MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b60e08f3f6a2b05acdd198f871a933f9bf4e572018adc42ff8313853100f8f9. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: 4b60e08f3f6a2b05acdd198f871a933f9bf4e572018adc42ff8313853100f8f9
SHA3-384 hash: 49dab423b122aea0f8c4df39d7758e8970ea96c741ed423e2e338acfeafb73a0f9652a66b1f8a45cdbd1742a6f515ed9
SHA1 hash: 48b2ee6b536694ffaf2a4314049273b9dc6f5784
MD5 hash: eadf38f48f926e0ce13f0f092ef7754a
humanhash: enemy-summer-victor-ten
File name:Remittance Copy_pdf_________________________.exe
Download: download sample
Signature AgentTesla
File size:1'349'120 bytes
First seen:2022-07-27 07:17:53 UTC
Last seen:2022-07-27 07:35:46 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:9pEcU43g3ZLv4UbIQB9EH8vyWTTJR1TnSbvCFI8PEy6pjQ:PEwKsUb9ECzVP6pjQ
TLSH T15C55BF1133AD9B1AD6AF9BF6E5604B2863F2F806B771D7CE27049AB91C137819C00763
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% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter GovCERT_CH
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
317
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Adding an access-denied ACE
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Searching for synchronization primitives
Launching the process to interact with network services
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Creating a file
Launching a service
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Setting a single autorun event
Adding exclusions to Windows Defender
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
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.expl.evad
Score:
80 / 100
Signature
.NET source code contains very large array initializations
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 autostart registry keys with suspicious names
Disables UAC (registry)
Drops PE files with benign system names
Initial sample is a PE file and has a suspicious name
Malicious sample detected (through community Yara rule)
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)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
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
Yara detected AgentTesla
Yara detected Generic Downloader
Yara detected Telegram RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 674138 Sample: Remittance Copy_pdf________... Startdate: 27/07/2022 Architecture: WINDOWS Score: 80 97 Malicious sample detected (through community Yara rule) 2->97 99 Multi AV Scanner detection for dropped file 2->99 101 Multi AV Scanner detection for submitted file 2->101 103 15 other signatures 2->103 9 Remittance Copy_pdf_________________________.exe 7 10 2->9         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 12 other processes 2->17 process3 dnsIp4 67 C:\Program Files\Common Files\...\svchost.exe, PE32 9->67 dropped 77 2 other files (none is malicious) 9->77 dropped 105 Creates autostart registry keys with suspicious names 9->105 107 Adds a directory exclusion to Windows Defender 9->107 109 Disables UAC (registry) 9->109 111 Adds a new user with administrator rights 9->111 20 80b33aa6-08d1-450f-9540-e4096d6f03fe.exe 9->20         started        22 powershell.exe 23 9->22         started        24 net.exe 1 9->24         started        36 12 other processes 9->36 79 4 other files (2 malicious) 13->79 dropped 26 powershell.exe 13->26         started        28 cmstp.exe 13->28         started        30 cmstp.exe 13->30         started        69 C:\Windows\Temp\uecnc3fd.inf, Windows 15->69 dropped 81 3 other files (1 malicious) 15->81 dropped 32 cmstp.exe 15->32         started        93 127.0.0.1 unknown unknown 17->93 71 C:\Windows\Temp\zogeoqbh.inf, Windows 17->71 dropped 73 C:\Windows\Temp\rektn33c.inf, Windows 17->73 dropped 75 C:\Windows\Temp\qkln2vuz.inf, Windows 17->75 dropped 83 3 other files (1 malicious) 17->83 dropped 113 Query firmware table information (likely to detect VMs) 17->113 115 Changes security center settings (notifications, updates, antivirus, firewall) 17->115 34 cmstp.exe 17->34         started        file5 signatures6 process7 process8 38 PkgMgr.exe 20->38         started        40 conhost.exe 20->40         started        42 conhost.exe 22->42         started        45 net1.exe 1 24->45         started        47 conhost.exe 24->47         started        49 conhost.exe 26->49         started        51 AdvancedRun.exe 36->51         started        54 conhost.exe 36->54         started        56 10 other processes 36->56 dnsIp9 58 Dism.exe 38->58         started        117 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 42->117 61 conhost.exe 45->61         started        63 net1.exe 1 45->63         started        95 192.168.2.1 unknown unknown 51->95 signatures10 process11 file12 85 C:\Users\user\AppData\...\WimProvider.dll.mui, PE32 58->85 dropped 87 C:\Users\user\AppData\...\VhdProvider.dll.mui, PE32 58->87 dropped 89 C:\Users\user\...\UnattendProvider.dll.mui, PE32 58->89 dropped 91 49 other files (none is malicious) 58->91 dropped 65 conhost.exe 58->65         started        process13
Threat name:
ByteCode-MSIL.Trojan.Tedy
Status:
Malicious
First seen:
2022-07-27 03:01:48 UTC
File Type:
PE (.Net Exe)
AV detection:
17 of 26 (65.38%)
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
System policy modification
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Checks whether UAC is enabled
Maps connected drives based on registry
Checks BIOS information in registry
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
Windows security modification
Executes dropped EXE
Looks for VMWare Tools registry key
Grants admin privileges
Looks for VirtualBox Guest Additions in registry
Nirsoft
AgentTesla
UAC bypass
Windows security bypass
Malware Config
C2 Extraction:
https://api.telegram.org/bot5249845718:AAGAU-0wsEoqm32Ml21Y0Irz58kvd5j9Gss/sendDocument
Unpacked files
SH256 hash:
70b785e5cb5b2e61c0f5da4a71ab0bbd14d9a0849387f037e0d75cc1ffe0a082
MD5 hash:
5951b52c9b4d11ca7f4f33e5a3fb2c31
SHA1 hash:
0bc54fd699fff7b93e5c447a141c0d904924ab0d
SH256 hash:
8029db5cc07d5b2f2bfb7233f4787db1123b1917ecefba835ab52bc478c4c29b
MD5 hash:
5f43598cda991cbf6a6ad0e38220981a
SHA1 hash:
06f41ec4fe2bad78bbb33678a34d3f5b5b39cf3e
SH256 hash:
4b60e08f3f6a2b05acdd198f871a933f9bf4e572018adc42ff8313853100f8f9
MD5 hash:
eadf38f48f926e0ce13f0f092ef7754a
SHA1 hash:
48b2ee6b536694ffaf2a4314049273b9dc6f5784
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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

File information


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

Malspam

AgentTesla

Executable exe 4b60e08f3f6a2b05acdd198f871a933f9bf4e572018adc42ff8313853100f8f9

(this sample)

  
Delivery method
Distributed via e-mail attachment

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