MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5625e5bd375d6e8a6584b960c3e152623ad56531937c26d38132253dce03311f. 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: 5625e5bd375d6e8a6584b960c3e152623ad56531937c26d38132253dce03311f
SHA3-384 hash: 7c8638fb1bd3229943277985a4264754d6ce7b238f9718190e56ae5d84582f90e50d29fdc4664ce6eb551e02463b460c
SHA1 hash: 8345fc2e809d6ed61aa7acb116cdcc1a2b80f910
MD5 hash: dbe5bc4369fab960e3f4eddf19697b61
humanhash: orange-colorado-october-fix
File name:efs-specialist.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:639'488 bytes
First seen:2020-05-11 14:38:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:jrHxKtZcUeVRPzY4RJrIV5vSuZmq/EPNpOvWKXj/+8:j9KXc/tzYqJrIzSAUuWAb+
Threatray 10'728 similar samples on MalwareBazaar
TLSH DED4BE4122AC17A5E87997F458B1A450C7B2BE2B79B8E35E4D9630CA17F3F81C841F27
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: fwd-out.cmp.livemail.co.uk
Sending IP: 213.171.216.210
From: sales <irgen@efs-specialist.co.uk>
Reply-To: irgen@efs-specialist.co.uk
Subject: New Order inqiury
Attachment: efs-specialist.img (contains "efs-specialist.exe")

AgentTesla SMTP exfil server:
business43.web-hosting.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-12 01:45:38 UTC
AV detection:
24 of 31 (77.42%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kys6lpjxlvxiuzmexfqmhyksmi5nkzjrsn6cnu4bgist3tqdgepq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'718 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
coreentity rezer0 family:agenttesla keylogger spyware stealer trojan
Link:
https://tria.ge/reports/201109-39tv4qtc4n/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
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
rezer0
AgentTesla Payload
CoreEntity .NET Packer
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

img 421af913ce96aac2aa5756219a5c6c2aba60d1db425320dab8e1c5c18ee0933e

AgentTesla

Executable exe 5625e5bd375d6e8a6584b960c3e152623ad56531937c26d38132253dce03311f

(this sample)

  
Dropped by
MD5 918db61c740aaa62831c58c10f782462
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 421af913ce96aac2aa5756219a5c6c2aba60d1db425320dab8e1c5c18ee0933e

Comments