dcrat | 991953553326f76413a024a057251b539e0c3e335208128cec2d6a7c724a2c69

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3316742141-2240921845-2885234760-1000\Control Panel\International\Geo\Nation	BDC5.exe

Deletes itself 1 IoCs

pid	Process
3372	Process not Found

Executes dropped EXE 17 IoCs

pid	Process
4708	972F.exe
4424	A0F5.exe
3792	A0F5.tmp
1096	menu.exe
4460	menu.exe
1784	BDC5.exe
4960	288c47bbc1871b439df19ff4df68f076.exe
3084	InstallSetup4.exe
3308	BroomSetup.exe
2896	C826.exe
3124	FourthX.exe
2160	CFE8.exe
3504	CFE8.exe
4084	D884.exe
3784	nsj4FB3.tmp
1588	vueqjgslwynd.exe
4548	288c47bbc1871b439df19ff4df68f076.exe

Loads dropped DLL 8 IoCs

pid	Process
1540	regsvr32.exe
3792	A0F5.tmp
3084	InstallSetup4.exe
3504	CFE8.exe
3084	InstallSetup4.exe
3784	nsj4FB3.tmp
3784	nsj4FB3.tmp
3084	InstallSetup4.exe

Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

UPX packed file 6 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3504-169-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral2/memory/3504-173-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral2/memory/3504-174-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral2/memory/3504-166-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral2/memory/3504-165-0x0000000000400000-0x0000000000848000-memory.dmp	upx
behavioral2/memory/3504-162-0x0000000000400000-0x0000000000848000-memory.dmp	upx

Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs

Web Service

T1102

flow	ioc
98	pastebin.com
99	pastebin.com

Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs

Bootkits write to the MBR to gain persistence at a level below the operating system.

bootkit persistence

Bootkit

T1542.003

description	ioc	Process
File opened for modification	\??\PHYSICALDRIVE0	D884.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\system32\MRT.exe	FourthX.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2160 set thread context of 3504	2160	CFE8.exe	108

Launches sc.exe 4 IoCs

Sc.exe is a Windows utlilty to control services on the system.

pid	Process
3908	sc.exe
4880	sc.exe
1060	sc.exe
1652	sc.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2460	3784	WerFault.exe	117
2340	4960	WerFault.exe	102

Checks SCSI registry key(s) 3 TTPs 6 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

Peripheral Device Discovery

T1120

System Information Discovery

description	ioc	Process
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	C826.exe
Key queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	C826.exe
Key enumerated	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	C826.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI	98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	nsj4FB3.tmp
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	nsj4FB3.tmp

Creates scheduled task(s) 1 TTPs 2 IoCs

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

persistence

Scheduled Task/Job

pid	Process
4160	schtasks.exe
4608	schtasks.exe

Modifies data under HKEY_USERS 46 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\IntranetName = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ProxyBypass = "1"	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates	powershell.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\	powershell.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "0"	powershell.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1696	98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
1696	98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found
3372	Process not Found

Suspicious behavior: MapViewOfSection 2 IoCs

pid	Process
1696	98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
2896	C826.exe

Suspicious use of AdjustPrivilegeToken 41 IoCs

description	pid	Process
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeDebugPrivilege	2352	powershell.exe
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeDebugPrivilege	4524	powershell.exe
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeDebugPrivilege	4504	powershell.exe
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found
Token: SeDebugPrivilege	4960	288c47bbc1871b439df19ff4df68f076.exe
Token: SeImpersonatePrivilege	4960	288c47bbc1871b439df19ff4df68f076.exe
Token: SeShutdownPrivilege	3372	Process not Found
Token: SeCreatePagefilePrivilege	3372	Process not Found

