MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f58e8ed6a359b31e1b3673154dcda56335a62068672821271b35bcc5a8b471da. 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: 7


Intelligence 7 IOCs YARA 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f58e8ed6a359b31e1b3673154dcda56335a62068672821271b35bcc5a8b471da
SHA3-384 hash: aa5fb5f85567ae8e51f86f47e9454338555629bb292ea6b497a148aecafd4810fdfb714c6971dc79478c79a4e42de740
SHA1 hash: 918fa7d1bf9dd62417387c26eaff9f5b3cd8636b
MD5 hash: edb63ea729b3060e5252f7c952ca78e4
humanhash: lactose-august-montana-timing
File name:Invoice.r15
Download: download sample
Signature AgentTesla
Create hunting rule
File size:405'073 bytes
First seen:2023-10-02 07:20:38 UTC
Last seen:2023-10-02 07:21:16 UTC
File type: rar
MIME type:application/x-rar
ssdeep 6144:QYIJ9jPVsvGEKqXK9BBEY4ot9t3kV2FxyBjUjzltTVx8IM67VQPDI+eSBbLah2kI:3IJdsmJEQ9t3jFKovH5SmHR6P4Rw
TLSH T1C284238C6C5AC0D93B27353CAB50F4F47AD00BE80F3AFA3B478859D055692ABF11B51A
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla INVOICE r15 rar


Avatar
cocaman
Malicious email (T1566.001)
From: "imports@rexnordindia.com" (likely spoofed)
Received: "from rexnordindia.com (unknown [45.137.22.171]) "
Date: "02 Oct 2023 05:49:00 +0200"
Subject: "RE: Invoice, Packing list & Bill of Lading"
Attachment: "Invoice.r15"

Intelligence

File Origin
# of uploads :
3
# of downloads :
95
Origin country :
CH CH
File Archive Information

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

File name:Invoice.exe
File size:530'432 bytes
SHA256 hash: d5252b71a90d3ef290ff4a760b8cd4ec847feac8d5737eed43728bca34b2068b
MD5 hash: 63f7fc248ad2d9cdfec16a9713d1b094
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.27502.Rar5Heur.UNOFFICIAL
Create hunting rule

Sanesecurity.Rogue.0hr.20231002-0638.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/f58e8ed6a359b31e1b3673154dcda56335a62068672821271b35bcc5a8b471da/results/dashboard
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade obfuscated packed
Link:
https://www.filescan.io/uploads/651a6f5f988a26b6d972c9d7/reports/92691d24-b0dd-4d36-a0b9-c75bf1ba1b00/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/f58e8ed6a359b31e1b3673154dcda56335a62068672821271b35bcc5a8b471da
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/f58e8ed6a359b31e1b3673154dcda56335a62068672821271b35bcc5a8b471da/
Threat name:
Win32.Trojan.GenSteal
Create hunting rule
Status:
Malicious
First seen:
2023-10-02 05:12:24 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6whi5vvdlgzr4gzwomku3tnfmm22midim4uccjy3gw6mlkfuohna._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://tria.ge/reports/231002-jhjncshh49/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Looks up external IP address via web service
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/f58e8ed6a359b31e1b3673154dcda56335a62068672821271b35bcc5a8b471da

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: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: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

rar f58e8ed6a359b31e1b3673154dcda56335a62068672821271b35bcc5a8b471da

(this sample)

AgentTesla

Executable exe d5252b71a90d3ef290ff4a760b8cd4ec847feac8d5737eed43728bca34b2068b

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 d5252b71a90d3ef290ff4a760b8cd4ec847feac8d5737eed43728bca34b2068b
  
Dropping
AgentTesla
  
Dropping
MD5 63f7fc248ad2d9cdfec16a9713d1b094

Comments