MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8af310b084eae70befb8849c00f2581b6299d40a7231a920ce9159979372679b. 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: 8af310b084eae70befb8849c00f2581b6299d40a7231a920ce9159979372679b
SHA3-384 hash: 497d65021c6df34805cb28af71b6328bce82d6aab7d2fcdb907ab9d19421ede658ce7e03b889b64efd3056f605d97b80
SHA1 hash: 8755aa7fad9aa407797735407b278a0171028f9f
MD5 hash: d0edff677208e00eafd42353f43452bb
humanhash: hawaii-zebra-violet-mirror
File name:New orde.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:927'232 bytes
First seen:2020-08-04 08:37:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 24576:yxIYxPeVZljmc+Z8bnuf9RoZld5AINjVB:eIPVjkhRQHVB
Threatray 10'619 similar samples on MalwareBazaar
TLSH 1815AFC5F5409A5DD81A4D3B48334D914B32AC6BEF07D207349CB6996BFB1C6AE24B83
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: vps.confidencegroup.co
Sending IP: 162.144.54.78
From: Elias N Kik <sadiar@lsitwn.com>
Subject: Re: New order- Kazouza 250ml + Freza Amber - MGM
Attachment: New orde.zip (contains "New orde.exe")

AgentTesla SMTP exfil server:
mail.flsrnidth.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38362/
Detection(s):
SecuriteInfo.com.ArtemisD0EDFF677208.18106.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/408890
Signature
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
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: 256684 Sample: New orde.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 49 Found malware configuration 2->49 51 Yara detected AgentTesla 2->51 53 Yara detected AntiVM_3 2->53 55 4 other signatures 2->55 6 New orde.exe 1 2->6         started        10 YYtJku.exe 2->10         started        12 YYtJku.exe 1 2->12         started        process3 file4 25 C:\Users\user\AppData\...25ew orde.exe.log, ASCII 6->25 dropped 57 Injects a PE file into a foreign processes 6->57 14 New orde.exe 2 5 6->14         started        19 YYtJku.exe 2 10->19         started        21 YYtJku.exe 10->21         started        59 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->59 61 Machine Learning detection for dropped file 12->61 63 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->63 23 YYtJku.exe 2 12->23         started        signatures5 process6 dnsIp7 31 flsrnidth.com 167.114.220.88, 49731, 49740, 587 OVHFR Canada 14->31 33 mail.flsrnidth.com 14->33 27 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->27 dropped 29 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->29 dropped 37 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->37 39 Moves itself to temp directory 14->39 41 Tries to steal Mail credentials (via file access) 14->41 35 mail.flsrnidth.com 19->35 43 Tries to harvest and steal ftp login credentials 19->43 45 Tries to harvest and steal browser information (history, passwords, etc) 19->45 47 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->47 file8 signatures9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8af310b084eae70befb8849c00f2581b6299d40a7231a920ce9159979372679b/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 08:38:08 UTC
AV detection:
22 of 23 (95.65%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rlzrbmee5ltqx35yqsoab4sydnrjtvakoiy2sigosfmzpe3sm6nq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'609 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/200804-1j3khl642s/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Suspicious behavior: RenamesItself
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads data files stored by FTP 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/8af310b084eae70befb8849c00f2581b6299d40a7231a920ce9159979372679b

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 b79a65815ceb080d7bd9dcc0df6cb766118fca3110e4977a5f43156bb0a6b8f7

AgentTesla

Executable exe 8af310b084eae70befb8849c00f2581b6299d40a7231a920ce9159979372679b

(this sample)

  
Dropped by
MD5 eeec1cd3782a0cf33c17507c16ef86e1
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/38362/
  
Dropped by
SHA256 b79a65815ceb080d7bd9dcc0df6cb766118fca3110e4977a5f43156bb0a6b8f7

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