dcrat | c15015876eb1710d01b4b3e624c08018c8d5c01d005b9a483be5edb17aaa709e

Analysis

max time kernel
94s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-01-2025 12:15

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General

Target

DCRatBuild.exe
Size

1.5MB
MD5

c421510c6a46fcf9b10c90672df57670
SHA1

8bd03e0a5c08e1bdce3c89c5cff0c251010f6371
SHA256

c15015876eb1710d01b4b3e624c08018c8d5c01d005b9a483be5edb17aaa709e
SHA512

713bef3c610971b6b3d61ed492b93376fb2932acc328857d5558bdea519f6bebd386ed67744daa3a5d7f0ce635d9dcfb65930b902e6058855c721d165df16b11
SSDEEP

24576:U2G/nvxW3Ww0tk1HW292457Vudtb6tphnwTlD7jL79usS68sRclBkfKWVedo:UbA30k12w5Dbh+lu08LIKWH

Score

10^/10

dcrat discovery infostealer rat

Malware Config

Signatures

DcRat 54 IoCs

DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

rat infostealer dcrat

description	ioc	pid	Process
		3996	schtasks.exe
		4348	schtasks.exe
		4936	schtasks.exe
		2644	schtasks.exe
		3776	schtasks.exe
		4392	schtasks.exe
		4720	schtasks.exe
		1292	schtasks.exe
		4804	schtasks.exe
		4856	schtasks.exe
		5080	schtasks.exe
		2948	schtasks.exe
File created	C:\Windows\SKB\LanguageModels\eddb19405b7ce1		reviewhost.exe
		1676	schtasks.exe
		2212	schtasks.exe
		1428	schtasks.exe
		4592	schtasks.exe
		2312	schtasks.exe
		3008	schtasks.exe
		748	schtasks.exe
		4552	schtasks.exe
		4524	schtasks.exe
		2844	schtasks.exe
		3188	schtasks.exe
		4916	schtasks.exe
		2428	schtasks.exe
		4576	schtasks.exe
		1252	schtasks.exe
		2752	schtasks.exe
		4864	schtasks.exe
		528	schtasks.exe
		2372	schtasks.exe
		2060	schtasks.exe
		100	schtasks.exe
		1084	schtasks.exe
		688	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language		DCRatBuild.exe
		1580	schtasks.exe
File created	C:\Program Files\Windows Photo Viewer\69ddcba757bf72		reviewhost.exe
		4900	schtasks.exe
		4604	schtasks.exe
		2332	schtasks.exe
		1628	schtasks.exe
		4160	schtasks.exe
		2976	schtasks.exe
		1784	schtasks.exe
		2724	schtasks.exe
		952	schtasks.exe
		544	schtasks.exe
		1804	schtasks.exe
		824	schtasks.exe
		1044	schtasks.exe
		3508	schtasks.exe
		4568	schtasks.exe

Dcrat family
dcrat

Process spawned unexpected child process 51 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2428	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4592	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	100	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2312	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2948	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4900	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4604	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4576	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1580	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3008	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4936	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4864	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	952	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2844	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	544	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1628	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	748	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3996	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3776	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1804	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3508	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3188	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	528	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4160	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2332	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2644	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4392	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1428	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2752	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1084	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	824	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4720	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1676	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2372	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2976	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1044	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	688	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1784	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4524	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4568	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1292	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2212	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4804	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4916	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4856	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4348	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2060	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1252	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2724	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5080	1668	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4552	1668	schtasks.exe	89

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/files/0x0007000000023c88-10.dat	dcrat
behavioral2/memory/3324-13-0x0000000000D50000-0x0000000000E82000-memory.dmp	dcrat

Checks computer location settings 2 TTPs 4 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-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	DCRatBuild.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	reviewhost.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Control Panel\International\Geo\Nation	reviewhost.exe

