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Windows
Analysis Report
A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe
Overview
General Information
Detection
Babuk, Bdaejec, Djvu
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Found ransom note / readme
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Babuk Ransomware
Yara detected Bdaejec
Yara detected Djvu Ransomware
AI detected suspicious sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies existing user documents (likely ransomware behavior)
PE file contains section with special chars
Uses known network protocols on non-standard ports
Writes a notice file (html or txt) to demand a ransom
Writes many files with high entropy
AV process strings found (often used to terminate AV products)
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to dynamically determine API calls
Contains functionality to launch a program with higher privileges
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to query network adapater information
Contains functionality to read the PEB
Contains functionality to record screenshots
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Drops PE files
Entry point lies outside standard sections
Extensive use of GetProcAddress (often used to hide API calls)
Found dropped PE file which has not been started or loaded
Found evasive API chain (date check)
Found evasive API chain (may stop execution after checking a module file name)
Found potential string decryption / allocating functions
IP address seen in connection with other malware
Installs a raw input device (often for capturing keystrokes)
Internet Provider seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
May sleep (evasive loops) to hinder dynamic analysis
One or more processes crash
PE file contains executable resources (Code or Archives)
PE file contains sections with non-standard names
Sigma detected: CurrentVersion Autorun Keys Modification
Uses 32bit PE files
Uses Microsoft's Enhanced Cryptographic Provider
Uses a known web browser user agent for HTTP communication
Uses cacls to modify the permissions of files
Uses code obfuscation techniques (call, push, ret)
Uses the system / local time for branch decision (may execute only at specific dates)
Yara signature match
Classification
- System is w10x64
- A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 5480 cmdline:
"C:\Users\ user\Deskt op\A9095F4 4928219267 930271D2AD 000C7B2F7F 2616DB4AD1 86E5D3AA28 3D14764.ex e" MD5: 0B5606B5BD61D8026FBCF1A217248485) - RranN.exe (PID: 6104 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\RranN.e xe MD5: F7D21DE5C4E81341ECCD280C11DDCC9A) - WerFault.exe (PID: 7192 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 6 104 -s 153 6 MD5: C31336C1EFC2CCB44B4326EA793040F2) - A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 3492 cmdline:
"C:\Users\ user\Deskt op\A9095F4 4928219267 930271D2AD 000C7B2F7F 2616DB4AD1 86E5D3AA28 3D14764.ex e" MD5: 0B5606B5BD61D8026FBCF1A217248485) - icacls.exe (PID: 7212 cmdline:
icacls "C: \Users\use r\AppData\ Local\9e48 c72b-7ad2- 4bab-8a98- 6bbf389aea 95" /deny *S-1-1-0:( OI)(CI)(DE ,DC) MD5: 2E49585E4E08565F52090B144062F97E) - A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7240 cmdline:
"C:\Users\ user\Deskt op\A9095F4 4928219267 930271D2AD 000C7B2F7F 2616DB4AD1 86E5D3AA28 3D14764.ex e" --Admin IsNotAuto Start IsNo tTask MD5: 0B5606B5BD61D8026FBCF1A217248485) - A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7380 cmdline:
"C:\Users\ user\Deskt op\A9095F4 4928219267 930271D2AD 000C7B2F7F 2616DB4AD1 86E5D3AA28 3D14764.ex e" --Admin IsNotAuto Start IsNo tTask MD5: 0B5606B5BD61D8026FBCF1A217248485)
- A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7272 cmdline:
C:\Users\u ser\AppDat a\Local\9e 48c72b-7ad 2-4bab-8a9 8-6bbf389a ea95\A9095 F449282192 67930271D2 AD000C7B2F 7F2616DB4A D186E5D3AA 283D14764. exe --Task MD5: 0B5606B5BD61D8026FBCF1A217248485) - A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7492 cmdline:
C:\Users\u ser\AppDat a\Local\9e 48c72b-7ad 2-4bab-8a9 8-6bbf389a ea95\A9095 F449282192 67930271D2 AD000C7B2F 7F2616DB4A D186E5D3AA 283D14764. exe --Task MD5: 0B5606B5BD61D8026FBCF1A217248485)
- A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7564 cmdline:
