dcrat | 165b1c1b49febea0873894eeb6c808170943d02da8cb7fc3fffa636528b339b2

Analysis

user interaction
yes
max time kernel
149s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
24/04/2026, 22:38

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
DCRatBuild.exe
Size 1.1MB
Sample260424-2kr2maew3p
SHA256 165b1c1b49febea0873894eeb6c808170943d02da8cb7fc3fffa636528b339b2
MD5 5aa3659d8379d7df25723ec91b4c4948
SHA1 b50864141b0c726b0b4b805d2807a641c16ccf17
SHA512 f08e14eaaa724c5bc76ba2855e40fca85c03fb1f017e44f38e981f7e3c8411dfcf6554a627deced2e3000992d2040756c63d20ba8963f54fb0672a241cda8998
SSDEEP 24576:U2G/nvxW3Ww0t4bzRah02RQ530uBDduu7bcEry:UbA304bN+ROCuL+
TLSH
T16B4549017E448A12F0191633C2FF464847B9AC516AA6E32FBEB9376D55123E37D0DACB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

discovery execution dcrat infostealer persistence rat

Malware Config

Signatures

Family: DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
rat infostealer dcrat

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x000200000002315e-11.dat	dcrat
behavioral1/memory/564-12-0x00000000001F0000-0x00000000002C6000-memory.dmp	dcrat

Process spawned unexpected child process 48 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	3936	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3292	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3144	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3924	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5320	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4912	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5200	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4848	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	6136	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4408	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2748	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5284	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3400	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5844	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5024	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3996	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2528	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1688	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5592	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5228	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5060	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3864	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3876	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3872	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4996	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4012	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3860	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4856	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3780	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5660	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2880	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1572	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4500	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1772	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5548	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3516	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2044	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5168	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3648	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1172	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5912	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1384	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2664	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2504	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5240	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2568	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4200	5644	schtasks.exe	89
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4216	5644	schtasks.exe	89

Checks computer location settings 2 TTPs 3 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-1-5-21-1609746302-1884177235-1125644204-1000\Control Panel\International\Geo\Nation	DCRatBuild.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Control Panel\International\Geo\Nation	msChain.exe

Executes dropped EXE 17 IoCs

pid	Process
564	msChain.exe
1864	winlogon.exe
6060	upfc.exe
2124	RuntimeBroker.exe
2892	dllhost.exe
3896	msChain.exe
60	SppExtComObj.exe
3212	SppExtComObj.exe
3756	dllhost.exe
5280	cmd.exe
2028	services.exe
4700	smss.exe
4888	OfficeClickToRun.exe
3836	backgroundTaskHost.exe
4080	conhost.exe
1500	WUDFHost.exe
3476	upfc.exe

Drops file in Program Files directory 12 IoCs

description	ioc	Process
File created	C:\Program Files\edge_BITS_4476_692318894\winlogon.exe	msChain.exe
File created	C:\Program Files\Common Files\microsoft shared\TextConv\en-US\088424020bedd6	msChain.exe
File created	C:\Program Files (x86)\Windows NT\WUDFHost.exe	msChain.exe
File created	C:\Program Files (x86)\Windows NT\480b7989c529f6	msChain.exe
File created	C:\Program Files\edge_BITS_4256_1511981484\upfc.exe	msChain.exe
File created	C:\Program Files\edge_BITS_4256_1511981484\ea1d8f6d871115	msChain.exe
File created	C:\Program Files\edge_BITS_4476_692318894\cc11b995f2a76d	msChain.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\SppExtComObj.exe	msChain.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\e1ef82546f0b02	msChain.exe
File created	C:\Program Files\Microsoft Office\Office16\OfficeClickToRun.exe	msChain.exe
File created	C:\Program Files\Microsoft Office\Office16\e6c9b481da804f	msChain.exe
File created	C:\Program Files\Common Files\microsoft shared\TextConv\en-US\conhost.exe	msChain.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\Offline Web Pages\9e8d7a4ca61bd9	msChain.exe
File created	C:\Windows\Offline Web Pages\backgroundTaskHost.exe	msChain.exe
File created	C:\Windows\Offline Web Pages\eddb19405b7ce1	msChain.exe
File created	C:\Windows\Offline Web Pages\RuntimeBroker.exe	msChain.exe
File opened for modification	C:\Windows\Offline Web Pages\RuntimeBroker.exe	msChain.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	DCRatBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000_Classes\Local Settings	DCRatBuild.exe
Key created	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000_Classes\Local Settings	msChain.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 48 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3780	schtasks.exe
5548	schtasks.exe
2504	schtasks.exe
3924	schtasks.exe
4848	schtasks.exe
5660	schtasks.exe
5320	schtasks.exe
5200	schtasks.exe
2748	schtasks.exe
5060	schtasks.exe
4012	schtasks.exe
4500	schtasks.exe
5912	schtasks.exe
2568	schtasks.exe
3292	schtasks.exe
3996	schtasks.exe
1384	schtasks.exe
5240	schtasks.exe
4200	schtasks.exe
3936	schtasks.exe
4912	schtasks.exe
2528	schtasks.exe
5592	schtasks.exe
4996	schtasks.exe
3860	schtasks.exe
2044	schtasks.exe
4408	schtasks.exe
5024	schtasks.exe
1688	schtasks.exe
1572	schtasks.exe
5168	schtasks.exe
5844	schtasks.exe
3872	schtasks.exe
2880	schtasks.exe
1772	schtasks.exe
3648	schtasks.exe
1172	schtasks.exe
2664	schtasks.exe
4216	schtasks.exe
6136	schtasks.exe
5228	schtasks.exe
3876	schtasks.exe
4856	schtasks.exe
3516	schtasks.exe
3144	schtasks.exe
5284	schtasks.exe
3400	schtasks.exe
3864	schtasks.exe

