MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8fe3841744865f7960e18c8052edbd6f7af33ec54587e298110e3ed8a1e5d737. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8fe3841744865f7960e18c8052edbd6f7af33ec54587e298110e3ed8a1e5d737
SHA3-384 hash: 6b3a8bf4f92b77e6416d7b118b8cc0866bd458f272e90d9d857db1cd35705488c6db05655caaf56af0b8cbdf54a82a6d
SHA1 hash: 53230fb531cfbf8b2f2d3e06e0e4295fa375ee1e
MD5 hash: 1c8364e2d75df23d8fe494b0fabe439b
humanhash: bulldog-timing-skylark-high
File name:1c8364e2d75df23d8fe494b0fabe439b.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:524'800 bytes
First seen:2021-12-18 11:09:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:EHf+AOFAz3IEoUwF6b+zUj60ekeNnOANHuSK3vkmyyy1pWyUtGG:EHfPOyLIEov6025lesAESK3vkdaGG
Threatray 13'488 similar samples on MalwareBazaar
TLSH T167B412D426F4DB0FC4750BFA24B891E087757353621BCF0F0D9A61EBC9666851E20BAB
File icon (PE):PE icon
dhash icon b3b3333969693b3b (69 x Formbook, 63 x AgentTesla, 26 x Loki)
Reporter abuse_ch
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61bdc194ec6c6c14a9dfbfe2/reports/d0e179e2-90d5-4030-83b2-5ce2d97f4af9/overview
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.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/73b84061-997d-4844-af46-55264fc9e80e
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/909503
Signature
.NET source code contains potential unpacker
.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
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)
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 / registry access)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 541981 Sample: 6EBJX9rDh0.exe Startdate: 18/12/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 5 other signatures 2->53 6 6EBJX9rDh0.exe 3 2->6         started        10 szRba.exe 3 2->10         started        12 szRba.exe 2 2->12         started        process3 file4 29 C:\Users\user\AppData\...\6EBJX9rDh0.exe.log, ASCII 6->29 dropped 55 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->57 59 Injects a PE file into a foreign processes 6->59 14 6EBJX9rDh0.exe 2 5 6->14         started        19 6EBJX9rDh0.exe 6->19         started        21 6EBJX9rDh0.exe 6->21         started        61 Multi AV Scanner detection for dropped file 10->61 23 szRba.exe 2 10->23         started        25 szRba.exe 2 12->25         started        27 szRba.exe 12->27         started        signatures5 process6 dnsIp7 35 hotelboutiquegloria.al 5.189.156.119, 49801, 587 CONTABODE Germany 14->35 37 mail.hotelboutiquegloria.al 14->37 31 C:\Users\user\AppData\Roaming\...\szRba.exe, PE32 14->31 dropped 33 C:\Users\user\...\szRba.exe:Zone.Identifier, ASCII 14->33 dropped 39 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->39 41 Tries to steal Mail credentials (via file / registry access) 14->41 43 Tries to harvest and steal ftp login credentials 14->43 45 2 other signatures 14->45 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8fe3841744865f7960e18c8052edbd6f7af33ec54587e298110e3ed8a1e5d737/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-12-17 16:59:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r7ryif2eqzpxsyhbrsaff3n5n55pgpwfiwd6fgarby7nripf243q._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
38306ee79d194eb6353428a064ae2a54ad4ef975dfc04ff563150f2f385adf3a
AgentTesla
4801944ee6259b40006dd85a8505e1cb4b749898c4c49a4b1e89a5fc031baeba
AgentTesla
54ff05c5d4545469d3fe478c21b8851a70eff6598a3a109033d9281ef08a11bf
AgentTesla
5d37ef7ef7aa80645b2bab3596f23201678416a65fcb9a688e54d390873c68e6
AgentTesla
cc11e4df8f64023939ab8f04b8903b2c4c97e7c8dc9ef348cd1a3b2cdc782727
AgentTesla
cf3f565adf7a9dc89288a2b46726507b84d4978b17facec8b1e684d7de98649d
AgentTesla
e243f4e848dcd9895b983893416c98f2f0a39163bc8a2d5d53bf04f63e0a7c2c
AgentTesla
+ 13'478 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/211218-m9q4asehb9/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
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:
340f9728d0f9b1e10ba4cafd0c422162b39a7f210bbc3fbca7da82ed591cbe9e
MD5 hash:
174f6899e6ed16fd3baabcd479078b04
SHA1 hash:
ef03207551b2bfefe143a9132be90ceb26fb54b7
Link:
https://www.unpac.me/results/333afea0-247f-4c3a-beeb-557949fcb89f/
SH256 hash:
ac2f6fc7806f6c9b04b28e9258887f797bb075e41075c61bb8046be645e8481d
MD5 hash:
fbf9663d716d5334d12b96069ccb468c
SHA1 hash:
ee90c9157288175099468d4db79d8449563ac6ab
Link:
https://www.unpac.me/results/333afea0-247f-4c3a-beeb-557949fcb89f/
SH256 hash:
9f5763966bacdc6de3944a6e06a49b05869c38f2e98b32cb93b483a480a6ffff
MD5 hash:
3418c620c4b9dd4533a88f1ba5ec3ff1
SHA1 hash:
12f6aaf1c90030c4063d42a27b2e7000a08b6e74
Link:
https://www.unpac.me/results/333afea0-247f-4c3a-beeb-557949fcb89f/
SH256 hash:
8fe3841744865f7960e18c8052edbd6f7af33ec54587e298110e3ed8a1e5d737
MD5 hash:
1c8364e2d75df23d8fe494b0fabe439b
SHA1 hash:
53230fb531cfbf8b2f2d3e06e0e4295fa375ee1e
Link:
https://www.unpac.me/results/333afea0-247f-4c3a-beeb-557949fcb89f/
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/8fe3841744865f7960e18c8052edbd6f7af33ec54587e298110e3ed8a1e5d737

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AgentTesla

Executable exe 8fe3841744865f7960e18c8052edbd6f7af33ec54587e298110e3ed8a1e5d737

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/214979/
  
URLhaus
https://urlhaus.abuse.ch/url/1883869/
  
Delivery method
Distributed via web download

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