MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9a6dd35f9ca163d4e76a25d642ca7a580272ea7886a6a639273ac5b732e9f8c. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9a6dd35f9ca163d4e76a25d642ca7a580272ea7886a6a639273ac5b732e9f8c
SHA3-384 hash: bce6bc34feb5340a46406f3d5fd2d88bcde8c31bad70b18caefaf2d843a21f7f12b0d34afe92f39ddf81bf0a87b692c3
SHA1 hash: ff1f4a1123609ea18e9c65a5b36a4e536b40ae6a
MD5 hash: c95c87c201c9378e1d9adb7037d2b7e7
humanhash: violet-mississippi-sierra-hamper
File name:RFQ # 097663899.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:529'920 bytes
First seen:2020-07-07 08:24:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:+laDcXDmfJCL0gOdQtJXvn4AZpeuoUcy/y6sB4lQ+hQiQcsEryOK+oC1Nv2U+BHs:7U+xB3v2e4Hddg4
Threatray 10'659 similar samples on MalwareBazaar
TLSH B0B49DB131266E93C63A0EF5900024485FF4E4ABF16DE2DBBDC221DA50D5FE09A526F7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: molex.com
Sending IP: 103.99.1.149
From: Jessie Yang <sales@molex.com>
Subject: RE:PO - RFQ # 097663899 NEW ORDER
Attachment: RFQ 097663899.zip (contains "RFQ # 097663899.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/22046/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b9a6dd35f9ca163d4e76a25d642ca7a580272ea7886a6a639273ac5b732e9f8c/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-07 08:05:00 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=xgtn2npzzild2ttwujowilfhuwacolvhrbvguy4soowfw4zot6ga._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'649 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
spyware keylogger trojan stealer family:agenttesla persistence
Link:
https://tria.ge/reports/200707-qh5clmb1fn/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run entry to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP 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 c3b6afc692a2e41d98070148d1d7e6cc1c5a0a6e154e4fb7359c89e158cc1a8c

AgentTesla

Executable exe b9a6dd35f9ca163d4e76a25d642ca7a580272ea7886a6a639273ac5b732e9f8c

(this sample)

  
Dropped by
MD5 8291a8a1226dc6c0bc6040a12fd40545
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/22046/
  
Dropped by
SHA256 c3b6afc692a2e41d98070148d1d7e6cc1c5a0a6e154e4fb7359c89e158cc1a8c

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