MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 22ed8ba56c9a195d2f2b50133b9ba06e6cc0705fd3003cd76c2717547443f3d4. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 22ed8ba56c9a195d2f2b50133b9ba06e6cc0705fd3003cd76c2717547443f3d4
SHA3-384 hash: a5fb62ce9a508a6e58ef68abbeed381858d36109f08d373edf309cb93c6f6e686d56a97427e6cf7a3bb7ac7ff41dc71e
SHA1 hash: 9d6e0772131c0a338caa0458e59b9e66f6ee1e2c
MD5 hash: af0b8f5af76165683f16c178e20703f0
humanhash: georgia-cold-robin-blue
File name:stop_ransom.exe
Download: download sample
Signature Stop
Create hunting rule
File size:831'488 bytes
First seen:2020-09-26 03:43:32 UTC
Last seen:2020-09-26 04:37:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash defdde8d8c075ba823e0c8c9b25dd8e9 (1 x Stop)
ssdeep 24576:9r33kKHXw2x9eo20ZcWB7kHkIreRbLd6:9LkKgo1Z/BIEIr2
Threatray 17 similar samples on MalwareBazaar
TLSH 6C05232B69151E6CE52029B41C5BFFA5CA1C6A33364633558CCBDE956E31CC2FB8370A
Reporter TrappmanRhett
Tags:Ransom Ransomware Stop

Intelligence

File Origin
# of uploads :
2
# of downloads :
402
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/65988/
Detection(s):
PUA.Win.Packer.Upx-48
Create hunting rule

