MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3e7b12b86f7213ed312d80f85d12d1ca4950099de857764e20670bc326952e0. 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 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a3e7b12b86f7213ed312d80f85d12d1ca4950099de857764e20670bc326952e0
SHA3-384 hash: bfd71375b7dc7f9c9b810ff8ae04be7aeaa82d3bd5024bacf6a26c82848c49ffff7a1518649c0daa3d71673a068f41cb
SHA1 hash: 5be8ad4f3f32155cfea58574cb7fcb4f99664367
MD5 hash: 28dc84491eb74a6f6fb4a96be66577d8
humanhash: pizza-kitten-timing-september
File name:BUNQ00009082342624.r09
Download: download sample
Signature AgentTesla
Create hunting rule
File size:656'292 bytes
First seen:2024-02-15 12:26:49 UTC
Last seen:2024-02-19 06:47:41 UTC
File type: r09
MIME type:application/x-rar
ssdeep 12288:aSnV989HL2hNOa6h1TBfmIpa5MdAAmAnFyazFCi3VDYUjqUTdlcvC:97ar0NO/HmIQ5QA2Fyaz8i+UjrwC
TLSH T148D42382CAEA205F0975D14A37720B0733177DC6A16EB1AC924B373BC9D831DB19E5B2
TrID 58.3% (.RAR) RAR compressed archive (v-4.x) (7000/1)
41.6% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla r09


Avatar
cocaman
Malicious email (T1566.001)
From: "MELIA MEDALITA <melia@toyotatsusho.co.id>" (likely spoofed)
Received: "from harisisint.com (harisisint.com [185.236.231.91]) "
Date: "Thu, 15 Feb 2024 12:58:07 +0100"
Subject: "Re: Reply: FW: M.T. XIN AN YANG -- ENQUIRY (URGENT) -- RESEND"
Attachment: "BUNQ00009082342624.r09"

Intelligence

File Origin
# of uploads :
3
# of downloads :
110
Origin country :
CH CH
File Archive Information

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

File name:BUNQ00009082342624.exe
File size:736'768 bytes
SHA256 hash: 1600a2b591727b5873a37ba32b54efd6b6c0adfe7389b6dff095871441d143b6
MD5 hash: dd310f037fe0ad7d806b4468d79e29ae
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
explorer lolbin packed shell32
Link:
https://www.filescan.io/uploads/65ce031eea38647add266737/reports/2fb4b52c-302a-44a4-8eab-f1a33b4d8742/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a3e7b12b86f7213ed312d80f85d12d1ca4950099de857764e20670bc326952e0
Result
Verdict:
MALICIOUS
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/a3e7b12b86f7213ed312d80f85d12d1ca4950099de857764e20670bc326952e0/
Threat name:
ByteCode-MSIL.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2024-02-15 12:26:54 UTC
File Type:
Binary (Archive)
Extracted files:
11
AV detection:
16 of 24 (66.67%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upt3ck4g64qt5uys3ahylujndssjkaez32cxozhcazylymtjklqa._file
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/a3e7b12b86f7213ed312d80f85d12d1ca4950099de857764e20670bc326952e0

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:AgentTeslaV3
Create hunting rule
Author:ditekshen
Description:AgentTeslaV3 infostealer payload
Rule name:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:INDICATOR_EXE_Packed_GEN01
Create hunting rule
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Create hunting rule
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Create hunting rule
Author:Elastic Security
Rule name:win_agent_tesla_g2
Create hunting rule
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

r09 a3e7b12b86f7213ed312d80f85d12d1ca4950099de857764e20670bc326952e0

(this sample)

AgentTesla

Executable exe 1600a2b591727b5873a37ba32b54efd6b6c0adfe7389b6dff095871441d143b6

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 1600a2b591727b5873a37ba32b54efd6b6c0adfe7389b6dff095871441d143b6
  
Dropping
AgentTesla
  
Dropping
MD5 dd310f037fe0ad7d806b4468d79e29ae

Comments