MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 824a3d3b0a9031dcb30a7b73e6b7c9aa4c9296588ab95e932250f5a6fd3158e9. 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 2 File information Comments

SHA256 hash: 824a3d3b0a9031dcb30a7b73e6b7c9aa4c9296588ab95e932250f5a6fd3158e9
SHA3-384 hash: c7911ca4a43701169620f075c5ddaab98cd697192be43c4dd5f2dc21b01f18f4403e524ffd9a96140cf3be51b4db6015
SHA1 hash: 1e6432387ce56b112fd8191f6fb90bf327871ca3
MD5 hash: 79ea90c359534b80cb8153d44c65c311
humanhash: river-march-video-helium
File name:79ea90c359534b80cb8153d44c65c311.exe
Download: download sample
Signature AgentTesla
File size:485'376 bytes
First seen:2020-10-20 12:04:23 UTC
Last seen:2020-10-25 18:15:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:RUi9EJ9wt2L2C1Iz0i1h4L9WwJX2FlizR308qSshf:p4YC1Iz0ikJJ0l8Rk8qSa
Threatray 326 similar samples on MalwareBazaar
TLSH B1A4AFB27D92587EC96E077550A985C1FABA16C73F908B0D71AB430C0F11B2BEB5325B
Reporter abuse_ch
Tags:AgentTesla exe


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

Intelligence


File Origin
# of uploads :
2
# of downloads :
91
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
Creating a file
Running batch commands
Launching a process
Creating a process from a recently created 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:
88 / 100
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Drops PE files to the user root directory
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
Tries to detect virtualization through RDTSC time measurements
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 301017 Sample: Sy68pLP2bJ.exe Startdate: 20/10/2020 Architecture: WINDOWS Score: 88 35 Multi AV Scanner detection for submitted file 2->35 37 Yara detected AgentTesla 2->37 39 .NET source code contains very large array initializations 2->39 41 Machine Learning detection for sample 2->41 7 Sy68pLP2bJ.exe 9 2->7         started        11 pcalua.exe 1 2->11         started        13 pcalua.exe 1 1 2->13         started        process3 file4 27 C:\Users\user\iugsd.exe, PE32 7->27 dropped 29 C:\Users\user\iugsd.exe:Zone.Identifier, ASCII 7->29 dropped 31 C:\Users\user\AppData\...\Sy68pLP2bJ.exe.log, ASCII 7->31 dropped 33 2 other files (none is malicious) 7->33 dropped 51 Drops PE files to the user root directory 7->51 53 Tries to detect virtualization through RDTSC time measurements 7->53 15 cmd.exe 1 7->15         started        17 iugsd.exe 2 7->17         started        19 iugsd.exe 3 11->19         started        signatures5 process6 signatures7 22 reg.exe 1 1 15->22         started        25 conhost.exe 15->25         started        43 Multi AV Scanner detection for dropped file 19->43 45 Machine Learning detection for dropped file 19->45 47 Tries to detect virtualization through RDTSC time measurements 19->47 process8 signatures9 49 Creates an autostart registry key pointing to binary in C:\Windows 22->49
Threat name:
ByteCode-MSIL.Trojan.Tnega
Status:
Malicious
First seen:
2020-10-20 09:08:11 UTC
AV detection:
22 of 28 (78.57%)
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 SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Drops file in Drivers directory
Executes dropped EXE
Unpacked files
SH256 hash:
824a3d3b0a9031dcb30a7b73e6b7c9aa4c9296588ab95e932250f5a6fd3158e9
MD5 hash:
79ea90c359534b80cb8153d44c65c311
SHA1 hash:
1e6432387ce56b112fd8191f6fb90bf327871ca3
SH256 hash:
d6bc1fc4eee9f6517e68663f893be64185659d9a52fe2ddab777b5a5ae61abdf
MD5 hash:
361eb2f7c7da89a081f445e5450754be
SHA1 hash:
9a8b3c4095dd7a01dd5586430ee9d1609ab2fddd
SH256 hash:
30da128eb270e916e739f1f143e1978835fe02d8df70ec0bdc055c1b7d43c9ba
MD5 hash:
3bb97b0a8e2f1bbfdc24217e6479fa56
SHA1 hash:
0726cd392b8cd65c68459f8926fcab6a892c99c3
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 824a3d3b0a9031dcb30a7b73e6b7c9aa4c9296588ab95e932250f5a6fd3158e9

(this sample)

  
Delivery method
Distributed via web download

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