MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4a79a9ce79723a3d58d66313d0eead764aab5ad882753ba912a8207c88a1e96. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f4a79a9ce79723a3d58d66313d0eead764aab5ad882753ba912a8207c88a1e96
SHA3-384 hash: a715ba94aff4531a3183f334a0374e5276db8019f4ebe607d5800e4dfc4a831be15f512feb41d0d68dccdb69bc82d02b
SHA1 hash: 40782203c559993b440002efbde4a3fe5e8a8566
MD5 hash: 33aaefb01e22d6ab91b4fe913a1d27d6
humanhash: orange-alabama-mockingbird-white
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:699'392 bytes
First seen:2023-03-16 14:49:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1721309e32c361be0bb58c665aa73d12 (3 x Smoke Loader, 2 x RedLineStealer, 2 x LaplasClipper)
ssdeep 12288:rarQ8utkFH8T4zjLWkFw5fkZOhrFekuoI59NQ34QsRqvFNAmNr0WhkN7:182McGjL92xhrokuR9Q4Qs0kNW2
Threatray 1'356 similar samples on MalwareBazaar
TLSH T189E4024393E07C60F4614A368E2BF6F4B65FF9514F67E79622449B2F08701A2C5A3BE1
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 0084944c44040800 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
221
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-16 14:52:04 UTC
Tags:
ransomware stop
Link:
https://app.any.run/tasks/38a97588-89be-4d7c-9f33-0a6eb683e12d

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/374796/
Result
Verdict:
Malware
Maliciousness:

Behaviour
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
Adding an access-denied ACE
Сreating synchronization primitives
Deleting a recently created file
DNS request
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed
Link:
https://www.filescan.io/uploads/64132c9cc60b3295f52b5d18/reports/ab216bce-56bb-4a78-9792-0dafcdb87efa/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/f4a79a9ce79723a3d58d66313d0eead764aab5ad882753ba912a8207c88a1e96
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/2d0634d3-cd00-4e2e-9db6-a54effa27d51
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1195101
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
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 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
Tries to steal Mail credentials (via file / registry access)
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: 828002 Sample: setup.exe Startdate: 16/03/2023 Architecture: WINDOWS Score: 100 83 Snort IDS alert for network traffic 2->83 85 Malicious sample detected (through community Yara rule) 2->85 87 Antivirus detection for URL or domain 2->87 89 10 other signatures 2->89 12 setup.exe 2->12         started        15 setup.exe 2->15         started        17 setup.exe 2->17         started        19 3 other processes 2->19 process3 signatures4 103 Detected unpacking (changes PE section rights) 12->103 105 Detected unpacking (overwrites its own PE header) 12->105 107 Writes a notice file (html or txt) to demand a ransom 12->107 109 Writes many files with high entropy 12->109 21 setup.exe 1 16 12->21         started        111 Injects a PE file into a foreign processes 17->111 25 setup.exe 17->25         started        27 setup.exe 19->27         started        process5 dnsIp6 77 api.2ip.ua 162.0.217.254, 443, 49698, 49699 ACPCA Canada 21->77 67 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 21->67 dropped 69 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 21->69 dropped 29 setup.exe 21->29         started        32 icacls.exe 21->32         started        file7 process8 signatures9 113 Injects a PE file into a foreign processes 29->113 34 setup.exe 1 25 29->34         started        process10 dnsIp11 73 uaery.top 189.245.141.165, 49702, 80 UninetSAdeCVMX Mexico 34->73 75 zexeq.com 211.59.14.90, 49703, 49704, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 34->75 59 StartUnifiedTileMo...che.dat.qazx (copy), DOS 34->59 dropped 61 C:\Users\...\StartUnifiedTileModelCache.dat, DOS 34->61 dropped 63 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 34->63 dropped 65 119 other malicious files 34->65 dropped 91 Modifies existing user documents (likely ransomware behavior) 34->91 39 build2.exe 34->39         started        42 build3.exe 34->42         started        file12 signatures13 process14 file15 93 Detected unpacking (changes PE section rights) 39->93 95 Detected unpacking (creates a PE file in dynamic memory) 39->95 97 Detected unpacking (overwrites its own PE header) 39->97 99 Injects a PE file into a foreign processes 39->99 45 build2.exe 20 39->45         started        71 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 42->71 dropped 101 Uses schtasks.exe or at.exe to add and modify task schedules 42->101 49 schtasks.exe 42->49         started        signatures16 process17 dnsIp18 79 t.me 149.154.167.99, 443, 49705 TELEGRAMRU United Kingdom 45->79 81 195.201.255.32, 49708, 80 HETZNER-ASDE Germany 45->81 115 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 45->115 117 Tries to steal Mail credentials (via file / registry access) 45->117 119 Tries to harvest and steal browser information (history, passwords, etc) 45->119 121 Tries to steal Crypto Currency Wallets 45->121 51 cmd.exe 45->51         started        53 conhost.exe 49->53         started        signatures19 process20 process21 55 conhost.exe 51->55         started        57 timeout.exe 51->57         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f4a79a9ce79723a3d58d66313d0eead764aab5ad882753ba912a8207c88a1e96/
Threat name:
Win32.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2023-03-16 12:22:02 UTC
File Type:
PE (Exe)
Extracted files:
26
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=6stzvhhhs4r2hvmnmyyt2dxk25skvnnnratvhourfkbapsekd2la._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'346 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:d6ef050131e7d5a1d595c51613328971 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230316-r7l4sabc75/
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/test1/get.php
https://t.me/zaskullz
https://steamcommunity.com/profiles/76561199486572327
http://135.181.87.234:80
Unpacked files
SH256 hash:
8ee61ff5337dfa30046f8496da2a3e06313f69b62832d11092c2774b5f488416
MD5 hash:
732b847e55e6be955d66333d9081343b
SHA1 hash:
9c712e176b4f172fec18fc95e9df991546396905
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/11369e2a-ecc7-4153-9e58-3d558f0c2cc9/
Parent samples :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 hash:
f4a79a9ce79723a3d58d66313d0eead764aab5ad882753ba912a8207c88a1e96
MD5 hash:
33aaefb01e22d6ab91b4fe913a1d27d6
SHA1 hash:
40782203c559993b440002efbde4a3fe5e8a8566
Link:
https://www.unpac.me/results/11369e2a-ecc7-4153-9e58-3d558f0c2cc9/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f4a79a9ce797/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/f4a79a9ce79723a3d58d66313d0eead764aab5ad882753ba912a8207c88a1e96

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: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.

File information

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

Web download

Stop

Executable exe f4a79a9ce79723a3d58d66313d0eead764aab5ad882753ba912a8207c88a1e96

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/374796/
  
URLhaus
https://urlhaus.abuse.ch/url/2393524/

Comments