dcrat | 09d131517a12fb5f3b9079f920b9ff6328de6955812f592ba6ae31f4287d3617

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
19/01/2025, 12:08

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General

Target

DCRatBuild.exe
Size

1.1MB
MD5

e57a019d1bc08061c8d91d8f27c22325
SHA1

b1a3eadefec298a7f5dafe2d59ced44ff7d6abb3
SHA256

09d131517a12fb5f3b9079f920b9ff6328de6955812f592ba6ae31f4287d3617
SHA512

83a387cc2b0f33d4b5f6e8e94835f5658b85201e5c8015d83d70e6de3d8bad101643475ffe6e20883fd5a3b9b8249dde5ec0fdb4db082aeba7c0a9b9dc1c5b70
SSDEEP

24576:U2G/nvxW3Ww0tGN/1dmETXhEK5LH8wBeHr8N:UbA30GN/1FXhVLcw+rc

Score

10^/10

dcrat discovery infostealer rat

Malware Config

Signatures

DcRat 46 IoCs

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

rat infostealer dcrat

description	ioc	pid	Process
		2944	schtasks.exe
		1088	schtasks.exe
		596	schtasks.exe
		2436	schtasks.exe
		2824	schtasks.exe
File created	C:\Program Files\Uninstall Information\f3b6ecef712a24		blockServer.exe
		3052	schtasks.exe
		2392	schtasks.exe
		1716	schtasks.exe
		1140	schtasks.exe
		3056	schtasks.exe
		2620	schtasks.exe
		2592	schtasks.exe
		1884	schtasks.exe
		2244	schtasks.exe
		1540	schtasks.exe
		1456	schtasks.exe
		1864	schtasks.exe
		2468	schtasks.exe
		2992	schtasks.exe
		784	schtasks.exe
		2904	schtasks.exe
		1740	schtasks.exe
		2792	schtasks.exe
		2120	schtasks.exe
		1992	schtasks.exe
		3028	schtasks.exe
File created	C:\Program Files (x86)\Common Files\System\fr-FR\886983d96e3d3e		blockServer.exe
		1920	schtasks.exe
		2828	schtasks.exe
		1620	schtasks.exe
		316	schtasks.exe
		1648	schtasks.exe
		1580	schtasks.exe
		880	schtasks.exe
		1136	schtasks.exe
		2328	schtasks.exe
		2060	schtasks.exe
		3000	schtasks.exe
		920	schtasks.exe
		1712	schtasks.exe
		2268	schtasks.exe
		2776	schtasks.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\56085415360792		blockServer.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language		DCRatBuild.exe
		1228	schtasks.exe

Dcrat family
dcrat

Process spawned unexpected child process 42 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	596	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	880	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1136	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1740	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3056	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1920	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1456	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2060	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2792	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1580	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2592	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2620	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2828	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2824	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2904	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2944	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3052	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2436	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1864	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2992	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2392	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1716	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1088	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1228	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3000	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1620	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2120	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1992	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	920	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	784	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1712	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2468	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2268	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1140	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2328	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	316	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2244	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1884	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3028	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1540	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1648	2700	schtasks.exe	34
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2776	2700	schtasks.exe	34

DCRat payload 5 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x0008000000016d18-9.dat	dcrat
behavioral1/memory/2528-13-0x0000000000E20000-0x0000000000EF6000-memory.dmp	dcrat
behavioral1/memory/2004-32-0x0000000001250000-0x0000000001326000-memory.dmp	dcrat
behavioral1/memory/948-45-0x0000000000390000-0x0000000000466000-memory.dmp	dcrat
behavioral1/memory/2780-63-0x0000000000BD0000-0x0000000000CA6000-memory.dmp	dcrat

Executes dropped EXE 4 IoCs

pid	Process
2528	blockServer.exe
2004	blockServer.exe
948	blockServer.exe
2780	blockServer.exe

