MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbfa1fd030f6c63104868de7dc73436f4f6c49635b3d25effa4f7423df2349b2. 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: fbfa1fd030f6c63104868de7dc73436f4f6c49635b3d25effa4f7423df2349b2
SHA3-384 hash: c9430478bd67bc56759d07f8c4b02d3721bf5c37637d1537277e6e259c6836467815123a51c1a874071de1ba9a161b6e
SHA1 hash: a9946cc0334817c714639e533376cf7ff6337aba
MD5 hash: d3e448f4a6977cf1ada78b06d98b99d1
humanhash: zulu-johnny-orange-uncle
File name:Dhl Shipment Bl Pape % Documents.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:676'864 bytes
First seen:2020-07-30 10:09:45 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 6144:23F48TZyKVlhKkUEVeSBRJX2femDZ0beKwU1lJeCzJNBe+p0:v2HlhKYVeSdmMJj
Threatray 10'796 similar samples on MalwareBazaar
TLSH DFE43B353EC2D521EA3D057584A55AD527B07D4B3B01CB2F7ACA3B5C6E233CB2A0725A
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: slot0.elero.gq
Sending IP: 45.89.66.110
From: DHL | Express <postmaster@elero.gq>
Reply-To: DHL | Express <noreply@elero.gq>
Subject: DHL Shipment
Attachment: Dhl Shipment Bl Pape % Documents.zip (contains "Dhl Shipment Bl Pape % Documents.exe")

AgentTesla SMTP exfil server:
mail.gruppoei.tk:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
73
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/35460/
Detection(s):
SecuriteInfo.com.Variant.Razy.725826.14263.30859.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Running batch commands
Launching a process
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.adwa
Score:
54 / 100
Link:
https://www.joesandbox.com/analysis/403503
Signature
.NET source code contains very large array initializations
Creates an autostart registry key pointing to binary in C:\Windows
Drops PE files to the startup folder
Initial sample is a PE file and has a suspicious name
Sigma detected: Add file from suspicious location to autostart registry
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 253980 Sample: Dhl Shipment Bl Pape % Docu... Startdate: 30/07/2020 Architecture: WINDOWS Score: 54 29 Yara detected AgentTesla 2->29 31 Sigma detected: Add file from suspicious location to autostart registry 2->31 33 .NET source code contains very large array initializations 2->33 35 2 other signatures 2->35 7 Dhl Shipment Bl Pape % Documents.exe 7 2->7         started        10 Netwoork.exe 2 2->10         started        12 pcalua.exe 1 2->12         started        14 pcalua.exe 1 1 2->14         started        process3 file4 25 C:\Users\user\AppData\...25etwoork.exe, PE32 7->25 dropped 27 C:\Users\user\AppData\...\InstallUtil.exe, PE32 7->27 dropped 16 cmd.exe 1 7->16         started        18 Netwoork.exe 3 7->18         started        process5 process6 20 reg.exe 1 1 16->20         started        23 conhost.exe 16->23         started        signatures7 37 Creates an autostart registry key pointing to binary in C:\Windows 20->37
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fbfa1fd030f6c63104868de7dc73436f4f6c49635b3d25effa4f7423df2349b2/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-07-30 10:11:05 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7p5b7ubq63ddcbegrxt5y42dn5hwysldlm6sl372j52chxzdjgza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'786 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/200730-aw2kgv6rmx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Program crash
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
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/fbfa1fd030f6c63104868de7dc73436f4f6c49635b3d25effa4f7423df2349b2

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 0ae65b19fe6b5d501853314fc933ca799820ddb458bb4264ec1e462c741dc1ae

AgentTesla

Executable exe fbfa1fd030f6c63104868de7dc73436f4f6c49635b3d25effa4f7423df2349b2

(this sample)

  
Dropped by
MD5 525858682f510e497eb88d398c45083b
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 0ae65b19fe6b5d501853314fc933ca799820ddb458bb4264ec1e462c741dc1ae
Cape
Cape
https://www.capesandbox.com/analysis/35460/

Comments