MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37dc167da39f0b4322d8936d32185c2c99931b63284cc9edb230abd513dffbf1. 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



Neshta


Vendor detections: 15


Intelligence 15 IOCs YARA 2 File information Comments

SHA256 hash: 37dc167da39f0b4322d8936d32185c2c99931b63284cc9edb230abd513dffbf1
SHA3-384 hash: cc4657d66e40b060641696340061d2341d730e06f27acc6de240025049f6be2bce783ad73512a2cf45dc4a544f5aa980
SHA1 hash: 0eb5fbf3449bafbb9bdd11fa6643fd6ba5fe9caa
MD5 hash: edc5875efb7cdf0275748fe179393fcf
humanhash: white-hot-delta-edward
File name:UPDATED STATEMENT OF ACCOUNT.exe
Download: download sample
Signature Neshta
File size:1'028'096 bytes
First seen:2023-06-20 06:01:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 24576:qb903YAzu4CZdOwKuCtRn+WYANJUsQW9Ehpm47D9EfZoOyg5xPe:1z6ZYwB6RHYO0/hNxELzPe
Threatray 3'059 similar samples on MalwareBazaar
TLSH T1172522609A9A8A17C1470FB4A530E334627C8EDA7761D7DB1DCB3DCBBE25BC9043458A
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 2b2555676501612b (15 x AgentTesla, 3 x Loki, 2 x Neshta)
Reporter lowmal3
Tags:exe Neshta