Loads dropped DLL 2 IoCs

pid	Process
2644	cmd.exe
2644	cmd.exe

Drops file in Program Files directory 9 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\wininit.exe	blockServer.exe
File created	C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\56085415360792	blockServer.exe
File created	C:\Program Files (x86)\Common Files\System\fr-FR\csrss.exe	blockServer.exe
File created	C:\Program Files (x86)\Common Files\System\fr-FR\886983d96e3d3e	blockServer.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\69ddcba757bf72	blockServer.exe
File created	C:\Program Files\Uninstall Information\spoolsv.exe	blockServer.exe
File created	C:\Program Files\Uninstall Information\f3b6ecef712a24	blockServer.exe
File created	C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\smss.exe	blockServer.exe
File opened for modification	C:\Program Files\Uninstall Information\spoolsv.exe	blockServer.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\Media\Raga\blockServer.exe	blockServer.exe
File created	C:\Windows\Media\Raga\6fbefe3dfd5bde	blockServer.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

Scheduled Task/Job: Scheduled Task 1 TTPs 42 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
920	schtasks.exe
784	schtasks.exe
1712	schtasks.exe
2776	schtasks.exe
1740	schtasks.exe
2792	schtasks.exe
1864	schtasks.exe
2392	schtasks.exe
1088	schtasks.exe
1228	schtasks.exe
316	schtasks.exe
1648	schtasks.exe
1136	schtasks.exe
1580	schtasks.exe
2620	schtasks.exe
2992	schtasks.exe
880	schtasks.exe
1716	schtasks.exe
1620	schtasks.exe
2268	schtasks.exe
2592	schtasks.exe
2904	schtasks.exe
2944	schtasks.exe
2436	schtasks.exe
3028	schtasks.exe
3052	schtasks.exe
3000	schtasks.exe
2468	schtasks.exe
1884	schtasks.exe
596	schtasks.exe
2244	schtasks.exe
1456	schtasks.exe
2828	schtasks.exe
2120	schtasks.exe
1992	schtasks.exe
1140	schtasks.exe
2328	schtasks.exe
3056	schtasks.exe
1920	schtasks.exe
2060	schtasks.exe
2824	schtasks.exe
1540	schtasks.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
2528	blockServer.exe
2004	blockServer.exe
948	blockServer.exe
948	blockServer.exe
948	blockServer.exe
2780	blockServer.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	2528	blockServer.exe
Token: SeDebugPrivilege	2004	blockServer.exe
Token: SeDebugPrivilege	948	blockServer.exe
Token: SeDebugPrivilege	2780	blockServer.exe

Suspicious use of WriteProcessMemory 39 IoCs

description	pid	Process	procid_target
PID 2768 wrote to memory of 2780	2768	DCRatBuild.exe	30
PID 2768 wrote to memory of 2780	2768	DCRatBuild.exe	30
PID 2768 wrote to memory of 2780	2768	DCRatBuild.exe	30
PID 2768 wrote to memory of 2780	2768	DCRatBuild.exe	30
PID 2780 wrote to memory of 2644	2780	WScript.exe	31
PID 2780 wrote to memory of 2644	2780	WScript.exe	31
PID 2780 wrote to memory of 2644	2780	WScript.exe	31
PID 2780 wrote to memory of 2644	2780	WScript.exe	31
PID 2644 wrote to memory of 2528	2644	cmd.exe	33
PID 2644 wrote to memory of 2528	2644	cmd.exe	33
PID 2644 wrote to memory of 2528	2644	cmd.exe	33
PID 2644 wrote to memory of 2528	2644	cmd.exe	33
PID 2528 wrote to memory of 1760	2528	blockServer.exe	53
PID 2528 wrote to memory of 1760	2528	blockServer.exe	53
PID 2528 wrote to memory of 1760	2528	blockServer.exe	53
PID 1760 wrote to memory of 1452	1760	cmd.exe	55
PID 1760 wrote to memory of 1452	1760	cmd.exe	55
PID 1760 wrote to memory of 1452	1760	cmd.exe	55
PID 1760 wrote to memory of 2004	1760	cmd.exe	56
PID 1760 wrote to memory of 2004	1760	cmd.exe	56
PID 1760 wrote to memory of 2004	1760	cmd.exe	56
PID 2004 wrote to memory of 3040	2004	blockServer.exe	66
PID 2004 wrote to memory of 3040	2004	blockServer.exe	66
PID 2004 wrote to memory of 3040	2004	blockServer.exe	66
PID 3040 wrote to memory of 1316	3040	cmd.exe	68
PID 3040 wrote to memory of 1316	3040	cmd.exe	68
PID 3040 wrote to memory of 1316	3040	cmd.exe	68
PID 3040 wrote to memory of 948	3040	cmd.exe	69
PID 3040 wrote to memory of 948	3040	cmd.exe	69
PID 3040 wrote to memory of 948	3040	cmd.exe	69
PID 948 wrote to memory of 2760	948	blockServer.exe	85
PID 948 wrote to memory of 2760	948	blockServer.exe	85
PID 948 wrote to memory of 2760	948	blockServer.exe	85
PID 2760 wrote to memory of 2692	2760	cmd.exe	87
PID 2760 wrote to memory of 2692	2760	cmd.exe	87
PID 2760 wrote to memory of 2692	2760	cmd.exe	87
PID 2760 wrote to memory of 2780	2760	cmd.exe	88
PID 2760 wrote to memory of 2780	2760	cmd.exe	88
PID 2760 wrote to memory of 2780	2760	cmd.exe	88

