MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3
SHA3-384 hash: 91978b55d248d05c7ec01c2d685a57a61d5c93172b8f0497ca19cc1841c495dd64d927f7ebbf607bf2183972285d40a2
SHA1 hash: ced9ebf65abc14747b31118182acc859b537c3be
MD5 hash: c7cd0cfab160d2c50eca232bbebb9ec0
humanhash: twelve-three-echo-network
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:850'432 bytes
First seen:2023-03-09 15:18:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b698673d77c7e68df527cd2e8fe6a3ae (1 x Stop)
ssdeep 12288:2cCqqogUJFu+tsYDeg6q5g7Y0b1Hr34brOARjbbGzTfQPtbhgzyflmcH9c3Spc:Z2UJFFLn6f7hbpYHnATIl6xq9cCa
Threatray 1'328 similar samples on MalwareBazaar
TLSH T1A7050103F2E0A8D1F9660B728E6ECED929DFB5624E54732B13D85A5F19301B1C263F16
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 011adeca94848288 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
235
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-03-09 15:21:15 UTC
Tags:
loader ransomware stop stealer
Link:
https://app.any.run/tasks/13be6f1d-e9bc-4ba9-985d-5937a0c11f36

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/373056/
Detection(s):
Sanesecurity.Malware.28986.BadIN.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28988.BadIN.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28876.BadIN.UNOFFICIAL
Create hunting rule

Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Sending an HTTP GET request
Creating a file
Sending a custom TCP request
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
Searching for synchronization primitives
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/72348/overview
Behaviour
MalwareBazaar
MeasuringTime
CPUID_Instruction
SystemUptime
EvasionQueryPerformanceCounter
EvasionGetTickCount
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
azorult babar greyware packed
Link:
https://www.filescan.io/uploads/6409f8e8aa9d4ecc35bc5d26/reports/09cd56c1-cd31-4bbe-9f00-c3437387eff2/overview
Verdict:
Malicious
Labled as:
Babar.Generic
Link:
https://www.hybrid-analysis.com/sample/a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3
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/85042227-7827-48a6-a421-4109ac82f117
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/1190509
Signature
Antivirus detection for URL or domain
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)
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
Yara detected ZipBomb
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 823389 Sample: setup.exe Startdate: 09/03/2023 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 11 other signatures 2->78 11 setup.exe 2->11         started        14 setup.exe 2->14         started        process3 signatures4 90 Detected unpacking (changes PE section rights) 11->90 92 Detected unpacking (overwrites its own PE header) 11->92 94 Writes a notice file (html or txt) to demand a ransom 11->94 96 2 other signatures 11->96 16 setup.exe 1 16 11->16         started        process5 dnsIp6 60 api.2ip.ua 162.0.217.254, 443, 49699, 49702 ACPCA Canada 16->60 46 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 16->46 dropped 48 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 16->48 dropped 20 setup.exe 16->20         started        23 icacls.exe 16->23         started        file7 process8 signatures9 80 Injects a PE file into a foreign processes 20->80 25 setup.exe 1 25 20->25         started        process10 dnsIp11 66 zexeq.com 138.36.3.134, 49704, 49705, 80 TEXNETSERVICOSDECOMUNICACAOEMINFORMATICALTDBR Brazil 25->66 68 uaery.top 222.236.49.124, 49703, 80 SKB-ASSKBroadbandCoLtdKR Korea Republic of 25->68 70 api.2ip.ua 25->70 52 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 25->52 dropped 54 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 25->54 dropped 56 C:\_readme.txt, ASCII 25->56 dropped 58 131 other malicious files 25->58 dropped 98 Modifies existing user documents (likely ransomware behavior) 25->98 30 build2.exe 25->30         started        33 build3.exe 25->33         started        file12 signatures13 process14 file15 100 Detected unpacking (changes PE section rights) 30->100 102 Detected unpacking (overwrites its own PE header) 30->102 104 Injects a PE file into a foreign processes 30->104 36 build2.exe 18 30->36         started        50 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 33->50 dropped 106 Uses schtasks.exe or at.exe to add and modify task schedules 33->106 40 schtasks.exe 33->40         started        signatures16 process17 dnsIp18 62 t.me 149.154.167.99, 443, 49706 TELEGRAMRU United Kingdom 36->62 64 95.216.179.190, 49707, 80 HETZNER-ASDE Germany 36->64 82 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 36->82 84 Tries to steal Mail credentials (via file / registry access) 36->84 86 Tries to harvest and steal browser information (history, passwords, etc) 36->86 88 Tries to steal Crypto Currency Wallets 36->88 42 WerFault.exe 36->42         started        44 conhost.exe 40->44         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3/
Threat name:
Win32.Ransomware.Stop
Create hunting rule
Status:
Malicious
First seen:
2023-03-09 15:29:20 UTC
File Type:
PE (Exe)
Extracted files:
33
AV detection:
19 of 25 (76.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uxhxzo2x3knvt3ru2cndl6kpzs4fcx4z3a4w3guvkq7b6oove2zq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
5aad6ebccf994b06ae04f81acb19cbf976cea52e91671b5375c9c5d37dbb7098
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6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a5c5875892fcf16b14b95f13bc01d686f6127877cc1562721a8182db00c92912
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'318 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:694f12963bedb0c6040fb3c74aac71e5 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230309-sp67nsda68/
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/nemesisgrow
https://steamcommunity.com/profiles/76561199471222742
http://65.109.12.165:80
Unpacked files
SH256 hash:
776b274e88d253394b58136f330fc470100a94023099624c87c61b91013d2ed8
MD5 hash:
52f716c7c7e6a25ffaba8a96aa96d3e8
SHA1 hash:
36cc49b06c226409b13815c4b24f92f1963f5eba
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/1d6780df-7556-421e-9f34-eae825663d7c/
Parent samples :
a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3
d1167128772b30c0143291247ebc0387d91dcead32f22d7abfc8a9cb0838ac5e
8aa518f4b9b4258806ff4e87c9bb342f368dae7ac899b3ed6df21ee8c57e633a
10d0bc55f0ea7ba253b93e5a0e5ae0d29f1a652e94be31367e34f26a978f24f0
SH256 hash:
a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3
MD5 hash:
c7cd0cfab160d2c50eca232bbebb9ec0
SHA1 hash:
ced9ebf65abc14747b31118182acc859b537c3be
Link:
https://www.unpac.me/results/1d6780df-7556-421e-9f34-eae825663d7c/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/a5cf7cbb57da/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/a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3

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: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: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 a5cf7cbb57da9b59ee34d09a35f94fccb8515f99d8396d9a95543e1f39d526b3

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/373056/

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