MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eafbc4c031ce80d3b797f067bf78058ba1fee03ee2d335a2e7217371206b3b2f. 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: 11


Intelligence 11 IOCs YARA 7 File information Comments

SHA256 hash: eafbc4c031ce80d3b797f067bf78058ba1fee03ee2d335a2e7217371206b3b2f
SHA3-384 hash: 114d8923d6ec5f512c5c88b6968c17a0affc2bac81c253e35dadf38ba6cdb9ddcd30676acf510273a408e2ee2dd943fe
SHA1 hash: 194780f459d270776be08f63a3046b663e8b836e
MD5 hash: b404c69060da9ebd3c33face73d2bf97
humanhash: river-zebra-coffee-nine
File name:MT-QUOTE 90920028726Y27.exe
Download: download sample
Signature AgentTesla
File size:787'456 bytes
First seen:2022-01-18 04:19:58 UTC
Last seen:2022-01-18 05:42:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'205 x SnakeKeylogger)
ssdeep 24576:C+15Yyg9NNrtDZ+zCl9rEtOJpTet3Pd4r3XG4Vu2:C+1Jg9DxZnlR3JgL4r
Threatray 13'797 similar samples on MalwareBazaar
TLSH T129F4231CB2B1A612C46D1FF32CD44A8527B4AA6FA875EB094D9F50F838F3361275C2E5
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
181
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
MT-QUOTE 90920028726Y27.exe
Verdict:
Malicious activity
Analysis date:
2022-01-18 04:25:33 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
DNS request
Adding an access-denied ACE
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Launching the process to interact with network services
Creating a file in the Windows subdirectories
Creating a window
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Setting a single autorun event
Forced shutdown of a system process
Adding exclusions to Windows Defender
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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.expl.evad
Score:
100 / 100
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
Adds a new user with administrator rights
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to hide user accounts
Creates an autostart registry key pointing to binary in C:\Windows
Creates autostart registry keys with suspicious names
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with benign system names
Injects a PE file into a foreign processes
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: Bypass UAC via CMSTP
Sigma detected: Hurricane Panda Activity
Sigma detected: Powershell Defender Exclusion
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 554634 Sample: MT-QUOTE 90920028726Y27.exe Startdate: 18/01/2022 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for submitted file 2->54 56 Yara detected UAC Bypass using CMSTP 2->56 58 Yara detected AgentTesla 2->58 60 15 other signatures 2->60 7 MT-QUOTE 90920028726Y27.exe 5 6 2->7         started        11 svchost.exe 2->11         started        13 MT-QUOTE 90920028726Y27.exe 2->13         started        15 8 other processes 2->15 process3 file4 42 C:\Windows\Cursors\...\svchost.exe, PE32 7->42 dropped 44 C:\Users\...\MT-QUOTE 90920028726Y27.exe.log, ASCII 7->44 dropped 62 Creates autostart registry keys with suspicious names 7->62 64 Creates an autostart registry key pointing to binary in C:\Windows 7->64 66 Writes to foreign memory regions 7->66 68 Adds a new user with administrator rights 7->68 17 aspnet_compiler.exe 7->17         started        20 net.exe 1 7->20         started        22 net.exe 1 7->22         started        24 12 other processes 7->24 46 C:\Windows\Temp\iyjblqou.inf, Windows 11->46 dropped 70 Multi AV Scanner detection for dropped file 11->70 72 Machine Learning detection for dropped file 11->72 74 Adds a directory exclusion to Windows Defender 11->74 48 C:\Windows\Temp\bcsltfrb.inf, Windows 13->48 dropped 76 Injects a PE file into a foreign processes 13->76 78 Changes security center settings (notifications, updates, antivirus, firewall) 15->78 signatures5 process6 signatures7 50 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 17->50 52 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 17->52 26 conhost.exe 20->26         started        28 net1.exe 1 20->28         started        30 conhost.exe 22->30         started        32 net1.exe 1 22->32         started        34 conhost.exe 24->34         started        36 conhost.exe 24->36         started        38 net1.exe 1 24->38         started        40 6 other processes 24->40 process8
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-01-18 02:17:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection evasion keylogger persistence spyware stealer trojan
Behaviour
Runs net.exe
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
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks BIOS information in registry
Windows security modification
AgentTesla Payload
Grants admin privileges
AgentTesla
Windows security bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot2030557675:AAF2CRvHF_rfT7tYXz9VN8YUb6kF5qxu_xg/sendDocument
Unpacked files
SH256 hash:
d90a9f123907895a6336d96c8a5d38137541f19851c929e38811fd8875281813
MD5 hash:
213e8b9407d93b62bad6ef7906360a23
SHA1 hash:
f9b56dc2606a565aac215cc1fcbc06a727f4a4be
SH256 hash:
480cc48d4457261de6a1f68d9b29f19d07e21bb52f2f9187c260e8371f90cda7
MD5 hash:
72d0f227d43c279dd8b8ea47a31aaff8
SHA1 hash:
8b16efcedd19a3a2d1e58f217e645eb09f4604d6
SH256 hash:
fd8bd5ff011d30705b082cca6157fcb28265b26c539da798a51d84fd9af2986b
MD5 hash:
4b346c6046ec8dd5e349ae7f05a90e4f
SHA1 hash:
71da67baa7af881b3e640ce28d0c6c2a81c15729
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
eafbc4c031ce80d3b797f067bf78058ba1fee03ee2d335a2e7217371206b3b2f
MD5 hash:
b404c69060da9ebd3c33face73d2bf97
SHA1 hash:
194780f459d270776be08f63a3046b663e8b836e
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:AgentTeslaV3
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:MALWARE_Win_AgentTeslaV3
Author:ditekSHen
Description:AgentTeslaV3 infostealer payload
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Telegram_Exfiltration_Via_Api
Author:lsepaolo
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 eafbc4c031ce80d3b797f067bf78058ba1fee03ee2d335a2e7217371206b3b2f

(this sample)

  
Dropped by
agenttesla
  
Delivery method
Distributed via e-mail attachment

Comments