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
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2768
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\ComWebSessionbroker\JasNTlJ43oUjNOXJ6GLnSa5WXs.vbe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2780
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\ComWebSessionbroker\1ajAOSAhS.bat" "
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2644
  - - C:\ComWebSessionbroker\blockServer.exe
      "C:\ComWebSessionbroker\blockServer.exe"
      4⤵
      DcRat
      Executes dropped EXE
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2528
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\H0G7vj5bZc.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:1760
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:1452
      - C:\ComWebSessionbroker\blockServer.exe
        
        "C:\ComWebSessionbroker\blockServer.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        
        PID:2004
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\ar0OY31ljn.bat"
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:3040
        
        C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        8⤵
        
        PID:1316
        
        C:\ComWebSessionbroker\blockServer.exe
        
        "C:\ComWebSessionbroker\blockServer.exe"
        8⤵
        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:948
        
        C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\BwUTRvcgyk.bat"
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:2760
        
        C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        10⤵
        
        PID:2692
        
        C:\Windows\Media\Raga\blockServer.exe
        
        "C:\Windows\Media\Raga\blockServer.exe"
        10⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2780

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 6 /tr "'C:\Program Files\Uninstall Information\spoolsv.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Program Files\Uninstall Information\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:880

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 12 /tr "'C:\Program Files\Uninstall Information\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1136

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\wininit.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1740

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft Office\Document Themes 14\Theme Colors\wininit.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1920

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1456

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\csrss.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 "csrssc" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-00BA-0409-0000-0000000FF1CE}-C\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2792

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 14 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 12 /tr "'C:\ComWebSessionbroker\taskhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2828

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhost" /sc ONLOGON /tr "'C:\ComWebSessionbroker\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostt" /sc MINUTE /mo 14 /tr "'C:\ComWebSessionbroker\taskhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2904

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2944

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3052

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Common Files\System\fr-FR\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2436

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 9 /tr "'C:\Users\Public\Favorites\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1864

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\Public\Favorites\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2992

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 14 /tr "'C:\Users\Public\Favorites\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2392

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1088

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-0044-0409-0000-0000000FF1CE}-C\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1228

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3000

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 10 /tr "'C:\Recovery\20e7eb62-69f6-11ef-be0c-62cb582c238c\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2120

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1992

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:920

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 10 /tr "'C:\MSOCache\All Users\{90140000-00A1-0409-0000-0000000FF1CE}-C\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\ComWebSessionbroker\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1712

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\ComWebSessionbroker\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2468

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\ComWebSessionbroker\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2268

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "blockServerb" /sc MINUTE /mo 6 /tr "'C:\Windows\Media\Raga\blockServer.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1140

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "blockServer" /sc ONLOGON /tr "'C:\Windows\Media\Raga\blockServer.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "blockServerb" /sc MINUTE /mo 14 /tr "'C:\Windows\Media\Raga\blockServer.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:316

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\smss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2244

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1884

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft Visual Studio 8\Common7\Packages\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\System.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1540

