MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef
SHA3-384 hash: a6dea4e3b4ffeecc1f1e469e89b091af693685ce95c08341594a5bac4c0d43666dd984ed75717d6b274bfb12ff7d14c9
SHA1 hash: 17ec5927af36ff13abe6cd68306377d0d94c393a
MD5 hash: cdb336c439dfaf2b9cc385f5119de12e
humanhash: violet-ten-single-indigo
File name:Sales Contract.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:280'924 bytes
First seen:2023-03-10 12:57:00 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 6144:AcbEI/jvaK9l7Ieb+dbxl7oYlnSkRlLMz77DnyRi6aRGl/Rg:Ac9D5IcOl7pJRlod0lS
TLSH T13A5423508C069174B201B472827B89EA14C74EBA305B62DE1FF4696BF8BF5D7B21DF09
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:AgentTesla zip


Avatar
cocaman
Malicious email (T1566.001)
From: ""Sincerely yours"<tara.tsai@jsrtexgroup.com>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [45.137.22.89]) "
Date: "10 Mar 2023 05:00:57 +0100"
Subject: "RE: Revised Sales Contract"
Attachment: "Sales Contract.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
n/a
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:Sales Contract.exe
File size:295'718 bytes
SHA256 hash: e4d939344533d8c8b97cbc723acd7c4f6195b5d81be576d93918a943b67d8edd
MD5 hash: 9085d568d3124ee830789e50d0d1b5c2
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3222.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20230310-0232.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
75%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/640b2920bfc905ef98e93d37/reports/932ba56a-6fb7-4c74-8b0c-2128219f12f1/overview
Verdict:
Malicious
Labled as:
ZIP/Bredolab.A
Link:
https://www.hybrid-analysis.com/sample/6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-03-10 03:40:06 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnbeegvsn6jndoeh3vlbp7lo5l3lfahepnnx7olljasb7oqshpxq._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla collection keylogger spyware stealer trojan
Link:
https://tria.ge/reports/230310-qv874sdg96/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
AgentTesla
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef

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:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:pe_imphash
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Malspam

AgentTesla

zip 6b42421ab26f92d1b887dd5617fd6eeaf6b280e47b5b7fb96b48241fba123bef

(this sample)

AgentTesla

Executable exe e4d939344533d8c8b97cbc723acd7c4f6195b5d81be576d93918a943b67d8edd

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 e4d939344533d8c8b97cbc723acd7c4f6195b5d81be576d93918a943b67d8edd
  
Dropping
MD5 9085d568d3124ee830789e50d0d1b5c2

Comments