MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc. 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: 16


Intelligence 16 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc
SHA3-384 hash: 3ba091245472178f81e76a4b895590a4885cd18ef56ab33a420e49513d0359e7d67e34bb0281543bc18a4d93efde9c31
SHA1 hash: 587b6e16c46f7420c59d77c5f1cc0c8932df5038
MD5 hash: 4a3ac71dc3ff94f768e4e35682d2810c
humanhash: black-wisconsin-oklahoma-louisiana
File name:file
Download: download sample
Signature Stop
Create hunting rule
File size:805'888 bytes
First seen:2023-06-29 13:13:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 4ef5c5864141626e44cf96ed52dc90ca (2 x RedLineStealer, 1 x Smoke Loader, 1 x Stop)
ssdeep 12288:VhK/iDDLZMWgPc/MN2V3gPjFtK9Ek8aZ39ZaTpHIItqYmS/f58WZY5:VhKaDL2LyMI3gPjFj7aHcTxIIM5DY
Threatray 2'168 similar samples on MalwareBazaar
TLSH T15D05E1D3B2A07C6DE5254E329E2EC6E43E1FBD504E18675BE2186B1F08B11E2D5FE211
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 12a6c44850424440 (1 x Stop)
Reporter jstrosch
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
330
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-29 13:14:52 UTC
Tags:
ransomware stop loader
Link:
https://app.any.run/tasks/5bc697db-4e5f-4325-ae95-0d26e532336c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
STOP
Create hunting rule
Link:
https://www.capesandbox.com/analysis/403786/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.5332.9152.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Restart of the analyzed sample
Sending an HTTP GET request
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a window
Query of malicious DNS domain
Sending a TCP request to an infection source
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/649d83a110925f175affa353/reports/ec3cba24-ba07-41fa-a751-b84f4d702d3c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/68bfa190-aeb5-4f98-ad29-c2363d312ebb
Result
Threat name:
Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1263277
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Injects a PE file into a foreign processes
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies existing user documents (likely ransomware behavior)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Uses known network protocols on non-standard ports
Uses schtasks.exe or at.exe to add and modify task schedules
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 896311 Sample: file.exe Startdate: 29/06/2023 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Found malware configuration 2->93 95 13 other signatures 2->95 11 file.exe 2->11         started        14 file.exe 2->14         started        16 file.exe 2->16         started        18 file.exe 2->18         started        process3 signatures4 107 Detected unpacking (changes PE section rights) 11->107 109 Detected unpacking (overwrites its own PE header) 11->109 111 Writes a notice file (html or txt) to demand a ransom 11->111 113 Writes many files with high entropy 11->113 20 file.exe 1 16 11->20         started        24 mstsca.exe 11->24         started        115 Multi AV Scanner detection for dropped file 14->115 117 Injects a PE file into a foreign processes 14->117 27 file.exe 12 14->27         started        29 file.exe 16->29         started        31 file.exe 18->31         started        process5 dnsIp6 75 api.2ip.ua 162.0.217.254, 443, 49711, 49712 ACPCA Canada 20->75 63 C:\Users\user\AppData\Local\...\file.exe, PE32 20->63 dropped 65 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 20->65 dropped 33 file.exe 20->33         started        36 icacls.exe 20->36         started        103 Multi AV Scanner detection for dropped file 24->103 38 schtasks.exe 24->38         started        file7 signatures8 process9 signatures10 87 Injects a PE file into a foreign processes 33->87 40 file.exe 1 24 33->40         started        45 conhost.exe 38->45         started        process11 dnsIp12 81 colisumy.com 124.43.19.179, 49714, 80 SLTINT-AS-APSriLankaTelecomInternetLK Sri Lanka 40->81 83 zexeq.com 211.119.84.111, 49713, 49716, 80 LGDACOMLGDACOMCorporationKR Korea Republic of 40->83 85 api.2ip.ua 40->85 67 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 40->67 dropped 69 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 40->69 dropped 71 C:\_readme.txt, ASCII 40->71 dropped 73 117 other malicious files 40->73 dropped 105 Modifies existing user documents (likely ransomware behavior) 40->105 47 build2.exe 40->47         started        50 build3.exe 40->50         started        file13 signatures14 process15 file16 119 Detected unpacking (changes PE section rights) 47->119 121 Detected unpacking (overwrites its own PE header) 47->121 123 Injects a PE file into a foreign processes 47->123 53 build2.exe 47->53         started        61 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 50->61 dropped 125 Uses schtasks.exe or at.exe to add and modify task schedules 50->125 57 schtasks.exe 50->57         started        signatures17 process18 dnsIp19 77 116.202.5.112, 27015, 49718 HETZNER-ASDE Germany 53->77 79 t.me 149.154.167.99, 443, 49717 TELEGRAMRU United Kingdom 53->79 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 53->97 99 Tries to harvest and steal browser information (history, passwords, etc) 53->99 101 Tries to steal Crypto Currency Wallets 53->101 59 conhost.exe 57->59         started        signatures20 process21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc/
Threat name:
Win32.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-06-29 13:14:10 UTC
File Type:
PE (Exe)
Extracted files:
41
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7c36iwh7keeegdpwbtc3t6snyrgqqoqtgg2kj3rpp4lqhzvgyw6a._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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+ 2'158 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:75b38583a079a9212c1fa894fd1b945f discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230629-qgndgsdb34/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Detected Djvu ransomware
Djvu Ransomware
Vidar
Malware Config
C2 Extraction:
http://zexeq.com/raud/get.php
https://steamcommunity.com/profiles/76561199520592470
https://t.me/motafan
Unpacked files
SH256 hash:
88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6
MD5 hash:
1aab5a9252e93871932cd7381693e199
SHA1 hash:
3b1ee795bc70733d1820a48d2ee4e2641b124ce1
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/680531c9-f818-4748-9798-87f09c01b6be/
Parent samples :
c62d6a8f03122f152f75051babb0a9ad178223ae33a2205caf5675f29cf3cef3
f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc
88968c3b8e6e3fce9e327cb0d92079b88a35962f0503edc0888d2d9883de87c6
SH256 hash:
f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc
MD5 hash:
4a3ac71dc3ff94f768e4e35682d2810c
SHA1 hash:
587b6e16c46f7420c59d77c5f1cc0c8932df5038
Link:
https://www.unpac.me/results/680531c9-f818-4748-9798-87f09c01b6be/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f8b7e458ff51/report/overview.html
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/f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc

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:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Ransomware_Stop_1e8d48ff
Create hunting rule
Author:Elastic Security
Rule name:win_stop_auto
Create hunting rule
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 f8b7e458ff5108430df60cc5b9fa4dc44d083a1331b4a4ee2f7f1703e6a6c5bc

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/403786/

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