MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3766102ab28404153273a8bafe4160fe9fa8002ecc14243fc3cafc36ca8c8550. 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: 5


Intelligence 5 IOCs YARA 2 File information Comments

SHA256 hash: 3766102ab28404153273a8bafe4160fe9fa8002ecc14243fc3cafc36ca8c8550
SHA3-384 hash: f52f043b2b83d297f4e412fe01133a832dd82eab05b003323da0e7ee8872ce26273ddceafac1e2a1e1006f13c87ba773
SHA1 hash: 014634652570a9eda14ab0225fe38cdfa2f5a462
MD5 hash: 47097f62905452b72f8c83c5ca3d1259
humanhash: four-king-ten-friend
File name:47097f62905452b72f8c83c5ca3d1259.exe
Download: download sample
Signature AgentTesla
File size:462'336 bytes
First seen:2020-10-28 09:57:01 UTC
Last seen:2020-10-28 12:07:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:ZlzdTZ4rjNxG/i/OfFGr6hE7fTxmJjSQCKcvhemJX111csynCToU:ZV/4rjvGiO9C6hEPxSjSQCKMjX111Hy
TLSH 9CA4AFB23C52587ECA6F0B75156985C0FAB616C73FA48B0DB1AF430C0E15A2BEB53647
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
smtp.yandex.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
88
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% subdirectories
Creating a window
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.evad
Score:
69 / 100
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
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
Sigma detected: Add file from suspicious location to autostart registry
Tries to detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306542 Sample: GcjJ3IAz93.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 69 28 Multi AV Scanner detection for dropped file 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected AgentTesla 2->32 34 5 other signatures 2->34 7 GcjJ3IAz93.exe 8 2->7         started        11 pcalua.exe 1 1 2->11         started        13 pcalua.exe 1 2->13         started        process3 file4 24 C:\Users\user\AppData\Roaming\...\winx.exe, PE32 7->24 dropped 26 C:\Users\user\AppData\...\AgileDotNetRT.dll, PE32 7->26 dropped 38 Tries to detect virtualization through RDTSC time measurements 7->38 15 cmd.exe 1 7->15         started        17 winx.exe 2 7->17         started        signatures5 process6 process7 19 reg.exe 1 1 15->19         started        22 conhost.exe 15->22         started        signatures8 36 Creates an autostart registry key pointing to binary in C:\Windows 19->36
Threat name:
ByteCode-MSIL.Backdoor.Androm
Status:
Malicious
First seen:
2020-10-28 09:37:51 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
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: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.

Web download

AgentTesla

Executable exe 3766102ab28404153273a8bafe4160fe9fa8002ecc14243fc3cafc36ca8c8550

(this sample)

  
Delivery method
Distributed via web download

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