MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f7a4d62b491af06b4516daf257d1fa797ba9e065f452ce0d71e3b6f0fbc6a45. 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: 7


Intelligence 7 IOCs YARA 2 File information Comments

SHA256 hash: 4f7a4d62b491af06b4516daf257d1fa797ba9e065f452ce0d71e3b6f0fbc6a45
SHA3-384 hash: d88f793b09ad9dfe357757f620e984fc6d5009d19fec7aaa3c785e5381308aad604fa6deaf99706e0565a94f5000635c
SHA1 hash: e1f196be597b09aa04e579c0d262430c3ceef1af
MD5 hash: 85dce22797e101bc36b616796e95acd3
humanhash: music-sink-india-alabama
File name:Richiesta Urgente.pdf.exe
Download: download sample
Signature AgentTesla
File size:805'888 bytes
First seen:2020-11-18 12:55:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5113dec31b8616dbad783836e7188783 (11 x AgentTesla, 2 x HawkEye, 2 x Loki)
ssdeep 12288:Sl1aMljBMKnw6WJoGPb5FUoRAVyImHlawsj8e5G7G0XNx:UJCKxWfPNFwyIUlawu5G6AT
Threatray 2'906 similar samples on MalwareBazaar
TLSH 64059F23A2A15873C1E316788CCF6BB8AD2EBED03917B9876BF41D48DF392813515197
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: normansrl.com
Sending IP: 185.239.242.114
From: elvira.vairo@normansrl.com
Subject: Richiesta Urgente
Attachment: Richiesta Urgente.pdf.zip (contains "Richiesta Urgente.pdf.exe")

Intelligence


File Origin
# of uploads :
1
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Unauthorized injection to a recently created process
Using the Windows Management Instrumentation requests
Result
Gathering data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Maps a DLL or memory area into another process
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 Double Extension
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)
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AgentTesla
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Negasteal
Status:
Malicious
First seen:
2020-11-18 11:04:19 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
  2/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla keylogger spyware stealer trojan upx
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
UPX packed file
AgentTesla
Unpacked files
SH256 hash:
4f7a4d62b491af06b4516daf257d1fa797ba9e065f452ce0d71e3b6f0fbc6a45
MD5 hash:
85dce22797e101bc36b616796e95acd3
SHA1 hash:
e1f196be597b09aa04e579c0d262430c3ceef1af
SH256 hash:
0f91fdd73dfd78bf5a35bce9ea508fa70eb1ca86a13eaa80a484d7e724ef4434
MD5 hash:
4f7fa0910f13ee231ca679fb3b1e18fb
SHA1 hash:
9ac60ced1ade9c027ad3f12c498d08d67b574ce4
SH256 hash:
b27a2fea932c9aa830756a19a9ca520f4b3aee94eecd53b6343e4fc61ffa5c86
MD5 hash:
dc4356c906096b55f3f30c8b5fde1089
SHA1 hash:
f953dbe2779af8707fc0980dbf81dad7c32e3c2b
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 4f7a4d62b491af06b4516daf257d1fa797ba9e065f452ce0d71e3b6f0fbc6a45

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments