MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c77f6f00489f6a1270a3e1f783f53d9eb710f2ca615ab8f98dae03ea036794cf. 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: c77f6f00489f6a1270a3e1f783f53d9eb710f2ca615ab8f98dae03ea036794cf
SHA3-384 hash: 8b2b462c75494e89ecf0988c4bc30ce3e29eb38ebf18ade5f1b99340f5aea5494b878b4285701fa80ce0a71b9b3ca041
SHA1 hash: e54cc3b6455849ae037937e46e83c6934ee69573
MD5 hash: cb16b2a3c36ee406f5519a17a346ef1c
humanhash: leopard-bacon-uncle-william
File name:Akbank Hesap Özetiniz.pdf.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:504'320 bytes
First seen:2020-05-11 14:51:29 UTC
Last seen:2020-05-11 16:10:56 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:m7FMfSMG3b4mSiqzj4dVpm9JHEnTziFHS85ME6gWd8dz651Prw41+GxEsc3zNYh+:m7GTQb4Yoc8unTzSu33vPr6GxEz
Threatray 10'625 similar samples on MalwareBazaar
TLSH 61B4CF4037AC5B76F07A9BF488A06011C7B6B51675B8D3AE4DD260CA1AE6F80CD91F37
Reporter abuse_ch
Tags:AgentTesla Akbank exe geo TUR


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: correo.sentidocomun.es
Sending IP: 54.217.206.198
From: AKBANK <hizmet@bilgi.akbank.com>
Subject: Akbank Hesap Özetiniz (Ref:20852932368)
Attachment: Akbank Hesap Özetiniz.pdf.r00 (contains "Akbank Hesap Özetiniz.pdf.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.48635.6996.25420.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-11 15:37:24 UTC
AV detection:
25 of 31 (80.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=y57w6acit5vbe4fd4h3yh5j5t23rb4wkmfnlr6mnvyb6ua3hsthq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'615 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla coreentity keylogger persistence rezer0 spyware stealer trojan
Link:
https://tria.ge/reports/201109-h8l7mx5v6s/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
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
AgentTesla Payload
rezer0
AgentTesla
CoreEntity .NET Packer
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

r00 efca87946f7d8ed91396af70c51417bb8e64b7d4945dd6b719ac3e9208ee60a3

AgentTesla

Executable exe c77f6f00489f6a1270a3e1f783f53d9eb710f2ca615ab8f98dae03ea036794cf

(this sample)

  
Dropped by
MD5 99f49dbdf398f322a16959a99f9f68a0
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 efca87946f7d8ed91396af70c51417bb8e64b7d4945dd6b719ac3e9208ee60a3

Comments