MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4607b482f9dd424d99600598bd12850c68cf590407be64088f6c9a73a3e85346. 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: 4607b482f9dd424d99600598bd12850c68cf590407be64088f6c9a73a3e85346
SHA3-384 hash: 737dfb9111a7651de76619df45305fe3c173253634825116cab65fc22cdc63b480e2d182e276bcdca187cd37bc03b305
SHA1 hash: 1308e38a34749ceef3a8eb8e647d40ff159a873e
MD5 hash: cee62d5d9125aa7fd58b0b1eb2c67fce
humanhash: helium-fanta-dakota-glucose
File name:Order.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:920'064 bytes
First seen:2020-08-04 11:13:26 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:upx5cn9bcPgYxmOy+2Do4pPeRH89foq4tOCwpI6b4o34/eM6FCRKU3uTiDV/qo:Y2SIYxPYVZlH4twy6bLI/N6MJ3hV
Threatray 10'645 similar samples on MalwareBazaar
TLSH DF15AEC5F1409D59DC1A4D3B89324C918B326C6BEF02D207709DB6996BFB1CA6F25B83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: zmail.rfvallianz.com
Sending IP: 203.177.117.142
From: sales02@rfvallianz.com
Subject: REQUEST FOR QUOTATION 03625. Hansheng Trading..
Attachment: Catalog.iso.iso (contains "Order.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
76
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38553/
Detection(s):
SecuriteInfo.com.CIL.HeapOverride.Heur.25428.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/409113
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256795 Sample: Order.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 68 Found malware configuration 2->68 70 Sigma detected: Scheduled temp file as task from temp location 2->70 72 Yara detected AgentTesla 2->72 74 6 other signatures 2->74 7 Order.exe 7 2->7         started        11 bVrBv.exe 4 2->11         started        13 bVrBv.exe 5 2->13         started        process3 file4 44 C:\Users\user\AppData\Roaming\gEIyVgqRm.exe, PE32 7->44 dropped 46 C:\Users\...\gEIyVgqRm.exe:Zone.Identifier, ASCII 7->46 dropped 48 C:\Users\user\AppData\Local\...\tmp1E7C.tmp, XML 7->48 dropped 50 C:\Users\user\AppData\Local\...\Order.exe.log, ASCII 7->50 dropped 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->76 78 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->78 80 Injects a PE file into a foreign processes 7->80 15 Order.exe 2 7 7->15         started        20 schtasks.exe 1 7->20         started        22 Order.exe 7->22         started        24 bVrBv.exe 11->24         started        26 schtasks.exe 11->26         started        28 bVrBv.exe 11->28         started        82 Machine Learning detection for dropped file 13->82 84 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 13->84 30 schtasks.exe 1 13->30         started        32 bVrBv.exe 4 13->32         started        signatures5 process6 dnsIp7 52 smtp.privateemail.com 199.193.7.228, 49750, 49751, 49757 NAMECHEAP-NETUS United States 15->52 40 C:\Users\user\AppData\Roaming\...\bVrBv.exe, PE32 15->40 dropped 42 C:\Users\user\...\bVrBv.exe:Zone.Identifier, ASCII 15->42 dropped 56 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->56 58 Installs a global keyboard hook 15->58 34 conhost.exe 20->34         started        54 192.168.2.1 unknown unknown 24->54 60 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->60 62 Tries to steal Mail credentials (via file access) 24->62 64 Tries to harvest and steal ftp login credentials 24->64 66 Tries to harvest and steal browser information (history, passwords, etc) 24->66 36 conhost.exe 26->36         started        38 conhost.exe 30->38         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4607b482f9dd424d99600598bd12850c68cf590407be64088f6c9a73a3e85346/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 11:15:10 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iyd3jaxz3vbe3glaawml2eufbrum6wiea67gicepnsnhhi7iknda._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'635 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200804-g2xbbmbmqa/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
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 Payload
AgentTesla
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/4607b482f9dd424d99600598bd12850c68cf590407be64088f6c9a73a3e85346

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

iso ad9c9d0e61023b995eacc6d8bae050ea72566a7cbcb1c3787e29d31b161b4e30

AgentTesla

Executable exe 4607b482f9dd424d99600598bd12850c68cf590407be64088f6c9a73a3e85346

(this sample)

  
Dropped by
MD5 53068e2f7d33435b1b62903852d6b88e
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38553/
  
Dropped by
SHA256 ad9c9d0e61023b995eacc6d8bae050ea72566a7cbcb1c3787e29d31b161b4e30

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