MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 354edf67a7ef4bce7dc3b2c20641a5a84407d26b880b21296150aa141dc3089d. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 354edf67a7ef4bce7dc3b2c20641a5a84407d26b880b21296150aa141dc3089d
SHA3-384 hash: f544037b9a5383b86b6bbf36115f8b23f91d8ec29109d0b102670816cf52a214177efe519e27b764d18be5cd37616229
SHA1 hash: f534d0edb555f511cf09882317916d00d0fcda75
MD5 hash: 60f8cf8f450c173db2821ad999195fd4
humanhash: autumn-mars-kilo-shade
File name:3708812.xls .scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:887'808 bytes
First seen:2020-08-13 11:37:45 UTC
Last seen:2020-08-13 13:22:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:wS1zkkNtheQ/t5Z5QJFbS0eXxn1BgzqgX:JGQxcFbSlX36
Threatray 10'593 similar samples on MalwareBazaar
TLSH E31509BA754E6506D03D2C30CCD4CA867B74A746BA02C71EF9CA23AC7E9765B37060D9
Reporter abuse_ch
Tags:AgentTesla geo ITA scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: alpenwald.it
Sending IP: 104.168.148.112
From: Amministrazione<amministrazione@alpenwald.it>
Subject: Re: fattura a saldo lavori etra bassano del grappa
Attachment: Fattura a saldo lavor8013667PDF.img (contains "3708812.xls .scr")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
79
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/45149/
Detection(s):
SecuriteInfo.com.CAP_HookExKeylogger.29996.23627.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Sending a UDP request
Creating a file
Running batch commands
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Link:
https://www.joesandbox.com/analysis/426059
Signature
Allocates memory in foreign processes
Creates an autostart registry key pointing to binary in C:\Windows
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to detect virtualization through RDTSC time measurements
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 265673 Sample: .scr Startdate: 14/08/2020 Architecture: WINDOWS Score: 80 36 Yara detected AgentTesla 2->36 38 Drops PE files to the user root directory 2->38 40 Tries to detect virtualization through RDTSC time measurements 2->40 7        .exe 9 2->7         started        10 pcalua.exe 1 2->10         started        12 pcalua.exe 1 1 2->12         started        process3 file4 28 C:\Users\user\sxmm.exe, PE32 7->28 dropped 30 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->30 dropped 32 C:\Users\user\sxmm.exe:Zone.Identifier, ASCII 7->32 dropped 34 C:\Users\user\AppData\Local\Temp\...\l.dll, PE32 7->34 dropped 14 sxmm.exe 2 7->14         started        17 cmd.exe 1 7->17         started        19 sxmm.exe 3 10->19         started        process5 signatures6 48 Writes to foreign memory regions 14->48 50 Allocates memory in foreign processes 14->50 52 Injects a PE file into a foreign processes 14->52 21 InstallUtil.exe 2 14->21         started        24 reg.exe 1 1 17->24         started        26 conhost.exe 17->26         started        54 Tries to detect virtualization through RDTSC time measurements 19->54 process7 signatures8 42 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 21->42 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 21->44 46 Creates an autostart registry key pointing to binary in C:\Windows 24->46
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/354edf67a7ef4bce7dc3b2c20641a5a84407d26b880b21296150aa141dc3089d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-13 11:39:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvhn6z5h55f447odwlbamqnfvbcaputlrafscklbkcvbihodbcoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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8d022dab121f77e8bc72f928612aa7d06f08f9e0726f509f28a4874f7b4cfe50
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b0c083472dee81acc9ce7dc31bd93bd358d15387dc797aef9ce4ff1f6dd8689c
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AgentTesla
+ 10'583 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer family:agenttesla
Link:
https://tria.ge/reports/200813-p5hbn2abs2/
Behaviour
AgentTesla Payload
Agenttesla family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/354edf67a7ef4bce7dc3b2c20641a5a84407d26b880b21296150aa141dc3089d

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

img 7db061f28b27c06f507b6dcaefbc48b743efb18812ae0dc805584dca9c2410f0

AgentTesla

Executable exe 354edf67a7ef4bce7dc3b2c20641a5a84407d26b880b21296150aa141dc3089d

(this sample)

  
Dropped by
MD5 a206549ab6ce76d20db3ba35ebbd6de4
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/45149/
  
Dropped by
SHA256 7db061f28b27c06f507b6dcaefbc48b743efb18812ae0dc805584dca9c2410f0

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