorithm:sha256WithRSAEncryption
Valid from:2021-03-31T12:23:41Z
Valid to:2022-03-31T12:23:41Z
Serial number: a746f0841b4270484ecede944aaadefd
Thumbprint Algorithm:SHA256
Thumbprint: 358ead7d48aa9deb27a6b3aa167003377f11f0978286f2284f9a2acb4483453f
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence


File Origin
# of uploads :
3
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Creating a file
Moving a recently created file
Launching a process
Creating a process with a hidden window
Sending a UDP request
Creating a file in the Windows subdirectories
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Setting a single autorun event
Adding exclusions to Windows Defender
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.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Changes security center settings (notifications, updates, antivirus, firewall)
Creates an autostart registry key pointing to binary in C:\Windows
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
System process connects to network (likely due to code injection or exploit)
Tries to delay execution (extensive OutputDebugStringW loop)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 379160 Sample: SKM_C3350191107102765.exe Startdate: 31/03/2021 Architecture: WINDOWS Score: 100 57 smtp.vivaldi.net 2->57 65 Found malware configuration 2->65 67 Multi AV Scanner detection for submitted file 2->67 69 Yara detected AgentTesla 2->69 71 2 other signatures 2->71 8 SKM_C3350191107102765.exe 18 12 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 9 other processes 2->17 signatures3 process4 dnsIp5 59 asdcqwdwqx.gq 172.67.160.253, 49705, 49717, 49723 CLOUDFLARENETUS United States 8->59 49 C:\Windows\Resources\Themes\...\svchost.exe, PE32 8->49 dropped 51 C:\Windows\...\svchost.exe:Zone.Identifier, ASCII 8->51 dropped 53 C:\Users\...\SKM_C3350191107102765.exe.log, ASCII 8->53 dropped 55 C:\Users\user\AppData\...\rbvbqdim.newcfg, XML 8->55 dropped 73 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 8->73 75 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->75 77 Creates an autostart registry key pointing to binary in C:\Windows 8->77 87 3 other signatures 8->87 19 powershell.exe 25 8->19         started        21 powershell.exe 19 8->21         started        23 powershell.exe 8->23         started        25 SKM_C3350191107102765.exe 8->25         started        79 System process connects to network (likely due to code injection or exploit) 13->79 81 Multi AV Scanner detection for dropped file 13->81 83 Machine Learning detection for dropped file 13->83 27 powershell.exe 13->27         started        29 powershell.exe 13->29         started        31 powershell.exe 13->31         started        61 127.0.0.1 unknown unknown 17->61 63 192.168.2.1 unknown unknown 17->63 85 Changes security center settings (notifications, updates, antivirus, firewall) 17->85 33 MpCmdRun.exe 17->33         started        file6 signatures7 process8 process9 35 conhost.exe 19->35         started        37 conhost.exe 21->37         started        39 conhost.exe 23->39         started        41 conhost.exe 27->41         started        43 conhost.exe 29->43         started        45 conhost.exe 31->45         started        47 conhost.exe 33->47         started       
Threat name:
ByteCode-MSIL.Trojan.Generic
Status:
Suspicious
First seen:
2021-03-31 13:54:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
15 of 28 (53.57%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla evasion keylogger persistence spyware stealer trojan
Behaviour
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
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
Unpacked files
SH256 hash:
e68b161747e78a666871a5dc503d39ae7b16718e2546fa7ac9c65b37fd9035eb
MD5 hash:
d3c499aaefd43804044651ed3c009fe9
SHA1 hash:
9a8d9b231b851659adae0db9679d1862e09c8fa3
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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

  
Delivery method
Other

Comments