MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a43d3e802d7a52afa0ed359ad45f965c55beabfc143efd8facb89259b760e34. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments
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SHA256 hash: 6a43d3e802d7a52afa0ed359ad45f965c55beabfc143efd8facb89259b760e34
SHA3-384 hash: df43df15af897f188b4aff07406dcadc2a6b55a68b7b76391fff5582a168265ac35d30ce5b718d03265e92c2eea86477
SHA1 hash: 4b923f24a243edca2222aa5eb5ad19572596830c
MD5 hash: 7308a693749a604791048a1982d4f69e
humanhash: fix-artist-low-florida
File name:Air Waybill NO 6979374150 DHL Shipment.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:618'496 bytes
First seen:2020-09-10 13:21:06 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:6M5wEMFI5qqzD8m+T+AQLTWjj3j/gtZ6jKMtF:YZI1zD34+AQ/szobo
TLSH D3D41251AACD53FFD6D649BE8E7F3208627559311042CFD93D8831683D763A20472EAE
Reporter James_inthe_box
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/58391/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Stealing user critical data
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/463193
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Moves itself to temp directory
Multi AV Scanner detection for dropped file
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)
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: 283995 Sample: Air Waybill NO 6979374150 D... Startdate: 10/09/2020 Architecture: WINDOWS Score: 100 66 Found malware configuration 2->66 68 Antivirus detection for dropped file 2->68 70 Antivirus / Scanner detection for submitted sample 2->70 72 13 other signatures 2->72 7 mikapp.exe 5 2->7         started        10 Air Waybill NO 6979374150 DHL Shipment.exe 6 2->10         started        13 mikapp.exe 2->13         started        process3 file4 74 Antivirus detection for dropped file 7->74 76 Multi AV Scanner detection for dropped file 7->76 78 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->78 82 2 other signatures 7->82 15 mikapp.exe 2 7->15         started        19 schtasks.exe 1 7->19         started        21 mikapp.exe 7->21         started        36 C:\Users\user\AppData\Roaming36WQorvD.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp55B6.tmp, XML 10->38 dropped 40 Air Waybill NO 697...HL Shipment.exe.log, ASCII 10->40 dropped 80 Injects a PE file into a foreign processes 10->80 23 Air Waybill NO 6979374150 DHL Shipment.exe 2 5 10->23         started        26 schtasks.exe 1 10->26         started        signatures5 process6 dnsIp7 42 smtp.nhbisun.net 15->42 44 208.91.199.225, 49728, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->44 52 Tries to harvest and steal ftp login credentials 15->52 54 Tries to harvest and steal browser information (history, passwords, etc) 15->54 56 Installs a global keyboard hook 15->56 28 conhost.exe 19->28         started        46 smtp.nhbisun.net 23->46 48 us2.smtp.mailhostbox.com 208.91.199.223, 49719, 587 PUBLIC-DOMAIN-REGISTRYUS United States 23->48 50 192.168.2.1 unknown unknown 23->50 32 C:\Users\user\AppData\Roaming\...\mikapp.exe, PE32 23->32 dropped 34 C:\Users\user\...\mikapp.exe:Zone.Identifier, ASCII 23->34 dropped 58 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 23->58 60 Moves itself to temp directory 23->60 62 Tries to steal Mail credentials (via file access) 23->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 23->64 30 conhost.exe 26->30         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6a43d3e802d7a52afa0ed359ad45f965c55beabfc143efd8facb89259b760e34/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-09-10 04:51:32 UTC
File Type:
PE (.Net Exe)
Extracted files:
9
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=njb5h2ac26ssv6qo2nm22rpzmxcvx2v7yfb67wh2zoeslg3wby2a._file
Verdict:
unknown
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer persistence spyware trojan family:agenttesla
Link:
https://tria.ge/reports/200910-adrrn9xnpj/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email 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:
AgentTesla
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6a43d3e802d7a52afa0ed359ad45f965c55beabfc143efd8facb89259b760e34

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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/58391/

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