MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 51adbc71533c8f874ff31411729f5a7015a9f55870e6a71d6450082302899050. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 51adbc71533c8f874ff31411729f5a7015a9f55870e6a71d6450082302899050
SHA3-384 hash: a4f329815b49fd018bfb1273da14b9571be273963a5b00ef766ed12f027fb95279dcaffd4e563fa46e9df20b67c99fe4
SHA1 hash: 6ebd21a95aa3da7e7393ced35c9dbda71c2fc896
MD5 hash: 6abbfc371a8d6898cb7465ac4d198c41
humanhash: green-low-eleven-glucose
File name:DOCUMENT-001.exe
Download: download sample
Signature AgentTesla
Create hunting rule
File size:787'112 bytes
First seen:2020-05-01 15:00:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:XJg2gzFOzS8lwcr0v1ibvH0WnYoWlYWb7m:q2gROG8jrvvi7m
Threatray 10'517 similar samples on MalwareBazaar
TLSH 6BF46B3B7A446402D13C09B190A596D17672AAC73E01CB8F39CAB7AC6F977CB370525E
Reporter abuse_ch
Tags:AgentTesla exe

Code Signing Certificate

Organisation:DigiCert High Assurance EV Root CA
Issuer:DigiCert High Assurance EV Root CA
Algorithm:sha1WithRSAEncryption
Valid from:Nov 10 00:00:00 2006 GMT
Valid to:Nov 10 00:00:00 2031 GMT
Serial number: 02AC5C266A0B409B8F0B79F2AE462577
Intelligence: 204 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: 7431E5F4C3C1CE4690774F0B61E05440883BA9A01ED00BA6ABD7806ED3B118CF
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: smtp.ostec-qroup.ru
Sending IP: 104.168.253.210
From: Ms. Pansy Cui <info@ostec-qroup.ru>
Reply-To: sale04filters@gmail.com
Subject: RE: RE: RE: Urgent delivery of PO_73303
Attachment: LIST OF PRICES 900017940072.IMG (contains "DOCUMENT-001.exe")

AgentTesla SMTP exfil server:
server266.web-hosting.com:587

Intelligence

File Origin
# of uploads :
1
# of downloads :
90
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
Win.Malware.AgentTesla-7660762-0
Create hunting rule

Gathering data
Threat name:
ByteCode-MSIL.Trojan.Kryptik
Create hunting rule
Status:
Malicious
First seen:
2020-05-01 15:36:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
15
AV detection:
23 of 30 (76.67%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=kgw3y4kthshyot7tcqixfh22oak2t5kyodtkohlekaecgaujsbia._file
Verdict:
malicious
Label(s):
agenttesla
Create hunting rule
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+ 10'507 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:BlackWorm
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify BlackWorm
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

img 7ca62b1951077fa0944e68967bcb8756c831f012b1cd0bbfefaba4cff968769d

AgentTesla

Executable exe 51adbc71533c8f874ff31411729f5a7015a9f55870e6a71d6450082302899050

(this sample)

  
Dropped by
MD5 19bfc55ce3fb9a763d54ca4fe9618c07
  
Delivery method
Distributed via e-mail attachment
  
Dropped by
SHA256 7ca62b1951077fa0944e68967bcb8756c831f012b1cd0bbfefaba4cff968769d

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 (GUARD_CF)high

Comments