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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8858159e22788a89e2f4e1a6dc498a542ffbe439453cc8b1ebc51f052163463. 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


Koadic


Vendor detections: 10


Intelligence 10 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8858159e22788a89e2f4e1a6dc498a542ffbe439453cc8b1ebc51f052163463
SHA3-384 hash: 66b3c1579cb1035bc83555ecc098a74489af665b3428eb76b988b991ab5d733dfd75a32d55f0e372e343e4e7b69a25f1
SHA1 hash: 7c4f9525bca8836f1b98f8e24da89339d58a5c3d
MD5 hash: 36b1df0a8de93f8da731c9d72152475e
humanhash: equal-kilo-saturn-bacon
File name:Medical_Chart_Roentgenogram.bat
Download: download sample
Signature Koadic
Create hunting rule
File size:3'556'937 bytes
First seen:2026-09-28 09:59:30 UTC
Last seen:Never
File type:Batch (bat) bat
MIME type:text/plain
ssdeep 3072:4eJGPiqA04y51MkDwphNyb0YA0mH4vulReFGdfpvDdWJ+eju+FlAHNTdCdtBy3gH:i
TLSH T13BF574A48A6B1FDD70CB3A1440292B111CA6797E72736CB5DA787D7F8CD419EC9C8832
Magika csv
Reporter smica83
Tags:bat Koadic

