MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9bdecad95f12652d5836428a1b1fe94467156f0d7c2743101b1350961da720c. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: b9bdecad95f12652d5836428a1b1fe94467156f0d7c2743101b1350961da720c
SHA3-384 hash: ab1837da807361c9b43a998f909902c4e3eb2a8d8e285dde56d48ab9472da6fd6adef34045b772d55398b49f1e4aaada
SHA1 hash: 9333a81930eef7f5fe68dc5fa755f3b18647d853
MD5 hash: 28932085303e002c23d6c77b4643f0c1
humanhash: golf-hydrogen-september-floor
File name:Lista de compras pdf.exe
Download: download sample
Signature AgentTesla
File size:1'013'248 bytes
First seen:2021-07-17 06:53:52 UTC
Last seen:2021-07-17 07:44:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:L0B2xZ0EG3KQyTs4XlhyI/vbUDH1XwYJgDgeoQw7yATlGdwOCyn+gdbWh+EDyUZ:QPHSGogeoN+WGdwQ+pt2U
Threatray 6'978 similar samples on MalwareBazaar
TLSH T1DF251F3EAAA42A27B777D2644681C015F9BC41DB36395DD742C7698C390E8027EE7F2C
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
AgentTesla SMTP exfil server:
us2.smtp.mailhostbox.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
182
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Lista de compras pdf.exe
Verdict:
Suspicious activity
Analysis date:
2021-07-17 06:56:22 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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 very large array initializations
.NET source code contains very large strings
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Moves itself to temp directory
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)
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 access)
Yara detected AgentTesla
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 450189 Sample: Lista de compras pdf.exe Startdate: 17/07/2021 Architecture: WINDOWS Score: 100 41 Found malware configuration 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AgentTesla 2->45 47 6 other signatures 2->47 6 Lista de compras pdf.exe 3 2->6         started        10 YYtJku.exe 3 2->10         started        12 YYtJku.exe 2 2->12         started        process3 file4 25 C:\Users\...\Lista de compras pdf.exe.log, ASCII 6->25 dropped 49 Injects a PE file into a foreign processes 6->49 14 Lista de compras pdf.exe 2 5 6->14         started        51 Multi AV Scanner detection for dropped file 10->51 53 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 10->53 55 Machine Learning detection for dropped file 10->55 57 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 10->57 19 YYtJku.exe 2 10->19         started        21 YYtJku.exe 10->21         started        23 YYtJku.exe 10->23         started        signatures5 process6 dnsIp7 31 us2.smtp.mailhostbox.com 208.91.199.223, 49737, 587 PUBLIC-DOMAIN-REGISTRYUS United States 14->31 27 C:\Users\user\AppData\Roaming\...\YYtJku.exe, PE32 14->27 dropped 29 C:\Users\user\...\YYtJku.exe:Zone.Identifier, ASCII 14->29 dropped 33 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->33 35 Moves itself to temp directory 14->35 37 Tries to steal Mail credentials (via file access) 14->37 39 3 other signatures 14->39 file8 signatures9
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-07-16 22:44:17 UTC
AV detection:
11 of 46 (23.91%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: RenamesItself
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla Payload
AgentTesla
Unpacked files
SH256 hash:
ea5e363a44a34a938f0411b112b38700274856dac73ebb489395bc937a60810b
MD5 hash:
a231eb4953142b05b51275bfbe973d03
SHA1 hash:
ebe7c2133673d5df26a8ece835ba7412cc28f222
SH256 hash:
82a4065578bf324c5a382d4e43510bfe37dc2d4accaa25792aecea77c7387714
MD5 hash:
ecff0ff8f308ad9a7ab4e8d8c6632f1f
SHA1 hash:
b2149cd8ad0767e9ee467d85f7f5d97494ecb07a
SH256 hash:
e7e43a1a41d17faca31a0a0e089dea7375b1c94af586fe7b7f402b6f73eb934e
MD5 hash:
262eaac18d684cb9861a82767bfcd5c9
SHA1 hash:
76a0d664ba21bc7fab21f89bd03609a07e90e105
SH256 hash:
f74c4399ecd5bed8c57800fead66af7663f5ee7c1396f32f10858e87cf547ef8
MD5 hash:
b9a031a3e82057223b121f050f7c0dbf
SHA1 hash:
16fbcbc1bf8b59f98b113aa9a979537ff6cb4c2a
SH256 hash:
b9bdecad95f12652d5836428a1b1fe94467156f0d7c2743101b1350961da720c
MD5 hash:
28932085303e002c23d6c77b4643f0c1
SHA1 hash:
9333a81930eef7f5fe68dc5fa755f3b18647d853
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

AgentTesla

Executable exe b9bdecad95f12652d5836428a1b1fe94467156f0d7c2743101b1350961da720c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments