MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2
SHA3-384 hash: 9fb2a4e914118a9780109a6a2c16c7a4127ab3c640f8f9199fe2ca50738e257f94139485b98b5c7962b586c176dc4db1
SHA1 hash: c5fd9e1c8fc31944a99b419b1c3680855a37f8ad
MD5 hash: 330a396ba665a3dd954984ec87d39ecd
humanhash: lima-magazine-virginia-ack
File name:file.exe
Download: download sample
Signature Stop
Create hunting rule
File size:756'736 bytes
First seen:2023-06-16 00:50:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a906842d3a12e68a8de3680faf4710f1 (2 x Stop, 2 x RedLineStealer, 1 x ArkeiStealer)
ssdeep 12288:q2ip8a5YUBCkK1PEDRIDpaspVtJzP8IBhfUjUo73PXgdIvOLU7cz7MORe:q2lKpBVKIurjndBh2DXVvcz7MORe
Threatray 2'086 similar samples on MalwareBazaar
TLSH T198F41212EEF0ACF3F5269A728D2AC9E53FAEFC514E245657226C361F05712B08472379
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 0040666a4e426210 (1 x Stop)
Reporter Chainskilabs
Tags:exe Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
311
Origin country :
US US
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
file.exe
Verdict:
Malicious activity
Analysis date:
2023-06-16 00:52:05 UTC
Tags:
ransomware stop loader stealer vidar trojan arkei
Link:
https://app.any.run/tasks/cabe5890-ce33-4710-85d8-c54f534ff0ce

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/399367/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.47.3717.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
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:
  8/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90964/overview
Behaviour
MalwareBazaar
SystemUptime
MeasuringTime
CheckCmdLine
EvasionGetTickCount
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/648bb1f7ec3d0b10ee4280a7/reports/d9457a2b-3526-4b12-97e2-f26d7fbd3f65/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2
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/7455ee39-2e19-45e6-a1af-316cd5bb4026
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/1255713
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 malware configuration
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 dropped file
Multi AV Scanner detection for submitted file
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 known network protocols on non-standard ports
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: 888733 Sample: file.exe Startdate: 16/06/2023 Architecture: WINDOWS Score: 100 85 Found malware configuration 2->85 87 Malicious sample detected (through community Yara rule) 2->87 89 Antivirus detection for URL or domain 2->89 91 12 other signatures 2->91 10 file.exe 2->10         started        13 file.exe 2->13         started        15 file.exe 2->15         started        17 2 other processes 2->17 process3 signatures4 99 Detected unpacking (changes PE section rights) 10->99 101 Detected unpacking (overwrites its own PE header) 10->101 103 Writes a notice file (html or txt) to demand a ransom 10->103 105 Writes many files with high entropy 10->105 19 file.exe 1 16 10->19         started        107 Multi AV Scanner detection for dropped file 13->107 109 Machine Learning detection for dropped file 13->109 111 Injects a PE file into a foreign processes 13->111 23 file.exe 12 13->23         started        25 file.exe 15->25         started        27 file.exe 17->27         started        29 schtasks.exe 17->29         started        process5 dnsIp6 71 api.2ip.ua 162.0.217.254, 443, 49701, 49702 ACPCA Canada 19->71 59 C:\Users\user\AppData\Local\...\file.exe, PE32 19->59 dropped 61 C:\Users\user\...\file.exe:Zone.Identifier, ASCII 19->61 dropped 31 file.exe 19->31         started        34 icacls.exe 19->34         started        36 conhost.exe 19->36         started        73 192.168.2.1 unknown unknown 27->73 38 conhost.exe 29->38         started        file7 process8 signatures9 123 Injects a PE file into a foreign processes 31->123 40 file.exe 1 24 31->40         started        process10 dnsIp11 79 colisumy.com 190.103.205.174, 49704, 80 NODOCOOPFederaciondeCooperativasLtdaAR Argentina 40->79 81 zexeq.com 109.175.29.39, 49703, 49706, 80 BIHNETBIHNETAutonomusSystemBA Bosnia and Herzegowina 40->81 83 api.2ip.ua 40->83 63 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 40->63 dropped 65 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 40->65 dropped 67 C:\Users\user\...behaviorgraphoogle Drive.ico.md5, COM 40->67 dropped 69 131 other malicious files 40->69 dropped 113 Modifies existing user documents (likely ransomware behavior) 40->113 45 build2.exe 40->45         started        48 build3.exe 40->48         started        file12 signatures13 process14 file15 115 Detected unpacking (changes PE section rights) 45->115 117 Detected unpacking (overwrites its own PE header) 45->117 119 Injects a PE file into a foreign processes 45->119 51 build2.exe 45->51         started        57 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 48->57 dropped 121 Uses schtasks.exe or at.exe to add and modify task schedules 48->121 55 schtasks.exe 48->55         started        signatures16 process17 dnsIp18 75 t.me 149.154.167.99, 443, 49707 TELEGRAMRU United Kingdom 51->75 77 116.202.5.168, 11022, 49708 HETZNER-ASDE Germany 51->77 93 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->93 95 Tries to harvest and steal browser information (history, passwords, etc) 51->95 97 Tries to steal Crypto Currency Wallets 51->97 signatures19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2/
Threat name:
Win32.Trojan.SmokeLoader
Create hunting rule
Status:
Malicious
First seen:
2023-06-16 00:51:09 UTC
File Type:
PE (Exe)
Extracted files:
37
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ip4njatctegggmsh72mubtq27eti55cpdynh3guglsg7nfyq2tza._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
Stop
6a455892dc6b808ff4f012010f20ad4bbf16b881b9c235d98c85565591289012
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83c4c80adbeb1d8411e49c1d14a886af6a26c9fb9827d8852d4e45e4a5f09b17
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a0038a7651f4408728f4a8c7a2abe43b237fc9dc6645fa34e5c4d9c212658878
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Stop
d46fec4abba46efe6663f19c2d9963a612f4ff25023c0dc6fc5bb559f106859d
Stop
+ 2'076 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:a129a8292a021d62796bfced1018aa1f discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230616-a7hypacb38/
Behaviour
Checks processor information in registry
Creates scheduled task(s)
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/raud/get.php
https://steamcommunity.com/profiles/76561199514261168
https://t.me/kamaprimo
Unpacked files
SH256 hash:
9dba89876bea2e74c188b0d3444138a53b6a49888b9d126bad524429991f29f8
MD5 hash:
c2194b22bfd5c265f219fe9e8373db53
SHA1 hash:
0c0c25d29ca55309637bfc4d812e88a6f57106b9
Detections:
djvu_ransomware
Create hunting rule
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/ccb59921-0205-4e3e-863b-4e6e65c2971f/
Parent samples :
43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2
18a286151a945cf91548c05bc4b566eebbed37f71061fb0f4ad7e884d96edb40
SH256 hash:
43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2
MD5 hash:
330a396ba665a3dd954984ec87d39ecd
SHA1 hash:
c5fd9e1c8fc31944a99b419b1c3680855a37f8ad
Link:
https://www.unpac.me/results/ccb59921-0205-4e3e-863b-4e6e65c2971f/
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/43f8d4826299/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/43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2

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: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:Vidar
Create hunting rule
Author:kevoreilly,rony
Description:Vidar Payload
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.
Rule name:win_vidar
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detection of Vidar Stealer and Variants via strings present in final unpacked payloads

File information

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

Web download

Stop

Executable exe 43f8d48262990c633247fe9940ce1af9268ef44f1e1a7d9a865c8df69710d4f2

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2635570/
Cape
Cape
https://www.capesandbox.com/analysis/399367/

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