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1648

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 8 /tr "'C:\MSOCache\All Users\{90140000-0115-0409-0000-0000000FF1CE}-C\1033\System.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2776

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:\ComWebSessionbroker\1ajAOSAhS.bat

Filesize
40B

MD5
d3d25823ce836fca7f72fe2538d7920d

SHA1
71738f97c44dc40a6668e636c54c2afd9ede370f

SHA256
60b5d65e7af9bf924503bc1b62c30381b859504c08cc23316dba55107bfc739d

SHA512
8528a66f0e71446dd42300c39a2e52d78f34afcad2fdf477311074322b1628d192533996864e11d27f702e333cc37468b32f5346109159092206bf68d45e73b7

Download Submit
C:\ComWebSessionbroker\JasNTlJ43oUjNOXJ6GLnSa5WXs.vbe

Filesize
205B

MD5
b7f0ab71e54ffa7c8748b76dc631cd43

SHA1
769a64d7483fa72d61a1d15f10c1b1401fae10f3

SHA256
871d73883a509ab02bf2dda5098434a5ac7430b0ef65c6400190e4171f4b540c

SHA512
6edbe941b8325a7e7dc7cf453044226a8dcf7258f8d526822efe028a56daf74b7fb90ebaf4ede855367872006e106922d280df9cbcb2fd4bdfead21bb0bfd267

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

Filesize
202B

MD5
7aaf25448b4c6d253d286a8ac6f925dc

SHA1
256a42fc730dee0e3c7b3a347520f2c92d7c2479

SHA256
85d0e391418985c18d3f6fc25aa839017b73b02b2c1dc84fbda69b0d80326155

SHA512
7cd916a0916fbf3d3834a86c93c1304ac13c4f37295aa2475b0618ded7f70985bc8cfd9363dace377bf5fe8b1d552429eb842a402628e8c38439fa9fe42bed15

Download Submit
C:\Users\Admin\AppData\Local\Temp\H0G7vj5bZc.bat

Filesize
203B

MD5
2a90b9199cafe8d5db1398b244cbe45b

SHA1
c56400e0ff085f72558c41fd65af4eb3ea9da840

SHA256
129fc8c4f5b557aa78515035994f88fc280efeb4df787a5db0159d1c81114896

SHA512
3c48429e3feed705baf1d72a3ce2e2296ff21bcbea5b7c2cd42c1f5acb51523bdb65b1ecc4743900afbf70f9632d252c47dab68eef86da409acf7933cedf2c4e

Download Submit
C:\Users\Admin\AppData\Local\Temp\ar0OY31ljn.bat

Filesize
203B

MD5
3832c38fd2ae294cfdb1cf65cca24755

SHA1
3ea96b1e1fc2680f0137052762d80ff3a23a98bb

SHA256
31c6887b7242a78cf48e7dca3065afdf1d0b852031954dee83b687a6927a7dfc

SHA512
ba01f438341cf65fbc74b6584cc9d89b042f1870772ecbe0d557a0818dc5b584ae71d53e7032c778b64985f57b8314881f695cc803c99941c26fa1faae538b6e

Download Submit
\ComWebSessionbroker\blockServer.exe

Filesize
829KB

MD5
579731eb1a659552a99fcbf80d358779

SHA1
e96a8cb05ae216cd003a298fe559663a57d21b31

SHA256
fd4d52c4ef4fd4378086c952f612b749279ed96f50ad66a815077196e8686585

SHA512
f84002afbd1cdb377aead468ea3713177bf3abbaf15155cf412e0eb7247e30d964f0eb370ef257675d41bf0e2bc5eeebe975392ebca327f874afb147f5a57647

Download Submit
memory/948-45-0x0000000000390000-0x0000000000466000-memory.dmp

Filesize
856KB

Download
memory/2004-32-0x0000000001250000-0x0000000001326000-memory.dmp

Filesize
856KB

Download
memory/2528-13-0x0000000000E20000-0x0000000000EF6000-memory.dmp

Filesize
856KB

Download
memory/2780-63-0x0000000000BD0000-0x0000000000CA6000-memory.dmp

Filesize
856KB

Download