MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b3ba263cbfc7f0f0f3c606591854972bd6df967c23f863dc324bfc045890447. 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: 4


Intelligence 4 IOCs YARA 3 File information Comments

SHA256 hash: 4b3ba263cbfc7f0f0f3c606591854972bd6df967c23f863dc324bfc045890447
SHA3-384 hash: 2a954740825d0f2f46a97aa16ab5d796255e0d124e9177019e458e7d7637b905088c1326cdcec2756ca137d57aa2a252
SHA1 hash: 63d497e822d2a52c4f7497803a4efc12e0d7e737
MD5 hash: 40eefff529c60f688c4ac0f419ab5bc2
humanhash: winner-bluebird-arizona-blossom
File name:CFFDA FOB MOQ Test Kits covid-19.exe
Download: download sample
Signature AgentTesla
File size:367'616 bytes
First seen:2020-04-03 16:20:33 UTC
Last seen:2020-04-03 16:41:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:apYFE2yJZQvnPImFVpGhANpv4UHZloLceTDszw5Etg5WRrDFYssWIwcIbbFB6v4n:apjpmbpwbZTDszE4nmp3IfGvgoK
Threatray 10'603 similar samples on MalwareBazaar
TLSH F674120473DA46DBDF3E28F4F6938E9103B51025B25BE38ADEC864B218853D191979FB
Reporter abuse_ch
Tags:AgentTesla COVID-19 exe


Avatar
abuse_ch
COVID-19 themed malspam distributing AgentTesla:

HELO: linux787.grserver.gr
Sending IP: 185.4.133.216
From: Sales1 <info@guruvarma.com>
Subject: Re: CF&FDA FOB MOQ Test Kits covid-19
Attachment: CFFDA FOB MOQ Test Kits covid-19.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
89
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Grp
Status:
Malicious
First seen:
2020-04-03 23:53:57 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
24 of 30 (80.00%)
Threat level:
  2/5
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_g2
Author:Daniel Plohmann <daniel.plohmann@fkie.fraunhofer.de>

File information


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

Malspam

AgentTesla

Executable exe 4b3ba263cbfc7f0f0f3c606591854972bd6df967c23f863dc324bfc045890447

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments