MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 aa5bb63c10ba7512a7f1612ca4b89768023be9fe17bcdf07665ec06640ca242d. 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: aa5bb63c10ba7512a7f1612ca4b89768023be9fe17bcdf07665ec06640ca242d
SHA3-384 hash: ab93786020cd1770c3bbb71eee4a3a1c7e0f5c33cf5758e2f56ae5e3c578031420f275e8002a64ecffd73b2cf5bfbcca
SHA1 hash: c21a7cb99d5c54d4c7c2e31fc4a0bf6ec73136fb
MD5 hash: ada69ab5834adb17031916e7ef32e5ea
humanhash: queen-wisconsin-high-butter
File name:ada69ab5834adb17031916e7ef32e5ea.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:342'528 bytes
First seen:2020-08-03 07:40:44 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 6144:5E5EPnjOg/Udw/v+Gc06It2lM0YNy6tbr+l0BB/dsvuu7j846j6RA:LPnjOg/1v+R0alDYNy6tml0BB/dE5v46
Threatray 10'760 similar samples on MalwareBazaar
TLSH 757422D2F0AE1B21EE318A717D6C6381E72DE9815C16F6CC07B7398ADC21719A705BE1
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
bh-58.webhostbox.net:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/37478/
Detection(s):
Win.Packed.Remcos-8866356-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/407635
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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: 256104 Sample: qWtVNp4jng.exe Startdate: 03/08/2020 Architecture: WINDOWS Score: 92 34 Found malware configuration 2->34 36 Yara detected AgentTesla 2->36 6 arinze.exe 3 2->6         started        9 qWtVNp4jng.exe 3 2->9         started        11 arinze.exe 2 2->11         started        process3 signatures4 38 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->38 40 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->40 42 Injects a PE file into a foreign processes 6->42 13 arinze.exe 4 6->13         started        17 arinze.exe 6->17         started        19 qWtVNp4jng.exe 2 7 9->19         started        22 qWtVNp4jng.exe 9->22         started        24 arinze.exe 4 11->24         started        process5 dnsIp6 44 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->44 46 Tries to steal Mail credentials (via file access) 13->46 48 Tries to harvest and steal ftp login credentials 13->48 50 Tries to harvest and steal browser information (history, passwords, etc) 13->50 30 bh-58.webhostbox.net 199.79.63.24, 49750, 49756, 587 PUBLIC-DOMAIN-REGISTRYUS United States 19->30 32 192.168.2.1 unknown unknown 19->32 26 C:\Users\user\AppData\Local\...\arinze.exe, PE32 19->26 dropped 28 C:\Users\user\...\arinze.exe:Zone.Identifier, ASCII 19->28 dropped 52 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->52 54 Installs a global keyboard hook 19->54 file7 signatures8
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/aa5bb63c10ba7512a7f1612ca4b89768023be9fe17bcdf07665ec06640ca242d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-13 13:37:39 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=vjn3mpaqxj2rfj7rmewkjoexnabdx2p6c66n6b3gl3agmqgkeqwq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'750 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/200803-haavwlxfge/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
AgentTesla Payload
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/aa5bb63c10ba7512a7f1612ca4b89768023be9fe17bcdf07665ec06640ca242d

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.

Web download

AgentTesla

Executable exe aa5bb63c10ba7512a7f1612ca4b89768023be9fe17bcdf07665ec06640ca242d

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/37478/
  
URLhaus
https://urlhaus.abuse.ch/url/423368/
  
Delivery method
Distributed via web download

Comments