MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2828dacedb2b40774e46dbf85188a514f1c56c01a5f3a5ae438d9f1873b8fa2f. 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 1 YARA 10 File information Comments

SHA256 hash: 2828dacedb2b40774e46dbf85188a514f1c56c01a5f3a5ae438d9f1873b8fa2f
SHA3-384 hash: 4b249876c5598ef0da0d2544717847f1ebbb1ded3823702fe24289e9b100acbc9a2dd48195a71177b56baab1e4ef4aea
SHA1 hash: 195e8ac7a2b50675e242a4ed29ffaae0d1fb471f
MD5 hash: 77b3efc5f3edcb61331943168d4607b4
humanhash: stairway-fifteen-alpha-grey
File name:77b3efc5f3edcb61331943168d4607b4.exe
Download: download sample
Signature Stop
File size:681'472 bytes
First seen:2022-09-20 22:15:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 65d37261edfc3f39c54fa99926fd482c (1 x ArkeiStealer, 1 x NetWire, 1 x GCleaner)
ssdeep 12288:oGGFimuw3z74PBl3WvrGSHGTK/iFA3VFzRYYbHovt/JiDmoBVMyqYxJgZEU:E73/4J4HB/5vR/kp1oBCyqcK6U
TLSH T163E423193344D637C0154F339C189263E63EFE425E340BC7B656BE6C6E791A23AAA347
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10523/12/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon badacabecee6baa6 (95 x Stop, 87 x RedLineStealer, 62 x Smoke Loader)
Reporter abuse_ch
Tags:exe Stop


Avatar
abuse_ch
Stop C2:
http://116.203.7.175/

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://116.203.7.175/1375 https://threatfox.abuse.ch/ioc/850610/

Intelligence


File Origin
# of uploads :
1
# of downloads :
314
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
77b3efc5f3edcb61331943168d4607b4.exe
Verdict:
Malicious activity
Analysis date:
2022-09-20 22:15:47 UTC
Tags:
trojan ransomware stop loader stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Unauthorized injection to a recently created process
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:
75%
Tags:
anti-vm greyware packed ursnif
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
Verdict:
Malicious
Result
Threat name:
Babuk, Clipboard Hijacker, Djvu, Vidar
Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
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 dropped file
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
Uses schtasks.exe or at.exe to add and modify task schedules
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 706647 Sample: EXWop9nfS4.exe Startdate: 21/09/2022 Architecture: WINDOWS Score: 100 95 Snort IDS alert for network traffic 2->95 97 Multi AV Scanner detection for domain / URL 2->97 99 Malicious sample detected (through community Yara rule) 2->99 101 13 other signatures 2->101 12 EXWop9nfS4.exe 2->12         started        15 EXWop9nfS4.exe 2->15         started        17 mstsca.exe 2->17         started        19 2 other processes 2->19 process3 signatures4 113 Writes many files with high entropy 12->113 115 Injects a PE file into a foreign processes 12->115 21 EXWop9nfS4.exe 1 18 12->21         started        117 Multi AV Scanner detection for dropped file 15->117 119 Machine Learning detection for dropped file 15->119 25 EXWop9nfS4.exe 13 15->25         started        121 Antivirus detection for dropped file 17->121 27 schtasks.exe 17->27         started        29 EXWop9nfS4.exe 19->29         started        31 EXWop9nfS4.exe 19->31         started        process5 dnsIp6 85 api.2ip.ua 162.0.217.254, 443, 49710, 49713 ACPCA Canada 21->85 69 C:\Users\user\AppData\...XWop9nfS4.exe, PE32 21->69 dropped 71 C:\Users\...XWop9nfS4.exe:Zone.Identifier, ASCII 21->71 dropped 33 EXWop9nfS4.exe 21->33         started        36 icacls.exe 21->36         started        38 conhost.exe 27->38         started        file7 process8 signatures9 93 Injects a PE file into a foreign processes 33->93 40 EXWop9nfS4.exe 1 25 33->40         started        process10 dnsIp11 87 acacaca.org 109.102.255.230, 49714, 49715, 49717 RTDBucharestRomaniaRO Romania 40->87 89 rgyui.top 40->89 91 api.2ip.ua 40->91 73 C:\Users\user\AppData\Local\...\build3[1].exe, PE32 40->73 dropped 75 C:\Users\user\AppData\Local\...\build2[1].exe, PE32 40->75 dropped 77 C:\Users\user\AppData\Local\...\build2.exe, PE32 40->77 dropped 79 89 other files (81 malicious) 40->79 dropped 109 Tries to harvest and steal browser information (history, passwords, etc) 40->109 111 Modifies existing user documents (likely ransomware behavior) 40->111 45 build2.exe 40->45         started        48 build3.exe 40->48         started        file12 signatures13 process14 file15 123 Multi AV Scanner detection for dropped file 45->123 125 Machine Learning detection for dropped file 45->125 51 build2.exe 45->51         started        67 C:\Users\user\AppData\Roaming\...\mstsca.exe, PE32 48->67 dropped 127 Uses schtasks.exe or at.exe to add and modify task schedules 48->127 55 schtasks.exe 48->55         started        signatures16 process17 dnsIp18 81 t.me 149.154.167.99, 443, 49719 TELEGRAMRU United Kingdom 51->81 83 116.203.7.175, 49720, 80 HETZNER-ASDE Germany 51->83 103 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 51->103 105 Tries to harvest and steal browser information (history, passwords, etc) 51->105 107 Tries to steal Crypto Currency Wallets 51->107 57 cmd.exe 51->57         started        59 conhost.exe 55->59         started        signatures19 process20 process21 61 conhost.exe 57->61         started        63 taskkill.exe 57->63         started        65 timeout.exe 57->65         started       
Threat name:
Win32.Trojan.Raccoon
Status:
Malicious
First seen:
2022-09-20 11:08:30 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:djvu discovery persistence ransomware spyware stealer
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Kills process with taskkill
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
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Detected Djvu ransomware
Djvu Ransomware
Malware Config
C2 Extraction:
http://acacaca.org/test1/get.php
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:ditekSHen
Description:Detects STOP ransomware
Rule name:pdb_YARAify
Author:@wowabiy314
Description:PDB
Rule name:RansomwareTest4
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest5
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest6
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:RansomwareTest7
Author:Daoyuan Wu
Description:Test Ransomware YARA rules
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.stop.
Rule name:win_vidar_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.vidar.

File information


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

Web download

Stop

Executable exe 2828dacedb2b40774e46dbf85188a514f1c56c01a5f3a5ae438d9f1873b8fa2f

(this sample)

  
Delivery method
Distributed via web download

Comments