MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a. 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: 17


Intelligence 17 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a
SHA3-384 hash: 3b4327a32d5dabcdb1200dffca86295d2994f73b3744b1d61e9935a203ca02bc4165f7fc8bd0ff1e17e09260fe97d88d
SHA1 hash: 2238200a548fc8f340b27fa6ae41f647fce1f698
MD5 hash: b261c1b1539dfce34e5c8568fbce7044
humanhash: sodium-blossom-summer-queen
File name:b261c1b1539dfce34e5c8568fbce7044.exe
Download: download sample
Signature Stop
Create hunting rule
File size:793'600 bytes
First seen:2023-03-02 19:55:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7d1287ebaf72365e39814fe87a9e44ad (3 x RedLineStealer, 1 x Amadey, 1 x Stop)
ssdeep 12288:4nlI02D4f2nmGwmSQDd2eLjtTugh4XsJLUIaa2AxKOxPFTwkl0B:8YD4foQmSQPeXst5LbxjPFTwk+B
Threatray 1'316 similar samples on MalwareBazaar
TLSH T1C4F41221B681F0B5D66F0E709D27DBF46F7EB83261B28D7B136C062A4D3C352620AB55
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
16.0% (.EXE) Win32 Executable (generic) (4505/5/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 383074c4eac0c841 (1 x Stop)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://zexeq.com/test1/get.php

Intelligence

File Origin
# of uploads :
1
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
b261c1b1539dfce34e5c8568fbce7044.exe
Verdict:
Malicious activity
Analysis date:
2023-03-02 19:58:06 UTC
Tags:
ransomware stop loader stealer
Link:
https://app.any.run/tasks/3f79f179-a8e5-4e6b-955c-7cbc0c54045f

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/371280/
Detection(s):
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
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 packed
Link:
https://www.filescan.io/uploads/6400ff54bfec0852a68e8af0/reports/239be439-7cb4-43a2-b2e6-c0d8681d23a1/overview
Verdict:
Malicious
Labled as:
Pack.Emotet.Generic
Link:
https://www.hybrid-analysis.com/sample/4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a
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/327cd210-17cb-47ff-82a7-3851862f9e05
Result
Threat name:
Clipboard Hijacker, Djvu, Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1186088
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 dropped file
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 submitted file
Snort IDS alert for network traffic
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 Clipboard Hijacker
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 818950 Sample: 5MWdaAvhYR.exe Startdate: 02/03/2023 Architecture: WINDOWS Score: 100 88 Snort IDS alert for network traffic 2->88 90 Multi AV Scanner detection for domain / URL 2->90 92 Malicious sample detected (through community Yara rule) 2->92 94 8 other signatures 2->94 11 5MWdaAvhYR.exe 2->11         started        14 5MWdaAvhYR.exe 2->14         started        16 5MWdaAvhYR.exe 2->16         started        18 2 other processes 2->18 process3 signatures4 106 Detected unpacking (changes PE section rights) 11->106 108 Detected unpacking (overwrites its own PE header) 11->108 110 Writes a notice file (html or txt) to demand a ransom 11->110 112 Writes many files with high entropy 11->112 20 5MWdaAvhYR.exe 1 16 11->20         started        114 Machine Learning detection for dropped file 14->114 116 Injects a PE file into a foreign processes 14->116 24 5MWdaAvhYR.exe 12 14->24         started        26 5MWdaAvhYR.exe 16->26         started        28 5MWdaAvhYR.exe 18->28         started        30 schtasks.exe 18->30         started        process5 dnsIp6 78 api.2ip.ua 162.0.217.254, 443, 49702, 49703 ACPCA Canada 20->78 60 C:\Users\user\AppData\...\5MWdaAvhYR.exe, PE32 20->60 dropped 62 C:\Users\...\5MWdaAvhYR.exe:Zone.Identifier, ASCII 20->62 dropped 32 5MWdaAvhYR.exe 20->32         started        35 icacls.exe 20->35         started        37 conhost.exe 30->37         started        file7 process8 signatures9 86 Injects a PE file into a foreign processes 32->86 39 5MWdaAvhYR.exe 1 25 32->39         started        process10 dnsIp11 80 zexeq.com 190.229.19.7, 49704, 49707, 80 TelecomArgentinaSAAR Argentina 39->80 82 uaery.top 190.218.32.226, 49705, 80 CableOndaPA Panama 39->82 84 2 other IPs or domains 39->84 64 C:\_readme.txt, ASCII 39->64 dropped 66 C:\Users\user\_readme.txt, ASCII 39->66 dropped 68 C:\Users\user\...\tmpE162.tmp.gosw (copy), MS-DOS 39->68 dropped 70 287 other malicious files 39->70 dropped 104 Modifies existing user documents (likely ransomware behavior) 39->104 44 build2.exe 39->44         started        47 build3.exe 39->47         started        file12 signatures13 process14 file15 118 Detected unpacking (changes PE section rights) 44->118 120 Detected unpacking (overwrites its own PE header) 44->120 122 Injects a PE file into a foreign processes 44->122 50 build2.exe 44->50         started        72 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 47->72 dropped 124 Uses schtasks.exe or at.exe to add and modify task schedules 47->124 54 schtasks.exe 47->54         started        signatures16 process17 dnsIp18 74 t.me 149.154.167.99, 443, 49709 TELEGRAMRU United Kingdom 50->74 76 49.12.112.48, 49710, 80 HETZNER-ASDE Germany 50->76 96 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 50->96 98 Tries to steal Mail credentials (via file / registry access) 50->98 100 Tries to harvest and steal browser information (history, passwords, etc) 50->100 102 Tries to steal Crypto Currency Wallets 50->102 56 WerFault.exe 50->56         started        58 conhost.exe 54->58         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-03-02 20:11:10 UTC
File Type:
PE (Exe)
Extracted files:
17
AV detection:
22 of 25 (88.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=imimjmylzgzzrlrclhjqw6phqtsom5gkv7fhu5pzmk5qbbkhjyna._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
5aad6ebccf994b06ae04f81acb19cbf976cea52e91671b5375c9c5d37dbb7098
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6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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+ 1'306 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/230302-ynnltseb5s/
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 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
Unpacked files
SH256 hash:
972eb4052d36c783ef0f725d4ba3b0c8a822fec2594120a0bde331f02cb20574
MD5 hash:
1fb2cc1369ab08f1717c9c5ee2658e4b
SHA1 hash:
d6fa4ac861827fcc3d6c35ac0b461f2448a7654d
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/175085f5-6268-4dcc-89df-66827c683e73/
Parent samples :
9facbd9878c55d0c24a6a29c9caeea830499fdf5009b50a17f435e8a52e8d70c
5a48be903282ba1f15a03f73c6ff55e070bf7ac1bdfa60e436090a1ceb2d12a3
01d56d62cb296ae57618f4f201f37fbc6ea2f580cad067aa94386740787a917f
4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a
SH256 hash:
4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a
MD5 hash:
b261c1b1539dfce34e5c8568fbce7044
SHA1 hash:
2238200a548fc8f340b27fa6ae41f647fce1f698
Link:
https://www.unpac.me/results/175085f5-6268-4dcc-89df-66827c683e73/
Malware family:
Djvu
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4310c4b30bc9/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/4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a

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 4310c4b30bc9b398ae2259d30b79e784e4e674caafca7a75f962bb0085474e1a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2393524/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/371280/

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