MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89585c44076c1387bf8da92c5d514c39fa02ddd3accb6f548d1b92acfe78ff20. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89585c44076c1387bf8da92c5d514c39fa02ddd3accb6f548d1b92acfe78ff20
SHA3-384 hash: 265b8ea5e6c771fe70cd1c2e2e935b2f6bef343018cdd38cb46a2a645faf81167604c4624f57be4650fa22ca8092f3c0
SHA1 hash: bd18611819119b7648c6d5f985519324b3904fab
MD5 hash: 43c9cc8180d63c88d536341a0e7ac005
humanhash: early-solar-oxygen-washington
File name:Certificate.Pdf.z
Download: download sample
Signature AgentTesla
Create hunting rule
File size:296'298 bytes
First seen:2023-06-13 09:40:55 UTC
Last seen:2023-06-14 07:32:39 UTC
File type: z
MIME type:application/x-rar
ssdeep 6144:CNLOLsv0KhjNRgpZqMuHLabZprN4SIBZByD3vcD9QtdyIbbg:uLx0KhjXuZuanyT+DknYg
TLSH T1375423F716AEF8855CF45BF41215C350C8582493BD3FD92942A4B2D8AE20BF7298FB61
TrID 61.5% (.RAR) RAR compressed archive (v5.0) (8000/1)
38.4% (.RAR) RAR compressed archive (gen) (5000/1)
Reporter cocaman
Tags:AgentTesla Shipping z


Avatar
cocaman
Malicious email (T1566.001)
From: "Farzaneh Gholami<info@salisshipping.com>" (likely spoofed)
Received: "from salisshipping.com (unknown [109.237.98.164]) "
Date: "13 Jun 2023 15:24:39 -0700"
Subject: "Sails resume"
Attachment: "Certificate.Pdf.z"

Intelligence

File Origin
# of uploads :
2
# of downloads :
104
Origin country :
CH CH
File Archive Information

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

File name:Certificate.exe
File size:339'296 bytes
SHA256 hash: 6631aace38dd7550a1a18350a43606bc2eb26380cc99fd6acafdf75f226498bb
MD5 hash: 91697062207628ac69072dfa42c0b59d
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
guloader lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/648839af28381b85ed1a2741/reports/c73c71a3-bb41-4aab-812e-9371a85250f4/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/89585c44076c1387bf8da92c5d514c39fa02ddd3accb6f548d1b92acfe78ff20
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/89585c44076c1387bf8da92c5d514c39fa02ddd3accb6f548d1b92acfe78ff20/
Threat name:
Win32.Spyware.Negasteal
Create hunting rule
Status:
Malicious
First seen:
2023-06-13 09:21:29 UTC
File Type:
Binary (Archive)
Extracted files:
4
AV detection:
18 of 37 (48.65%)
Threat level:
  2/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rfmfyrahnqjypp4nvewf2ukmhh5afxotvtfw6vendojkz7ty74qa._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/89585c44076c1387bf8da92c5d514c39fa02ddd3accb6f548d1b92acfe78ff20

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:MSIL_SUSP_OBFUSC_XorStringsNet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
Reference:https://github.com/dr4k0nia/yara-rules
Rule name:msil_susp_obf_xorstringsnet
Create hunting rule
Author:dr4k0nia
Description:Detects XorStringsNET string encryption, and other obfuscators derived from it
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

z 89585c44076c1387bf8da92c5d514c39fa02ddd3accb6f548d1b92acfe78ff20

(this sample)

AgentTesla

Executable exe 6631aace38dd7550a1a18350a43606bc2eb26380cc99fd6acafdf75f226498bb

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 6631aace38dd7550a1a18350a43606bc2eb26380cc99fd6acafdf75f226498bb
  
Dropping
AgentTesla
  
Dropping
MD5 91697062207628ac69072dfa42c0b59d

Comments