MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89d0ab4d71e3f671f3313901eb7af21702ae556f9f6ae451f141195725f893a1. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89d0ab4d71e3f671f3313901eb7af21702ae556f9f6ae451f141195725f893a1
SHA3-384 hash: a0591576f7199b5b7866941ca375aa48830aedf6bddea76c302db4037e6eb2c3cc77c42bb774d5a7cf405e5ebceb557f
SHA1 hash: c99e3ecde7653820426a22b0c1699133bcdc8444
MD5 hash: 18d499ee965898dc417e1c6a37de7455
humanhash: oxygen-missouri-summer-bakerloo
File name:TT copy.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:483'840 bytes
First seen:2020-05-12 14:35:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ufVE1zx/bkdj6IFaUPx0Rrjh8x+i7GLcZxjB8eVIZ+:VtbIAUPvvZInk
Threatray 10'805 similar samples on MalwareBazaar
TLSH F2A4F11B768CBA07CBDE44FFA090157187B853357287FB865CD288DE12D6BC22289D5B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: fw6a.wadns.net
Sending IP: 41.185.81.144
From: Xiamen<sales15@163.com>
Reply-To: <emilianaitaly@gmail.com>
Subject: RE:Payment Copy from the bank for our last order
Attachment: TT copy.zip (contains "TT copy.exe")

AgentTesla SMTP exfil server:
mail.fakly-cambodia.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 12:59:33 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
30 of 48 (62.50%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rhikwtlr4p3hd4zrhea6w6xsc4bk4vlpt5voiupriemvojpysoqq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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eed00acb5b2bd676ab5ae74611ed880e6ef40d855d401ce9a938d5700f2b1de1
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eeed4aadeffa7f48a450e56daf3b604a46698ad3deaaaa1c12a9cf14f7ae1be1
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f982ec93d003591286335c98074fdbe2054d603de5211af961c670f50ac3437d
AgentTesla
+ 10'795 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity evasion keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-96dsgwmsxe/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies service
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
rezer0
AgentTesla
CoreEntity .NET Packer
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Create hunting rule
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.

Malspam

AgentTesla

zip 20d71bfff3c6f4109aab41922c346c6d05179a8fbefff9d130b6ceda25a8bbdf

AgentTesla

Executable exe 89d0ab4d71e3f671f3313901eb7af21702ae556f9f6ae451f141195725f893a1

(this sample)

  
Dropped by
MD5 bbf99660f551314848b0c42ca8c4c014
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 20d71bfff3c6f4109aab41922c346c6d05179a8fbefff9d130b6ceda25a8bbdf

Comments