MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b2a5b82030179910c5c89f41073a09b02a269d316534e26a4e3330962f04903. 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: 5b2a5b82030179910c5c89f41073a09b02a269d316534e26a4e3330962f04903
SHA3-384 hash: b38d3e70776966a13835c3ece898e20bc59a4a899f32969da30139f38cb3ea794c65276105306222a324c9ee025cfc80
SHA1 hash: 6e3cb56e975e1232c6c2769a0298d1c2a931d46e
MD5 hash: 52a83246b4a68fcdd45e0fe09553cd5e
humanhash: fanta-lake-earth-orange
File name:New Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:453'632 bytes
First seen:2020-08-05 08:40:04 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:KAcjx6RH0QB4NCWVbNTWCr/gxs95m5AgM/VfN:KA6gpe1WegxU5m5w
Threatray 10'758 similar samples on MalwareBazaar
TLSH 82A4F01C3784659AF17E0E3F9D3051839E12F88FEE66D20B1AB6142D443EA9CBD61F61
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: adaptiveaccess.com
Sending IP: 209.58.149.66
From: <sales@adaptiveaccess.com>
Subject: RE:New Order
Attachment: New Order.zip (contains "New Order.exe")

AgentTesla SMTP exfil server:
smtp.rezuit.pro:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
65
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/39237/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/410625
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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 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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 257583 Sample: New Order.exe Startdate: 05/08/2020 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Yara detected AgentTesla 2->51 53 Yara detected AntiVM_3 2->53 55 7 other signatures 2->55 6 New Order.exe 1 2->6         started        10 Payment slip.exe 1 2->10         started        12 Payment slip.exe 2->12         started        process3 file4 23 C:\Users\user\AppData\...23ew Order.exe.log, ASCII 6->23 dropped 57 Injects a PE file into a foreign processes 6->57 14 New Order.exe 2 5 6->14         started        19 Payment slip.exe 2 10->19         started        21 Payment slip.exe 2 12->21         started        signatures5 process6 dnsIp7 29 smtp.rezuit.pro 14->29 31 us2.smtp.mailhostbox.com 208.91.198.143, 49743, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 25 C:\Users\user\AppData\...\Payment slip.exe, PE32 14->25 dropped 27 C:\Users\...\Payment slip.exe:Zone.Identifier, ASCII 14->27 dropped 37 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->37 39 Installs a global keyboard hook 14->39 33 smtp.rezuit.pro 19->33 35 208.91.199.223, 49744, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->35 41 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 19->41 43 Tries to steal Mail credentials (via file access) 19->43 45 Tries to harvest and steal ftp login credentials 19->45 47 Tries to harvest and steal browser information (history, passwords, etc) 19->47 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5b2a5b82030179910c5c89f41073a09b02a269d316534e26a4e3330962f04903/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2020-08-05 03:02:40 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lmvfxaqdaf4zcdc4rh2ba45atmbke2otczju4jve4mzqsyxqjebq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'748 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200805-n1cnl8e69a/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/5b2a5b82030179910c5c89f41073a09b02a269d316534e26a4e3330962f04903

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 df5b300f5b06418974fd7f6b6c4c6d1a43c9be62cc6a4a1c442cd6e4eee5080e

AgentTesla

Executable exe 5b2a5b82030179910c5c89f41073a09b02a269d316534e26a4e3330962f04903

(this sample)

  
Dropped by
MD5 03c5337bf8edee4f30d234ec196cb9ea
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 df5b300f5b06418974fd7f6b6c4c6d1a43c9be62cc6a4a1c442cd6e4eee5080e
Cape
Cape
https://www.capesandbox.com/analysis/39237/

Comments