MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04
SHA3-384 hash: 7247aa4f8faea4c1a334877197265f81b2c8845454b51d29861e942e8367d820a18119ca957ca6e41d680b0fa2f40f9b
SHA1 hash: e1fa59975732f319ee3543721946c9bdbddcdd7d
MD5 hash: 50c28ec3b4d36ef6d94c9ee44669d5c6
humanhash: seventeen-hamper-wolfram-fillet
File name:HALKBANK.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'040'832 bytes
First seen:2020-07-07 08:40:37 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:BFpK6zBTMpRn03Pv34Ec5YAl57w4i8EWplkyowza7DcxoGMJu:3pK6DwhiAl57w4RplzDzancx
Threatray 10'738 similar samples on MalwareBazaar
TLSH AD95C53936C25419CD3D0A3188A9A9C2BA717A8B3B05CB5F75CB031C5F03A9F7F5619A
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 45.153.241.46
From: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Reply-To: T. HALK BANKASI<EKSTRE@halkbank.com.tr>
Subject: T.HALK BANKASI A.S. 07.07.2020 Hesap Ekstresi
Attachment: HALKBANK.zip (contains "HALKBANK.exe")

AgentTesla SMTP exfil server:
mail.bunsadokum.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22080/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
Running batch commands
Launching a process
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 08:43:26 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qqsllkdde4sr7e2njzcsnxr5jc4ufqevhkdg7bg6fv53dgs7xqca._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'728 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200707-eaq9jcf4d6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
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 36cbeecf9b07e13dc18d25bed9252b0c40420a9bd0b05629949d6558852a469f

AgentTesla

Executable exe 8424b5a86327251f934d4e4526de3d48b942c0953a866f84de2d7bb19a5fbc04

(this sample)

  
Dropped by
MD5 74d31055f36e18bcc0b52f16482a1b99
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22080/
  
Dropped by
SHA256 36cbeecf9b07e13dc18d25bed9252b0c40420a9bd0b05629949d6558852a469f

Comments