MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25bfba7555f3b542adc0b1384711da8e2e44b5fa8141866eae52a3e81efb6954. 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: 12


Intelligence 12 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25bfba7555f3b542adc0b1384711da8e2e44b5fa8141866eae52a3e81efb6954
SHA3-384 hash: a8328897077fd561ba82de488c03b1412d0c7bcb2517639d8bb793af1e7bd4a8966fb17cf68e487e6d1af53abfe14791
SHA1 hash: e23e81427f8a6d036984be899b6ef1620c56b32b
MD5 hash: 560cda92545b3b41c229fdeb855634db
humanhash: alpha-undress-august-kansas
File name:560cda92545b3b41c229fdeb855634db.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:968'704 bytes
First seen:2020-11-02 09:08:44 UTC
Last seen:2020-11-08 14:33:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'647 x AgentTesla, 19'451 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 12288:dXRJzIo5X1BdbwCLRtTnxkUpcuIyGLphIcOJr5iWfLVhQFFSXnK:LTdbwCvrxJhIvhIcUkWHQFFf
Threatray 9'834 similar samples on MalwareBazaar
TLSH 3C252BF440AF14A2F25F456676ADBDE402B2B187DBCA5D4C03B8E6310BBEA533B0594D
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
101
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/81754/
Detection(s):
SecuriteInfo.com.Variant.Bulz.147420.10519.15485.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Creating a file
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% subdirectories
Reading critical registry keys
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
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/518001
Signature
.NET source code contains very large array initializations
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
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)
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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: 308102 Sample: 2Ir8gAyBbJ.exe Startdate: 02/11/2020 Architecture: WINDOWS Score: 100 37 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->37 39 Found malware configuration 2->39 41 Yara detected AgentTesla 2->41 43 3 other signatures 2->43 6 arinze.exe 1 2->6         started        9 2Ir8gAyBbJ.exe 1 2->9         started        12 arinze.exe 2->12         started        process3 file4 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->45 47 Machine Learning detection for dropped file 6->47 49 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->49 51 Injects a PE file into a foreign processes 6->51 14 arinze.exe 6 6->14         started        18 arinze.exe 6->18         started        20 arinze.exe 6->20         started        22 arinze.exe 6->22         started        31 C:\Users\user\AppData\...\2Ir8gAyBbJ.exe.log, ASCII 9->31 dropped 24 2Ir8gAyBbJ.exe 2 9 9->24         started        signatures5 process6 dnsIp7 33 192.168.2.1 unknown unknown 14->33 53 Tries to harvest and steal ftp login credentials 14->53 55 Tries to harvest and steal browser information (history, passwords, etc) 14->55 57 Installs a global keyboard hook 14->57 35 bh-58.webhostbox.net 199.79.63.24, 49724, 49726, 49741 PUBLIC-DOMAIN-REGISTRYUS United States 24->35 27 C:\Users\user\AppData\Local\...\arinze.exe, PE32 24->27 dropped 29 C:\Users\user\...\arinze.exe:Zone.Identifier, ASCII 24->29 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 24->59 61 Tries to steal Mail credentials (via file access) 24->61 63 Hides that the sample has been downloaded from the Internet (zone.identifier) 24->63 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/25bfba7555f3b542adc0b1384711da8e2e44b5fa8141866eae52a3e81efb6954/
Threat name:
ByteCode-MSIL.Infostealer.Azorult
Create hunting rule
Status:
Malicious
First seen:
2020-11-02 09:10:11 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ew73u5kv6o2ufloawe4eoeo2ryxejnp2qfaym3vokkr6qhx3nfka._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
06575f01727b5aa6296492bdbaae78073ee3b3abc8870b6b9027368260bc768e
AgentTesla
2d49a640dbde3258ef60f5e04b847b1cf9d446703f79e07e6c8fa2ca7a87548d
AgentTesla
65bdf218a95af52100c20e6f146a7acf16aa0ed0a34ddc7f4a68c66554b648da
AgentTesla
71f156f01f3722503ae7b346c37f64a6bc9efe810309636aa30673062b59aa6a
AgentTesla
744ebb2e77533c06399b3e375e997c864eecc2a20d97145c028a44575a6a44c8
AgentTesla
84da474dc9a86be051d5a30bd2c4715026e0faab0daf2950fcbebb8e46f907ad
AgentTesla
a5602ba2bfa6fcd7b914266f63da512b1c212c75406731aaefa9fcbcd785a57d
AgentTesla
a84cf81fa2d7790ea8f5d59354fa47d2067a12c89c2d975ee2f3b9547765be1e
AgentTesla
b48cfe64a7d020f64e9b09d7636b59ac1f567a51d246b8dd59c53eaa6b339aa7
AgentTesla
d2bb06dc3882c72e26ed7598fee37d128955c229246225ed393d90bd2a4eb1dd
AgentTesla
+ 9'824 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/201102-89lzcnzdwj/
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Unpacked files
SH256 hash:
25bfba7555f3b542adc0b1384711da8e2e44b5fa8141866eae52a3e81efb6954
MD5 hash:
560cda92545b3b41c229fdeb855634db
SHA1 hash:
e23e81427f8a6d036984be899b6ef1620c56b32b
Link:
https://www.unpac.me/results/3099caf2-90f2-4a6d-8f84-6226e6a9127d/
SH256 hash:
345820e9e24a59b2eefbfb8e24a612cd063b3c02b9f7e2884ccc4601337f4029
MD5 hash:
1800efa00a18dfe2541efdab6b9c9f30
SHA1 hash:
ac576c8d5c13f7e33250b1b56a80615ff4148a15
Link:
https://www.unpac.me/results/3099caf2-90f2-4a6d-8f84-6226e6a9127d/
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
Link:
https://www.unpac.me/results/3099caf2-90f2-4a6d-8f84-6226e6a9127d/
SH256 hash:
78526812b9521a645c9864c1b54542f1e9ddbf15f117e3e128f24eb03ffc5d20
MD5 hash:
8c0c5a217af994c0d84d3bf11539513f
SHA1 hash:
b2cafdbb474992c46a5bff8d83748ef7f7c8cca6
Detections:
win_agent_tesla_w1
Create hunting rule
Link:
https://www.unpac.me/results/3099caf2-90f2-4a6d-8f84-6226e6a9127d/
Parent samples :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 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/25bfba7555f3b542adc0b1384711da8e2e44b5fa8141866eae52a3e81efb6954

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_extracted_bin
Create hunting rule
Author:James_inthe_box
Description:AgentTesla extracted
Rule name:AgentTesla_mod_tough_bin
Create hunting rule
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
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_v1
Create hunting rule
Author:Johannes Bader @viql
Description:detects Agent Tesla
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 25bfba7555f3b542adc0b1384711da8e2e44b5fa8141866eae52a3e81efb6954

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/460143/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/81754/

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