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
3792	A0F5.tmp

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3308	BroomSetup.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3372 wrote to memory of 4708	3372	Process not Found	92
PID 3372 wrote to memory of 4708	3372	Process not Found	92
PID 3372 wrote to memory of 4708	3372	Process not Found	92
PID 3372 wrote to memory of 4940	3372	Process not Found	93
PID 3372 wrote to memory of 4940	3372	Process not Found	93
PID 4940 wrote to memory of 1540	4940	regsvr32.exe	94
PID 4940 wrote to memory of 1540	4940	regsvr32.exe	94
PID 4940 wrote to memory of 1540	4940	regsvr32.exe	94
PID 3372 wrote to memory of 4424	3372	Process not Found	95
PID 3372 wrote to memory of 4424	3372	Process not Found	95
PID 3372 wrote to memory of 4424	3372	Process not Found	95
PID 4424 wrote to memory of 3792	4424	A0F5.exe	96
PID 4424 wrote to memory of 3792	4424	A0F5.exe	96
PID 4424 wrote to memory of 3792	4424	A0F5.exe	96
PID 3792 wrote to memory of 1096	3792	A0F5.tmp	97
PID 3792 wrote to memory of 1096	3792	A0F5.tmp	97
PID 3792 wrote to memory of 1096	3792	A0F5.tmp	97
PID 3792 wrote to memory of 4460	3792	A0F5.tmp	98
PID 3792 wrote to memory of 4460	3792	A0F5.tmp	98
PID 3792 wrote to memory of 4460	3792	A0F5.tmp	98
PID 3372 wrote to memory of 1784	3372	Process not Found	101
PID 3372 wrote to memory of 1784	3372	Process not Found	101
PID 3372 wrote to memory of 1784	3372	Process not Found	101
PID 1784 wrote to memory of 4960	1784	BDC5.exe	102
PID 1784 wrote to memory of 4960	1784	BDC5.exe	102
PID 1784 wrote to memory of 4960	1784	BDC5.exe	102
PID 1784 wrote to memory of 3084	1784	BDC5.exe	103
PID 1784 wrote to memory of 3084	1784	BDC5.exe	103
PID 1784 wrote to memory of 3084	1784	BDC5.exe	103
PID 3084 wrote to memory of 3308	3084	InstallSetup4.exe	106
PID 3084 wrote to memory of 3308	3084	InstallSetup4.exe	106
PID 3084 wrote to memory of 3308	3084	InstallSetup4.exe	106
PID 1784 wrote to memory of 3124	1784	BDC5.exe	105
PID 1784 wrote to memory of 3124	1784	BDC5.exe	105
PID 3372 wrote to memory of 2896	3372	Process not Found	104
PID 3372 wrote to memory of 2896	3372	Process not Found	104
PID 3372 wrote to memory of 2896	3372	Process not Found	104
PID 3372 wrote to memory of 2160	3372	Process not Found	107
PID 3372 wrote to memory of 2160	3372	Process not Found	107
PID 3372 wrote to memory of 2160	3372	Process not Found	107
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 2160 wrote to memory of 3504	2160	CFE8.exe	108
PID 3308 wrote to memory of 1692	3308	BroomSetup.exe	111
PID 3308 wrote to memory of 1692	3308	BroomSetup.exe	111
PID 3308 wrote to memory of 1692	3308	BroomSetup.exe	111
PID 3372 wrote to memory of 4084	3372	Process not Found	110
PID 3372 wrote to memory of 4084	3372	Process not Found	110
PID 3372 wrote to memory of 4084	3372	Process not Found	110
PID 1692 wrote to memory of 2032	1692	cmd.exe	113
PID 1692 wrote to memory of 2032	1692	cmd.exe	113
PID 1692 wrote to memory of 2032	1692	cmd.exe	113
PID 1692 wrote to memory of 4160	1692	cmd.exe	114
PID 1692 wrote to memory of 4160	1692	cmd.exe	114
PID 1692 wrote to memory of 4160	1692	cmd.exe	114
PID 3084 wrote to memory of 3784	3084	InstallSetup4.exe	117
PID 3084 wrote to memory of 3784	3084	InstallSetup4.exe	117
PID 3084 wrote to memory of 3784	3084	InstallSetup4.exe	117
PID 4960 wrote to memory of 4524	4960	288c47bbc1871b439df19ff4df68f076.exe	118