Executes dropped EXE 3 IoCs

pid	Process
3324	reviewhost.exe
2908	reviewhost.exe
2544	TextInputHost.exe

Drops file in Program Files directory 15 IoCs

description	ioc	Process
File created	C:\Program Files\Windows Photo Viewer\smss.exe	reviewhost.exe
File created	C:\Program Files (x86)\Windows NT\TableTextService\en-US\taskhostw.exe	reviewhost.exe
File created	C:\Program Files\dotnet\swidtag\29c1c3cc0f7685	reviewhost.exe
File opened for modification	C:\Program Files (x86)\Windows NT\Accessories\en-US\upfc.exe	reviewhost.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\en-US\ea1d8f6d871115	reviewhost.exe
File created	C:\Program Files (x86)\MSBuild\RuntimeBroker.exe	reviewhost.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\en-US\upfc.exe	reviewhost.exe
File created	C:\Program Files\dotnet\swidtag\unsecapp.exe	reviewhost.exe
File created	C:\Program Files\Mozilla Firefox\uninstall\TextInputHost.exe	reviewhost.exe
File created	C:\Program Files (x86)\MSBuild\9e8d7a4ca61bd9	reviewhost.exe
File created	C:\Program Files\Mozilla Firefox\uninstall\22eafd247d37c3	reviewhost.exe
File created	C:\Program Files\Windows Photo Viewer\69ddcba757bf72	reviewhost.exe
File created	C:\Program Files\Crashpad\reports\TextInputHost.exe	reviewhost.exe
File created	C:\Program Files\Crashpad\reports\22eafd247d37c3	reviewhost.exe
File created	C:\Program Files (x86)\Windows NT\TableTextService\en-US\ea9f0e6c9e2dcd	reviewhost.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SKB\LanguageModels\backgroundTaskHost.exe	reviewhost.exe
File created	C:\Windows\SKB\LanguageModels\eddb19405b7ce1	reviewhost.exe
File created	C:\Windows\TAPI\wininit.exe	reviewhost.exe
File created	C:\Windows\TAPI\56085415360792	reviewhost.exe
File created	C:\Windows\SKB\5940a34987c991	reviewhost.exe
File created	C:\Windows\BitLockerDiscoveryVolumeContents\sysmon.exe	reviewhost.exe
File created	C:\Windows\BitLockerDiscoveryVolumeContents\121e5b5079f7c0	reviewhost.exe
File created	C:\Windows\SKB\LanguageModels\backgroundTaskHost.exe	reviewhost.exe
File created	C:\Windows\SKB\dllhost.exe	reviewhost.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 3 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	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	DCRatBuild.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	DCRatBuild.exe
Key created	\REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000_Classes\Local Settings	reviewhost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 51 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2332	schtasks.exe
688	schtasks.exe
2724	schtasks.exe
2948	schtasks.exe
4576	schtasks.exe
2844	schtasks.exe
3508	schtasks.exe
528	schtasks.exe
2752	schtasks.exe
1676	schtasks.exe
2976	schtasks.exe
100	schtasks.exe
3996	schtasks.exe
3776	schtasks.exe
1044	schtasks.exe
4524	schtasks.exe
4916	schtasks.exe
2428	schtasks.exe
4804	schtasks.exe
2060	schtasks.exe
1804	schtasks.exe
824	schtasks.exe
4720	schtasks.exe
5080	schtasks.exe
1580	schtasks.exe
544	schtasks.exe
748	schtasks.exe
4568	schtasks.exe
1252	schtasks.exe
4592	schtasks.exe
3188	schtasks.exe
1784	schtasks.exe
2644	schtasks.exe
2212	schtasks.exe
4856	schtasks.exe
4552	schtasks.exe
4604	schtasks.exe
4936	schtasks.exe
952	schtasks.exe
2372	schtasks.exe
1292	schtasks.exe
4348	schtasks.exe
4900	schtasks.exe
1628	schtasks.exe
4392	schtasks.exe
4160	schtasks.exe
1428	schtasks.exe
1084	schtasks.exe
2312	schtasks.exe
3008	schtasks.exe
4864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 40 IoCs

