MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20486793ae98833178cb24180d58511ac0ec100a3c341b7a956b95a13cdd1e72. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 20486793ae98833178cb24180d58511ac0ec100a3c341b7a956b95a13cdd1e72
SHA3-384 hash: 5c2590c5142f7539d667cb838b5d914bae50d193ff8a73a659414fceb9f8fa4ce63e8f443fbcb63dac678bcbdf7d795e
SHA1 hash: b39c9581ad34c6733d4a75104fad34dd21147bee
MD5 hash: 0043cc269ef53ad28a4b1339cd3b0aad
humanhash: blue-monkey-hotel-five
File name:[DHL] 7348255142.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:555'008 bytes
First seen:2020-07-21 06:35:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:whh9Q8vBRSyRw6TB1HKKOurFHfcee+FMGb55weSMX+jiGq4+jA+/NNIPlfzT:iJXHlP1kHpGb5GeSMv48A
Threatray 10'650 similar samples on MalwareBazaar
TLSH AAC49C50D7F84AD9E7BA17BDE434004087B4B91AABEAE3595B91F0EC1822750CB13F63
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

From: DHL Customer Support <mvaldivia@cmusa.com.pe>
Subject: DHL express delivery 7348255142
Attachment: DHL 7348255142.rar (contains "[DHL] 7348255142.exe")

AgentTesla SMTP exfil server:
smtp.yandex.com: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/29713/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392526
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248457 Sample: [DHL] 7348255142.exe Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 58 Found malware configuration 2->58 60 Multi AV Scanner detection for dropped file 2->60 62 Sigma detected: Scheduled temp file as task from temp location 2->62 64 5 other signatures 2->64 7 YYtJku.exe 4 2->7         started        10 [DHL] 7348255142.exe 9 2->10         started        13 YYtJku.exe 2->13         started        process3 file4 66 Multi AV Scanner detection for dropped file 7->66 68 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->70 15 YYtJku.exe 2 7->15         started        34 C:\Users\user\AppData\RoamingbehaviorgraphLijRAOs.exe, PE32 10->34 dropped 36 C:\Users\user\AppData\Local\...\tmp26C3.tmp, XML 10->36 dropped 38 C:\Users\user\...\[DHL] 7348255142.exe.log, ASCII 10->38 dropped 72 Injects a PE file into a foreign processes 10->72 19 [DHL] 7348255142.exe 2 5 10->19         started        22 schtasks.exe 1 10->22         started        24 YYtJku.exe 13->24         started        26 YYtJku.exe 13->26         started        signatures5 process6 dnsIp7 40 smtp.yandex.com 15->40 46 Tries to harvest and steal ftp login credentials 15->46 48 Tries to harvest and steal browser information (history, passwords, etc) 15->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->50 42 smtp.yandex.ru 77.88.21.158, 49723, 49724, 587 YANDEXRU Russian Federation 19->42 44 smtp.yandex.com 19->44 30 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 19->30 dropped 32 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 19->32 dropped 52 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->52 54 Moves itself to temp directory 19->54 56 Tries to steal Mail credentials (via file access) 19->56 28 conhost.exe 22->28         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/20486793ae98833178cb24180d58511ac0ec100a3c341b7a956b95a13cdd1e72/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 01:16:08 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ebegpe5otcbtc6gleqma2wcrdlaoyeakhq2bw6uvnok2cpg5dzza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'640 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/200721-e1lrv1rxps/
Behaviour
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/20486793ae98833178cb24180d58511ac0ec100a3c341b7a956b95a13cdd1e72

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

rar c97a4c93e550502baa51694a07a87ff0999288bb5aeeef044ade8c82f864ed9f

AgentTesla

Executable exe 20486793ae98833178cb24180d58511ac0ec100a3c341b7a956b95a13cdd1e72

(this sample)

  
Dropped by
MD5 0774641ca30f4032f101c523d01c3489
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29713/
  
Dropped by
SHA256 c97a4c93e550502baa51694a07a87ff0999288bb5aeeef044ade8c82f864ed9f

Comments