MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4218efc02631e4e9817f6fc7f6ba0094a1d35c1ae7aea12c694f4c3c1066e123. 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 7 File information Comments

SHA256 hash: 4218efc02631e4e9817f6fc7f6ba0094a1d35c1ae7aea12c694f4c3c1066e123
SHA3-384 hash: 1e189934427029fe037e614fd77f7bdb291808f80245676d4d7fd50398a169c2fccce02eec7497071bc33d4782a08a48
SHA1 hash: 05ba7a318b03e5a7411811707c7718f92c6d26fa
MD5 hash: 40859baad1f64df90689fc6bc0956bf4
humanhash: kansas-missouri-virginia-twelve
File name:Swift-Copy.pdf.exe
Download: download sample
Signature AgentTesla
File size:539'648 bytes
First seen:2022-04-01 11:28:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:d5beFpWqFbNJM2VG6AFELEqdgcJDJl2Is1VzCq0OUzRh/BSazQCtJC+93Ke1S:fcWCM2VGXQHb2ICQ/q
Threatray 15'636 similar samples on MalwareBazaar
TLSH T187B47CAEF2F47ADFC84BC07199581C69BE5078A7630B8503E11711A9DA4EAD7CF143A3
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
247
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
control.exe obfuscated 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.adwa.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)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts 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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
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 steal Mail credentials (via file / registry access)
Uses an obfuscated file name to hide its real file extension (double extension)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 601427 Sample: Swift-Copy.pdf.exe Startdate: 01/04/2022 Architecture: WINDOWS Score: 100 39 shekharlogistics.com 2->39 41 mail.shekharlogistics.com 2->41 51 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 9 other signatures 2->57 9 Swift-Copy.pdf.exe 6 2->9         started        13 tKZVPq.exe 1 2->13         started        15 tKZVPq.exe 2 2->15         started        signatures3 process4 file5 33 C:\Users\user\AppData\...\begRnmbvJH.exe, PE32 9->33 dropped 35 C:\Users\user\AppData\Local\...\tmpF796.tmp, XML 9->35 dropped 37 C:\Users\user\...\Swift-Copy.pdf.exe.log, ASCII 9->37 dropped 59 Uses schtasks.exe or at.exe to add and modify task schedules 9->59 61 Writes to foreign memory regions 9->61 63 Injects a PE file into a foreign processes 9->63 17 RegSvcs.exe 2 4 9->17         started        21 schtasks.exe 1 9->21         started        23 conhost.exe 13->23         started        signatures6 process7 file8 29 C:\Users\user\AppData\Roaming\...\tKZVPq.exe, PE32 17->29 dropped 31 C:\Windows\System32\drivers\etc\hosts, ASCII 17->31 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->43 45 Tries to steal Mail credentials (via file / registry access) 17->45 47 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->47 49 4 other signatures 17->49 25 conhost.exe 21->25         started        signatures9 process10 process11 27 conhost.exe 25->27         started       
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-01 11:29:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
Checks computer location settings
Drops file in Drivers directory
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
e4a5b2ca6eebe557b73f151bd5cee467c0f08d51692eb2a43b590ad641943895
MD5 hash:
573cb267cae3dd08daf24665b2996ff2
SHA1 hash:
e55cf543c3c2c8469c530812daf28824a47b8268
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
4218efc02631e4e9817f6fc7f6ba0094a1d35c1ae7aea12c694f4c3c1066e123
MD5 hash:
40859baad1f64df90689fc6bc0956bf4
SHA1 hash:
05ba7a318b03e5a7411811707c7718f92c6d26fa
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:ach_AgentTesla_test
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: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 4218efc02631e4e9817f6fc7f6ba0094a1d35c1ae7aea12c694f4c3c1066e123

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

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