MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b03dd67bfc32132c63da78e037f5ffa6093275f3c81ebf68cd10073bd1b9bcd5. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b03dd67bfc32132c63da78e037f5ffa6093275f3c81ebf68cd10073bd1b9bcd5
SHA3-384 hash: 3cb2e9db40cf3a88c9d42b5962f65d4bd01af6f092b7d4ae0397d054dcb2cabddf676c619e6af27f12671ffedf963ad4
SHA1 hash: ff631632c638a888e67040ac1ea886e4a0a8b710
MD5 hash: c4fc05338646a5132121c99adb6d3f17
humanhash: speaker-robert-romeo-timing
File name:2.bin
Download: download sample
Signature Stop
Create hunting rule
File size:783'360 bytes
First seen:2023-08-22 14:28:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a58360eb10a18d5dc70efe7d39616fa7 (2 x Loki, 2 x Stop, 1 x DCRat)
ssdeep 12288:kl1MhmfZjFT7W6qy7i0Wa6gl58IfcRf3gbogv3vShDjEZCXqVabL6KawjcIXA:kghWjt7rZ8S5ffcJ3gbogn0DjEc6Vm6x
Threatray 2'281 similar samples on MalwareBazaar
TLSH T155F41213B6E1D032F72346714FB6C7A86A3BB8728FB152DB2785952E1E711E1C6B6301
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70d0dcd8d2cdd2dd (1 x Stop)
Reporter petikvx
Tags:Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
127
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
2.bin
Verdict:
Malicious activity
Analysis date:
2023-08-21 04:01:52 UTC
Tags:
ransomware stop loader stealer vidar trojan arkei
Link:
https://app.any.run/tasks/5318c9b8-25f5-4dd5-95e3-f88972283e43

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/444171/
Detection(s):
SecuriteInfo.com.Win32.RansomX-gen.6913.31206.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/b03dd67bfc32132c63da78e037f5ffa6093275f3c81ebf68cd10073bd1b9bcd5
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/e82ecd2c-d4d9-445c-8bee-462c15f8de97
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.spre.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1295243
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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
Infects executable files (exe, dll, sys, html)
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 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 Babuk Ransomware
Yara detected Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1295243 Sample: 2.bin.exe Startdate: 22/08/2023 Architecture: WINDOWS Score: 100 80 Snort IDS alert for network traffic 2->80 82 Found malware configuration 2->82 84 Malicious sample detected (through community Yara rule) 2->84 86 12 other signatures 2->86 11 2.bin.exe 2->11         started        14 2.bin.exe 2->14         started        16 2.bin.exe 2->16         started        18 2.bin.exe 2->18         started        process3 signatures4 104 Detected unpacking (changes PE section rights) 11->104 106 Detected unpacking (overwrites its own PE header) 11->106 108 Writes a notice file (html or txt) to demand a ransom 11->108 114 2 other signatures 11->114 20 2.bin.exe 1 17 11->20         started        110 Multi AV Scanner detection for dropped file 14->110 112 Injects a PE file into a foreign processes 14->112 24 2.bin.exe 14 14->24         started        26 2.bin.exe 16->26         started        28 2.bin.exe 18->28         started        process5 dnsIp6 72 api.2ip.ua 162.0.217.254, 443, 49713, 49716 ACPCA Canada 20->72 62 C:\Users\user\AppData\Local\...\2.bin.exe, PE32 20->62 dropped 30 2.bin.exe 20->30         started        33 icacls.exe 20->33         started        74 zexeq.com 24->74 file7 process8 signatures9 116 Injects a PE file into a foreign processes 30->116 35 2.bin.exe 1 25 30->35         started        process10 dnsIp11 66 colisumy.com 187.212.189.97, 49720, 80 UninetSAdeCVMX Mexico 35->66 68 zexeq.com 190.219.108.202, 49718, 49719, 49721 CableOndaPA Panama 35->68 70 api.2ip.ua 35->70 54 C:\Users\user\AppData\Local\...\build2.exe, PE32 35->54 dropped 56 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 35->56 dropped 58 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->58 dropped 60 127 other malicious files 35->60 dropped 88 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 35->88 90 Infects executable files (exe, dll, sys, html) 35->90 92 Modifies existing user documents (likely ransomware behavior) 35->92 40 build2.exe 35->40         started        43 build3.exe 35->43         started        file12 signatures13 process14 file15 94 Multi AV Scanner detection for dropped file 40->94 96 Detected unpacking (changes PE section rights) 40->96 98 Detected unpacking (overwrites its own PE header) 40->98 100 Injects a PE file into a foreign processes 40->100 46 build2.exe 40->46         started        64 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 43->64 dropped 102 Uses schtasks.exe or at.exe to add and modify task schedules 43->102 50 schtasks.exe 43->50         started        signatures16 process17 dnsIp18 76 t.me 149.154.167.99, 443, 49733 TELEGRAMRU United Kingdom 46->76 78 195.201.249.225, 10099, 49734 HETZNER-ASDE Germany 46->78 118 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 46->118 120 Tries to harvest and steal browser information (history, passwords, etc) 46->120 122 Tries to steal Crypto Currency Wallets 46->122 52 conhost.exe 50->52         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b03dd67bfc32132c63da78e037f5ffa6093275f3c81ebf68cd10073bd1b9bcd5/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-08-20 23:12:08 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
31 of 38 (81.58%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wa65m674gijsyy62pdqdp5p7uyete5ptzapl62gncadtxunzxtkq._file
Verdict:
malicious
Similar samples:
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Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
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+ 2'271 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:562ce294a991b18054802a17b24ce0f9 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230822-rs196aec2s/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses 2FA software files, possible credential harvesting
Adds Run key to start application
Looks up external IP address via web service
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://t.me/buukcay
https://steamcommunity.com/profiles/76561199544211655
Unpacked files
SH256 hash:
394053926e5ba9b71408ff8e6f0fbb6a1b25f0662335af11e3db7105e27c3919
MD5 hash:
5b8987718ae29f12e876c612d971a60f
SHA1 hash:
e24835410c0d36683ab7e5512ad290568b40464f
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/609a693b-ff3d-446f-adc8-3733e4a475f9/
SH256 hash:
b03dd67bfc32132c63da78e037f5ffa6093275f3c81ebf68cd10073bd1b9bcd5
MD5 hash:
c4fc05338646a5132121c99adb6d3f17
SHA1 hash:
ff631632c638a888e67040ac1ea886e4a0a8b710
Link:
https://www.unpac.me/results/609a693b-ff3d-446f-adc8-3733e4a475f9/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b03dd67bfc32/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/b03dd67bfc32132c63da78e037f5ffa6093275f3c81ebf68cd10073bd1b9bcd5

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 b03dd67bfc32132c63da78e037f5ffa6093275f3c81ebf68cd10073bd1b9bcd5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2635570/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/444171/

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