MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b19e9183915045a170b5156d43e7c88c21522abd259e93745efc8a1b1a7350a8. 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 2 File information Comments 1

SHA256 hash: b19e9183915045a170b5156d43e7c88c21522abd259e93745efc8a1b1a7350a8
SHA3-384 hash: cce80a6da03d5fe0dd2433f3f6221bd5342d6aafe1f33b7700c6d6b35f9e66c46600771df58eef680442bb76951f8664
SHA1 hash: 528f0751c0fd521051c5183f4689e8550bb176e4
MD5 hash: 15668b3e6c8645602a47aebae512a0dd
humanhash: blue-high-red-ohio
File name:15668b3e6c8645602a47aebae512a0dd
Download: download sample
Signature AgentTesla
File size:885'760 bytes
First seen:2022-03-24 12:34:23 UTC
Last seen:2022-03-24 14:39:48 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:H7vVRwEYrnlhpyOnIQjECWPV6kF8pcPjvEvAEpyYPz4iGGhgbN++4GN2aFr1NrEt:b9Rw1rnl1nFEgkypqr6AEpT77
Threatray 16'240 similar samples on MalwareBazaar
TLSH T1E215849DB6F072DFC867C472DAA81C68FB9074BB930B8103905715ADAA4D997CF142F2
Reporter zbetcheckin
Tags:32 AgentTesla exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
221
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Creating a file
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated 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.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code contains very large strings
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
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)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 / registry access)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 596223 Sample: bXbHYNFdbN Startdate: 24/03/2022 Architecture: WINDOWS Score: 100 27 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 Multi AV Scanner detection for dropped file 2->31 33 10 other signatures 2->33 7 bXbHYNFdbN.exe 6 2->7         started        process3 file4 19 C:\Users\user\AppData\Roaming\UNazZUH.exe, PE32 7->19 dropped 21 C:\Users\user\AppData\Local\...\tmp3821.tmp, XML 7->21 dropped 23 C:\Users\user\AppData\...\bXbHYNFdbN.exe.log, ASCII 7->23 dropped 35 Detected unpacking (changes PE section rights) 7->35 37 Detected unpacking (overwrites its own PE header) 7->37 39 Uses schtasks.exe or at.exe to add and modify task schedules 7->39 41 2 other signatures 7->41 11 RegSvcs.exe 15 2 7->11         started        15 schtasks.exe 1 7->15         started        signatures5 process6 dnsIp7 25 ftp.alonsorojasmudanzasnacionales.com 162.213.251.217, 12082, 21, 49778 NAMECHEAP-NETUS United States 11->25 43 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->43 45 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 11->45 47 Tries to steal Mail credentials (via file / registry access) 11->47 49 4 other signatures 11->49 17 conhost.exe 15->17         started        signatures8 process9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-03-24 12:35:13 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer suricata trojan
Behaviour
Creates scheduled task(s)
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
Checks computer location settings
AgentTesla
suricata: ET MALWARE AgentTesla Exfil via FTP
Unpacked files
SH256 hash:
408ce636161cfefdcace5b79023cb136dbb5d37e0fe5cf93ed0b866e6a2569ed
MD5 hash:
f29d5eededf01e20dcfbe132aa6790a4
SHA1 hash:
b89a88402277ea19b19ec78b42802f34f4ff6098
SH256 hash:
6eb1810a1cba66b6601d8ae8dc904898d207c0781378f2a6839117a8ee0c3712
MD5 hash:
1789d5a51dd5cb740637b6139af77961
SHA1 hash:
9853cfecd00f733921be014dcfe3ff4b93c92cdd
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
b19e9183915045a170b5156d43e7c88c21522abd259e93745efc8a1b1a7350a8
MD5 hash:
15668b3e6c8645602a47aebae512a0dd
SHA1 hash:
528f0751c0fd521051c5183f4689e8550bb176e4
Malware family:
AgentTesla
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.

Web download

AgentTesla

Executable exe b19e9183915045a170b5156d43e7c88c21522abd259e93745efc8a1b1a7350a8

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-03-24 12:34:26 UTC

url : hxxp://192.3.247.171/223/vbc.exe