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Windows
Analysis Report
DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe
Overview
General Information
Detection
Babuk, Bdaejec, Djvu, Zorab
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Babuk Ransomware
Yara detected Bdaejec
Yara detected Djvu Ransomware
Yara detected Zorab 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
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
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
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
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
Sigma detected: Use Short Name Path in Command Line
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
- DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 3956 cmdline:
"C:\Users\ user\Deskt op\DE1BEC1 1380A046D3 5656CB592A 399445A6DE B5934A2892 DCD5DAC3D0 F61C55E.ex e" MD5: 3A11D47AD1A6093DDFE84E48E77554F3) - HhVfIB.exe (PID: 5968 cmdline:
C:\Users\u ser~1\AppD ata\Local\ Temp\HhVfI B.exe MD5: F7D21DE5C4E81341ECCD280C11DDCC9A) - WerFault.exe (PID: 1464 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 5 968 -s 157 2 MD5: C31336C1EFC2CCB44B4326EA793040F2) - DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 3712 cmdline:
"C:\Users\ user\Deskt op\DE1BEC1 1380A046D3 5656CB592A 399445A6DE B5934A2892 DCD5DAC3D0 F61C55E.ex e" MD5: 3A11D47AD1A6093DDFE84E48E77554F3) - icacls.exe (PID: 6692 cmdline:
icacls "C: \Users\use r\AppData\ Local\f093 f78b-5d1b- 4ff3-a44b- 0f8758a1af 15" /deny *S-1-1-0:( OI)(CI)(DE ,DC) MD5: 2E49585E4E08565F52090B144062F97E) - DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 6372 cmdline:
"C:\Users\ user\Deskt op\DE1BEC1 1380A046D3 5656CB592A 399445A6DE B5934A2892 DCD5DAC3D0 F61C55E.ex e" --Admin IsNotAuto Start IsNo tTask MD5: 3A11D47AD1A6093DDFE84E48E77554F3) - DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 3804 cmdline:
"C:\Users\ user\Deskt op\DE1BEC1 1380A046D3 5656CB592A 399445A6DE B5934A2892 DCD5DAC3D0 F61C55E.ex e" --Admin IsNotAuto Start IsNo tTask MD5: 3A11D47AD1A6093DDFE84E48E77554F3)
- DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 2192 cmdline:
C:\Users\u ser\AppDat a\Local\f0 93f78b-5d1 b-4ff3-a44 b-0f8758a1 af15\DE1BE C11380A046 D35656CB59 2A399445A6 DEB5934A28 92DCD5DAC3 D0F61C55E. exe --Task MD5: 3A11D47AD1A6093DDFE84E48E77554F3) - DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 7336 cmdline:
C:\Users\u ser\AppDat a\Local\f0 93f78b-5d1 b-4ff3-a44 b-0f8758a1 af15\DE1BE C11380A046 D35656CB59 2A399445A6 DEB5934A28 92DCD5DAC3 D0F61C55E. exe --Task MD5: 3A11D47AD1A6093DDFE84E48E77554F3)
- DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 7540 cmdline:
"C:\Users\ user\AppDa ta\Local\f 093f78b-5d 1b-4ff3-a4 4b-0f8758a 1af15\DE1B EC11380A04 6D35656CB5 92A399445A 6DEB5934A2 892DCD5DAC 3D0F61C55E .exe" --Au toStart MD5: 3A11D47AD1A6093DDFE84E48E77554F3) - DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 7568 cmdline:
"C:\Users\ user\AppDa ta\Local\f 093f78b-5d 1b-4ff3-a4 4b-0f8758a 1af15\DE1B EC11380A04 6D35656CB5 92A399445A 6DEB5934A2 892DCD5DAC 3D0F61C55E .exe" --Au toStart MD5: 3A11D47AD1A6093DDFE84E48E77554F3)
- DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 7728 cmdline:
C:\Users\u ser\AppDat a\Local\f0 93f78b-5d1 b-4ff3-a44 b-0f8758a1 af15\DE1BE C11380A046 D35656CB59 2A399445A6 DEB5934A28 92DCD5DAC3 D0F61C55E. exe --Task MD5: 3A11D47AD1A6093DDFE84E48E77554F3) - DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 7756 cmdline:
C:\Users\u ser\AppDat a\Local\f0 93f78b-5d1 b-4ff3-a44 b-0f8758a1 af15\DE1BE C11380A046 D35656CB59 2A399445A6 DEB5934A28 92DCD5DAC3 D0F61C55E. exe --Task MD5: 3A11D47AD1A6093DDFE84E48E77554F3)
- DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 7796 cmdline:
"C:\Users\ user\AppDa ta\Local\f 093f78b-5d 1b-4ff3-a4 4b-0f8758a 1af15\DE1B EC11380A04 6D35656CB5 92A399445A 6DEB5934A2 892DCD5DAC 3D0F61C55E .exe" --Au toStart MD5: 3A11D47AD1A6093DDFE84E48E77554F3) - DE1BEC11380A046D35656CB592A399445A6DEB5934A2892DCD5DAC3D0F61C55E.exe (PID: 7820 cmdline:
"C:\Users\ user\AppDa ta\Local\f 093f78b-5d 1b-4ff3-a4 4b-0f8758a 1af15\DE1B EC11380A04 6D35656CB5 92A399445A 6DEB5934A2 892DCD5DAC 3D0F61C55E .exe" --Au toStart MD5: 3A11D47AD1A6093DDFE84E48E77554F3)
- 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 |
| |
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 | ||
Click to see the 60 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 67 entries |
System Summary |
---|
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split): |
Source: | Author: frack113, Nasreddine Bencherchali: |
⊘No Snort rule has matched
Timestamp: | 2024-07-26T02:08:16.940420+0200 |
SID: | 2838522 |
Source Port: | 63964 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:09:13.452169+0200 |
SID: | 2833438 |
Source Port: | 49731 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:08:40.407516+0200 |
SID: | 2803274 |
Source Port: | 49725 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:08:20.342806+0200 |
SID: | 2807908 |
Source Port: | 49703 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:08:34.362546+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 49717 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:10:03.175249+0200 |
SID: | 2803274 |
Source Port: | 49736 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:08:32.511346+0200 |
SID: | 2803274 |
Source Port: | 49715 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:09:12.056798+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 49732 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:09:36.695274+0200 |
SID: | 2803274 |
Source Port: | 49734 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:08:40.821957+0200 |
SID: | 2803274 |
Source Port: | 49726 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:10:06.347356+0200 |
SID: | 2833438 |
Source Port: | 49737 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:09:39.873831+0200 |
SID: | 2833438 |
Source Port: | 49735 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:08:47.048697+0200 |
SID: | 2833438 |
Source Port: | 49713 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:08:43.842682+0200 |
SID: | 2036333 |
Source Port: | 49706 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:08:43.883544+0200 |
SID: | 2036334 |
Source Port: | 49705 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:08:22.237053+0200 |
SID: | 2803274 |
Source Port: | 49704 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:08:17.933192+0200 |
SID: | 2838522 |
Source Port: | 63964 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:08:15.901932+0200 |
SID: | 2838522 |
Source Port: | 63964 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-26T02:08:25.591095+0200 |
SID: | 2803274 |
Source Port: | 49709 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:08:18.857235+0200 |
SID: | 2803274 |
Source Port: | 49702 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-26T02:09:05.270645+0200 |
SID: | 2036333 |
Source Port: | 49729 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-26T02:09:10.250094+0200 |
SID: | 2036334 |
Source Port: | 49730 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
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Show All Signature Results
AV Detection |
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Source: | Malware Configuration Extractor: |