MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 08443bf9fa957824d3f097be9f7171d11ca06a26bc1e94e518b0654bf9ef5c32. 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: 08443bf9fa957824d3f097be9f7171d11ca06a26bc1e94e518b0654bf9ef5c32
SHA3-384 hash: eefc24bc32f2bce865b43e082597065d99198aa3507abf1390ae06aceac4295865e2d3673fc12f10ef78214732c997f3
SHA1 hash: b18cb6179e52427f1d0526c52bb05f26e8e2b1f3
MD5 hash: a2fabb659641023048269765790f973e
humanhash: rugby-fillet-cat-zebra
File name:BL & Original shipping documents AWB & parcel tracking 1.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:870'912 bytes
First seen:2020-08-04 06:34:34 UTC
Last seen:2020-08-04 08:20:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:gHcPgYxmOE+2Do4pPeRH89fz+RBxS/bJjFRqgzAK0cP/42q5l3NGf/zk52nuODV:dIYxPeVZl0TxSzBFwQHvMdGf/g52nlV
Threatray 10'666 similar samples on MalwareBazaar
TLSH 0705BFC6E5408E50DC294A3A8C3349924B33AC5BEF425606749CFA697BF31D66E35F83
Reporter abuse_ch
Tags:AgentTesla DHL exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: noway.com
Sending IP: 45.127.62.50
From: DHL Express Service<dhlexpress@dhl.com>
Subject: DHL International Express Shipment, waybill and parcel tracking-7253****8341
Attachment: BL Original shipping documents AWB parcel tracking 1.zip (contains "BL & Original shipping documents AWB & parcel tracking 1.exe")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38185/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Siggen2.53037.25565.25733.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/408649
Signature
Contains functionality to register a low level keyboard hook
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
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 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
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 256562 Sample: BL & Original shipping docu... Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Yara detected AgentTesla 2->41 43 Yara detected AntiVM_3 2->43 45 6 other signatures 2->45 6 NLKaAn.exe 1 2->6         started        9 BL & Original shipping documents AWB & parcel tracking 1.exe 1 2->9         started        12 NLKaAn.exe 2->12         started        process3 file4 47 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 6->47 49 Machine Learning detection for dropped file 6->49 51 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 6->51 14 NLKaAn.exe 2 6->14         started        29 BL & Original ship... tracking 1.exe.log, ASCII 9->29 dropped 53 Injects a PE file into a foreign processes 9->53 18 BL & Original shipping documents AWB & parcel tracking 1.exe 2 5 9->18         started        21 NLKaAn.exe 2 12->21         started        23 NLKaAn.exe 12->23         started        signatures5 process6 dnsIp7 31 smtp.yandex.com 14->31 55 Tries to harvest and steal ftp login credentials 14->55 57 Tries to harvest and steal browser information (history, passwords, etc) 14->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->59 33 smtp.yandex.ru 77.88.21.158, 49758, 49760, 587 YANDEXRU Russian Federation 18->33 35 192.168.2.1 unknown unknown 18->35 37 smtp.yandex.com 18->37 25 C:\Users\user\AppData\Roaming\...25LKaAn.exe, PE32 18->25 dropped 27 C:\Users\user\...27LKaAn.exe:Zone.Identifier, ASCII 18->27 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->61 63 Moves itself to temp directory 18->63 65 Tries to steal Mail credentials (via file access) 18->65 67 Installs a global keyboard hook 18->67 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/08443bf9fa957824d3f097be9f7171d11ca06a26bc1e94e518b0654bf9ef5c32/
Threat name:
ByteCode-MSIL.Infostealer.Fareit
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 06:36:07 UTC
AV detection:
33 of 48 (68.75%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bbcdx6p2sv4cju7qs67j64lr2eoka2rgxqpjjziywbsux6pplqza._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'656 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
keylogger stealer spyware trojan family:agenttesla persistence
Link:
https://tria.ge/reports/200804-5et28nbaqj/
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads data files stored by FTP 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:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/08443bf9fa957824d3f097be9f7171d11ca06a26bc1e94e518b0654bf9ef5c32

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

zip 88905cf9ea5085d7264e7b87ae4fc427253ec552df9e3c56a0848e2ff49178b2

AgentTesla

Executable exe 08443bf9fa957824d3f097be9f7171d11ca06a26bc1e94e518b0654bf9ef5c32

(this sample)

  
Dropped by
MD5 bec60227238d8667d8ed447d646a52a0
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38185/
  
Dropped by
SHA256 88905cf9ea5085d7264e7b87ae4fc427253ec552df9e3c56a0848e2ff49178b2

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