pid	Process
3324	reviewhost.exe
3324	reviewhost.exe
3324	reviewhost.exe
3324	reviewhost.exe
3324	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2908	reviewhost.exe
2544	TextInputHost.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3324	reviewhost.exe
Token: SeDebugPrivilege	2908	reviewhost.exe
Token: SeDebugPrivilege	2544	TextInputHost.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2836 wrote to memory of 2452	2836	DCRatBuild.exe	85
PID 2836 wrote to memory of 2452	2836	DCRatBuild.exe	85
PID 2836 wrote to memory of 2452	2836	DCRatBuild.exe	85
PID 2452 wrote to memory of 1136	2452	WScript.exe	86
PID 2452 wrote to memory of 1136	2452	WScript.exe	86
PID 2452 wrote to memory of 1136	2452	WScript.exe	86
PID 1136 wrote to memory of 3324	1136	cmd.exe	88
PID 1136 wrote to memory of 3324	1136	cmd.exe	88
PID 3324 wrote to memory of 2908	3324	reviewhost.exe	97
PID 3324 wrote to memory of 2908	3324	reviewhost.exe	97
PID 2908 wrote to memory of 4660	2908	reviewhost.exe	143
PID 2908 wrote to memory of 4660	2908	reviewhost.exe	143
PID 4660 wrote to memory of 4080	4660	cmd.exe	145
PID 4660 wrote to memory of 4080	4660	cmd.exe	145
PID 4660 wrote to memory of 2544	4660	cmd.exe	152
PID 4660 wrote to memory of 2544	4660	cmd.exe	152

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\DCRatBuild.exe
"C:\Users\Admin\AppData\Local\Temp\DCRatBuild.exe"
1⤵
- DcRat
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2836
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\chainReviewref\fxtCoJy7Ht1xOV11B7I3VXilRXeh8.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2452
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\chainReviewref\IyoGT.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:1136
  - - C:\chainReviewref\reviewhost.exe
      "C:\chainReviewref\reviewhost.exe"
      4⤵
      DcRat
      Checks computer location settings
      Executes dropped EXE
      Drops file in Program Files directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:3324
    - - C:\chainReviewref\reviewhost.exe
        
        "C:\chainReviewref\reviewhost.exe"
        5⤵
        Checks computer location settings
        Executes dropped EXE
        Drops file in Program Files directory
        Drops file in Windows directory
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2908
      - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\cfJI2Wl3KJ.bat"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:4660
        
        C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        7⤵
        
        PID:4080
        
        C:\Program Files\Crashpad\reports\TextInputHost.exe
        
        "C:\Program Files\Crashpad\reports\TextInputHost.exe"
        7⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2544

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Windows\SKB\LanguageModels\backgroundTaskHost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2428

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Windows\SKB\LanguageModels\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 6 /tr "'C:\Windows\SKB\LanguageModels\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 12 /tr "'C:\Program Files\Windows Photo Viewer\smss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2312

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2948

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Photo Viewer\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4900

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\upfc.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4604

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\upfc.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4576

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\upfc.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3008

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4864

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2844

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:544

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 11 /tr "'C:\Program Files\Crashpad\reports\TextInputHost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1628

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Program Files\Crashpad\reports\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 7 /tr "'C:\Program Files\Crashpad\reports\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\taskhostw.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\taskhostw.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1804

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\TableTextService\en-US\taskhostw.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3508

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\OfficeClickToRun.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3188

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Users\Default User\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:528

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 9 /tr "'C:\Users\Default User\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4160

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Downloads\SppExtComObj.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2332

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\Public\Downloads\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2644

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 12 /tr "'C:\Users\Public\Downloads\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4392

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\MSBuild\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1428

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\MSBuild\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1084

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\chainReviewref\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\chainReviewref\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4720

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\chainReviewref\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1676

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 7 /tr "'C:\Program Files\dotnet\swidtag\unsecapp.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2372

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files\dotnet\swidtag\unsecapp.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 10 /tr "'C:\Program Files\dotnet\swidtag\unsecapp.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1044

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Windows\TAPI\wininit.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:688

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Windows\TAPI\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Windows\TAPI\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4524

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Windows\SKB\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4568

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\SKB\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1292

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Windows\SKB\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2212

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 14 /tr "'C:\Program Files\Mozilla Firefox\uninstall\TextInputHost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4804

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\uninstall\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4916

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 11 /tr "'C:\Program Files\Mozilla Firefox\uninstall\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 5 /tr "'C:\Windows\BitLockerDiscoveryVolumeContents\sysmon.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4348

