MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 23eb242e4f23685da9d82fba572f068eb1ba1ea55f20bde41f30bd180e5688fd. 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 3 File information Comments

SHA256 hash: 23eb242e4f23685da9d82fba572f068eb1ba1ea55f20bde41f30bd180e5688fd
SHA3-384 hash: 0da8af3899d2facd89b143ed205793dd9b9ad53524ea7c5a6e02f7f100838d4338d54561ba5870a85eb8c83f3dfa1ca3
SHA1 hash: ead37c9ff5a98b2922a5a94e7ce663c3fa74d06d
MD5 hash: eec830ecb1ebfb94d0cc09d9d11de36f
humanhash: nine-berlin-music-oregon
File name:QUATATION.exe
Download: download sample
Signature AgentTesla
File size:1'145'856 bytes
First seen:2021-04-02 09:57:11 UTC
Last seen:2021-04-02 11:18:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:5qrCv+aq7VGeNxzoR2b6GNKl0ad/hmfWCjfdZqd8:5qzVGeN9Yw6Fl0adaWCOK
Threatray 3'571 similar samples on MalwareBazaar
TLSH C335C0003294C898E11B17B9D4BFC018D3F9F8DDA46BCF0D1E46695A29E37096C967AF
Reporter GovCERT_CH
Tags:AgentTesla

Intelligence


File Origin
# of uploads :
2
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
QUATATION.exe
Verdict:
Malicious activity
Analysis date:
2021-04-02 10:07:14 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
Enabling autorun by creating a file
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.
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 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
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 380744 Sample: QUATATION.exe Startdate: 02/04/2021 Architecture: WINDOWS Score: 100 29 Found malware configuration 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 Sigma detected: Scheduled temp file as task from temp location 2->33 35 6 other signatures 2->35 7 QUATATION.exe 6 2->7         started        process3 file4 21 C:\Users\user\AppData\...\INUfVdJYTAKFN.exe, PE32 7->21 dropped 23 C:\Users\user\AppData\Local\...\tmp10EB.tmp, XML 7->23 dropped 25 C:\Users\user\AppData\...\QUATATION.exe.log, ASCII 7->25 dropped 37 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 7->37 39 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->39 41 Uses schtasks.exe or at.exe to add and modify task schedules 7->41 43 2 other signatures 7->43 11 QUATATION.exe 15 8 7->11         started        15 schtasks.exe 1 7->15         started        17 QUATATION.exe 7->17         started        signatures5 process6 dnsIp7 27 api.telegram.org 149.154.167.220, 443, 49751 TELEGRAMRU United Kingdom 11->27 45 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->45 47 Tries to steal Mail credentials (via file access) 11->47 49 Tries to harvest and steal ftp login credentials 11->49 51 2 other signatures 11->51 19 conhost.exe 15->19         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.Taskun
Status:
Malicious
First seen:
2021-04-02 08:35:48 UTC
AV detection:
10 of 46 (21.74%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot1617573926:AAHNsFP1OMw1hdG4MptOqkYtuw7UzEZ22WU/sendDocument
Unpacked files
SH256 hash:
5eb9a2508a37621cbc5eafa1752697728d11c6f7078e6e7fa21ac862706feb34
MD5 hash:
e0f8dab2b1c7c44a46c9a647df5cc5df
SHA1 hash:
ebd122b03bcd2fbe67ae26374a862927e915193a
SH256 hash:
21c6c1626030fe21cb889b61d4243d52079e08cf2693daf5755e34b40aefcf95
MD5 hash:
8c5a25c95ff144e6a00c505baed317b0
SHA1 hash:
623b3408654d5f52c7bf90965cc6a8117d4033fa
SH256 hash:
fdccaed76f7279e6b8cc1579dadeed03fa1b8d1adcdfbcac585a68da168366d5
MD5 hash:
8b603b23caf00139206f293eb741a9f0
SHA1 hash:
1cc90aec7ce07b13930fe0c088fe3cd155b3ea07
SH256 hash:
23eb242e4f23685da9d82fba572f068eb1ba1ea55f20bde41f30bd180e5688fd
MD5 hash:
eec830ecb1ebfb94d0cc09d9d11de36f
SHA1 hash:
ead37c9ff5a98b2922a5a94e7ce663c3fa74d06d
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 23eb242e4f23685da9d82fba572f068eb1ba1ea55f20bde41f30bd180e5688fd

(this sample)

  
Dropped by
AgentTesla
  
Delivery method
Distributed via e-mail attachment

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