PUA.Win.Packer.Upolyx-12
Create hunting rule

PUA.Win.Packer.Upx-4
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
DNS request
Sending a custom TCP request
Creating a file
Launching a process
Creating a process with a hidden window
Adding an access-denied ACE
Deleting a recently created file
Creating a window
Creating a process from a recently created file
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
Threat name:
Djvu Vidar
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/475688
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables the Windows task manager (taskmgr)
Found many strings related to Crypto-Wallets (likely being stolen)
Found ransom note / readme
Machine Learning detection for dropped file
Machine Learning detection for sample
May check the online IP address of the machine
Modifies existing user documents (likely ransomware behavior)
Modifies the hosts file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Mutes Antivirus updates and installments via hosts file black listing
Removes signatures from Windows Defender
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Writes many files with high entropy
Yara detected Djvu Ransomware
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 290294 Sample: stop_ransom.exe Startdate: 26/09/2020 Architecture: WINDOWS Score: 100 95 api.2ip.ua 2->95 125 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->125 127 Multi AV Scanner detection for domain / URL 2->127 129 Antivirus detection for URL or domain 2->129 131 13 other signatures 2->131 12 stop_ransom.exe 1 18 2->12         started        17 stop_ransom.exe 2->17         started        19 stop_ransom.exe 13 2->19         started        21 stop_ransom.exe 2->21         started        signatures3 process4 dnsIp5 101 api.2ip.ua 77.123.139.190, 443, 49727, 49728 VOLIA-ASUA Ukraine 12->101 79 C:\Users\user\AppData\...\stop_ransom.exe, PE32 12->79 dropped 81 C:\Users\...\stop_ransom.exe:Zone.Identifier, ASCII 12->81 dropped 141 Writes many files with high entropy 12->141 23 stop_ransom.exe 1 28 12->23         started        28 icacls.exe 12->28         started        103 cjto.top 17->103 83 C:\Users\user\Desktop\stop_ransom.exe, data 17->83 dropped file6 signatures7 process8 dnsIp9 97 cjto.top 129.226.35.17, 49729, 49730, 49732 TENCENT-NET-AP-CNTencentBuildingKejizhongyiAvenueCN Singapore 23->97 99 api.2ip.ua 23->99 69 C:\Users\user\...\UnistackCircular.etl.0001, DOS 23->69 dropped 71 C:\Users\user\AppData\...\updatewin2[1].exe, PE32 23->71 dropped 73 C:\Users\user\AppData\...\updatewin1[1].exe, PE32 23->73 dropped 75 142 other files (139 malicious) 23->75 dropped 133 Modifies existing user documents (likely ransomware behavior) 23->133 30 5.exe 23->30         started        35 updatewin1.exe 2 23->35         started        37 updatewin2.exe 23->37         started        file10 signatures11 process12 dnsIp13 105 ip-api.com 208.95.112.1, 49739, 80 TUT-ASUS United States 30->105 107 registrycougsucks.com 199.195.250.165, 49738, 80 PONYNETUS United States 30->107 85 C:\Users\user\AppData\...\softokn3[1].dll, PE32 30->85 dropped 87 C:\Users\user\AppData\...\freebl3[1].dll, PE32 30->87 dropped 89 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 30->89 dropped 93 9 other files (none is malicious) 30->93 dropped 109 Antivirus detection for dropped file 30->109 111 Detected unpacking (changes PE section rights) 30->111 113 Detected unpacking (overwrites its own PE header) 30->113 123 4 other signatures 30->123 39 cmd.exe 30->39         started        115 Multi AV Scanner detection for dropped file 35->115 41 updatewin1.exe 35->41         started        91 C:\Windows\System32\drivers\etc\hosts, ASCII 37->91 dropped 117 Mutes Antivirus updates and installments via hosts file black listing 37->117 119 Machine Learning detection for dropped file 37->119 121 Modifies the hosts file 37->121 file14 signatures15 process16 file17 45 conhost.exe 39->45         started        47 taskkill.exe 39->47         started        77 C:\Users\user\AppData\Local\script.ps1, ASCII 41->77 dropped 135 Suspicious powershell command line found 41->135 137 Removes signatures from Windows Defender 41->137 139 Disables the Windows task manager (taskmgr) 41->139 49 powershell.exe 41->49         started        51 powershell.exe 41->51         started        53 MpCmdRun.exe 41->53         started        55 cmd.exe 41->55         started        signatures18 process19 process20 57 powershell.exe 49->57         started        59 conhost.exe 49->59         started        61 conhost.exe 51->61         started        63 conhost.exe 53->63         started        65 conhost.exe 55->65         started        process21 67 conhost.exe 57->67         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/22ed8ba56c9a195d2f2b50133b9ba06e6cc0705fd3003cd76c2717547443f3d4/
Threat name:
Win32.Ransomware.FileCoder
Create hunting rule
Status:
Malicious
First seen:
2020-09-26 03:33:12 UTC
File Type:
PE (Exe)
Extracted files:
149
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=elwyxjlmtimv2lzlkajtxg5anzwma4c72madzv3me4lvi5cd6pka._file
Verdict:
malicious
Similar samples:
12750a545215e41d452a16e1c451f0e0682a5330078813313b67cd09499ac674
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20ebe8ff1da6f2023a43b3e3cbe14479961699f9dec0324f72070fa2b275eaae
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99ee06f5fb4f0aa90678d6a6405d2d01138bcd128c6d2aabecda07c110361ba2
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aa8c5d42026ac9a483f1984f762441d7f5805ef914819b473f9e15353995cc99
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e81e9dfe89a98449992b1ca9e4acb9905b606dc3de186b9de94241bde3b230be
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e8bcd430d48c430ced6992340cbce21ffc1a4d8cc60e6255b76870d33a5ea6b9
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fff57207bf2d6326bc580cd9788e36ec52437e472d26d49c015685525415d7ee
Stop
+ 7 additional samples on MalwareBazaar
Result
Malware family:
djvu
Create hunting rule
Score:
  10/10
Tags:
ransomware persistence discovery evasion spyware family:djvu
Link:
https://tria.ge/reports/200926-3k7n2ek15s/
Behaviour
Checks processor information in registry
Kills process with taskkill
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Checks installed software on the system
JavaScript code in executable
Looks up external IP address via web service
Loads dropped DLL
Modifies file permissions
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Disables Task Manager via registry modification
Drops file in Drivers directory
Executes dropped EXE
Modifies extensions of user files
Deletes Windows Defender Definitions
Djvu Ransomware
Unpacked files
SH256 hash:
22ed8ba56c9a195d2f2b50133b9ba06e6cc0705fd3003cd76c2717547443f3d4
MD5 hash:
af0b8f5af76165683f16c178e20703f0
SHA1 hash:
9d6e0772131c0a338caa0458e59b9e66f6ee1e2c
Link:
https://www.unpac.me/results/bbc0a4cb-1d8d-41df-bf88-aabd0d9def16/
SH256 hash:
f53ae20926bf03b49c917794d23a2b7f87fb48c47fe3010c4e8c5d4f09019ec5
MD5 hash:
765a67a90cce5c10584638f6f933a4b6
SHA1 hash:
242ec4c864fd51d6ba89b133d489ec9f55be30d5
Link:
https://www.unpac.me/results/bbc0a4cb-1d8d-41df-bf88-aabd0d9def16/
SH256 hash:
a07d378dfd5c6c4c521c298a54c0e99abe824e2a4385ca5877c72301ef2d0be0
MD5 hash:
070bf4aee830d6d1c8eb1d833ec13f75
SHA1 hash:
7b095e5dfec79b876eb02d7b552b11040063d0e7
Detections:
win_stop_auto
Create hunting rule
Link:
https://www.unpac.me/results/bbc0a4cb-1d8d-41df-bf88-aabd0d9def16/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
MalPE
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/22ed8ba56c9a195d2f2b50133b9ba06e6cc0705fd3003cd76c2717547443f3d4

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:suspicious_packer_section
Create hunting rule
Author:@j0sm1
Description:The packer/protector section names/keywords
Reference:http://www.hexacorn.com/blog/2012/10/14/random-stats-from-1-2m-samples-pe-section-names/
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_stop_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

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/65988/

Comments