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Windows\BitLockerDiscoveryVolumeContents\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2060

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 10 /tr "'C:\Windows\BitLockerDiscoveryVolumeContents\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1252

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\Users\Public\AccountPictures\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2724

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Users\Public\AccountPictures\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\Users\Public\AccountPictures\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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\reviewhost.exe.log

Filesize
1KB

MD5
7800fca2323a4130444c572374a030f4

SHA1
40c9b8e0e5e7d72a5293f4010f2ccf21e637b4aa

SHA256
29f5645ac14353ac460858f52c856548f3aeb144b09eef672a6b4849bafe742e

SHA512
c8a7ad930b8c07007c7a67d8c32a2a4a401dcc34ab966e0e80901655fcbe1f5c95b72a195e6381b1de56c2c987eeab093d8e89891bec9e9684785c5d824b3554

Download Submit
C:\Users\Admin\AppData\Local\Temp\cfJI2Wl3KJ.bat

Filesize
216B

MD5
7b00bd3e47d45797006b60747a55ee48

SHA1
d0f70a99ba7cd399a9e00489135fd4ab74ee692b

SHA256
ab5a87c3994d0840e6bd8ab6a5f5b8d3dc849df2c02e3ea751682b4beb8335a0

SHA512
1126adedd4681126fdaf50e8f5c0539d1ee10a512ee9cb005cf687b5fba5a0b5655186581ca68fd4d77f638d9c9acfa7a75a89eea32b9be2aa7448f3453c0c57

Download Submit
C:\chainReviewref\IyoGT.bat

Filesize
34B

MD5
4cc5fe1e5caad477deaceb9ed2b5e7ab

SHA1
f893e423a3f0553f988fdbfa656e3da8dd207d13

SHA256
e0d987d0bf0342aafb7e849e08c5daa8520ad923876d78ec20a5404261c36903

SHA512
a3d455651c8f37ca4aee0f5e17e80ff109a6a1938c6632abdf72b0e0d0ee7a7a94d489f5da5b57a6882a194ec66eb9fa806c5601afd3f8bbdc59dc42d32e3e2b

Download Submit
C:\chainReviewref\fxtCoJy7Ht1xOV11B7I3VXilRXeh8.vbe

Filesize
196B

MD5
370ae5881ecdd2299a584eabca37cc6b

SHA1
411cbb2408957887c482e34e675fb6aa57ebc76e

SHA256
2f4965ecc489b5e6ab84a464781a6bd63ae869d1169a1667ab97a93abf5d9219

SHA512
baaa3406d40348b99b3967ef4683662a67b37462aa130ea730b458eccb3db9439beebe2d487cffd76e0ab2ceac6488fa76227912636eb5694d74300b75f08b07

Download Submit
C:\chainReviewref\reviewhost.exe

Filesize
1.2MB

MD5
3d9c2b0bbc617376e0a731da91f3d932

SHA1
9264fd8caf8f0371f94877905b18df988e573b1f

SHA256
4bbb48e394b53a7e9756fcb17908abc2752fe1c928280995f3f8b6edb981c8c4

SHA512
e4e47ad63857d9ea5a2b8129d7a5be289bc08607e37ac7c8c1f0dc2e1fdfede44ec584fed13041dd367ca976c8f47025c8f27a860c84adf86c934c3d6720be11

Download Submit
memory/3324-12-0x00007FFAF2303000-0x00007FFAF2305000-memory.dmp

Filesize
8KB

Download
memory/3324-13-0x0000000000D50000-0x0000000000E82000-memory.dmp

Filesize
1.2MB

Download
memory/3324-14-0x000000001BFB0000-0x000000001BFCC000-memory.dmp

Filesize
112KB

Download
memory/3324-15-0x000000001C140000-0x000000001C190000-memory.dmp

Filesize
320KB

Download
memory/3324-16-0x000000001BFD0000-0x000000001BFE6000-memory.dmp

Filesize
88KB

Download
memory/3324-17-0x0000000002FA0000-0x0000000002FAC000-memory.dmp

Filesize
48KB

Download