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:\Users\Admin\AppData\Local\Temp\98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe
"C:\Users\Admin\AppData\Local\Temp\98c3d93eeb1c3139c530df4aa6270bb3df7c24148e71f195c929486136872eee.exe"
1⤵
- DcRat
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1696

C:\Users\Admin\AppData\Local\Temp\972F.exe
C:\Users\Admin\AppData\Local\Temp\972F.exe
1⤵
- Executes dropped EXE
PID:4708

C:\Windows\system32\regsvr32.exe
regsvr32 /s C:\Users\Admin\AppData\Local\Temp\9C22.dll
1⤵
- Suspicious use of WriteProcessMemory
PID:4940
- C:\Windows\SysWOW64\regsvr32.exe
  /s C:\Users\Admin\AppData\Local\Temp\9C22.dll
  2⤵
  - Loads dropped DLL
  PID:1540

C:\Users\Admin\AppData\Local\Temp\A0F5.exe
C:\Users\Admin\AppData\Local\Temp\A0F5.exe
1⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:4424
- C:\Users\Admin\AppData\Local\Temp\is-VT5MU.tmp\A0F5.tmp
  "C:\Users\Admin\AppData\Local\Temp\is-VT5MU.tmp\A0F5.tmp" /SL5="$50232,2376314,54272,C:\Users\Admin\AppData\Local\Temp\A0F5.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:3792
- - C:\Users\Admin\AppData\Local\Menu\menu.exe
    "C:\Users\Admin\AppData\Local\Menu\menu.exe" -i
    3⤵
    - Executes dropped EXE
    PID:1096
- - C:\Users\Admin\AppData\Local\Menu\menu.exe
    "C:\Users\Admin\AppData\Local\Menu\menu.exe" -s
    3⤵
    - Executes dropped EXE
    PID:4460

C:\Users\Admin\AppData\Local\Temp\BDC5.exe
C:\Users\Admin\AppData\Local\Temp\BDC5.exe
1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1784
- C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe
  "C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4960
- - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
    powershell -nologo -noprofile
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4524
- - C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe
    "C:\Users\Admin\AppData\Local\Temp\288c47bbc1871b439df19ff4df68f076.exe"
    3⤵
    - Executes dropped EXE
    PID:4548
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:3708
  - - C:\Windows\system32\cmd.exe
      C:\Windows\Sysnative\cmd.exe /C "netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes"
      4⤵
      PID:4664
    - - C:\Windows\system32\netsh.exe
        
        netsh advfirewall firewall add rule name="csrss" dir=in action=allow program="C:\Windows\rss\csrss.exe" enable=yes
        5⤵
        Modifies Windows Firewall
        
        PID:4976
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:2092
  - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -nologo -noprofile
      4⤵
      PID:1596
  - - C:\Windows\rss\csrss.exe
      C:\Windows\rss\csrss.exe
      4⤵
      PID:4692
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -nologo -noprofile
        5⤵
        
        PID:4456
    - - C:\Windows\SYSTEM32\schtasks.exe
        
        schtasks /CREATE /SC ONLOGON /RL HIGHEST /TR "C:\Windows\rss\csrss.exe" /TN csrss /F
        5⤵
        DcRat
        Creates scheduled task(s)
        
        PID:4608
    - - C:\Windows\SYSTEM32\schtasks.exe
        
        schtasks /delete /tn ScheduledUpdate /f
        5⤵
        
        PID:3932
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -nologo -noprofile
        5⤵
        
        PID:4048
    - - C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        
        powershell -nologo -noprofile
        5⤵
        
        PID:3712
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4960 -s 840
    3⤵
    - Program crash
    PID:2340
- C:\Users\Admin\AppData\Local\Temp\InstallSetup4.exe
  "C:\Users\Admin\AppData\Local\Temp\InstallSetup4.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:3084
- - C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe
    C:\Users\Admin\AppData\Local\Temp\BroomSetup.exe
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3308
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Roaming\Temp\Task.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1692
    - - C:\Windows\SysWOW64\chcp.com
        
        chcp 1251
        5⤵
        
        PID:2032
    - - C:\Windows\SysWOW64\schtasks.exe
        
        schtasks /create /tn "MalayamaraUpdate" /tr "'C:\Users\Admin\AppData\Local\Temp\Updater.exe'" /sc minute /mo 30 /F
        5⤵
        DcRat
        Creates scheduled task(s)
        
