MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4. 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: 37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4
SHA3-384 hash: 1a1f236e5822ed4f25b01aaabc54d0ec764823059065c8dcdfe9c887c296a471c557b4371113fb0440ef891aead51f5b
SHA1 hash: c6af00f4e44608f91c72990cdc13bfff9abfa42b
MD5 hash: dd408bfe936bfd1b428f199c707dc655
humanhash: bakerloo-mockingbird-sodium-tennis
File name:setup.exe
Download: download sample
Signature Stop
Create hunting rule
File size:718'336 bytes
First seen:2023-04-09 00:44:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 8effd33c0c7d3209e4d0dde05803b13b (7 x Smoke Loader, 6 x Amadey, 4 x Vidar)
ssdeep 12288:kjcSnbFDjK/dU7oB+EI+G8ClAdmxpQMUqpZ4i1QxKvwTG6MOhkfHNJVFG:DSnbFkwU+EVGllAdmXQMUqB1QxKB6MMk
Threatray 1'624 similar samples on MalwareBazaar
TLSH T114E412617E93C0B2C466C5728410CDF0DA3AF8529B5559DB37283BBA6E713C18B2E71B
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 00a018884a28a040 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
292
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
setup.exe
Verdict:
Malicious activity
Analysis date:
2023-04-09 00:47:55 UTC
Tags:
loader ransomware stop stealer vidar trojan
Link:
https://app.any.run/tasks/957b6e54-7695-4976-986b-a508fb7f1845

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/380975/
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

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
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/77064/overview
Behaviour
MalwareBazaar
MeasuringTime
SystemUptime
CPUID_Instruction
EvasionGetTickCount
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware lockbit packed zusy
Link:
https://www.filescan.io/uploads/64320a8fdb61692f9097df9d/reports/dfa22d23-61a9-4218-a06d-9dd11dbf1e9f/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4
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/7522057f-216a-40c8-a025-aff4a20c08cc
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/1210727
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)
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 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: 843639 Sample: setup.exe Startdate: 09/04/2023 Architecture: WINDOWS Score: 100 93 Snort IDS alert for network traffic 2->93 95 Multi AV Scanner detection for domain / URL 2->95 97 Malicious sample detected (through community Yara rule) 2->97 99 11 other signatures 2->99 12 setup.exe 2->12         started        15 setup.exe 2->15         started        17 setup.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 111 Detected unpacking (changes PE section rights) 12->111 113 Detected unpacking (overwrites its own PE header) 12->113 115 Writes a notice file (html or txt) to demand a ransom 12->115 117 Writes many files with high entropy 12->117 21 setup.exe 1 16 12->21         started        119 Injects a PE file into a foreign processes 17->119 25 setup.exe 17->25         started        121 Multi AV Scanner detection for dropped file 19->121 27 schtasks.exe 19->27         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49702, 49705 ACPCA Canada 21->81 69 C:\Users\user\...\setup.exe:Zone.Identifier, ASCII 21->69 dropped 71 C:\Users\user\AppData\Local\...\setup.exe, MS-DOS 21->71 dropped 29 setup.exe 21->29         started        32 icacls.exe 21->32         started        34 conhost.exe 27->34         started        file7 process8 signatures9 123 Injects a PE file into a foreign processes 29->123 36 setup.exe 1 25 29->36         started        process10 dnsIp11 75 uaery.top 185.95.186.58, 49706, 80 NEXTNET-ASIQ Iraq 36->75 77 zexeq.com 190.219.89.165, 49707, 49708, 80 CableOndaPA Panama 36->77 79 2 other IPs or domains 36->79 61 C:\Users\user\AppData\Local\...\build2.exe, PE32 36->61 dropped 63 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 36->63 dropped 65 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 36->65 dropped 67 118 other malicious files 36->67 dropped 101 Modifies existing user documents (likely ransomware behavior) 36->101 41 build2.exe 36->41         started        44 build3.exe 1 36->44         started        file12 signatures13 process14 file15 103 Multi AV Scanner detection for dropped file 41->103 105 Detected unpacking (changes PE section rights) 41->105 107 Detected unpacking (overwrites its own PE header) 41->107 47 build2.exe 41->47         started        73 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 44->73 dropped 109 Uses schtasks.exe or at.exe to add and modify task schedules 44->109 51 schtasks.exe 1 44->51         started        signatures16 process17 dnsIp18 83 195.201.253.86, 49711, 80 HETZNER-ASDE Germany 47->83 85 t.me 149.154.167.99, 443, 49710 TELEGRAMRU United Kingdom 47->85 87 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 47->87 89 Tries to harvest and steal browser information (history, passwords, etc) 47->89 91 Tries to steal Crypto Currency Wallets 47->91 53 cmd.exe 47->53         started        55 conhost.exe 51->55         started        signatures19 process20 process21 57 conhost.exe 53->57         started        59 timeout.exe 53->59         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2023-04-09 00:45:08 UTC
File Type:
PE (Exe)
Extracted files:
21
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=g63hflhirtp7knyanu5zz4zsvs4kthg2xtghvefndgqiifgzox2a._file
Verdict:
malicious
Similar samples:
28c3528b809644ab676d16c1f13ecf970b7ae087f8387006112fec79db5052bf
Stop
30c76f05ef5f620e025fdbe3586002e54410ba8675bf8d5aa7e26a656a769fac
Stop
360006e9a559eb1322117c356b79852e642479ec9a729e01bf25505310dd2e94
Stop
484c5744d61f823650e0e4d8c6f4b0c7235a3ebab72af70ecaa8f15f11f4e0d2
Stop
5f32994ba18ea60037aaaaa54590f5f05168f8aca109b3d2d43b072e1195f3d8
Stop
611555ad45f406141e18bf4a8611d2a8028d7f637090c1e95b99882884a1656b
Stop
90925440b152418f4955cb81fcf2ba978c73923eb9bfcc12627fa779bb82acc1
Stop
9397ff6e983a3a071173c76e020e464ee2df3def8925c373eafaf38eaa410bbe
Stop
d3e4e4c70db693465dbb2a31f30ce08961d424707c1283280c0101c85d56e699
Stop
f0fee7303e943a55b74e19e10f23a0f433e8af720516e2488d19dc7fbfb447c6
Stop
+ 1'614 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:b12e0b8009914d9dfb3d1b8ced1d3a65 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230409-a326rsaa3t/
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://steamcommunity.com/profiles/76561199492257783
https://t.me/justsometg
Unpacked files
SH256 hash:
6a02aca79062ff33eed8e82977d69385c3a89bad920fec67cdacecd87f55392b
MD5 hash:
3cb1d897516e9e8efa1ccca65a244663
SHA1 hash:
6d7def39443315c94b5307d88964815ea7fcdd97
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/e2c1595c-1319-4cac-8c8a-7f76f7d4eaa9/
Parent samples :
37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4
50464ff3946200a756ed2e90b1922c55f6f3327d11da11debf088f3be8718d8a
b042d0a35e464438695e141265147a672116a7110a0e389bcd3a3f80fb36337b
a5a474275a80be0d1efabf4534e9bae26c06968ed0fbb163c7dd2eb894c163fc
SH256 hash:
37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4
MD5 hash:
dd408bfe936bfd1b428f199c707dc655
SHA1 hash:
c6af00f4e44608f91c72990cdc13bfff9abfa42b
Link:
https://www.unpac.me/results/e2c1595c-1319-4cac-8c8a-7f76f7d4eaa9/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37b672ace88c/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/37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4

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 37b672ace88cdff537006d3b9cf332acb8a99cdabccc7a90ad19a08414d975f4

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/380975/

Comments