MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 98aaa85705c2a3b84dfbc82c27ade35202fb82fb63018f86ec02ef8f11d7d3aa. 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 3 File information Comments

SHA256 hash: 98aaa85705c2a3b84dfbc82c27ade35202fb82fb63018f86ec02ef8f11d7d3aa
SHA3-384 hash: 2ade88e62b261c1d12fdb92a696faccfa988e08151cc8df6ad370ea053f5a88d8e462a05f1d13572c1956e4998909f03
SHA1 hash: b952b1bca21c96c71c72a3d604d944f497fd705f
MD5 hash: b2e14c1d246984a1fad197fd771046e0
humanhash: bakerloo-jersey-venus-delaware
File name:Quotation #7328071819-Xlsx.com
Download: download sample
Signature AgentTesla
File size:23'552 bytes
First seen:2022-10-21 11:42:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 192:Fnn1EXhHvXrp5GzTfWYA7GrOhwMf6tmTUwcekDlWVu+hzU+Uw74UmL4JJ:ZihHvrpUfWYKchwcZlWVu+5UjG47o
Threatray 20'374 similar samples on MalwareBazaar
TLSH T134B27431D68502A9DC960B799E734CB205E3FDF45B7245AD00ADB93A2F73391062A93F
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 5949656b438b1a5b (1 x RemcosRAT, 1 x AgentTesla)
Reporter 0xToxin
Tags:AgentTesla exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
agenttesla
ID:
1
File name:
Quotation #7328071819-Xlsx.com
Verdict:
Malicious activity
Analysis date:
2022-10-21 11:44:29 UTC
Tags:
agenttesla

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

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Creating a file
Using the Windows Management Instrumentation requests
Reading critical registry keys
Creating a window
Setting a keyboard event handler
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Stealing user critical data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Encrypted powershell cmdline option found
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
May check the online IP address of the machine
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)
Snort IDS alert for network traffic
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 / registry access)
Uses the Telegram API (likely for C&C communication)
Yara detected AgentTesla
Yara detected Costura Assembly Loader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 727500 Sample: Quotation #7328071819-Xlsx.... Startdate: 21/10/2022 Architecture: WINDOWS Score: 100 53 windowsupdatebg.s.llnwi.net 2->53 55 api.telegram.org 2->55 57 2 other IPs or domains 2->57 81 Snort IDS alert for network traffic 2->81 83 Malicious sample detected (through community Yara rule) 2->83 85 Yara detected AgentTesla 2->85 87 10 other signatures 2->87 8 Quotation #7328071819-Xlsx.com.exe 16 7 2->8         started        13 Ozoksnhfc.exe 4 2->13         started        15 Ozoksnhfc.exe 14 3 2->15         started        signatures3 process4 dnsIp5 59 l-0004.l-dc-msedge.net 13.107.43.13, 443, 49708, 49710 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 8->59 61 wy7ffq.ch.files.1drv.com 8->61 67 2 other IPs or domains 8->67 41 C:\Users\user\AppData\...\Ozoksnhfc.exe, PE32 8->41 dropped 43 C:\Users\...\Ozoksnhfc.exe:Zone.Identifier, ASCII 8->43 dropped 45 C:\...\Quotation #7328071819-Xlsx.com.exe.log, ASCII 8->45 dropped 89 Encrypted powershell cmdline option found 8->89 91 Injects a PE file into a foreign processes 8->91 17 Quotation #7328071819-Xlsx.com.exe 3 8->17         started        21 powershell.exe 13 8->21         started        23 Quotation #7328071819-Xlsx.com.exe 8->23         started        63 l-0003.l-dc-msedge.net 13.107.43.12, 443, 49713 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 13->63 65 192.168.2.1 unknown unknown 13->65 69 3 other IPs or domains 13->69 25 powershell.exe 13->25         started        27 Ozoksnhfc.exe 13->27         started        29 Ozoksnhfc.exe 13->29         started        31 Ozoksnhfc.exe 13->31         started        71 3 other IPs or domains 15->71 93 Machine Learning detection for dropped file 15->93 33 powershell.exe 15->33         started        file6 signatures7 process8 dnsIp9 47 api.telegram.org 149.154.167.220, 443, 49724, 49730 TELEGRAMRU United Kingdom 17->47 49 api.ipify.org.herokudns.com 3.232.242.170, 443, 49714, 49729 AMAZON-AESUS United States 17->49 51 api.ipify.org 17->51 73 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 17->73 75 Tries to steal Mail credentials (via file / registry access) 17->75 77 Tries to harvest and steal ftp login credentials 17->77 79 Tries to harvest and steal browser information (history, passwords, etc) 17->79 35 conhost.exe 21->35         started        37 conhost.exe 25->37         started        39 conhost.exe 33->39         started        signatures10 process11
Threat name:
Win32.Trojan.Scarsi
Status:
Malicious
First seen:
2022-10-21 12:15:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger persistence spyware stealer trojan
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
Adds Run key to start application
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
Malware Config
C2 Extraction:
https://api.telegram.org/bot5472075572:AAH72ryjgTKG52VYCqF2mpPaWaPLe7C91tE/
Unpacked files
SH256 hash:
98aaa85705c2a3b84dfbc82c27ade35202fb82fb63018f86ec02ef8f11d7d3aa
MD5 hash:
b2e14c1d246984a1fad197fd771046e0
SHA1 hash:
b952b1bca21c96c71c72a3d604d944f497fd705f
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:INDICATOR_EXE_Packed_SmartAssembly
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
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 98aaa85705c2a3b84dfbc82c27ade35202fb82fb63018f86ec02ef8f11d7d3aa

(this sample)

  
Delivery method
Distributed via e-mail attachment

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