MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ea7f27d2608317b4bc1d404425917b2da78e0f8a41a280fed904b506e0278f11. 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: ea7f27d2608317b4bc1d404425917b2da78e0f8a41a280fed904b506e0278f11
SHA3-384 hash: 2066194a2a151a4f2558134fbbd6b76d694fa9cba097d217b8841a639581a8b22d27d3cb92e2285940efb7c006251281
SHA1 hash: 506a4e1db62685a9f6aa5f7c2584171f81f9de9a
MD5 hash: 73956b0898594b9d58b9f7015284a2d4
humanhash: cardinal-five-delaware-earth
File name:9an37FfHG26M80U.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:418'816 bytes
First seen:2020-07-29 06:19:36 UTC
Last seen:2020-07-29 06:40:33 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:r8vZE2mlz1p1MhNea7C2q6g9fAF8ggQK:sq2m5Z5a7cPgbK
Threatray 10'639 similar samples on MalwareBazaar
TLSH 9794123421548797DAFE5778195022A403F1BA216F23EB3D7FD671AEDAA3F218750B02
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: mail7.eso-es.net
Sending IP: 193.109.134.81
From: ogokbulut@lucco.com.tr
Reply-To: ogokbulut@lucco.com.tr
Subject: RFQ ORDER 002267
Attachment: RFQ ORDER 002267.IMG (contains "9an37FfHG26M80U.exe")

AgentTesla SMTP exfil server:
smtp.emfa-tr.com:587

Intelligence

File Origin
# of uploads :
2
# of downloads :
69
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AgentTeslaV2
Create hunting rule
Link:
https://www.capesandbox.com/analysis/34198/
Detection(s):
SecuriteInfo.com.Trojan.Siggen9.62857.24697.16677.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
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
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/401277
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
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 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: 252853 Sample: 9an37FfHG26M80U.exe Startdate: 29/07/2020 Architecture: WINDOWS Score: 100 49 Antivirus detection for dropped file 2->49 51 Antivirus / Scanner detection for submitted sample 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 8 other signatures 2->55 7 9an37FfHG26M80U.exe 7 2->7         started        11 mBqELaf.exe 5 2->11         started        13 mBqELaf.exe 4 2->13         started        15 wuapihost.exe 2->15         started        process3 file4 41 C:\Users\user\AppData\...\&startupname&.exe, PE32 7->41 dropped 43 C:\...\&startupname&.exe:Zone.Identifier, ASCII 7->43 dropped 45 C:\Users\user\AppData\Local\Temp\tmp6C6.tmp, XML 7->45 dropped 47 C:\Users\user\...\9an37FfHG26M80U.exe.log, ASCII 7->47 dropped 65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->65 67 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->67 69 Injects a PE file into a foreign processes 7->69 17 9an37FfHG26M80U.exe 2 7 7->17         started        21 schtasks.exe 1 7->21         started        71 Antivirus detection for dropped file 11->71 73 Multi AV Scanner detection for dropped file 11->73 75 Machine Learning detection for dropped file 11->75 23 mBqELaf.exe 4 11->23         started        25 schtasks.exe 1 11->25         started        27 schtasks.exe 13->27         started        29 mBqELaf.exe 13->29         started        signatures5 process6 file7 37 C:\Users\user\AppData\Roaming\...\mBqELaf.exe, PE32 17->37 dropped 39 C:\Users\user\...\mBqELaf.exe:Zone.Identifier, ASCII 17->39 dropped 57 Tries to steal Mail credentials (via file access) 17->57 59 Hides that the sample has been downloaded from the Internet (zone.identifier) 17->59 61 Installs a global keyboard hook 17->61 31 conhost.exe 21->31         started        63 Tries to harvest and steal browser information (history, passwords, etc) 23->63 33 conhost.exe 25->33         started        35 conhost.exe 27->35         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ea7f27d2608317b4bc1d404425917b2da78e0f8a41a280fed904b506e0278f11/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-07-29 04:02:43 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5j7sputaqml3jpa5ibcclel3fwty4d4kigrib7wzas2qnybhr4iq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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c58e3b60c9317f40b8041dc72787a6d54f67d2850f01779c3df18f7b7595d577
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dcbfc03cfe9523c25ab335f599cebcbbe8f2439ef7ab973aa9ec0330e4e7d11f
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f2a6395f3ae63cfeb7a50854bd0de43748013309a7871f3c114711fa0867c8ce
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f544ebdaa99d194bfbc8818c8c793b0bbb274ef4a27b512117405cfb7dc882ef
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fd79e00e91b710ac1f39fb70bfd49e65b1810f0c03d137103c78579ddc063a9d
AgentTesla
+ 10'629 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  10/10
Tags:
persistence spyware
Link:
https://tria.ge/reports/200729-lqfqh725vj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Creates scheduled task(s)
Suspicious use of WriteProcessMemory
Suspicious use of AdjustPrivilegeToken
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious use of SetThreadContext
Suspicious use of SetThreadContext
Adds Run key to start application
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Reads user/profile data of local email clients
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
netwire
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ea7f27d2608317b4bc1d404425917b2da78e0f8a41a280fed904b506e0278f11

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

img 051c9c566f6bafd9beb1b190af75374e8b00016201221e2676b31ea3d189b14c

AgentTesla

Executable exe ea7f27d2608317b4bc1d404425917b2da78e0f8a41a280fed904b506e0278f11

(this sample)

  
Dropped by
MD5 964e3914e69ce0af9083501f66d5fef5
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 051c9c566f6bafd9beb1b190af75374e8b00016201221e2676b31ea3d189b14c
Cape
Cape
https://www.capesandbox.com/analysis/34198/

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