MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 70b1ba0ece1eaa61f8946de73d8528caff86b5255ba2fe05e15f5b507db5c8fc. 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: 70b1ba0ece1eaa61f8946de73d8528caff86b5255ba2fe05e15f5b507db5c8fc
SHA3-384 hash: de582fa26283e7a6922ec13ccea09ab6932d85ca3db19abb8cc9ca4e2ade05b67d926cbb028e75dbade149afe009162b
SHA1 hash: 3d87ad1dabf7aff04eea8ccd7e7cbba0023b34a1
MD5 hash: 8947c87ff1d3673c1b6df51f2bf92f36
humanhash: jupiter-romeo-venus-floor
File name:کتور تأخیر.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:613'376 bytes
First seen:2020-07-29 05:32:56 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 12288:+KaowsAzMF0dyz0QChzz1RJ/iEWbZycTQWS8j/qvy:BagENL/CbZyWTvj1
Threatray 10'494 similar samples on MalwareBazaar
TLSH D3D4CF19BA91FC16C3FE4574A6DD1119CEFC8182922BF316A84193BB16C67B3EC413B2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail.euromaster.es
Sending IP: 82.223.70.126
From: shakir Muhammad <pme@primoautomation.com>
Subject: فاکتورهای برجسته و SOA از تاریخ 29.07.2020
Attachment: کتور تأخیر.arj (contains "کتور تأخیر.exe")

AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.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/34152/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.VFR-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Moving of the original file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401226
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Moves itself to temp directory
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)
Sigma detected: Scheduled temp file as task from temp location
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)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 252826 Sample: #U06a9#U062a#U0648#U0631 #U... Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 41 g.msn.com 2->41 43 asf-ris-prod-neurope.northeurope.cloudapp.azure.com 2->43 51 Found malware configuration 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 8 other signatures 2->57 8 #U06a9#U062a#U0648#U0631 #U062a#U0623#U062e#U06cc#U0631.exe 5 2->8         started        12 YYtJku.exe 1 2->12         started        14 YYtJku.exe 2->14         started        16 wuapihost.exe 2->16         started        signatures3 process4 file5 35 C:\Users\user\AppData\...\&startupname&.exe, PE32 8->35 dropped 37 C:\Users\user\AppData\Local\...\tmp68A3.tmp, XML 8->37 dropped 39 #U06a9#U062a#U0648...U06cc#U0631.exe.log, ASCII 8->39 dropped 71 Injects a PE file into a foreign processes 8->71 18 #U06a9#U062a#U0648#U0631 #U062a#U0623#U062e#U06cc#U0631.exe 2 5 8->18         started        23 schtasks.exe 1 8->23         started        73 Multi AV Scanner detection for dropped file 12->73 75 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 12->75 77 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 12->77 25 YYtJku.exe 2 12->25         started        27 YYtJku.exe 14->27         started        signatures6 process7 dnsIp8 45 us2.smtp.mailhostbox.com 208.91.199.224, 49737, 587 PUBLIC-DOMAIN-REGISTRYUS United States 18->45 47 192.168.2.1 unknown unknown 18->47 31 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 18->31 dropped 33 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 18->33 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->59 61 Moves itself to temp directory 18->61 63 Tries to steal Mail credentials (via file access) 18->63 29 conhost.exe 23->29         started        49 208.91.199.225, 49741, 587 PUBLIC-DOMAIN-REGISTRYUS United States 25->49 65 Tries to harvest and steal ftp login credentials 25->65 67 Tries to harvest and steal browser information (history, passwords, etc) 25->67 69 Hides that the sample has been downloaded from the Internet (zone.identifier) 25->69 file9 signatures10 process11
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/70b1ba0ece1eaa61f8946de73d8528caff86b5255ba2fe05e15f5b507db5c8fc/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 05:34:09 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ocy3udwod2vgd6eunxtt3bjizl7ynnjflorp4bpbl5nva7nvzd6a._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'484 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
persistence spyware keylogger trojan stealer family:agenttesla
Link:
https://tria.ge/reports/200729-mjftbwycxj/
Behaviour
Creates scheduled task(s)
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 web browsers
Reads data files stored by FTP clients
Reads user/profile data of local email clients
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Eldorado
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/70b1ba0ece1eaa61f8946de73d8528caff86b5255ba2fe05e15f5b507db5c8fc

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

arj 09ead814d521f5bf0a52ae33069dd5c63cdd07d7708d539f91e864e51a389587

AgentTesla

Executable exe 70b1ba0ece1eaa61f8946de73d8528caff86b5255ba2fe05e15f5b507db5c8fc

(this sample)

  
Dropped by
MD5 8b92a18ee9efdf71cf8518ca86633198
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/34152/
  
Dropped by
SHA256 09ead814d521f5bf0a52ae33069dd5c63cdd07d7708d539f91e864e51a389587

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