MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd79e00e91b710ac1f39fb70bfd49e65b1810f0c03d137103c78579ddc063a9d. 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: fd79e00e91b710ac1f39fb70bfd49e65b1810f0c03d137103c78579ddc063a9d
SHA3-384 hash: 07a2c1b3612f3dc09af8c4bd3deefff4973b0d15598fa8bcbfe52bb11fa7ce480eff992fbf4bde0f5b86d8332fb83dc0
SHA1 hash: 88af1bfa22a78042be68c849730a5a2b27c05dd3
MD5 hash: cbedbf6ad7f0192b1173f2fddd3b1d0d
humanhash: virginia-eleven-single-whiskey
File name:RFQ ORDER 00226.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'137'152 bytes
First seen:2020-08-04 11:25:17 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 12288:0+JEBtD8HOJrTGBuMq1V5p4wJ8hkdTq8ywfvGFYaV524AaQqZWLKnnWYf3F1:0+Jc8H2GBuJVJZ8guFY4BAa7FnnZ3
Threatray 11'294 similar samples on MalwareBazaar
TLSH F2358DC2F544C950C95A0E3ACD67DA5443377D66EF4797063088BA2B38F3293AE266C7
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: cloud-1bdf0b.managed-vps.net
Sending IP: 78.128.43.156
From: info@brtglobalscrap.com
Subject: RFQ ORDER 00226
Attachment: RFQ ORDER 00226.IMG (contains "RFQ ORDER 00226.exe")

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

Intelligence

File Origin
# of uploads :
1
# of downloads :
77
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/38588/
Detection(s):
SecuriteInfo.com.Generic.mg.cbedbf6ad7f0192b.8300.UNOFFICIAL
Create hunting rule

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/409315
Signature
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
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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: 257172 Sample: RFQ ORDER 00226.exe Startdate: 04/08/2020 Architecture: WINDOWS Score: 100 55 Sigma detected: Scheduled temp file as task from temp location 2->55 57 Yara detected AgentTesla 2->57 59 Yara detected AntiVM_3 2->59 61 7 other signatures 2->61 7 RFQ ORDER 00226.exe 7 2->7         started        11 mBqELaf.exe 5 2->11         started        13 mBqELaf.exe 4 2->13         started        process3 file4 35 C:\Users\user\AppData\...\KOnKAyhgjiuN.exe, PE32 7->35 dropped 37 C:\Users\...\KOnKAyhgjiuN.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\Temp\tmp91E.tmp, XML 7->39 dropped 41 C:\Users\user\...\RFQ ORDER 00226.exe.log, ASCII 7->41 dropped 63 Injects a PE file into a foreign processes 7->63 15 RFQ ORDER 00226.exe 2 7 7->15         started        19 schtasks.exe 1 7->19         started        65 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->65 67 Machine Learning detection for dropped file 11->67 69 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 11->69 21 mBqELaf.exe 4 11->21         started        23 schtasks.exe 1 11->23         started        25 schtasks.exe 13->25         started        27 mBqELaf.exe 13->27         started        signatures5 process6 file7 43 C:\Users\user\AppData\Roaming\...\mBqELaf.exe, PE32 15->43 dropped 45 C:\Users\user\...\mBqELaf.exe:Zone.Identifier, ASCII 15->45 dropped 47 Tries to steal Mail credentials (via file access) 15->47 49 Hides that the sample has been downloaded from the Internet (zone.identifier) 15->49 51 Installs a global keyboard hook 15->51 29 conhost.exe 19->29         started        53 Tries to harvest and steal browser information (history, passwords, etc) 21->53 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
agenttesla
Create hunting rule
Link:
https://mwdb.cert.pl/sample/fd79e00e91b710ac1f39fb70bfd49e65b1810f0c03d137103c78579ddc063a9d/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2020-08-04 11:27:06 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7v46adurw4ikyhzz7nyl7ve6mwyycdymapitoeb4pblz3xaghkoq._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
1bfafe2577a126c301463e5902f1bf23bc69cbdf346bd7c870ae9b622bcd2104
AgentTesla
2bfc51c6faabbc9e86cd76326b4e1bf94107abca7d933c66d63624dea8f4f51c
AgentTesla
329f7981abeef752b487e4ca790a53e38ff1b00872dbe037f3a122c276357b20
AgentTesla
3a18512fa6205d515cde261cc9b79dc09c6dcd733c4f07b79d8713e282b1ea6f
AgentTesla
98c7f4edb36e0d90ebd8d9aa17a5ac6f29003ed677464bdc05b19b2f17bc62ca
AgentTesla
b81898c8e22774e33768ab962a3acca0c718197c2b4434f3ae51761569bd7ccb
AgentTesla
d8ea753d78e0843edb882a8bf78b49996d2fb7c68eabd99b660c9070aaa800f6
AgentTesla
ea7f27d2608317b4bc1d404425917b2da78e0f8a41a280fed904b506e0278f11
AgentTesla
f2a6395f3ae63cfeb7a50854bd0de43748013309a7871f3c114711fa0867c8ce
AgentTesla
fcdb8c371542fc2042b02845f80960bf6f6cda5ce67a2f4d5a05501a1927887e
AgentTesla
+ 11'284 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-avqn1ngjsj/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetWindowsHookEx
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Reads user/profile data of web browsers
Reads user/profile data of local email clients
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/fd79e00e91b710ac1f39fb70bfd49e65b1810f0c03d137103c78579ddc063a9d

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 b0fc0c97e3c7b25949b849213f31658ac4e02ad28f02777903022b407afd8773

AgentTesla

Executable exe fd79e00e91b710ac1f39fb70bfd49e65b1810f0c03d137103c78579ddc063a9d

(this sample)

  
Dropped by
MD5 c2060b01d6b9f5073a0e306e7d9fbf47
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 b0fc0c97e3c7b25949b849213f31658ac4e02ad28f02777903022b407afd8773
Cape
Cape
https://www.capesandbox.com/analysis/38588/

Comments