MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594. 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: 18


Intelligence 18 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594
SHA3-384 hash: ce0f2a820f9cfcce5b70ffe5bd0644b1e2bc2b829ebafd517ac03e3fa8d0b17440052bf4b90bf003d8827c23eb295555
SHA1 hash: 19ed14fac758bbee9c4216ebd6170f7a49fe20e5
MD5 hash: ddfab84c9d1f4927138dfc2013d36124
humanhash: california-freddie-wyoming-april
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:711'680 bytes
First seen:2023-04-04 01:18:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e29976161a141f5f92fe5bca09916305 (5 x Stop, 2 x Rhadamanthys, 1 x Amadey)
ssdeep 12288:soEnPNWx8Q0OFREitKX9uWqg+qHzaCl29l6e+407sP:s5nPNs8r9iW9uWqdizaCl2r/04
TLSH T19BE41241BFA2D077D2B384704524D6A4B33BB9336A72D583334407AE9E325D1AFBA785
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 00482c0c06222280 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
242
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-04 01:20:14 UTC
Tags:
ransomware stop loader stealer vidar trojan
Link:
https://app.any.run/tasks/92ed2717-ca1c-4b23-84b4-9335026a40e4

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/379806/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
Searching for the window
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file
Launching a process
Creating a process with a hidden window
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  9/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/76397/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionQueryPerformanceCounter
CheckCmdLine
EvasionGetTickCount
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
60%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/642b7b06497fb6f23efd311a/reports/96c7af30-ae3a-4a23-8700-14a8d2c4ff31/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594
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/d42f7d4a-1b0c-4d63-8511-bf5d07daef9e
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, HTMLPhi
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1207633
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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 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)
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 HtmlPhish10
Yara detected Zorab Ransomware
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 840552 Sample: setup.exe Startdate: 04/04/2023 Architecture: WINDOWS Score: 100 72 Snort IDS alert for network traffic 2->72 74 Multi AV Scanner detection for domain / URL 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 12 other signatures 2->78 11 setup.exe 2->11         started        14 mstsca.exe 2->14         started        16 setup.exe 2->16         started        process3 signatures4 84 Detected unpacking (changes PE section rights) 11->84 86 Detected unpacking (overwrites its own PE header) 11->86 88 Writes a notice file (html or txt) to demand a ransom 11->88 92 2 other signatures 11->92 18 setup.exe 1 16 11->18         started        90 Multi AV Scanner detection for dropped file 14->90 22 schtasks.exe 1 14->22         started        process5 dnsIp6 62 api.2ip.ua 162.0.217.254, 443, 49696, 49697 ACPCA Canada 18->62 56 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 18->56 dropped 58 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 18->58 dropped 24 setup.exe 18->24         started        27 icacls.exe 18->27         started        29 conhost.exe 22->29         started        file7 process8 signatures9 80 Injects a PE file into a foreign processes 24->80 31 setup.exe 1 24 24->31         started        36 wuapihost.exe 24->36         started        38 conhost.exe 27->38         started        process10 dnsIp11 64 zexeq.com 190.229.19.7, 49698, 49699, 49700 TelecomArgentinaSAAR Argentina 31->64 66 uaery.top 31->66 68 api.2ip.ua 31->68 48 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 31->48 dropped 50 C:\_readme.txt, ASCII 31->50 dropped 52 C:\Users\user\_readme.txt, ASCII 31->52 dropped 54 181 other files (180 malicious) 31->54 dropped 70 Modifies existing user documents (likely ransomware behavior) 31->70 40 build3.exe 1 31->40         started        file12 signatures13 process14 file15 60 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 40->60 dropped 82 Uses schtasks.exe or at.exe to add and modify task schedules 40->82 44 schtasks.exe 1 40->44         started        signatures16 process17 process18 46 conhost.exe 44->46         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-04-03 20:44:31 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wpcdcyvhpaa6js2g6xj6mc7h5zdparajhq6kbiip5lxop6jtwwka._file
Verdict:
malicious
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:5df88deb5dde677ba658b77ad5f60248 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230404-bpjb6scb46/
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 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
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/76561199489580435
https://t.me/tabootalks
Unpacked files
SH256 hash:
d3920ccd7aaec246e4c8aebe8d33e70a23580fe9cb6fda80a411b5031959acd6
MD5 hash:
cbd2e7304ab80943c2f73f0caae2a7ee
SHA1 hash:
827addd31c30d6b2a2239f88f2cce6e4e6fe1d25
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/c6eb43ce-83d9-48b9-b665-e71104d177f7/
Parent samples :
ad7758a0457954cdbf380e8c2dba21620afc1bb528952a4b8706d7914fe3b1ae
3853f8e43a5fa3145d7b35a689cbc6e419ea576600b65062beed7d8cba279ed4
6c8f66b5a6ee419614e8094b3b6d5435c2049cdc07c987ea84191b3f903ece79
e8e0abf095b375361c7a1e8721e2c3c12a0efe2281c1910a9d3e917f3a2be76c
57ea9b6b67bc4b396a634127e100bc1cab57a0873e00315ba88984529ee0cee2
18af63c6046e4fbb41759fd2f1c46e678b67d7b8d0541169d21cb0e99f56d2d1
41e4f44b85528e604366ac6cfd88db1376848652c8044724ce8d3e4cc9e0cb04
b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594
6c0d9af65dcde3c03c31c8a9312d7419a0cb6d3819039f20f975533c92917f32
e005e7585e4b7d705cad0474a059f636643a53a728c28224bbb91879c56b792d
78fc786e24f59fdd6945b84fde4a2909aec70e98aa90ffe418eb51a62b1dbb81
SH256 hash:
b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594
MD5 hash:
ddfab84c9d1f4927138dfc2013d36124
SHA1 hash:
19ed14fac758bbee9c4216ebd6170f7a49fe20e5
Link:
https://www.unpac.me/results/c6eb43ce-83d9-48b9-b665-e71104d177f7/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b3c43162a778/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/b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594

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:BitcoinAddress
Create hunting rule
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:MALWARE_Win_STOP
Create hunting rule
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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:Telegram_Links
Create hunting rule
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.
Rule name:win_vidar_a_6118
Create hunting rule
Author:Johannes Bader
Description:detect unpacked Vidar samples

File information

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

Web download

Stop

Executable exe b3c43162a77801e4cb46f5d3e60be7ee46f044093c3ca0a10feaeee7f933b594

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/379806/

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