MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6. 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: b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6
SHA3-384 hash: 4288d190d65489908d724e932e52fc3a913ac302b22ba62a18d851ada60ade18ffb321bb8c6df0534531ad6881f8a88a
SHA1 hash: 52ae526347fe056623fb8f328cbcc58b69b2bb72
MD5 hash: 9d5b16cec4adee050662fe393ba2b711
humanhash: lake-snake-whiskey-johnny
File name:S25C pdf.zip
Download: download sample
Signature AgentTesla
Create hunting rule
File size:616'352 bytes
First seen:2023-11-17 16:41:20 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 12288:5pc+Y7SPYQZmlKuskXrXqh7t5E47b1ac5Q0XL/++zqvRTXneVyl:bdY7SPYQZahqtOD6iweRDeVw
TLSH T17FD4238C6BDEDCE49373498E2B50D70635107C643B1C4AB39697E8CEA9C8CA4CCD65E9
TrID 80.0% (.ZIP) ZIP compressed archive (4000/1)
20.0% (.PG/BIN) PrintFox/Pagefox bitmap (640x800) (1000/1)
Reporter cocaman
Tags:zip


Avatar
cocaman
Malicious email (T1566.001)
From: "Nina Lap <Nina.Lap@izoteh.si>" (likely spoofed)
Received: "from hosted-by.rootlayer.net (unknown [185.222.57.92]) "
Date: "17 Nov 2023 17:40:12 +0100"
Subject: "RE: oder 0405231 / Variator drive pulley"
Attachment: "S25C pdf.zip"

Intelligence

File Origin
# of uploads :
1
# of downloads :
158
Origin country :
CH CH
File Archive Information

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

File name:S25C pdf.exe
File size:850'432 bytes
SHA256 hash: 5fa5a6b45df59e9fc4e65b5b56371e7c920716c2b2373233c3af9f2676797d36
MD5 hash: fe9248da6b2c906f903252d6e4063286
MIME type:application/x-dosexec
Signature AgentTesla
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Foxhole.Zip_fs3391.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Win32.PWSX-gen.18171.5019.UNOFFICIAL
Create hunting rule

Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/655797dc18918145a817a72d/reports/55696654-54d6-4958-8e66-9d6bdee8800b/overview
Verdict:
Malicious
Labled as:
Troj/Krypt
Link:
https://www.hybrid-analysis.com/sample/b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Score:
0%
Verdict:
Benign
File Type:
Archive
Link:
https://malprob.io/report/b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-11-17 16:41:24 UTC
File Type:
Binary (Archive)
Extracted files:
5
AV detection:
15 of 23 (65.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtbef5qwexhevagd7gkxtpwr6jpyo3ynfdblyh3s5cchasqwr7la._file
Result
Malware family:
agenttesla
Create hunting rule
Score:
  10/10
Tags:
family:agenttesla keylogger persistence spyware stealer trojan
Link:
https://tria.ge/reports/231117-w68nlsce75/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Looks up external IP address via web service
Checks computer location settings
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/b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:NET
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

File information

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

Malspam

AgentTesla

zip b4c242f61625ce4a80c3f99579bed1f25f876f0d28c2bc1f72e884704a168fd6

(this sample)

AgentTesla

Executable exe 5fa5a6b45df59e9fc4e65b5b56371e7c920716c2b2373233c3af9f2676797d36

  
Delivery method
Distributed via e-mail attachment
  
Dropping
SHA256 5fa5a6b45df59e9fc4e65b5b56371e7c920716c2b2373233c3af9f2676797d36
  
Dropping
MD5 fe9248da6b2c906f903252d6e4063286

Comments