MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84f7bbb691b431355264cf4e815bf32281c00efe34805b47b7e8aef84fbe610e. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 84f7bbb691b431355264cf4e815bf32281c00efe34805b47b7e8aef84fbe610e
SHA3-384 hash: 5b75e7825882d5fed8e46ddd3969f282564de34e090072d705c5a3966924eb40d0f8570ab9fe60def2d1933381bc2b1c
SHA1 hash: 59585bd71bcf196b794b6503fddc43405f9dedcf
MD5 hash: 961b7aea9625d6a84e06f18afd8f4027
humanhash: hotel-romeo-bluebird-nebraska
File name:Document din 40-312296854.exe
Download: download sample
Signature AgentTesla
File size:448'000 bytes
First seen:2020-07-10 11:19:10 UTC
Last seen:2020-07-10 12:10:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:34prORM8U08cyX5Jj9ktU08xhdQkw5tO6E3JL:oprOas8cyJWUdPw5tOJ
Threatray 10'731 similar samples on MalwareBazaar
TLSH A494F1C83AB477AFC5ABD7F1CA205C28A7B13477926BD6125C4321DB4A6DF428F10A53
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cetinturkbilgisayar.com
Sending IP: 213.142.138.130
From: Dorin Carabulea <dorincarabulea@gmail.com>
Subject: Document din 40-312296854
Attachment: Document din 40-312296854.7z (contains "Document din 40-312296854.exe")

AgentTesla SMTP exfil server:
mail.mlibano.com.br:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
83
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
88 / 100
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 244713 Sample: #U0414#U043e#U043a#U0443#U0... Startdate: 10/07/2020 Architecture: WINDOWS Score: 88 30 Found malware configuration 2->30 32 Sigma detected: Scheduled temp file as task from temp location 2->32 34 Yara detected AgentTesla 2->34 36 2 other signatures 2->36 7 #U0414#U043e#U043a#U0443#U043c#U0435#U043d#U0442 #U043e#U0434 38-1800301162.exe 5 2->7         started        process3 file4 22 C:\Users\user\AppData\Local\...\tmp3824.tmp, XML 7->22 dropped 24 C:\Users\user\AppData\...\VEETrpvqChgwu.exe, PE32 7->24 dropped 10 #U0414#U043e#U043a#U0443#U043c#U0435#U043d#U0442 #U043e#U0434 38-1800301162.exe 2 7->10         started        14 schtasks.exe 1 7->14         started        16 #U0414#U043e#U043a#U0443#U043c#U0435#U043d#U0442 #U043e#U0434 38-1800301162.exe 7->16         started        18 #U0414#U043e#U043a#U0443#U043c#U0435#U043d#U0442 #U043e#U0434 38-1800301162.exe 7->18         started        process5 dnsIp6 26 mlibano.com.br 138.128.171.170, 49736, 587 DIMENOCUS United States 10->26 28 mail.mlibano.com.br 10->28 38 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->38 40 Tries to steal Mail credentials (via file access) 10->40 42 Tries to harvest and steal ftp login credentials 10->42 44 Tries to harvest and steal browser information (history, passwords, etc) 10->44 20 conhost.exe 14->20         started        signatures7 process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2020-07-10 11:21:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


The table below shows additional information about this malware sample such as delivery method and external references.

427b2cc60187262db51d3d34e66a7893

AgentTesla

Executable exe 84f7bbb691b431355264cf4e815bf32281c00efe34805b47b7e8aef84fbe610e

(this sample)

  
Dropped by
MD5 427b2cc60187262db51d3d34e66a7893
  
Delivery method
Distributed via e-mail attachment

Comments