MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fdbf252fb3867cb9b7adb13b8b7716e2b585fda8701270b28784cc506698dc52. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fdbf252fb3867cb9b7adb13b8b7716e2b585fda8701270b28784cc506698dc52
SHA3-384 hash: 59fe3830db5f4f77703c84a8620f981bccbe651ac38cda427cff3e7b9bafb47aa92bada571dbdf0b78bcf94b6c4ed630
SHA1 hash: 70f49f5d30f3bcefc68a89033869d537dc3e98b4
MD5 hash: bc00e7956757b6beda2899c9b0650bb7
humanhash: red-neptune-sierra-violet
File name:Quotation.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:2'228'224 bytes
First seen:2023-04-13 06:52:29 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 24576:wZoalZDKcTuY9Tc+TnWT1fPlwJhbz/iHaYGT404LrXhFQPXJO70yFzfAEuj1ZLq9:lEW5lsbLzTkzEVTLa
Threatray 2'007 similar samples on MalwareBazaar
TLSH T1ACA5BF731582FDD6EBBB4AF8DC5A11100C606C6F62ACD24CFC88386B32F57059969EB5
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon f89c98d898a8d418 (7 x SnakeKeylogger, 3 x Formbook, 2 x AgentTesla)
Reporter lowmal3
Tags:AgentTesla exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
270
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Quotation.exe
Verdict:
Malicious activity
Analysis date:
2023-04-13 06:53:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/300beadd-d5ff-4235-b9c0-afeefa8463b5

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/381961/
Detection(s):
PUA.Win.Packer.Medvedev-6482674-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/6437a6cf0530985b5cccd856/reports/1f7433ad-0a10-4fac-b63b-10ee010205de/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/fdbf252fb3867cb9b7adb13b8b7716e2b585fda8701270b28784cc506698dc52
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
Agent Tesla
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/26566ec9-0d34-40e8-8c48-2d4302cd0862
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1213060
Signature
Contains functionality to register a low level keyboard hook
Creates an undocumented autostart registry key
Encrypted powershell cmdline option found
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
May check the online IP address of the machine
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 845976 Sample: Quotation.exe Startdate: 13/04/2023 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic 2->35 37 Multi AV Scanner detection for dropped file 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 6 other signatures 2->41 7 Quotation.exe 1 5 2->7         started        process3 file4 23 C:\Users\user\AppData\...\Titfeptt.exe, PE32 7->23 dropped 25 C:\Users\...\Titfeptt.exe:Zone.Identifier, ASCII 7->25 dropped 27 C:\Users\user\AppData\...\Quotation.exe.log, ASCII 7->27 dropped 43 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->43 45 Creates an undocumented autostart registry key 7->45 47 May check the online IP address of the machine 7->47 49 3 other signatures 7->49 11 Quotation.exe 15 7 7->11         started        15 powershell.exe 16 7->15         started        17 Quotation.exe 7->17         started        19 Quotation.exe 7->19         started        signatures5 process6 dnsIp7 29 api4.ipify.org 104.237.62.211, 443, 49695 WEBNXUS United States 11->29 31 api.telegram.org 149.154.167.220, 443, 49696, 49697 TELEGRAMRU United Kingdom 11->31 33 api.ipify.org 11->33 51 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->51 53 Tries to steal Mail credentials (via file / registry access) 11->53 55 Tries to harvest and steal browser information (history, passwords, etc) 11->55 57 Installs a global keyboard hook 11->57 21 conhost.exe 15->21         started        signatures8 process9
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fdbf252fb3867cb9b7adb13b8b7716e2b585fda8701270b28784cc506698dc52/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-04-12 11:30:15 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7w7skl5tqz6ltn5nwe5yw5yw4k2yl7nioajhbmuhqtgfazuy3rja._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
Similar samples:
10378a656282ac8e5d676229bc2151b553e50906495bf0bfe6ec4c93373dc2a8
AgentTesla
159d98362df9853029651ed00cc363dbada760b2427150ffa23e7827e205b882
AgentTesla
2c5117280800871fbceb13a571a8d602c17f3c08247c8ccf546bb9dc8adda73e
AgentTesla
385e9b22af42d606aeed4b6e375133b323c3dda11916fd7121f1bdd2256065d0
AgentTesla
493781dc1d845e09f96742dfdc2edaef673ac5d4b2139875929166f2627dc161
AgentTesla
546296386f790b239e38e70b371954f4ca87d4715bc3147497f82c466d721ce2
AgentTesla
57d148e97edd36a56b6cb5fdfae00c5224b198f9660426e68f4a0555844d803b
AgentTesla
aad314e684a4195a25d580e3e203b8064b275adba10f144d1bf69126b980f2c8
AgentTesla
aad777a2d2f4c889859ca2fbdc9d2bc782cf989c31d95be12abda966f4cbaf19
AgentTesla
c0ee259c92c30dcd710e13a44ec8899aa527998ab2431d1e4cb1de94db939718
AgentTesla
+ 1'997 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/230413-hnmrjahh67/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Checks computer location settings
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
https://api.telegram.org/bot5998210197:AAH-JIKMHb7dhxxuEktYZzJVzRIxsjtpP7Y/
Unpacked files
SH256 hash:
fdbf252fb3867cb9b7adb13b8b7716e2b585fda8701270b28784cc506698dc52
MD5 hash:
bc00e7956757b6beda2899c9b0650bb7
SHA1 hash:
70f49f5d30f3bcefc68a89033869d537dc3e98b4
Link:
https://www.unpac.me/results/f38a2a96-2b7d-4da3-8409-c2281499f14a/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
AgentTesla
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/fdbf252fb3867cb9b7adb13b8b7716e2b585fda8701270b28784cc506698dc52

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:adonunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

AgentTesla

Executable exe fdbf252fb3867cb9b7adb13b8b7716e2b585fda8701270b28784cc506698dc52

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/381961/

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