"C:\Users\ user\AppDa ta\Local\9 e48c72b-7a d2-4bab-8a 98-6bbf389 aea95\A909 5F44928219 267930271D 2AD000C7B2 F7F2616DB4 AD186E5D3A A283D14764 .exe" --Au toStart MD5: 0B5606B5BD61D8026FBCF1A217248485) - A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7688 cmdline:
"C:\Users\ user\AppDa ta\Local\9 e48c72b-7a d2-4bab-8a 98-6bbf389 aea95\A909 5F44928219 267930271D 2AD000C7B2 F7F2616DB4 AD186E5D3A A283D14764 .exe" --Au toStart MD5: 0B5606B5BD61D8026FBCF1A217248485)
- A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7808 cmdline:
"C:\Users\ user\AppDa ta\Local\9 e48c72b-7a d2-4bab-8a 98-6bbf389 aea95\A909 5F44928219 267930271D 2AD000C7B2 F7F2616DB4 AD186E5D3A A283D14764 .exe" --Au toStart MD5: 0B5606B5BD61D8026FBCF1A217248485) - A9095F44928219267930271D2AD000C7B2F7F2616DB4AD186E5D3AA283D14764.exe (PID: 7880 cmdline:
"C:\Users\ user\AppDa ta\Local\9 e48c72b-7a d2-4bab-8a 98-6bbf389 aea95\A909 5F44928219 267930271D 2AD000C7B2 F7F2616DB4 AD186E5D3A A283D14764 .exe" --Au toStart MD5: 0B5606B5BD61D8026FBCF1A217248485)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Babuk | Babuk Ransomware is a sophisticated ransomware compiled for several platforms. Windows and ARM for Linux are the most used compiled versions, but ESX and a 32bit old PE executable were observed over time. as well It uses an Elliptic Curve Algorithm (Montgomery Algorithm) to build the encryption keys. | No Attribution |
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
STOP, Djvu | STOP Djvu Ransomware it is a ransomware which encrypts user data through AES-256 and adds one of the dozen available extensions as marker to the encrypted file's name. It is not used to encrypt the entire file but only the first 5 MB. In its original version it was able to run offline and, in that case, it used a hard-coded key which could be extracted to decrypt files. | No Attribution |
{"Download URLs": ["http://zerit.top/dl/build2.exe", "http://fuyt.org/files/1/build3.exe"], "C2 url": "http://fuyt.org/test1/get.php", "Ransom note file": "_readme.txt", "Ransom note": "ATTENTION!\r\n\r\nDon't worry, you can return all your files!\r\nAll your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key.\r\nThe only method of recovering files is to purchase decrypt tool and unique key for you.\r\nThis software will decrypt all your encrypted files.\r\nWhat guarantees you have?\r\nYou can send one of your encrypted file from your PC and we decrypt it for free.\r\nBut we can decrypt only 1 file for free. File must not contain valuable information.\r\nYou can get and look video overview decrypt tool:\r\nhttps://we.tl/t-0S984cQ4B3\r\nPrice of private key and decrypt software is $980.\r\nDiscount 50% available if you contact us first 72 hours, that's price for you is $490.\r\nPlease note that you'll never restore your data without payment.\r\nCheck your e-mail \"Spam\" or \"Junk\" folder if you don't get answer more than 6 hours.\r\n\r\n\r\nTo get this software you need write on our e-mail:\r\nsupport@sysmail.ch\r\n\r\nReserve e-mail address to contact us:\r\nsupportsys@airmail.cc\r\n\r\nYour personal ID:\r\n0430JIjdm", "Ignore Files": ["ntuser.dat", "ntuser.dat.LOG1", "ntuser.dat.LOG2", "ntuser.pol", ".sys", ".ini", ".DLL", ".dll", ".blf", ".bat", ".lnk", ".regtrans-ms", "C:\\SystemID\\", "C:\\Users\\Default User\\", "C:\\Users\\Public\\", "C:\\Users\\All Users\\", "C:\\Users\\Default\\", "C:\\Documents and Settings\\", "C:\\ProgramData\\", "C:\\Recovery\\", "C:\\System Volume Information\\", "C:\\Users\\%username%\\AppData\\Roaming\\", "C:\\Users\\%username%\\AppData\\Local\\", "C:\\Windows\\", "C:\\PerfLogs\\", "C:\\ProgramData\\Microsoft\\", "C:\\ProgramData\\Package Cache\\", "C:\\Users\\Public\\", "C:\\$Recycle.Bin\\", "C:\\$WINDOWS.~BT\\", "C:\\dell\\", "C:\\Intel\\", "C:\\MSOCache\\", "C:\\Program Files\\", "C:\\Program Files (x86)\\", "C:\\Games\\", "C:\\Windows.old\\", "D:\\Users\\%username%\\AppData\\Roaming\\", "D:\\Users\\%username%\\AppData\\Local\\", "D:\\Windows\\", "D:\\PerfLogs\\", "D:\\ProgramData\\Desktop\\", "D:\\ProgramData\\Microsoft\\", "D:\\ProgramData\\Package Cache\\", "D:\\Users\\Public\\", "D:\\$Recycle.Bin\\", "D:\\$WINDOWS.~BT\\", "D:\\dell\\", "D:\\Intel\\", "D:\\MSOCache\\", "D:\\Program Files\\", "D:\\Program Files (x86)\\", "D:\\Games\\", "E:\\Users\\%username%\\AppData\\Roaming\\", "E:\\Users\\%username%\\AppData\\Local\\", "E:\\Windows\\", "E:\\PerfLogs\\", "E:\\ProgramData\\Desktop\\", "E:\\ProgramData\\Microsoft\\", "E:\\ProgramData\\Package Cache\\", "E:\\Users\\Public\\", "E:\\$Recycle.Bin\\", "E:\\$WINDOWS.