MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a51664afbc2829874c85882cffcabccb4540b08a6c1ed78a7284e6312b673d07. 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: 11


Intelligence 11 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a51664afbc2829874c85882cffcabccb4540b08a6c1ed78a7284e6312b673d07
SHA3-384 hash: 9dd1a0e071a50562c64417d9e57efa9ce519497552eb85136d70fff745946f845b508914b131e6ef7d068688b0883ef6
SHA1 hash: 78291178a94bc277ab8900e3609ffbf903f6f7ea
MD5 hash: 9171e46288689456ec72d135aee36acb
humanhash: fanta-dakota-bacon-grey
File name:SecuriteInfo.com.Trojan.GenericKDZ.73243.7377.3511
Download: download sample
Signature AgentTesla
Create hunting rule
File size:788'480 bytes
First seen:2021-03-01 22:44:30 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:sR/0WFdkY8EVWqboV2uYY/KCNgfVvMc6x3pFRi1d:aQYr9o8uP/h+uBQ
TLSH 04F45D20208D648EC0337AF21AEDD51FA3597359511BE51F2082A6975DA3B43A7CBF2F
Reporter SecuriteInfoCom
Tags:AgentTesla

Intelligence

File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Swift scan - 01032021079767-USD. 78,000.30.xlsx
Verdict:
Malicious activity
Analysis date:
2021-03-01 19:38:08 UTC
Tags:
encrypted exploit CVE-2017-11882 loader
Link:
https://app.any.run/tasks/caa58e29-42a3-4bc3-be8d-1284205078f4

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AgentTeslaV3
Create hunting rule
Link:
https://www.capesandbox.com/analysis/120440/
Detection(s):
SecuriteInfo.com.Trojan.GenericKDZ.73243.7377.3511.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/622990
Signature
.NET source code contains very large array initializations
.NET source code contains very large strings
Found malware configuration
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 360484 Sample: SecuriteInfo.com.Trojan.Gen... Startdate: 01/03/2021 Architecture: WINDOWS Score: 100 20 Found malware configuration 2->20 22 Multi AV Scanner detection for submitted file 2->22 24 Yara detected AgentTesla 2->24 26 4 other signatures 2->26 6 SecuriteInfo.com.Trojan.GenericKDZ.73243.7377.exe 3 2->6         started        process3 file4 16 SecuriteInfo.com.T....73243.7377.exe.log, ASCII 6->16 dropped 28 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 6->28 30 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->30 32 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->32 34 Injects a PE file into a foreign processes 6->34 10 SecuriteInfo.com.Trojan.GenericKDZ.73243.7377.exe 2 6->10         started        14 SecuriteInfo.com.Trojan.GenericKDZ.73243.7377.exe 6->14         started        signatures5 process6 dnsIp7 18 smtp.vivaldi.net 31.209.137.12, 49769, 587 HRINGDU-ASIS Iceland 10->18 36 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->36 38 Tries to steal Mail credentials (via file access) 10->38 40 Tries to harvest and steal ftp login credentials 10->40 42 Tries to harvest and steal browser information (history, passwords, etc) 10->42 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a51664afbc2829874c85882cffcabccb4540b08a6c1ed78a7284e6312b673d07/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-03-01 20:11:23 UTC
AV detection:
20 of 29 (68.97%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uulgjl54fauyotefrawp7sv4zncubmeknqpnpctsqttdck3hhudq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla evasion keylogger spyware stealer trojan
Link:
https://tria.ge/reports/210301-93lyxhdhaj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Looks for VMWare Tools registry key
AgentTesla Payload
Looks for VirtualBox Guest Additions in registry
AgentTesla
Unpacked files
SH256 hash:
f8b5b51efedb3e87493ac2439473564603cc3059d57956f209a7310e311a1027
MD5 hash:
d66f89bf838fb52ed59d311a99aea214
SHA1 hash:
342525c4aabbb92abf51459081d34ed0f1cdc965
Link:
https://www.unpac.me/results/22b24c86-e457-46c1-8c98-954aaf641d89/
SH256 hash:
e6ae79ce0d1538744ef4bf3e0baffdc2834c3da5f86b57eca9c5f118ee63413b
MD5 hash:
5ddf0e1c35cf51700a893338f7a281d7
SHA1 hash:
c2cb99bb4dd47d4997e7703aad067423a241ca0e
Link:
https://www.unpac.me/results/22b24c86-e457-46c1-8c98-954aaf641d89/
SH256 hash:
c297a4db78d3c915eee7317aaa09955da678f4f26c4d0bd63b33dcd0864b19d4
MD5 hash:
ec8605fa432f590bf0dfc1cd10c5a5fe
SHA1 hash:
e640e8d0185a61cf24d89bbcaf3199d6ff098c1a
Link:
https://www.unpac.me/results/22b24c86-e457-46c1-8c98-954aaf641d89/
SH256 hash:
a51664afbc2829874c85882cffcabccb4540b08a6c1ed78a7284e6312b673d07
MD5 hash:
9171e46288689456ec72d135aee36acb
SHA1 hash:
78291178a94bc277ab8900e3609ffbf903f6f7ea
Link:
https://www.unpac.me/results/22b24c86-e457-46c1-8c98-954aaf641d89/
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/a51664afbc2829874c85882cffcabccb4540b08a6c1ed78a7284e6312b673d07

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:ach_AgentTesla_20200929
Create hunting rule
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Create hunting rule
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_agent_tesla_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe a51664afbc2829874c85882cffcabccb4540b08a6c1ed78a7284e6312b673d07

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/120440/
  
URLhaus
https://urlhaus.abuse.ch/url/1040865/
  
Delivery method
Distributed via web download

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