MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a. 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: 13


Intelligence 13 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a
SHA3-384 hash: a27e250303facb6e22174b344c488a5aa335a029072db6ff3618a0d9e39563d76b7f8f386d1ba52fa5598a4c0e7f5e35
SHA1 hash: ab7a165e5470a7b8cce233e88416b98e55b13da4
MD5 hash: d93bae14bf9b0ded0e7e538ee0cb0d0c
humanhash: mango-victor-aspen-potato
File name:sirdee.ps1
Download: download sample
Signature AgentTesla
Create hunting rule
File size:1'462'376 bytes
First seen:2025-10-21 05:49:29 UTC
Last seen:2025-10-21 10:24:04 UTC
File type:PowerShell (PS) ps1
MIME type:text/plain
ssdeep 24576:OtX3JSSLyHByhAwokjXHPLD1bnd7wbtQn5FwfjH1ShCQUHms:63i0hnPZx8btms
Threatray 2'104 similar samples on MalwareBazaar
TLSH T1A26533654FF82CB81388133DF0BB8D2D16F50F8294BEA54DBFA8D046271D7925A4787A
Magika powershell
Reporter abuse_ch
Tags:AgentTesla ps1

Intelligence

File Origin
# of uploads :
2
# of downloads :
100
Origin country :
SE SE
Vendor Threat Intelligence
Detection(s):
no reply from clamd
Create hunting rule

Verdict:
Malicious
Score:
90.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68f71efe3edd081eba404486
Tags:
ransomware vmdetect spawn virus
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm aspnet_compiler base64 evasive krypt lolbin obfuscated reconnaissance
Link:
https://www.filescan.io/uploads/68f71fad11ff3db29f64f297/reports/2c93181c-fc46-4922-9210-7ac5c8ca8c1e/overview
Verdict:
Malicious
Labled as:
PowerShell/Agent.DKT trojan
Link:
https://www.hybrid-analysis.com/sample/8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a
Verdict:
Malicious
File Type:
ps1
First seen:
2025-10-20T11:38:00Z UTC
Last seen:
2025-10-22T03:42:00Z UTC
Hits:
~10
Detections:
PDM:Trojan.Win32.Generic UDS:DangerousObject.Multi.Generic Trojan-Spy.Win32.Noon.sb Trojan.Win32.InjectorNetT.s
Link:
https://opentip.kaspersky.com/8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a/results?tab=lookup
Result
Threat name:
FormBook
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1798896
Signature
AI detected malicious Powershell script
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for submitted file
Performs DNS queries to domains with low reputation
Queues an APC in another process (thread injection)
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected FormBook
Yara detected Powershell decode and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1798896 Sample: sirdee.ps1 Startdate: 21/10/2025 Architecture: WINDOWS Score: 100 53 www.yieldbfv.xyz 2->53 55 zhcomics.com 2->55 57 11 other IPs or domains 2->57 59 Suricata IDS alerts for network traffic 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 Multi AV Scanner detection for submitted file 2->63 67 4 other signatures 2->67 11 powershell.exe 22 2->11         started        signatures3 65 Performs DNS queries to domains with low reputation 53->65 process4 signatures5 69 Writes to foreign memory regions 11->69 71 Injects a PE file into a foreign processes 11->71 14 aspnet_compiler.exe 11->14         started        17 aspnet_compiler.exe 11->17         started        19 conhost.exe 11->19         started        21 12 other processes 11->21 process6 signatures7 85 Maps a DLL or memory area into another process 14->85 23 9b0fb3AgZ.exe 14->23 injected 25 jS49v8QC.exe 17->25 injected process8 process9 27 resmon.exe 13 23->27         started        30 resmon.exe 13 25->30         started        signatures10 73 Tries to steal Mail credentials (via file / registry access) 27->73 75 Tries to harvest and steal browser information (history, passwords, etc) 27->75 77 Modifies the context of a thread in another process (thread injection) 27->77 32 uvw3PIkE.exe 27->32 injected 35 chrome.exe 27->35         started        37 firefox.exe 27->37         started        79 Maps a DLL or memory area into another process 30->79 81 Queues an APC in another process (thread injection) 30->81 83 Switches to a custom stack to bypass stack traces 30->83 39 13UoeZAQRWAZh.exe 30->39 injected 41 chrome.exe 30->41         started        process11 dnsIp12 45 zhcomics.com 162.144.15.77, 49711, 49712, 49713 UNIFIEDLAYER-AS-1US United States 32->45 47 www.museum-solomatin.ru 141.8.192.186, 49719, 49720, 49721 SPRINTHOSTRU Russian Federation 32->47 51 6 other IPs or domains 32->51 43 WerFault.exe 4 35->43         started        49 www.yieldbfv.xyz 76.223.54.146, 49693, 49694, 49695 AMAZON-02US United States 39->49 process13
Score:
99%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a
Verdict:
inconclusive
YARA:
1 match(es)
Tags:
Base64 Block Contains Base64 Block PowerShell
Link:
https://app.malva.re/file/d93bae14bf9b0ded0e7e538ee0cb0d0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a/
Verdict:
Malicious
Threat:
Family.FORMBOOK
Link:
https://tip.neiki.dev/file/8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a
Threat name:
Script-PowerShell.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2025-10-20 16:21:09 UTC
File Type:
Text (PowerShell)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qbjjehyjywbzfpne2qdhqifj266tnwlemnoestcq2bhbutsili5a._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
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AgentTesla
error
AgentTesla
+ 2'094 additional samples on MalwareBazaar
Result
Malware family:
formbook
Create hunting rule
Score:
  10/10
Tags:
family:formbook adware discovery execution rat spyware stealer trojan
Link:
https://tria.ge/reports/251021-gkvgjagp21/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Command and Scripting Interpreter: PowerShell
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Badlisted process makes network request
Formbook payload
Formbook
Formbook family
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Formbook
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:pe_no_import_table
Create hunting rule
Description:Detect pe file that no import table
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

AgentTesla

PowerShell (PS) ps1 8052921f09c58392bda4d4067820a9d7bd36d964635c494c50d04e1a4e485a3a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3682324/
  
Delivery method
Distributed via web download

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