MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fc2806d0821e5367c81773db3f59020ca283312b9975ef3ee19c139af0a4d69. 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: 7fc2806d0821e5367c81773db3f59020ca283312b9975ef3ee19c139af0a4d69
SHA3-384 hash: af04b41b2dae96de385ba41f52a7a2ef9193f067e06829ba5fb4a9f2b3699b49d5115cc36de7c3cd6087e952abec1c5e
SHA1 hash: a3c6e85f4ec15bffbdf1523564816d93e447a56b
MD5 hash: d878c38dcae8eb7855f194b29fde64e3
humanhash: oxygen-failed-equal-missouri
File name:Payment-Receipt.scr
Download: download sample
Signature AgentTesla
Create hunting rule
File size:560'640 bytes
First seen:2020-07-21 06:10:14 UTC
Last seen:2020-07-21 07:24:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 6144:f+fUYeG3jMH0ef6RUOgmyRw6TBGw1rKg0BXGeVIIKPB4KdVE7NmKENageBIObXLY:fLKUMw1rK4eChKEUXBVv2RZz
Threatray 10'625 similar samples on MalwareBazaar
TLSH C0C49D10D7B85AC9E3BA57BCE870010087B4B55AA7EAE75E0B91F0ED1922710DB13F67
Reporter abuse_ch
Tags:AgentTesla Endurance scr


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: 192-254-193-67.unifiedlayer.com
Sending IP: 192.254.193.67
From: Account Dept <account@fidusindia.com>
Subject: Payment Receipt for PO#CF490921
Attachment: Payment-Receipt.rar (contains "Payment-Receipt.scr")

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

Intelligence

File Origin
# of uploads :
2
# of downloads :
71
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/29684/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WYG.5455.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% directory
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
Reading critical registry keys
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Enabling autorun with Startup directory
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/392452
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 248408 Sample: Payment-Receipt.scr Startdate: 21/07/2020 Architecture: WINDOWS Score: 100 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Multi AV Scanner detection for dropped file 2->66 68 8 other signatures 2->68 7 Payment-Receipt.exe 11 2->7         started        11 Window Updater.exe 8 2->11         started        13 Window Updater.exe 2->13         started        process3 file4 32 C:\Users\user\AppData\...\zhwDIlhqTdra.exe, PE32 7->32 dropped 34 C:\Users\user\AppData\Local\...\tmpC1A2.tmp, XML 7->34 dropped 36 C:\Users\user\...\Payment-Receipt.exe.log, ASCII 7->36 dropped 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->70 72 Injects a PE file into a foreign processes 7->72 15 Payment-Receipt.exe 17 19 7->15         started        20 schtasks.exe 1 7->20         started        22 Window Updater.exe 14 16 11->22         started        24 Window Updater.exe 13->24         started        signatures5 process6 dnsIp7 38 smtp.yandex.ru 77.88.21.158, 49735, 49736, 49742 YANDEXRU Russian Federation 15->38 40 checkip.us-east-1.prod.check-ip.aws.a2z.com 34.197.12.81, 49737, 80 AMAZON-AESUS United States 15->40 46 3 other IPs or domains 15->46 28 C:\Users\user\AppData\...\Window Updater.exe, PE32 15->28 dropped 30 C:\...\Window Updater.exe:Zone.Identifier, ASCII 15->30 dropped 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->50 52 Installs a global keyboard hook 15->52 26 conhost.exe 20->26         started        42 34.192.250.175, 49741, 80 AMAZON-AESUS United States 22->42 44 smtp.yandex.com 22->44 48 2 other IPs or domains 22->48 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 22->54 56 Tries to steal Mail credentials (via file access) 22->56 58 Tries to harvest and steal ftp login credentials 22->58 60 Tries to harvest and steal browser information (history, passwords, etc) 22->60 file8 signatures9 process10
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/7fc2806d0821e5367c81773db3f59020ca283312b9975ef3ee19c139af0a4d69/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-21 06:12:08 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p7bia3iiehstm7ebo463h5mqedfcqmysxglv547odhattlykjvuq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
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14e5f96ae6b8740535a954d5e0add90e7f41b5839dae197a8f1d6e89dc5708db
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1583c29f396b51c03866ecbac92dfae57d41c361d8f6f5ae71600a84a4b9033d
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1a32b479225283f435fe37ea7490bd319063d0cbf88ba6845821aa4eadbbdc91
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65985974e8e5863fee10f22f30f9e3bc80a0ceca168abfec3431e0753f080b39
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7238b10bdd16fb1695fa6732a480d118f7af176174c81a69e1a6f103f955416e
AgentTesla
b6e6a78efe43a85893d398bdcb56f913b48e5ab649bbac0ea305177ef55a0747
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d1bd877b6b748426000286d808fd8a397869e91f2e400aa328a290363b57fa0b
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d8a940109eb53d9f23207bea365e2a265ad1b4ba479821085e7f930629532152
AgentTesla
eccb7dad3a4bff889e8f54ab9dd8603443cb62ffba05140d5cdaedb057e1486b
AgentTesla
+ 10'615 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
spyware persistence
Link:
https://tria.ge/reports/200721-yhc4rwjfae/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Adds Run key to start application
Looks up external IP address via web service
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Unknown
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/7fc2806d0821e5367c81773db3f59020ca283312b9975ef3ee19c139af0a4d69

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

rar c12e031a1e589282b9d1833184ff2153a57d324a0f60c86fb6e836e7b09c43a8

AgentTesla

Executable exe 7fc2806d0821e5367c81773db3f59020ca283312b9975ef3ee19c139af0a4d69

(this sample)

  
Dropped by
MD5 a0c8f2b4ef86a7d6672d0c80d369ad09
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/29684/
  
Dropped by
SHA256 c12e031a1e589282b9d1833184ff2153a57d324a0f60c86fb6e836e7b09c43a8

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