MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0771791b95c7869be68dc8225a8763158d758b73cd83869f55188cd0ec98cbac. 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 2 File information Comments

SHA256 hash: 0771791b95c7869be68dc8225a8763158d758b73cd83869f55188cd0ec98cbac
SHA3-384 hash: f0a959248fffad8957baba88d318857dc9e7c6f5f72efe67a714baad27a6adfd05f77e03b61a7a05396cb5068dd4df58
SHA1 hash: ee1595672da926e1c5630ce961a22071a2f46179
MD5 hash: e47bfff65206f25107f97232d1837eee
humanhash: hawaii-colorado-grey-alanine
File name:Document for FEDEX clearance.exe
Download: download sample
Signature AgentTesla
File size:955'392 bytes
First seen:2020-12-05 15:19:01 UTC
Last seen:2020-12-05 16:41:58 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 12288:JYLMInZllSdTQsG8WNNdkBfiKhu2MGJVg59f2EqoiFT6t1SpmXELC4/433V8KeAm:OTWd0EiKkPST0sDdl
Threatray 1'689 similar samples on MalwareBazaar
TLSH EE15C76D7A5431EEE877D63DCAB81C68EA9935B7930B8507A03701DD8B0E943DF900B6
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: fedex.com
Sending IP: 45.137.22.134
From: Jessie Sheng<norply@fedex.com>
Subject: RE:FEDEX Notification
Attachment: Document for FEDEX clearance.xls (contains "Document for FEDEX clearance.exe")

AgentTesla SMTP exfil server:
smtp.lokalboyz.com:587

Intelligence


File Origin
# of uploads :
2
# of downloads :
334
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Result
Gathering data
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
Found evasive API chain (trying to detect sleep duration tampering with parallel thread)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
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 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 access)
Yara detected AgentTesla
Yara detected AntiVM_3
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-12-05 14:52:44 UTC
AV detection:
22 of 29 (75.86%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Unpacked files
SH256 hash:
0771791b95c7869be68dc8225a8763158d758b73cd83869f55188cd0ec98cbac
MD5 hash:
e47bfff65206f25107f97232d1837eee
SHA1 hash:
ee1595672da926e1c5630ce961a22071a2f46179
SH256 hash:
9584f6d01e6452371cc9b4828030a13045d99c243c497b63628828e66aabe26f
MD5 hash:
7476e403eef14ac403c63c7279831780
SHA1 hash:
8387f558e30dc115987ac2b5c174a41302471abf
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:ach_AgentTesla_20200929
Author:abuse.ch
Description:Detects AgentTesla PE
Rule name:win_agent_tesla_v1
Author:Johannes Bader @viql
Description:detects Agent Tesla

File information


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

Malspam

AgentTesla

Executable exe 0771791b95c7869be68dc8225a8763158d758b73cd83869f55188cd0ec98cbac

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments