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Windows
Analysis Report
FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.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 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
PE file has a writeable .text section
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
Dropped file seen in connection with other malware
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
Sample execution stops while process was sleeping (likely an evasion)
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
- FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 7328 cmdline:
"C:\Users\ user\Deskt op\FC0D639 C0918938BD F00FA6F1DC 4BC03002C3 28428FC34A 34B050AEE8 E3BEB8C.ex e" MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1) - lgYdZ.exe (PID: 7344 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\lgYdZ.e xe MD5: F7D21DE5C4E81341ECCD280C11DDCC9A) - WerFault.exe (PID: 7792 cmdline:
C:\Windows \SysWOW64\ WerFault.e xe -u -p 7 344 -s 160 4 MD5: C31336C1EFC2CCB44B4326EA793040F2) - FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 7552 cmdline:
"C:\Users\ user\Deskt op\FC0D639 C0918938BD F00FA6F1DC 4BC03002C3 28428FC34A 34B050AEE8 E3BEB8C.ex e" MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1) - icacls.exe (PID: 7604 cmdline:
icacls "C: \Users\use r\AppData\ Local\3fa8 49bb-86f2- 41d3-b370- e843754750 c9" /deny *S-1-1-0:( OI)(CI)(DE ,DC) MD5: 2E49585E4E08565F52090B144062F97E) - FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 7636 cmdline:
"C:\Users\ user\Deskt op\FC0D639 C0918938BD F00FA6F1DC 4BC03002C3 28428FC34A 34B050AEE8 E3BEB8C.ex e" --Admin IsNotAuto Start IsNo tTask MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1) - FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 7852 cmdline:
"C:\Users\ user\Deskt op\FC0D639 C0918938BD F00FA6F1DC 4BC03002C3 28428FC34A 34B050AEE8 E3BEB8C.ex e" --Admin IsNotAuto Start IsNo tTask MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1)
- FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 7664 cmdline:
C:\Users\u ser\AppDat a\Local\3f a849bb-86f 2-41d3-b37 0-e8437547 50c9\FC0D6 39C0918938 BDF00FA6F1 DC4BC03002 C328428FC3 4A34B050AE E8E3BEB8C. exe --Task MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1) - FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 7996 cmdline:
C:\Users\u ser\AppDat a\Local\3f a849bb-86f 2-41d3-b37 0-e8437547 50c9\FC0D6 39C0918938 BDF00FA6F1 DC4BC03002 C328428FC3 4A34B050AE E8E3BEB8C. exe --Task MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1)
- FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 8156 cmdline:
"C:\Users\ user\AppDa ta\Local\3 fa849bb-86 f2-41d3-b3 70-e843754 750c9\FC0D 639C091893 8BDF00FA6F 1DC4BC0300 2C328428FC 34A34B050A EE8E3BEB8C .exe" --Au toStart MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1) - FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 4912 cmdline:
"C:\Users\ user\AppDa ta\Local\3 fa849bb-86 f2-41d3-b3 70-e843754 750c9\FC0D 639C091893 8BDF00FA6F 1DC4BC0300 2C328428FC 34A34B050A EE8E3BEB8C .exe" --Au toStart MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1)
- FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 7224 cmdline:
"C:\Users\ user\AppDa ta\Local\3 fa849bb-86 f2-41d3-b3 70-e843754 750c9\FC0D 639C091893 8BDF00FA6F 1DC4BC0300 2C328428FC 34A34B050A EE8E3BEB8C .exe" --Au toStart MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1) - lgYdZ.exe (PID: 6644 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\lgYdZ.e xe MD5: F7D21DE5C4E81341ECCD280C11DDCC9A) - cmd.exe (PID: 1796 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\User s\user\App Data\Local \Temp\401a 29f4.bat" " MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 1868 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - FC0D639C0918938BDF00FA6F1DC4BC03002C328428FC34A34B050AEE8E3BEB8C.exe (PID: 1152 cmdline:
"C:\Users\ user\AppDa ta\Local\3 fa849bb-86 f2-41d3-b3 70-e843754 750c9\FC0D 639C091893 8BDF00FA6F 1DC4BC0300 2C328428FC 34A34B050A EE8E3BEB8C .exe" --Au toStart MD5: 801A00A6C89DCB9B7839A53ECCFC8FC1)
- 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 |
---|---|---|---|---|
JoeSecurity_Djvu | Yara detected Djvu Ransomware | Joe Security | ||
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 |
| |
Click to see the 50 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: | 2024-07-25T02:12:06.574787+0200 |
SID: | 2807908 |
Source Port: | 49725 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:11:54.254099+0200 |
SID: | 2028371 |
Source Port: | 49720 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Unknown Traffic |
Timestamp: | 2024-07-25T02:11:37.423187+0200 |
SID: | 2807908 |
Source Port: | 49705 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:12:13.092253+0200 |
SID: | 2807908 |
Source Port: | 53483 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:11:51.262475+0200 |
SID: | 2803274 |
Source Port: | 49714 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-25T02:11:41.374990+0200 |
SID: | 2803274 |
Source Port: | 49706 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-25T02:12:39.147645+0200 |
SID: | 2833438 |
Source Port: | 53486 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:12:36.241550+0200 |
SID: | 2036334 |
Source Port: | 53484 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:12:10.364407+0200 |
SID: | 2807908 |
Source Port: | 53479 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:11:53.279343+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 49718 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:12:16.267822+0200 |
SID: | 2807908 |
Source Port: | 53485 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:13:02.686225+0200 |
SID: | 2803274 |
Source Port: | 53487 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-25T02:13:32.021383+0200 |
SID: | 2833438 |
Source Port: | 53490 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:12:10.174521+0200 |
SID: | 2036333 |
Source Port: | 49712 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:12:12.881061+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 53482 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:13:29.191557+0200 |
SID: | 2036334 |
Source Port: | 53489 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:11:58.985071+0200 |
SID: | 2803274 |
Source Port: | 49722 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-25T02:12:03.344905+0200 |
SID: | 2807908 |
Source Port: | 49723 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:12:12.720887+0200 |
SID: | 2833438 |
Source Port: | 49716 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:11:48.282804+0200 |
SID: | 2803274 |
Source Port: | 49709 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-25T02:11:40.822754+0200 |
SID: | 2807908 |
Source Port: | 49707 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:13:05.596527+0200 |
SID: | 2833438 |
Source Port: | 53488 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:12:07.082056+0200 |
SID: | 2803274 |
Source Port: | 49724 |
Destination Port: | 443 |
Protocol: | TCP |
Classtype: | Potentially Bad Traffic |
Timestamp: | 2024-07-25T02:12:11.899765+0200 |
SID: | 2022930 |
Source Port: | 443 |
Destination Port: | 53481 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:11:43.584244+0200 |
SID: | 2807908 |
Source Port: | 49708 |
Destination Port: | 799 |
Protocol: | TCP |
Classtype: | Malware Command and Control Activity Detected |
Timestamp: | 2024-07-25T02:12:09.735665+0200 |
SID: | 2036334 |
Source Port: | 49711 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:12:31.571326+0200 |
SID: | 2036333 |
Source Port: | 53480 |
Destination Port: | 80 |
Protocol: | TCP |
Classtype: | A Network Trojan was detected |
Timestamp: | 2024-07-25T02:11:36.882980+0200 |
SID: | 2838522 |
Source Port: | 53469 |
Destination Port: | 53 |
Protocol: | UDP |
Classtype: | Malware Command and Control Activity Detected |
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