MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b23b16b95e108a322540588bcc3a36124ee12dea5d94f754dbc112395baebf67. 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: b23b16b95e108a322540588bcc3a36124ee12dea5d94f754dbc112395baebf67
SHA3-384 hash: 0c157afdf9adfe2a18bbc440e489e2d7858f5792b0ca2b045916502d86da6fc3926de3ab7f0b862e870eab0ca899c37a
SHA1 hash: 006b8f88a804385b2b4d9c8090885cdd936a56a2
MD5 hash: 2a8ecefa3972ea8cff2d2e4221acafc3
humanhash: spaghetti-indigo-alanine-burger
File name:USD132,450.00-pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:704'512 bytes
First seen:2020-05-14 05:51:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1e4b6b1798d0c6be9e09f9012364ba1c (6 x AgentTesla, 3 x FormBook, 2 x Loki)
ssdeep 12288:HwFPGxJDbawx1fVc+yjaUP6tplMw797fCbVPcPEvWpX4CylT6OBs0YS8hVtL:HwNMJ6wBuTMlM8JYOPEvWpX4FsPx
Threatray 11'728 similar samples on MalwareBazaar
TLSH 82E4AF26F2D14C32C16215388D5B5B6C9C36BE10392B9D46EBF82D4DAF3778139E6293
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: box.dysonservicecentre.uk
Sending IP: 104.168.136.232
From: Mr. Yan <mail01@dysonservicecentre.uk>
Subject: 腾达付款申请USD132,450.00-pdf
Attachment: USD132,450.00-pdf.rar (contains "USD132,450.00-pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
82
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Adware.Generic4.AANW.UNOFFICIAL
Create hunting rule

PUA.Win.Packer.BorlandDelphi-15
Create hunting rule

PUA.Win.Adware.Slugin-6803969-0
Create hunting rule

PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Injector
Create hunting rule
Status:
Malicious
First seen:
2020-05-14 02:36:00 UTC
File Type:
PE (Exe)
Extracted files:
319
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wi5rnok6ccfdejkalcf4yorwcjhoclpklwkpovg3yejdsw5ox5tq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
hawkeyekeylogger
Create hunting rule
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72c3b679958adce95f47dc623364df9be7e0b24ce6a80f4c5068dfab091a1937
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a7b91c9ac03af36608c0caafaf6e79025dbfdaf1ea6d4a57346aa812712d14b8
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AgentTesla
+ 11'718 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan upx
Link:
https://tria.ge/reports/201109-lfkmc3fg2e/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
UPX packed file
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 52c279fcbe4d25d60a1254db8a31685e96d5a5fef2e08fe4e3af7ef1b37316c5

AgentTesla

Executable exe b23b16b95e108a322540588bcc3a36124ee12dea5d94f754dbc112395baebf67

(this sample)

  
Dropped by
MD5 cb087c22ca586b5010c72ca531c75e29
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 52c279fcbe4d25d60a1254db8a31685e96d5a5fef2e08fe4e3af7ef1b37316c5

Comments