MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1876cd258f4c302d469e3f8353f644eeb8ae37fee08ca558472970fac48f69c9. 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



Stop


Vendor detections: 12


Intelligence 12 IOCs 1 YARA 8 File information Comments

SHA256 hash: 1876cd258f4c302d469e3f8353f644eeb8ae37fee08ca558472970fac48f69c9
SHA3-384 hash: 702bfb108eaa22a2cab816a7b09555ac079429877b263a020d273a9c1b30bab01b6c811b9fa9dce19e5606cd38cf58a3
SHA1 hash: 6a3d50b4d1f3ffea4584ffee5f2b8d3722a6af33
MD5 hash: a97a5f5c8445910c489c1055c26c5147
humanhash: hamper-johnny-foxtrot-avocado
File name:a97a5f5c8445910c489c1055c26c5147.exe
Download: download sample
Signature Stop
File size:822'272 bytes
First seen:2021-09-24 11:55:13 UTC
Last seen:2021-09-24 13:21:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash efb815d76c298dec768e3e4b14d60fd3 (10 x RedLineStealer, 2 x Stop, 1 x Smoke Loader)
ssdeep 12288:t3PykfI1/SspiOX5Upoqj+ua91G0SF26y+EzidvbpT+TQ2T3ck:ffI1/DX5Gozf5SIr8xhH
Threatray 720 similar samples on MalwareBazaar
TLSH T12F050220B6E0C034F1B713F559B693B8BA2DBDB16B2485CB62D51AEE4574AE0CC31397
File icon (PE):PE icon
dhash icon aad8ac9cc6a68ee0 (34 x RedLineStealer, 14 x RaccoonStealer, 11 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://wrrst.top/fhsgtsspen6/get.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://wrrst.top/fhsgtsspen6/get.php https://threatfox.abuse.ch/ioc/225699/

Intelligence


File Origin
# of uploads :
2
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a97a5f5c8445910c489c1055c26c5147.exe
Verdict:
Suspicious activity
Analysis date:
2021-09-24 11:55:38 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Malware family:
STOP Ransomware
Verdict:
Malicious
Result
Threat name:
Clipboard Hijacker Djvu
Detection:
malicious
Classification:
rans.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 489763 Sample: lNGoS47gJW.exe Startdate: 24/09/2021 Architecture: WINDOWS Score: 100 76 ic-54113400-0ac7b9-windowsupdate48.s.loris.llnwd.net 2->76 78 ic-54113400-0a7b2f-windowsupdate48.s.loris.llnwd.net 2->78 88 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->88 90 Antivirus detection for URL or domain 2->90 92 Multi AV Scanner detection for submitted file 2->92 94 6 other signatures 2->94 13 lNGoS47gJW.exe 2->13         started        16 lNGoS47gJW.exe 2->16         started        18 mstsca.exe 2->18         started        20 4 other processes 2->20 signatures3 process4 signatures5 106 Detected unpacking (overwrites its own PE header) 13->106 108 Contains functionality to inject code into remote processes 13->108 110 Writes many files with high entropy 13->110 22 lNGoS47gJW.exe 1 16 13->22         started        112 Multi AV Scanner detection for dropped file 16->112 114 Machine Learning detection for dropped file 16->114 116 Injects a PE file into a foreign processes 16->116 26 lNGoS47gJW.exe 12 16->26         started        118 Detected unpacking (changes PE section rights) 18->118 28 mstsca.exe 18->28         started        30 lNGoS47gJW.exe 20->30         started        32 lNGoS47gJW.exe 20->32         started        34 mstsca.exe 20->34         started        36 mstsca.exe 20->36         started        process6 dnsIp7 80 api.2ip.ua 77.123.139.190, 443, 49747, 49748 VOLIA-ASUA Ukraine 22->80 62 C:\Users\user\AppData\...\lNGoS47gJW.exe, PE32 22->62 dropped 64 C:\Users\...\lNGoS47gJW.exe:Zone.Identifier, ASCII 22->64 dropped 38 lNGoS47gJW.exe 22->38         started        41 icacls.exe 22->41         started        43 schtasks.exe 28->43         started        file8 process9 signatures10 104 Injects a PE file into a foreign processes 38->104 45 lNGoS47gJW.exe 1 24 38->45         started        50 conhost.exe 43->50         started        process11 dnsIp12 82 wrrst.top 211.59.14.90, 49749, 49752, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 45->82 84 securebiz.org 61.98.7.132, 49750, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 45->84 86 api.2ip.ua 45->86 68 C:\Users\user\AppData\...\Settings.index, DOS 45->68 dropped 70 C__Windows_SystemA...e_Desktop_17[1].txt, COM 45->70 dropped 72 C:\Users\user\AppData\Local\...\jquery[1].js, DOS 45->72 dropped 74 350 other files (335 malicious) 45->74 dropped 120 Modifies existing user documents (likely ransomware behavior) 45->120 52 build3.exe 45->52         started        file13 signatures14 process15 signatures16 96 Detected unpacking (changes PE section rights) 52->96 98 Detected unpacking (overwrites its own PE header) 52->98 100 Machine Learning detection for dropped file 52->100 102 2 other signatures 52->102 55 build3.exe 52->55         started        process17 file18 66 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 55->66 dropped 58 schtasks.exe 55->58         started        process19 process20 60 conhost.exe 58->60         started       
Threat name:
Win32.Trojan.Glupteba
Status:
Malicious
First seen:
2021-09-24 11:56:08 UTC
AV detection:
19 of 27 (70.37%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer suricata
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Vidar Stealer
Detected Djvu ransomware
Djvu Ransomware
Vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
Unpacked files
SH256 hash:
52abed372fef8c6f6d2f618af456f01bb7840f6a20aeeac882e72f751e8c6c0b
MD5 hash:
0419ceafccad7b4aeeff524530093486
SHA1 hash:
89f265a3036b5642319c49b4f9f89defcc2617ad
Detections:
win_stop_auto
SH256 hash:
1876cd258f4c302d469e3f8353f644eeb8ae37fee08ca558472970fac48f69c9
MD5 hash:
a97a5f5c8445910c489c1055c26c5147
SHA1 hash:
6a3d50b4d1f3ffea4584ffee5f2b8d3722a6af33
Please note that we are no longer able to provide a coverage score for Virus Total.

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:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Author:kevoreilly
Description:Vidar Payload
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.

File information


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

Web download

Stop

Executable exe 1876cd258f4c302d469e3f8353f644eeb8ae37fee08ca558472970fac48f69c9

(this sample)

  
Delivery method
Distributed via web download

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