~BT\\", "E:\\dell\\", "E:\\Intel\\", "E:\\MSOCache\\", "E:\\Program Files\\", "E:\\Program Files (x86)\\", "E:\\Games\\", "F:\\Users\\%username%\\AppData\\Roaming\\", "F:\\Users\\%username%\\AppData\\Local\\", "F:\\Windows\\", "F:\\PerfLogs\\", "F:\\ProgramData\\Desktop\\", "F:\\ProgramData\\Microsoft\\", "F:\\Users\\Public\\", "F:\\$Recycle.Bin\\", "F:\\$WINDOWS.~BT\\", "F:\\dell\\", "F:\\Intel\\"], "Public Key": "-----BEGIN PUBLIC KEY-----\\\\nMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAup7xLNZcQ4MZOSDTvBj6\\\\n7Shvgof4dZwAEFfM4Qn6EvfybMldng8cq4I8XKCGgbb4qleJAF7W2dmJHdLsc5du\\\\nn8FhrNPyozIM2b3b+aIVTP\\/lJE4DFAuzoGoNy\\/r7ZMMCouk+kV+0YBL\\/H9AD2HSx\\\\ntpYMoPkxkjt02aJScPkgYcIZKsj8LUimPmEy34gW\\/wIkqvbMYKXtNnao\\/qED9CFR\\\\n6UBM46bPFhHq3QpKPr6sdTg4kaQi\\/ZLueJvFVZ2raXOcEA1TunnUmTVfBP6Uboip\\\\nfrCky0fkvCyEHfX6+Sizo50\\/glCm7dKNyNlXe3DaKCDvma36A+5uUwe+8X2hPKdj\\\\nJQIDAQAB\\\\n-----END PUBLIC KEY-----"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
Windows_Trojan_RedLineStealer_ed346e4c | unknown | unknown |
| |
JoeSecurity_Djvu | Yara detected Djvu Ransomware | Joe Security | ||
Windows_Ransomware_Stop_1e8d48ff | unknown | unknown |
| |
JoeSecurity_Djvu | Yara detected Djvu Ransomware | Joe Security | ||
Windows_Ransomware_Stop_1e8d48ff | unknown | unknown |
| |
Click to see the 48 entries |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Djvu | Yara detected Djvu Ransomware | Joe Security | ||
Windows_Ransomware_Stop_1e8d48ff | unknown | unknown |
| |
MALWARE_Win_STOP | Detects STOP ransomware | ditekSHen |
| |
JoeSecurity_Djvu | Yara detected Djvu Ransomware | Joe Security | ||
Windows_Ransomware_Stop_1e8d48ff | unknown | unknown |
| |
Click to see the 55 entries |
System Summary |
---|
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split): |
⊘No Snort rule has matched
Timestamp: | 2024-07-26T02:26:22.323846+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 49754 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:25:44.784883+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 49745 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:25:37.335386+0200 |
SID: | 2803274 |
Source Port: | 49737 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:25:31.671279+0200 |
SID: | 2803274 |
Source Port: | 49731 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:25:27.824819+0200 |
SID: | 2838522 |
Source Port: | 58511 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:26:51.777027+0200 |
SID: | 2803274 |
Source Port: | 49755 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:26:25.320567+0200 |
SID: | 2036334 |
Source Port: | 49752 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:25:58.864819+0200 |
SID: | 2036334 |
Source Port: | 49739 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:27:18.274094+0200 |
SID: | 2036334 |
Source Port: | 49757 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:25:30.225875+0200 |
SID: | 2807908 |
Source Port: | 49730 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:26:20.670525+0200 |
SID: | 2036333 |
Source Port: | 49751 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:25:25.749385+0200 |
SID: | 2838522 |
Source Port: | 58511 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:25:59.240064+0200 |
SID: | 2036333 |
Source Port: | 49740 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:26:00.898471+0200 |
SID: | 2833438 |
Source Port: | 49743 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:26:53.768977+0200 |
SID: | 2833438 |
Source Port: | 49756 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:25:45.813837+0200 |
SID: | 2803274 |
Source Port: | 49747 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:25:39.451477+0200 |
SID: | 2803274 |
Source Port: | 49741 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:25:26.794766+0200 |
SID: | 2838522 |
Source Port: | 58511 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:26:27.337163+0200 |
SID: | 2833438 |
Source Port: | 49753 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:27:20.229285+0200 |
SID: | 2833438 |
Source Port: | 49758 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:25:53.501291+0200 |
SID: | 2803274 |
Source Port: | 49750 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
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AV Detection |
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