Intelligence


File Origin
# of uploads :
1
# of downloads :
252
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
UPDATED STATEMENT OF ACCOUNT.exe
Verdict:
Malicious activity
Analysis date:
2023-06-20 06:17:10 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 custom TCP request
Creating a process with a hidden window
Launching a process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
formbook 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, Neshta
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Creates an undocumented autostart registry key
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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)
Sample uses string decryption to hide its real strings
Sigma detected: Scheduled temp file as task from temp location
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 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 Neshta
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 891697 Sample: UPDATED_STATEMENT_OF_ACCOUNT.exe Startdate: 20/06/2023 Architecture: WINDOWS Score: 100 111 Snort IDS alert for network traffic 2->111 113 Found malware configuration 2->113 115 Malicious sample detected (through community Yara rule) 2->115 117 10 other signatures 2->117 9 UPDATED_STATEMENT_OF_ACCOUNT.exe 7 2->9         started        13 gbohXANY.exe 3 5 2->13         started        15 svchost.com 2->15         started        17 svchost.com 2->17         started        process3 file4 79 C:\Users\user\AppData\Roaming\gbohXANY.exe, PE32 9->79 dropped 81 C:\Users\...\gbohXANY.exe:Zone.Identifier, ASCII 9->81 dropped 83 C:\Users\user\AppData\Local\...\tmp4D47.tmp, XML 9->83 dropped 85 C:\...\UPDATED_STATEMENT_OF_ACCOUNT.exe.log, ASCII 9->85 dropped 161 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 9->161 163 May check the online IP address of the machine 9->163 165 Uses schtasks.exe or at.exe to add and modify task schedules 9->165 167 Adds a directory exclusion to Windows Defender 9->167 19 UPDATED_STATEMENT_OF_ACCOUNT.exe 17 12 9->19         started        24 powershell.exe 20 9->24         started        26 powershell.exe 21 9->26         started        36 3 other processes 9->36 169 Multi AV Scanner detection for dropped file 13->169 171 Injects a PE file into a foreign processes 13->171 28 gbohXANY.exe 13->28         started        30 svchost.com 13->30         started        87 C:\Users\user\Downloads\ChromeSetup.exe, PE32 15->87 dropped 173 Antivirus detection for dropped file 15->173 175 Machine Learning detection for dropped file 15->175 32 UmajCN.exe 15->32         started        34 UmajCN.exe 17->34         started        signatures5 process6 dnsIp7 95 api4.ipify.org 173.231.16.76, 443, 49701, 49702 WEBNXUS United States 19->95 97 api.telegram.org 149.154.167.220, 443, 49703, 49704 TELEGRAMRU United Kingdom 19->97 103 2 other IPs or domains 19->103 65 C:\Users\user\AppData\Roaming\...\UmajCN.exe, PE32 19->65 dropped 67 C:\Users\user\AppData\Roaming\...\bin.exe, PE32 19->67 dropped 69 C:\Users\user\...\UmajCN.exe:Zone.Identifier, ASCII 19->69 dropped 119 Tries to steal Mail credentials (via file / registry access) 19->119 121 Hides that the sample has been downloaded from the Internet (zone.identifier) 19->121 123 Installs a global keyboard hook 19->123 38 bin.exe 19->38         started        42 conhost.exe 24->42         started        44 conhost.exe 26->44         started        99 64.185.227.155, 443, 49707, 49708 WEBNXUS United States 28->99 101 api.ipify.org 28->101 125 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 28->125 46 schtasks.exe 30->46         started        127 Multi AV Scanner detection for dropped file 32->127 129 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 32->129 131 May check the online IP address of the machine 32->131 133 Drops executables to the windows directory (C:\Windows) and starts them 34->133 135 Injects a PE file into a foreign processes 34->135 48 UmajCN.exe 34->48         started        51 svchost.com 34->51         started        53 conhost.exe 36->53         started        file8 signatures9 process10 dnsIp11 71 C:\Windows\svchost.com, PE32 38->71 dropped 73 C:\Users\user\AppData\Local\Temp\...\bin.exe, PE32 38->73 dropped 75 C:\ProgramData\Adobe\Setup\...\setup.exe, PE32 38->75 dropped 77 2 other malicious files 38->77 dropped 137 Antivirus detection for dropped file 38->137 139 Creates an undocumented autostart registry key 38->139 141 Machine Learning detection for dropped file 38->141 151 3 other signatures 38->151 55 bin.exe 38->55         started        59 conhost.exe 46->59         started        89 api4.ipify.org 48->89 91 api.telegram.org 48->91 93 api.ipify.org 48->93 143 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 48->143 145 Tries to steal Mail credentials (via file / registry access) 48->145 147 Tries to harvest and steal browser information (history, passwords, etc) 48->147 149 Installs a global keyboard hook 48->149 61 schtasks.exe 51->61         started        file12 signatures13 process14 dnsIp15 105 api4.ipify.org 55->105 107 api.telegram.org 55->107 109 api.ipify.org 55->109 153 Multi AV Scanner detection for dropped file 55->153 155 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 55->155 157 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 55->157 159 4 other signatures 55->159 63 conhost.exe 61->63         started        signatures16 process17
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-06-20 02:17:29 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 36 (50.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:agenttesla family:neshta collection keylogger persistence spyware stealer trojan
Behaviour
Creates scheduled task(s)
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: SetClipboardViewer
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 Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies system executable filetype association
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Detect Neshta payload
Neshta
Malware Config
C2 Extraction:
https://api.telegram.org/bot6273608329:AAG3u2MeOPuXoRF0JxN21l5a1qWq-w0byv8/
https://api.telegram.org/bot6198912739:AAFWwPOzcAOeh_bttxtGKKR_RIR4wgbcmQU/
Unpacked files
SH256 hash:
bf30f7032a6e2fdd6a872718de569645dda2c9e734a4f90a77e5af9a58d75812
MD5 hash:
29432c0db5445ce74b8a1042234187af
SHA1 hash:
fdc1bce5c868fbaed48ff27b3cc73b752bc66e75
SH256 hash:
52f358d201e81d3a0391cedd3042e2f957555b77aa49559f7fb810bbb7673ba1
MD5 hash:
c785ddc46141af772c75101d17c46a41
SHA1 hash:
e248723b6f60cc7607980d07172b64c33b2b2f15
SH256 hash:
670528c7a4159c2aa4b694d980d452d2726ab610e6d8e1203115885d0c1ebad1
MD5 hash:
23b1671367d09fb03de4f10c43ae5daa
SHA1 hash:
bb497e49d57297e7daadabad23ba6a0c63e48c7b
SH256 hash:
effc560feb8b2f2fc24623db4f5f8a6a017dcc5a5de38409e20c19481ccd3809
MD5 hash:
fcb0dbacc739c81de75bdde6375004c4
SHA1 hash:
a8187c67a490d22b32867d9b3743a5b188d368b0
SH256 hash:
37dc167da39f0b4322d8936d32185c2c99931b63284cc9edb230abd513dffbf1
MD5 hash:
edc5875efb7cdf0275748fe179393fcf
SHA1 hash:
0eb5fbf3449bafbb9bdd11fa6643fd6ba5fe9caa
Malware family:
AgentTesla.v4
Verdict:
Malicious
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: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

Neshta

Executable exe 37dc167da39f0b4322d8936d32185c2c99931b63284cc9edb230abd513dffbf1

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments