MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124. 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 YARA 7 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124
SHA3-384 hash: eef4dbe8f187df5e99a6779b8d3e0f664952c8e0a949745b8e7eb2d79b953a5d86c4f564942549e6fb35fccba310e5e9
SHA1 hash: 2f9348fb3f4da0b010a42a759a794ebdbf1ccdcc
MD5 hash: d6574d1dc02e124a977f13cca79ac160
humanhash: north-sink-mexico-oxygen
File name:d6574d1dc02e124a977f13cca79ac160
Download: download sample
Signature Stop
Create hunting rule
File size:820'224 bytes
First seen:2021-07-10 06:07:27 UTC
Last seen:2021-07-10 06:49:08 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash a8e039f6ffeb05815a04e81d73607108 (1 x Stop, 1 x RedLineStealer, 1 x RaccoonStealer)
ssdeep 12288:IMe/UG8zFriwS8aRlGbfP7iU5v0Z9yPScvB3PZZwB9xz50lHa6Q8jAhHZMQWMBNN:HeBh2P7iav0Z+SsfZqnejAb/WMf
Threatray 344 similar samples on MalwareBazaar
TLSH T12805F1207AA0C035E2F312B554759368A93EBCB18F3441CBF2957AEE66356E4D8F1353
Reporter zbetcheckin
Tags:32 exe Stop

Intelligence

File Origin
# of uploads :
2
# of downloads :
269
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d6574d1dc02e124a977f13cca79ac160
Verdict:
Suspicious activity
Analysis date:
2021-07-10 06:09:43 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/057a9bde-b2a5-47b6-983e-7e3973d554c1

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/170766/
Detection(s):
SecuriteInfo.com.Trojan.MulDrop17.61801.28982.12523.UNOFFICIAL
Create hunting rule

Result
Verdict:
MALICIOUS
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/2e2e91d4-10c4-4b93-ac71-50029b8e9c10
Result
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/814280
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 malware configuration
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 domain / URL
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)
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
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 446691 Sample: W8S3mn9suy Startdate: 10/07/2021 Architecture: WINDOWS Score: 100 87 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->87 89 Multi AV Scanner detection for domain / URL 2->89 91 Found malware configuration 2->91 93 8 other signatures 2->93 12 W8S3mn9suy.exe 2->12         started        15 W8S3mn9suy.exe 2->15         started        17 W8S3mn9suy.exe 2->17         started        19 W8S3mn9suy.exe 2->19         started        process3 signatures4 105 Detected unpacking (overwrites its own PE header) 12->105 107 Writes many files with high entropy 12->107 109 Injects a PE file into a foreign processes 12->109 21 W8S3mn9suy.exe 1 18 12->21         started        111 Contains functionality to inject code into remote processes 15->111 25 W8S3mn9suy.exe 13 15->25         started        27 W8S3mn9suy.exe 13 17->27         started        29 W8S3mn9suy.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 77.123.139.190, 443, 49747, 49751 VOLIA-ASUA Ukraine 21->81 65 C:\Users\...\W8S3mn9suy.exe:Zone.Identifier, ASCII 21->65 dropped 31 W8S3mn9suy.exe 21->31         started        34 icacls.exe 21->34         started        file7 process8 signatures9 119 Injects a PE file into a foreign processes 31->119 36 W8S3mn9suy.exe 1 23 31->36         started        process10 dnsIp11 75 dgos.top 68.183.24.16, 49752, 80 DIGITALOCEAN-ASNUS United States 36->75 77 astdg.top 113.11.118.155, 49753, 80 BDCOM-BDRangsNiluSquare5thFloorHouse75Road5AD Bangladesh 36->77 79 api.2ip.ua 36->79 57 C:\Users\...\SetupExe(2020072303020513FC).log, DOS 36->57 dropped 59 C:\Users\user\AppData\Local\...\Apps.ft, DOS 36->59 dropped 61 C:\Users\user\AppData\Local\...\build2.exe, PE32 36->61 dropped 63 202 other files (188 malicious) 36->63 dropped 95 Modifies existing user documents (likely ransomware behavior) 36->95 41 build2.exe 36->41         started        file12 signatures13 process14 signatures15 97 Detected unpacking (changes PE section rights) 41->97 99 Detected unpacking (overwrites its own PE header) 41->99 101 Machine Learning detection for dropped file 41->101 103 Injects a PE file into a foreign processes 41->103 44 build2.exe 41->44         started        process16 dnsIp17 83 sergeevih43.tumblr.com 74.114.154.18, 443, 49759 AUTOMATTICUS Canada 44->83 85 162.55.223.232, 49760, 80 ACPCA United States 44->85 67 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 44->67 dropped 69 C:\Users\user\AppData\...\mozglue[1].dll, PE32 44->69 dropped 71 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 44->71 dropped 73 9 other files (none is malicious) 44->73 dropped 113 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 44->113 115 Tries to harvest and steal browser information (history, passwords, etc) 44->115 117 Tries to steal Crypto Currency Wallets 44->117 49 cmd.exe 44->49         started        file18 signatures19 process20 process21 51 conhost.exe 49->51         started        53 taskkill.exe 49->53         started        55 timeout.exe 49->55         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124/
Threat name:
Win32.Trojan.Graftor
Create hunting rule
Status:
Malicious
First seen:
2021-07-10 06:08:11 UTC
AV detection:
18 of 46 (39.13%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x67wxojzhzirubxjbvbs45jyawnoox47cus7b5id2hil5qgteesa._file
Verdict:
malicious
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+ 334 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:517 discovery persistence spyware stealer
Link:
https://tria.ge/reports/210710-xeeqpfc8lj/
Behaviour
Checks processor information in registry
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
Vidar
Malware Config
C2 Extraction:
https://sergeevih43.tumblr.com/
Unpacked files
SH256 hash:
73228a57289666d98769ea178a6a97f532b613ed6e05f6af986799f14344ebe1
MD5 hash:
7a06560f3aa1bb8bce36f0beab0899e2
SHA1 hash:
c9a7226a5953617b190d658409e27f664c1fa196
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/a607393a-4b37-4c15-8c54-3f815b18af9e/
Parent samples :
9634e7bbda11d42ed7eda4f7cc1965dea16ab45877cb425d322e830cf63a0657
bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124
ff9e059a789e94573fb32a918657d5c5c59b5395fab873cbcec7b1543435fe93
808047c44b88e64eaeaa2c63b136dce30013db875ebdcfe24a22e0e292a757cc
ca7f21ad4f9b5ca208d0a43b76edc7bbb9c698289cb4fc718c884681c5dcf10f
a88f6e7db37ee058a26742f7cd2d92927eeb70e863c025a9758a7b710e152f81
SH256 hash:
bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124
MD5 hash:
d6574d1dc02e124a977f13cca79ac160
SHA1 hash:
2f9348fb3f4da0b010a42a759a794ebdbf1ccdcc
Link:
https://www.unpac.me/results/a607393a-4b37-4c15-8c54-3f815b18af9e/
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/bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124

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_SUSPICOIUS_EXE_WindDefender_AntiEmaulation
Create hunting rule
Author:ditekSHen
Description:Detects executables containing potential Windows Defender anti-emulation checks
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MALWARE_Win_Vidar
Create hunting rule
Author:ditekSHen
Description:Detects Vidar / ArkeiStealer
Rule name:RedOctoberPluginCollectInfo
Create hunting rule
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Vidar
Create hunting rule
Author:kevoreilly
Description:Vidar Payload
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 bfbf6bb9393e511a06e90d432e7538059ae75f9f1525f0f503d1d0bec0d32124

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/170766/

Comments


Avatar
zbet commented on 2021-07-10 06:07:29 UTC

url : hxxp://dgos.top/dl/build.exe