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
bat
Verdict:
No threats detected
Analysis date:
2026-09-28 10:09:21 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b88f9b5b-4445-4278-b2cf-6c547bb7dbb8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/89414/
Detection(s):
SecuriteInfo.com.BAT.Obfus-13.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac0b82e59bf6e2f9e92c792
Tags:
autorun shell virus sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a file in the system32 directory
Running batch commands
Сreating synchronization primitives
Searching for synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Downloading the file
Launching a file downloaded from the Internet
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
cmd find findstr lolbin
Link:
https://www.filescan.io/uploads/6aba3abd3487528f60400f81/reports/f78b6085-8a98-4d4f-ac34-428e4cf097a2/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/f8858159e22788a89e2f4e1a6dc498a542ffbe439453cc8b1ebc51f052163463
Verdict:
Malicious
File Type:
text.utf8
First seen:
2026-09-27T01:33:00Z UTC
Last seen:
2026-09-30T02:30:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.BAT.Pakes.Agent.gen HEUR:Packed.BAT.Agent.gen
Link:
https://opentip.kaspersky.com/f8858159e22788a89e2f4e1a6dc498a542ffbe439453cc8b1ebc51f052163463/results?tab=lookup
Result
Threat name:
Koadic, Abobus Obfuscator, Rouki Obfusca
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1978876
Signature
Drops script or batch files to the startup folder
Excessive usage of taskkill to terminate processes
Found large BAT file
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Powershell connects to network
Powershell drops PE file
Sigma detected: Drops script at startup location
Sigma detected: Execution from Suspicious Folder
Sigma detected: Parent in Public Folder Suspicious Process
Sigma detected: PowerShell DownloadFile
Sigma detected: Powershell downloading file from url shortener site
Sigma detected: Suspicious Program Location with Network Connections
Sigma detected: Windows Shell/Scripting Application File Write to Suspicious Folder
Suricata IDS alerts for network traffic
Suspicious powershell command line found
Tries to download and execute files (via powershell)
Uses the Telegram API (likely for C&C communication)
Yara detected Abobus Obfuscator
Yara detected Koadic BAT payload
Yara detected Rouki Obfuscator
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1978876 Sample: Medical_Chart_Roentgenogram.bat Startdate: 28/09/2026 Architecture: WINDOWS Score: 100 81 api.telegram.org 2->81 83 tinyurl.com 2->83 85 6 other IPs or domains 2->85 105 Suricata IDS alerts for network traffic 2->105 107 Malicious sample detected (through community Yara rule) 2->107 109 Sigma detected: Powershell downloading file from url shortener site 2->109 113 11 other signatures 2->113 10 cmd.exe 3 2->10         started        13 cmd.exe 2->13         started        signatures3 111 Uses the Telegram API (likely for C&C communication) 81->111 process4 signatures5 115 Suspicious powershell command line found 10->115 117 Tries to download and execute files (via powershell) 10->117 15 powershell.exe 14 1007 10->15         started        20 powershell.exe 20 10->20         started        22 conhost.exe 10->22         started        30 9 other processes 10->30 24 powershell.exe 13->24         started        26 conhost.exe 13->26         started        28 chcp.com 13->28         started        32 8 other processes 13->32 process6 dnsIp7 93 tinyurl.com 104.18.111.161, 443, 49716 CLOUDFLARENET-CloudflareIncUS Canada 15->93 67 C:\Users\Public\Desktops\vcruntime140_1.dll, PE32+ 15->67 dropped 69 C:\Users\Public\Desktops\vcruntime140.dll, PE32+ 15->69 dropped 71 C:\Users\Public\Desktops\python312.dll, PE32+ 15->71 dropped 75 874 other files (94 malicious) 15->75 dropped 99 Powershell connects to network 15->99 34 python.exe 15->34         started        38 conhost.exe 15->38         started        95 github.com 140.82.114.3, 443, 49717, 49719 GITHUB-GitHubIncUS United States 20->95 97 raw.githubusercontent.com 185.199.110.133, 443, 49720, 49721 FASTLY-FastlyIncUS United States 20->97 73 C:\Users\user\AppData\...\WindowSecuryt.bat, Unicode 20->73 dropped 101 Drops script or batch files to the startup folder 20->101 103 Powershell drops PE file 20->103 40 conhost.exe 20->40         started        42 conhost.exe 24->42         started        file8 signatures9 process10 dnsIp11 87 api.telegram.org 149.154.166.110, 443, 49725, 49726 TELEGRAMVG Netherlands 34->87 89 script.google.com 142.250.68.206, 443, 49745 GOOGLE-GoogleLLCUS United States 34->89 91 ipinfo.io 34.117.59.81, 443, 49724 GOOGLE-AS-APGoogleAsiaPacificPteLtdSG United States 34->91 77 C:\Users\user\...\CdpqhwrsiSKiOxAe.dll, PE32+ 34->77 dropped 79 C:\Users\user\...dJa3tO1AXvmZymr.dll, PE32+ 34->79 dropped 44 cmd.exe 34->44         started        47 cmd.exe 34->47         started        49 cmd.exe 34->49         started        51 11 other processes 34->51 file12 process13 signatures14 119 Excessive usage of taskkill to terminate processes 44->119 53 taskkill.exe 44->53         started        55 taskkill.exe 47->55         started        57 taskkill.exe 49->57         started        59 taskkill.exe 51->59         started        61 taskkill.exe 51->61         started        63 taskkill.exe 51->63         started        65 6 other processes 51->65 process15
Score:
94%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/f8858159e22788a89e2f4e1a6dc498a542ffbe439453cc8b1ebc51f052163463
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8858159e22788a89e2f4e1a6dc498a542ffbe439453cc8b1ebc51f052163463/
Threat name:
Text.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-09-28 07:10:17 UTC
File Type:
Text (Batch)
AV detection:
4 of 24 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ccycwpce6ekrhrpjyng3reyuvbp7psdsrj4zcy6xri7auqwgrrq._file
Result
Malware family:
n/a
Score:
  10/10
Tags:
defense_evasion discovery execution persistence privilege_escalation spyware stealer
Link:
https://tria.ge/reports/260928-l1w3hs1w6r/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Reads the TCP/IP host and domain name from the registry
Contacts third-party web service commonly abused for C2
Enumerates connected drives
Looks up external IP address via web service
Creates a file in the Startup directory
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
Badlisted process makes network request
Command and Scripting Interpreter: PowerShell
Malware Config
Dropper Extraction:
https://github.com/up-827/update/raw/main/udt.bat
https://tinyurl.com/dcm-t3626
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/f8858159e22788a89e2f4e1a6dc498a542ffbe439453cc8b1ebc51f052163463

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/89414/

Comments