MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58657dbaa63e410298b6c5872f94381f5e427965d2826caa56e1ab58109c9cd1. 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: 3


Intelligence 3 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 58657dbaa63e410298b6c5872f94381f5e427965d2826caa56e1ab58109c9cd1
SHA3-384 hash: 04218ceac22783512e5cab07e88c8af8ea38c6598e94ae920c41dfcc5a368c1a2e256a6d05eb1ee4c347c42a24d7ec8a
SHA1 hash: 873307a46198c224be2970670bd148d5490371b8
MD5 hash: a2cd28731f8b8b164fcf9d8516061481
humanhash: carolina-virginia-music-maryland
File name:3uSc5RcdV4YMnQM.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:664'064 bytes
First seen:2020-05-01 17:36:26 UTC
Last seen:2020-05-03 07:14:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:ykDDKtFmwnTfMO+M7eYPDff3wf4feK9PZ4HkbpO7o7Om/4IrkO:XDKC0QXYT/wfsesCGO7o7ZAIrkO
Threatray 30 similar samples on MalwareBazaar
TLSH 4AE4CF281AF9551DF9FF8BB895AD2151CBF8B6633603F7AE44D012990D73B41CD8222B
Reporter abuse_ch
Tags:AgentTesla exe


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: tokyoplast.com
Sending IP: 103.145.253.9
From: FACEBOOK <cs@tokyoplast.com>
Subject: Re: FACEBOOK NOTIFICATION ON CHANGE OF PASSWORD
Attachment: FB_DETAILS.zip (contains "3uSc5RcdV4YMnQM.exe")

AgentTesla SMTP exfil server:
mail.islandkingpools.com:587

Intelligence

File Origin
# of uploads :
4
# of downloads :
94
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.BehavesLike.Win32.Generic.jc.4932.UNOFFICIAL
Create hunting rule

Gathering data
Threat name:
Win32.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-01 18:27:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
28 of 31 (90.32%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=lbsx3ovghzaqfgfwywds7fbyd5pee6lf2kbgzksw4gvvqee4ttiq._file
Verdict:
unknown
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90c983c0a5db34d281c7dfe887f8f9273a63c935187a74240fefb5e866bc295d
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95708fbe180a43fbef0014d207456fd8812cb202d77e1078c466ca474e38c7a8
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c371004e8407621dcf815c95f130ef0bbfeec0dfcee1433800e56a9b247b8702
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d53e1cc243a49cf35101c2fa4b837949450d7c6655c999f82a2491c421fb9ee0
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ddbe4689702130a4dc5d5133c517f466a47e003b645326c7dded00247bde315f
AgentTesla
+ 20 additional samples on MalwareBazaar
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:CAP_HookExKeylogger
Create hunting rule
Author:Brian C. Bell -- @biebsmalwareguy
Reference:https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar

File information

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

Malspam

AgentTesla

zip 6a961ef7527f8e882beacb32f45a2ec586b812afb3d5d0253cde8724393d3927

AgentTesla

Executable exe 58657dbaa63e410298b6c5872f94381f5e427965d2826caa56e1ab58109c9cd1

(this sample)

  
Dropped by
MD5 2d0b9f640a8e6585e558c21ca1093fbc
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 6a961ef7527f8e882beacb32f45a2ec586b812afb3d5d0253cde8724393d3927

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