        PID:4160
- - C:\Users\Admin\AppData\Local\Temp\nsj4FB3.tmp
    C:\Users\Admin\AppData\Local\Temp\nsj4FB3.tmp
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Checks processor information in registry
    PID:3784
  - - C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3784 -s 2028
      4⤵
      Program crash
      PID:2460
- C:\Users\Admin\AppData\Local\Temp\FourthX.exe
  "C:\Users\Admin\AppData\Local\Temp\FourthX.exe"
  2⤵
  - Executes dropped EXE
  - Drops file in System32 directory
  PID:3124
- - C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
    C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:2352
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe delete "UTIXDCVF"
    3⤵
    - Launches sc.exe
    PID:3908
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    PID:4948
  - - C:\Windows\system32\wusa.exe
      wusa /uninstall /kb:890830 /quiet /norestart
      4⤵
      PID:792
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe create "UTIXDCVF" binpath= "C:\ProgramData\xcfonrchdkar\vueqjgslwynd.exe" start= "auto"
    3⤵
    - Launches sc.exe
    PID:4880
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe start "UTIXDCVF"
    3⤵
    - Launches sc.exe
    PID:1060
- - C:\Windows\system32\sc.exe
    C:\Windows\system32\sc.exe stop eventlog
    3⤵
    - Launches sc.exe
    PID:1652

C:\Users\Admin\AppData\Local\Temp\C826.exe
C:\Users\Admin\AppData\Local\Temp\C826.exe
1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2896

C:\Users\Admin\AppData\Local\Temp\CFE8.exe
C:\Users\Admin\AppData\Local\Temp\CFE8.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2160
- C:\Users\Admin\AppData\Local\Temp\CFE8.exe
  C:\Users\Admin\AppData\Local\Temp\CFE8.exe
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  PID:3504

C:\Users\Admin\AppData\Local\Temp\D884.exe
C:\Users\Admin\AppData\Local\Temp\D884.exe
1⤵
- Executes dropped EXE
- Writes to the Master Boot Record (MBR)
PID:4084

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3784 -ip 3784
1⤵
PID:4608

C:\ProgramData\xcfonrchdkar\vueqjgslwynd.exe
C:\ProgramData\xcfonrchdkar\vueqjgslwynd.exe
1⤵
- Executes dropped EXE
PID:1588
- C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe
  C:\Windows\system32\WindowsPowerShell\v1.0\powershell.exe Add-MpPreference -ExclusionPath @($env:UserProfile, $env:ProgramData) -ExclusionExtension '.exe' -Force
  2⤵
  - Modifies data under HKEY_USERS
  - Suspicious use of AdjustPrivilegeToken
  PID:4504
- C:\Windows\system32\conhost.exe
  C:\Windows\system32\conhost.exe
  2⤵
  PID:2356
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c wusa /uninstall /kb:890830 /quiet /norestart
  2⤵
  PID:1904
- - C:\Windows\system32\wusa.exe
    wusa /uninstall /kb:890830 /quiet /norestart
    3⤵
    PID:3440
- C:\Windows\explorer.exe
  explorer.exe
  2⤵
  PID:368

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4960 -ip 4960
1⤵
PID:1780

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

Persistence

Create or Modify System Process

T1543

Windows Service

T1543.003

Pre-OS Boot

T1542

Bootkit

T1542.003

Scheduled Task/Job

Privilege Escalation

Create or Modify System Process

T1543

Windows Service

T1543.003

Scheduled Task/Job

Defense Evasion

Impair Defenses

T1562

Disable or Modify System Firewall

T1562.004

Pre-OS Boot

T1542

Bootkit

T1542.003

Credential Access

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Peripheral Device Discovery

T1120

Query Registry

System Information Discovery