MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4251133ebe04bf0de34a7a1972342c77442942a4c2417f28c56145b2ee9ad451. 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: 4251133ebe04bf0de34a7a1972342c77442942a4c2417f28c56145b2ee9ad451
SHA3-384 hash: 89f04e74ca9834c66422f04731de87df80251ee57f30f3fb2d348fecfb5470b636be8b0ee44b6bc153a8b7ce0e4df0e4
SHA1 hash: 2ea427e89b5b64a32c8772f86569c3f9b7c7c8a3
MD5 hash: 502ac4e9127c94c92a0913e3cdd37f5a
humanhash: early-sweet-hotel-ohio
File name:vacBUxrv9FKnt4V.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:832'512 bytes
First seen:2020-06-03 10:10:17 UTC
Last seen:Never
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:nDf0twij5Z3preeCOmi55eVZ6Pb7MQdrCUBsg0oxiKOp98zEsB2C:q5eVZ61drCUBsg0oP6Md2C
TLSH 6A056EA532D9D629EFF69F79C4C0101891B1EC63E88A6A65B4F6734612F7FD00127B83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: ns10.metro.net.bd
Sending IP: 103.36.103.54
From: noreply@dhl.com
Subject: Re: Notificare de expediere DHL: 36479********
Attachment: AWB 364793208231.001 (contains "vacBUxrv9FKnt4V.exe")

AgentTesla SMTP exfil server:
mail.prismindia.in:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
68
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.Autorun
Create hunting rule
Status:
Malicious
First seen:
2020-06-03 09:01:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
25
AV detection:
31 of 48 (64.58%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ijirgpv6as7q3y2kpimxenbmo5ccsqveyjax6kgfmfc3f3u22riq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201109-a6hz1d18zx/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Modifies service
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 Payload
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
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

rar 3e90a96f5d05840e50046cc9f1f47c32bf9858a4e2c708cecd1113a93eb25043

AgentTesla

Executable exe 4251133ebe04bf0de34a7a1972342c77442942a4c2417f28c56145b2ee9ad451

(this sample)

  
Dropped by
MD5 07b17e20bbb57bb1674b220f5f12874d
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 3e90a96f5d05840e50046cc9f1f47c32bf9858a4e2c708cecd1113a93eb25043

Comments