MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a4aaa67bb04e7c5538c0759f01a6db3c11b004415b5bd5c31bd3a93806bc575. 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: 5a4aaa67bb04e7c5538c0759f01a6db3c11b004415b5bd5c31bd3a93806bc575
SHA3-384 hash: 28672ead03e632299ae966ab95f4dd10d14899fe3489c2e651f062e78f327b09348a2366a1227c846c23a9ac506876d4
SHA1 hash: 78ceb7189627c6ffa2c96083dc7236773662b955
MD5 hash: 9ae3aaa8789c76823b07703c54ee4e5f
humanhash: equal-quebec-three-low
File name:Halkbank_Ekstre_20200617_074852_956489,pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:437'248 bytes
First seen:2020-06-18 06:22:13 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 12288:fc6eTRcCMnmYNtqT42ZjB0U/zeg70ldR1eisLlR:k6KzMnmQ0nhBdeBdvLsLl
Threatray 10'688 similar samples on MalwareBazaar
TLSH 6694F1067698C706C52A1B7EC0EA551003B96A663B33D71EBFC473AC1D637E3690678B
Reporter abuse_ch
Tags:AgentTesla exe geo Halkbank TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: halkbank.com.tr
Sending IP: 156.96.45.138
From: HALKBANK.E-EKSTRE@halkbank.com.tr
Subject: T.HALK BANKASI A.S. 01.06.2020 - 18.06.2020 Hesap Ekstresi
Attachment: Halkbank_Ekstre_20200617_074852_956489,pdf.z (contains "Halkbank_Ekstre_20200617_074852_956489,pdf.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
85
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/19687/
Detection(s):
SecuriteInfo.com.FakeAlert.9060.1798.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-06-18 06:24:06 UTC
AV detection:
20 of 27 (74.07%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ljfkuz53att4ku4ma5m7agtnwparwacecw232xbrxu5jhadlyv2q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'678 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200624-fxmbj7pdbj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Drops file in Drivers directory
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

zip 892eb50f08641250372ad18425767b10782956761a037a113d775c13cd17f4d1

AgentTesla

Executable exe 5a4aaa67bb04e7c5538c0759f01a6db3c11b004415b5bd5c31bd3a93806bc575

(this sample)

  
Dropped by
MD5 6632f54800c0d13ae7ad614ad48d4c8a
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 892eb50f08641250372ad18425767b10782956761a037a113d775c13cd17f4d1
Cape
Cape
https://www.capesandbox.com/analysis/19687/

Comments