MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27f576bd27f707cd9c62164def16b57878fd6d1d1ae6bbf1f905d4668c298517. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: 27f576bd27f707cd9c62164def16b57878fd6d1d1ae6bbf1f905d4668c298517
SHA3-384 hash: 8bd52101e4bb0c9fc7ed5ed5abca620ff621b544890554c4a60aaf80d6e108cafbbb5c066829d9eb6abfa57dd9083153
SHA1 hash: 847a83979e9d35acdf272240f1a6363e14b27d02
MD5 hash: 2e8502f4e8a4d7c1b230ee94edf86196
humanhash: alaska-monkey-fifteen-lima
File name:Bank details of the swift transfer 1001231059.exe
Download: download sample
Signature AgentTesla
File size:791'040 bytes
First seen:2020-08-30 09:07:37 UTC
Last seen:2020-08-30 09:52:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a7ae71f40f4b9a38a2fe255a9bfb6ae9 (1 x 404Keylogger, 1 x AgentTesla)
ssdeep 12288:998CjZ51h4pZo/lmykrhtxJ6jTPjgQaAXv11+dq4qKMKRBXQaY7s:oCYpDvDcPjgdA/TWBXX
Threatray 10'716 similar samples on MalwareBazaar
TLSH 9DF4B026F2E04433D167267C9C1B57B49C3ABE106F24A8B66BF5DC4C9F39791342A293
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: gmail.com
Sending IP: 185.222.57.207
From: Jordan Young <youngjor189@gmail.com>
Subject: RE: BANK TRANSFER SLIP
Attachment: Bank details of the swift transfer 1001231059.gz (contains "Bank details of the swift transfer 1001231059.exe")

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

Intelligence


File Origin
# of uploads :
2
# of downloads :
105
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending a UDP request
Using the Windows Management Instrumentation requests
Reading critical registry keys
Stealing user critical data
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains functionality to detect sleep reduction / modifications
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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)
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:
Threat name:
Win32.Trojan.Kryptik
Status:
Malicious
First seen:
2020-08-29 05:08:17 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
upx keylogger stealer spyware trojan family:agenttesla
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
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 Payload
AgentTesla
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:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar
Rule name:win_agent_tesla_w1
Author:govcert_ch
Description:Detect Agent Tesla based on common .NET code sequences

File information


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

Malspam

AgentTesla

Executable exe 27f576bd27f707cd9c62164def16b57878fd6d1d1ae6bbf1f905d4668c298517

(this sample)

  
Delivery method
Distributed via e-mail attachment

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