MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa7e0a35dc579756e574a23f1c780af6b7ab12210e98036370bf45bc09bc5015. 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: 6


Intelligence 6 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa7e0a35dc579756e574a23f1c780af6b7ab12210e98036370bf45bc09bc5015
SHA3-384 hash: 4f07ef22836aed2a06feac426003fea536852a89dd98b94abdc3ef088ce0da8c9fe9b7af2393456ba25068b1bebe6548
SHA1 hash: 559d2020fd3001dd54aea1e1d63ab0d1baac7ecd
MD5 hash: 52e74e283b5eb5379b7e1e449ed62843
humanhash: washington-mountain-tango-single
File name:INVOICE2.doc
Download: download sample
Signature AgentTesla
Create hunting rule
File size:148'480 bytes
First seen:2020-08-14 08:48:44 UTC
Last seen:2020-08-14 09:42:44 UTC
File type:Word file doc
MIME type:application/msword
ssdeep 3072:2YhDPzceL5Yv1iUoTDFLAhDNNNNNNNNNNNNNNNZp84fOMUF0P:2Y9welIenFLAhDNNNNNNNNNNNNNNNZWm
TLSH C6E36D03A845DB56E55842F4AC478EFC6E196F0CE99666FF10223FAF7C352224D8B52C
Reporter abuse_ch
Tags:AgentTesla doc


Avatar
abuse_ch
Malspam distributing AgentTesla:

HELO: abelgreat.dynu.net
Sending IP: 142.11.245.222
From: Margret Z<MARGRETZ@MNET.CO.ZA>
Subject: Tender/Bidding
Attachment: INVOICE2.doc

AgentTesla payload URL:
https://onedrive.live.com/download?cid=09629E9967C87661&resid=9629E9967C87661%21148&authkey=AOYMkSiES-DFlR4

Intelligence

File Origin
# of uploads :
2
# of downloads :
66
Origin country :
n/a
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Exploit.Siggen2.16814.28521.23993.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Creating a file
Creating a process with a hidden window
Creating a file in the %temp% subdirectories
Running batch commands
Launching a process
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source by exploiting the app vulnerability
Sending a custom TCP request by exploiting the app vulnerability
Creating a process from a recently created file
Result
Threat name:
AgentTesla
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/429072
Signature
Allocates memory in foreign processes
Document contains an embedded VBA macro which may execute processes
Document contains an embedded VBA macro with suspicious strings
Document contains an embedded VBA with functions possibly related to ADO stream file operations
Document contains an embedded VBA with functions possibly related to HTTP operations
Document contains an embedded VBA with many GOTO operations indicating source code obfuscation
Document contains an embedded VBA with many randomly named variables
Document exploit detected (creates forbidden files)
Document exploit detected (drops PE files)
Document exploit detected (process start blacklist hit)
Drops PE files to the user root directory
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros)
Office process drops PE file
Sigma detected: Executables Started in Suspicious Folder
Sigma detected: Execution in Non-Executable Folder
Sigma detected: MS Office Product Spawning Exe in User Dir
Sigma detected: Suspicious Program Location Process Starts
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AgentTesla
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 267026 Sample: INVOICE2.doc Startdate: 15/08/2020 Architecture: WINDOWS Score: 100 41 Document exploit detected (drops PE files) 2->41 43 Office document tries to convince victim to disable security protection (e.g. to enable ActiveX or Macros) 2->43 45 Yara detected AgentTesla 2->45 47 15 other signatures 2->47 8 WINWORD.EXE 46 41 2->8         started        process3 dnsIp4 35 rebrand.ly 34.194.232.54, 49715, 80 AMAZON-AESUS United States 8->35 37 z4jvgq.am.files.1drv.com 8->37 39 onedrive.live.com 8->39 29 C:\Users\Public\crscss.exe, PE32 8->29 dropped 49 Document exploit detected (creates forbidden files) 8->49 51 Document exploit detected (process start blacklist hit) 8->51 13 crscss.exe 3 8->13         started        file5 signatures6 process7 file8 31 C:\Users\user\AppData\Local\Temp\...\file.exe, PE32 13->31 dropped 33 C:\...\c9b9b8af022a4b269584b794e5506841.xml, XML 13->33 dropped 53 Machine Learning detection for dropped file 13->53 55 Writes to foreign memory regions 13->55 57 Allocates memory in foreign processes 13->57 59 Injects a PE file into a foreign processes 13->59 17 cmd.exe 1 13->17         started        19 MSBuild.exe 13->19         started        21 backgroundTaskHost.exe 89 84 13->21         started        signatures9 process10 process11 23 conhost.exe 17->23         started        25 schtasks.exe 1 17->25         started        27 WerFault.exe 23 9 19->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa7e0a35dc579756e574a23f1c780af6b7ab12210e98036370bf45bc09bc5015/
Threat name:
Script.Downloader.Donoff
Create hunting rule
Status:
Malicious
First seen:
2020-08-11 18:32:16 UTC
AV detection:
22 of 48 (45.83%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7j7auno4k6lvnzluui7ry6ak6232werbb2magy3qx5c3ycn4kakq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
macro
Link:
https://tria.ge/reports/200814-tz7qft8ylj/
Behaviour
Office macro that triggers on suspicious action
Suspicious Office macro
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fa7e0a35dc579756e574a23f1c780af6b7ab12210e98036370bf45bc09bc5015

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:Office_AutoOpen_Macro
Create hunting rule
Author:Florian Roth
Description:Detects an Microsoft Office file that contains the AutoOpen Macro function
Rule name:SharedStrings
Create hunting rule
Author:Katie Kleemola
Description:Internal names found in LURK0/CCTV0 samples

File information

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

Malspam

AgentTesla

Word file doc fa7e0a35dc579756e574a23f1c780af6b7ab12210e98036370bf45bc09bc5015

(this sample)

AgentTesla

Executable exe 574f46006cfd1caa512756f6a27e6ce2140124d77f1a979c2c12d0d63652cd5c

  
URLhaus
https://urlhaus.abuse.ch/url/432996/
  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 574f46006cfd1caa512756f6a27e6ce2140124d77f1a979c2c12d0d63652cd5c
  
Dropping
MD5 e473e0d02609c994b68fbcf14d73698a

Comments