MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 10167fec5a00f7ee3805a502684ca59887be73bc350946a0f7989080e06859d8. 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: 10167fec5a00f7ee3805a502684ca59887be73bc350946a0f7989080e06859d8
SHA3-384 hash: 922da5af70aad347497e94ae9069c23ec76269f61575ae7e09adf09280c2a02fbca32d09445c6bca33aff48c638f2385
SHA1 hash: d04897139836b9492a3c5036eacac7fc41160dcf
MD5 hash: 6dd7542b5145cc3367062c8de480350c
humanhash: summer-march-connecticut-lamp
File name:Quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:792'576 bytes
First seen:2020-09-02 06:14:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:VlQqOIAM5jJxDwSMFOlnAOpnZr/5CX5tVNqEbTIIWYGIQRjtwbYiQjvrk/F6jgeD:VlQlIxDbyOlnAOLr/5gLTmJI
Threatray 10'592 similar samples on MalwareBazaar
TLSH 0CF4BEAC72507AAEC627FD77C9534D6CE750A036D32BE24BC4531198990CA97EF221F2
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: srv.hdedi-xlogic2400.org
Sending IP: 195.201.166.237
From: Ms. Wong Jeong <Aldabbous.intl@Dabbousco.com>
Subject: Re : RE: Quick and Urgent responses is needed for the Order attached
Attachment: Quotation.iso (contains "Quotation.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
108
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/54193/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
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
Enabling autorun by creating a file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/457179
Signature
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
Machine Learning detection for dropped file
Machine Learning detection for sample
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
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)
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 signatures2 2 Behavior Graph ID: 280975 Sample: Quotation.exe Startdate: 02/09/2020 Architecture: WINDOWS Score: 100 64 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->64 66 Found malware configuration 2->66 68 Multi AV Scanner detection for dropped file 2->68 70 9 other signatures 2->70 7 Quotation.exe 7 2->7         started        11 JcoGam.exe 4 2->11         started        13 JcoGam.exe 5 2->13         started        process3 file4 40 C:\Users\user\AppData\...\DqsjlyXdLYiYQ.exe, PE32 7->40 dropped 42 C:\...\DqsjlyXdLYiYQ.exe:Zone.Identifier, ASCII 7->42 dropped 44 C:\Users\user\AppData\Local\...\tmp6AE0.tmp, XML 7->44 dropped 46 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 7->46 dropped 72 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->72 74 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->74 15 Quotation.exe 2 5 7->15         started        20 schtasks.exe 1 7->20         started        22 JcoGam.exe 11->22         started        24 schtasks.exe 11->24         started        76 Multi AV Scanner detection for dropped file 13->76 78 Machine Learning detection for dropped file 13->78 80 Injects a PE file into a foreign processes 13->80 26 schtasks.exe 1 13->26         started        28 JcoGam.exe 2 13->28         started        signatures5 process6 dnsIp7 48 smtp.pengteh.com 15->48 50 us2.smtp.mailhostbox.com 208.91.198.143, 49739, 49756, 587 PUBLIC-DOMAIN-REGISTRYUS United States 15->50 36 C:\Users\user\AppData\Roaming\...\JcoGam.exe, PE32 15->36 dropped 38 C:\Users\user\...\JcoGam.exe:Zone.Identifier, ASCII 15->38 dropped 54 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->54 30 conhost.exe 20->30         started        52 smtp.pengteh.com 22->52 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->56 58 Tries to steal Mail credentials (via file access) 22->58 60 Tries to harvest and steal ftp login credentials 22->60 62 Tries to harvest and steal browser information (history, passwords, etc) 22->62 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/10167fec5a00f7ee3805a502684ca59887be73bc350946a0f7989080e06859d8/
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-09-02 05:19:43 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=calh73c2ad364oafuubgqtfftcd34454gueunihxtciibydilhma._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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AgentTesla
+ 10'582 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/200902-fmxywajwjx/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
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
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/10167fec5a00f7ee3805a502684ca59887be73bc350946a0f7989080e06859d8

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

iso 990a43d16640d614c878efb810592bc94ededa121ade1938d7a42452ca5a49c0

AgentTesla

Executable exe 10167fec5a00f7ee3805a502684ca59887be73bc350946a0f7989080e06859d8

(this sample)

  
Dropped by
MD5 518f3539e8cbc09eab45e3260ceb223f
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/54193/
  
Dropped by
SHA256 990a43d16640d614c878efb810592bc94ededa121ade1938d7a42452ca5a49c0

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