MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903
SHA3-384 hash: 03d3bb43db7ec79ad14d2e6393a19ed24c4441a632a23e5090698dfe8c9af8b6e533a2302358f0b559885268459cdf10
SHA1 hash: 4b1a28730a1a2224a37ab641f80b1b53ac1f4240
MD5 hash: b80fb8f1c0bb9b4e8d08ab130ab9071e
humanhash: aspen-white-twenty-montana
File name:installer.exe
Download: download sample
Signature Stop
Create hunting rule
File size:711'168 bytes
First seen:2023-03-08 19:22:13 UTC
Last seen:2023-03-08 20:49:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9d87275419603abb20f5f1f078df04ba (7 x RedLineStealer, 2 x GCleaner, 2 x Stop)
ssdeep 12288:dKpGTRIY8uEnlhGT8aGrpSHsydHb3nMq3EFziQv1f3mfMwPspr:dNRIYEjGQloH573nH3EFzVv1uVsh
Threatray 1'324 similar samples on MalwareBazaar
TLSH T164E4020193E2AC24E2739B755E3EB3D56B2EF5214F27E7DA2248161E0DB11D2D6E3342
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 816a6a6a6a6a6a68 (1 x Stop, 1 x RedLineStealer)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
2
# of downloads :
219
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
installer.exe
Verdict:
Malicious activity
Analysis date:
2023-03-08 19:24:13 UTC
Tags:
ransomware stop loader stealer
Link:
https://app.any.run/tasks/54dff9a4-ff02-4b11-8fd3-6444ae529d75

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/372669/
Detection(s):
SecuriteInfo.com.Win32.CrypterX-gen.26763.14689.UNOFFICIAL
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
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware packed shell32.dll
Link:
https://www.filescan.io/uploads/6408e09795de9c131e3223f1/reports/ffe6da7b-ea50-41db-81ac-c618b98f8039/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903
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/e0d67cb9-035e-4ace-8186-7973bcd19928
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, HTMLPhi
Create hunting rule
Detection:
malicious
Classification:
rans.spre.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1189713
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
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Possible FUD Crypter (malicious underground PE packer) detected
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 HtmlPhish10
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 822585 Sample: installer.exe Startdate: 08/03/2023 Architecture: WINDOWS Score: 100 89 Snort IDS alert for network traffic 2->89 91 Multi AV Scanner detection for domain / URL 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 12 other signatures 2->95 12 installer.exe 2->12         started        15 installer.exe 2->15         started        17 installer.exe 2->17         started        19 4 other processes 2->19 process3 signatures4 117 Detected unpacking (changes PE section rights) 12->117 119 Detected unpacking (overwrites its own PE header) 12->119 121 Possible FUD Crypter (malicious underground PE packer) detected 12->121 127 2 other signatures 12->127 21 installer.exe 1 17 12->21         started        123 Injects a PE file into a foreign processes 17->123 25 installer.exe 17->25         started        125 Multi AV Scanner detection for dropped file 19->125 27 installer.exe 19->27         started        29 schtasks.exe 19->29         started        process5 dnsIp6 81 api.2ip.ua 162.0.217.254, 443, 49696, 49697 ACPCA Canada 21->81 63 C:\Users\...\installer.exe:Zone.Identifier, ASCII 21->63 dropped 65 C:\Users\user\AppData\Local\...\installer.exe, MS-DOS 21->65 dropped 31 installer.exe 21->31         started        34 icacls.exe 21->34         started        36 conhost.exe 29->36         started        file7 process8 signatures9 129 Injects a PE file into a foreign processes 31->129 38 installer.exe 1 25 31->38         started        process10 dnsIp11 83 zexeq.com 185.95.186.58, 49699, 49700, 80 NEXTNET-ASIQ Iraq 38->83 85 uaery.top 151.251.19.81, 49698, 80 IBGCBG Bulgaria 38->85 87 api.2ip.ua 38->87 67 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 38->67 dropped 69 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 38->69 dropped 71 C:\_readme.txt, ASCII 38->71 dropped 73 225 other malicious files 38->73 dropped 105 Infects executable files (exe, dll, sys, html) 38->105 107 Modifies existing user documents (likely ransomware behavior) 38->107 43 build2.exe 38->43         started        46 build3.exe 38->46         started        file12 signatures13 process14 file15 109 Detected unpacking (changes PE section rights) 43->109 111 Detected unpacking (overwrites its own PE header) 43->111 113 Injects a PE file into a foreign processes 43->113 49 build2.exe 20 43->49         started        75 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 46->75 dropped 115 Uses schtasks.exe or at.exe to add and modify task schedules 46->115 53 schtasks.exe 46->53         started        signatures16 process17 dnsIp18 77 t.me 149.154.167.99, 443, 49701 TELEGRAMRU United Kingdom 49->77 79 95.216.179.190, 49702, 80 HETZNER-ASDE Germany 49->79 97 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 49->97 99 Tries to steal Mail credentials (via file / registry access) 49->99 101 Tries to harvest and steal browser information (history, passwords, etc) 49->101 103 Tries to steal Crypto Currency Wallets 49->103 55 cmd.exe 49->55         started        57 conhost.exe 53->57         started        signatures19 process20 process21 59 conhost.exe 55->59         started        61 timeout.exe 55->61         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-03-08 17:33:59 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
15 of 25 (60.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=o2sdoebrwqkgr75ab6md2uraooi6biwybbq7c4h462lellr73ebq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
5aad6ebccf994b06ae04f81acb19cbf976cea52e91671b5375c9c5d37dbb7098
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a5c5875892fcf16b14b95f13bc01d686f6127877cc1562721a8182db00c92912
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b299675e7e4654beadcaa2c38a96bf8324bbde96904ede17fdd88ebb7fdf2748
Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 1'314 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230308-x3scwsfe6y/
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/test2/get.php
Unpacked files
SH256 hash:
6a054ecf81f55d18aaa6a7d6f6546e6271c5e38b47fcf80ebcc1491e6c9242c3
MD5 hash:
b8aace52cd2e655c70eea1cf22012f22
SHA1 hash:
047b9f00e3021d92ba688bdbed22548531cf4a38
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/653d0df0-638f-479d-82f3-f2a15e7ee82d/
Parent samples :
76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903
210dd5fc781ed257780772f5119da596b87f0208d87d8c36b1729e4153ab7ac2
494b36b3cfcf799a7bc1c290c2bb322c39ab8e87c304c444133ea665ff42b52d
525e0d1a709248c6b34c0e4e42860bf90365e51ed426a9337d2ef7cd4c2674a5
SH256 hash:
76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903
MD5 hash:
b80fb8f1c0bb9b4e8d08ab130ab9071e
SHA1 hash:
4b1a28730a1a2224a37ab641f80b1b53ac1f4240
Link:
https://www.unpac.me/results/653d0df0-638f-479d-82f3-f2a15e7ee82d/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/76a4371031b4/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/76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903

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 76a4371031b41468ffa00f983d52207391e0a2d80861f170fcf69645ae3fd903

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/372669/

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