MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef0400469910cc9285bf258af7f59f93c3bc73a129685c51019be5cbefd5e9cd. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef0400469910cc9285bf258af7f59f93c3bc73a129685c51019be5cbefd5e9cd
SHA3-384 hash: 2c7cd6312dad44d5f098b85115e328da0efb41a944a1c5b3d1fffae4462e5d5eb7a430863f5a0913c964fc73670a415f
SHA1 hash: b9c2c536fc8b498b82e7454f8dfce93817708f9a
MD5 hash: d55b1a9e3506e4082797f6dd43c9805f
humanhash: lion-nine-triple-oxygen
File name:08023599.exe
Download: download sample
Signature Stop
Create hunting rule
File size:809'472 bytes
First seen:2023-05-27 09:01:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash bd191f6a78cc98a8bbe61db18ad8e9a2 (5 x Glupteba, 4 x Smoke Loader, 3 x ArkeiStealer)
ssdeep 12288:QDKOvp4hNvpyraXOVuskkOhc0J/6tKg2Ne7B8:1Ovp4hRzquskxW0k+8V8
Threatray 1'881 similar samples on MalwareBazaar
TLSH T18B05E05392E17D94F9264A339E2EC6E8731EB6644E493B6722085FEB04F01B2D1737B1
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 888488c0c0c8c840 (1 x Stop)
Reporter Neiki
Tags:Stop

Intelligence

File Origin
# of uploads :
1
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
stop
Create hunting rule
ID:
1
File name:
08023599.exe
Verdict:
Malicious activity
Analysis date:
2023-05-27 09:04:39 UTC
Tags:
ransomware stop
Link:
https://app.any.run/tasks/ad2583b8-aec9-4177-af2f-2f6149de4fe0

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/392468/
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
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:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware packed
Link:
https://www.filescan.io/uploads/6471c70a54b72f9558c5ea04/reports/3b898980-d8e0-45fa-ae3b-75f20ca7f493/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/ef0400469910cc9285bf258af7f59f93c3bc73a129685c51019be5cbefd5e9cd
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/a478c53a-e84b-42e1-9945-2a258ed1451a
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/1243745
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 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
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 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
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 876756 Sample: 08023599.exe Startdate: 27/05/2023 Architecture: WINDOWS Score: 100 82 Snort IDS alert for network traffic 2->82 84 Found malware configuration 2->84 86 Malicious sample detected (through community Yara rule) 2->86 88 12 other signatures 2->88 11 08023599.exe 2->11         started        14 08023599.exe 2->14         started        16 08023599.exe 2->16         started        18 08023599.exe 2->18         started        process3 signatures4 100 Detected unpacking (changes PE section rights) 11->100 102 Detected unpacking (overwrites its own PE header) 11->102 104 Writes a notice file (html or txt) to demand a ransom 11->104 106 Writes many files with high entropy 11->106 20 08023599.exe 1 16 11->20         started        108 Multi AV Scanner detection for dropped file 14->108 110 Injects a PE file into a foreign processes 14->110 24 08023599.exe 12 14->24         started        26 08023599.exe 16->26         started        28 08023599.exe 18->28         started        process5 dnsIp6 74 api.2ip.ua 162.0.217.254, 443, 49703, 49704 ACPCA Canada 20->74 62 C:\Users\user\AppData\Local\...\08023599.exe, PE32 20->62 dropped 64 C:\Users\...\08023599.exe:Zone.Identifier, ASCII 20->64 dropped 30 08023599.exe 20->30         started        33 icacls.exe 20->33         started        76 192.168.2.1 unknown unknown 24->76 file7 process8 signatures9 112 Injects a PE file into a foreign processes 30->112 35 08023599.exe 1 24 30->35         started        process10 dnsIp11 68 colisumy.com 189.245.63.16, 49706, 80 UninetSAdeCVMX Mexico 35->68 70 zexeq.com 95.107.163.44, 49705, 49708, 80 ASC-AL-ASAL Albania 35->70 72 api.2ip.ua 35->72 54 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 35->54 dropped 56 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 35->56 dropped 58 C:\_readme.txt, ASCII 35->58 dropped 60 116 other malicious files 35->60 dropped 90 Modifies existing user documents (likely ransomware behavior) 35->90 40 build2.exe 35->40         started        43 build3.exe 35->43         started        file12 signatures13 process14 file15 92 Detected unpacking (changes PE section rights) 40->92 94 Detected unpacking (overwrites its own PE header) 40->94 96 Injects a PE file into a foreign processes 40->96 46 build2.exe 40->46         started        66 C:\Users\user\AppData\Roaming\...\mstsca.exe, MS-DOS 43->66 dropped 98 Uses schtasks.exe or at.exe to add and modify task schedules 43->98 50 schtasks.exe 43->50         started        signatures16 process17 dnsIp18 78 t.me 149.154.167.99, 443, 49709 TELEGRAMRU United Kingdom 46->78 80 78.47.34.59, 30303, 49710 HETZNER-ASDE Germany 46->80 114 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 46->114 116 Tries to harvest and steal browser information (history, passwords, etc) 46->116 118 Tries to steal Crypto Currency Wallets 46->118 52 conhost.exe 50->52         started        signatures19 process20
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef0400469910cc9285bf258af7f59f93c3bc73a129685c51019be5cbefd5e9cd/
Threat name:
Win32.Trojan.RedLine
Create hunting rule
Status:
Malicious
First seen:
2023-05-27 09:02:04 UTC
File Type:
PE (Exe)
Extracted files:
56
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54caaruzcdgjfbn7ewfpp5m7spb3y45bffufyuibtps4x36v5hgq._file
Verdict:
malicious
Similar samples:
2831300675369e6ac5d928446186f83bedc4027fe6db617039e5b224258ed0b6
Stop
35ba91ddf0d41590d0de137bc1d6e5524d8a84ecfabdae793e6b3a499f2c67d4
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+ 1'871 additional samples on MalwareBazaar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:djvu family:vidar botnet:e44c96dfdf315ccf17cdd4b93cfe6e48 discovery persistence ransomware spyware stealer
Link:
https://tria.ge/reports/230527-kzfhpsbd54/
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
https://steamcommunity.com/profiles/76561199508624021
https://t.me/looking_glassbot
Gathering data
Malware family:
STOP
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ef0400469910/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/ef0400469910cc9285bf258af7f59f93c3bc73a129685c51019be5cbefd5e9cd

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:has_telegram_urls
Create hunting rule
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Create hunting rule
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
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: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.

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/392468/

Comments