Suspicious behavior: EnumeratesProcesses 7 IoCs

pid	Process
564	msChain.exe
564	msChain.exe
564	msChain.exe
564	msChain.exe
564	msChain.exe
564	msChain.exe
564	msChain.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	564	msChain.exe
Token: SeDebugPrivilege	1864	winlogon.exe
Token: SeDebugPrivilege	6060	upfc.exe
Token: SeDebugPrivilege	2124	RuntimeBroker.exe
Token: SeDebugPrivilege	2892	dllhost.exe
Token: SeDebugPrivilege	3756	dllhost.exe
Token: SeDebugPrivilege	3896	msChain.exe
Token: SeDebugPrivilege	3212	SppExtComObj.exe
Token: SeDebugPrivilege	60	SppExtComObj.exe
Token: SeDebugPrivilege	5280	cmd.exe
Token: SeDebugPrivilege	2028	services.exe
Token: SeDebugPrivilege	4700	smss.exe
Token: SeDebugPrivilege	4888	OfficeClickToRun.exe
Token: SeDebugPrivilege	3836	backgroundTaskHost.exe
Token: SeDebugPrivilege	4080	conhost.exe
Token: SeDebugPrivilege	1500	WUDFHost.exe
Token: SeDebugPrivilege	3476	upfc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4724 wrote to memory of 4616	4724	DCRatBuild.exe	84
PID 4616 wrote to memory of 5952	4616	WScript.exe	86
PID 5952 wrote to memory of 564	5952	cmd.exe	88
PID 564 wrote to memory of 3776	564	msChain.exe	160
PID 3776 wrote to memory of 5856	3776	cmd.exe	162
PID 3776 wrote to memory of 3476	3776	cmd.exe	171

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⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4724
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\SurrogateRefbrokercrt\TJIPXZ1yt.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4616
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\SurrogateRefbrokercrt\jt8xO24p5NQDb5Q9aCeJAGLTHcI6x.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5952
  - - C:\SurrogateRefbrokercrt\msChain.exe
      "C:\SurrogateRefbrokercrt\msChain.exe"
      4⤵
      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:564
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\vrz9BMeNwF.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:3776
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:5856
      - C:\Program Files\edge_BITS_4256_1511981484\upfc.exe
        
        "C:\Program Files\edge_BITS_4256_1511981484\upfc.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of AdjustPrivilegeToken
        
        PID:3476

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 10 /tr "'C:\Windows\Offline Web Pages\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\Offline Web Pages\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3292

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Windows\Offline Web Pages\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3144

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 10 /tr "'C:\Program Files\edge_BITS_4256_1511981484\upfc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3924

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Program Files\edge_BITS_4256_1511981484\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4912

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 7 /tr "'C:\Program Files\edge_BITS_4256_1511981484\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5320

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\SurrogateRefbrokercrt\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5200

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\SurrogateRefbrokercrt\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\SurrogateRefbrokercrt\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5284

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Program Files\edge_BITS_4476_692318894\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4408

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files\edge_BITS_4476_692318894\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4848

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 5 /tr "'C:\Program Files\edge_BITS_4476_692318894\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6136

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5844

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5024

C:\Program Files\edge_BITS_4476_692318894\winlogon.exe
"C:\Program Files\edge_BITS_4476_692318894\winlogon.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1864

C:\Program Files\edge_BITS_4256_1511981484\upfc.exe
"C:\Program Files\edge_BITS_4256_1511981484\upfc.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:6060

C:\Windows\Offline Web Pages\RuntimeBroker.exe
"C:\Windows\Offline Web Pages\RuntimeBroker.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2124

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows NT\Accessories\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2528

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3996

C:\SurrogateRefbrokercrt\dllhost.exe
"C:\SurrogateRefbrokercrt\dllhost.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2892

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 7 /tr "'C:\Program Files (x86)\Windows NT\Accessories\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1688

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 6 /tr "'C:\Users\Public\AccountPictures\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\Public\AccountPictures\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5228

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 12 /tr "'C:\Users\Public\AccountPictures\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5060

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msChainm" /sc MINUTE /mo 8 /tr "'C:\Users\Default\Saved Games\msChain.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3864

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msChain" /sc ONLOGON /tr "'C:\Users\Default\Saved Games\msChain.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3876

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "msChainm" /sc MINUTE /mo 12 /tr "'C:\Users\Default\Saved Games\msChain.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 7 /tr "'C:\Users\Default\Music\cmd.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Users\Default\Music\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 5 /tr "'C:\Users\Default\Music\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3860

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\services.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3780

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5660

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 12 /tr "'C:\Users\Public\AccountPictures\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2880

C:\Users\Default\Saved Games\msChain.exe
"C:\Users\Default\Saved Games\msChain.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3896

C:\Recovery\WindowsRE\dllhost.exe
"C:\Recovery\WindowsRE\dllhost.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3756

C:\Program Files (x86)\Windows NT\Accessories\SppExtComObj.exe
"C:\Program Files (x86)\Windows NT\Accessories\SppExtComObj.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:60

C:\Users\Public\AccountPictures\SppExtComObj.exe
"C:\Users\Public\AccountPictures\SppExtComObj.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3212

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Users\Public\AccountPictures\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4500

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 6 /tr "'C:\Users\Public\AccountPictures\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1572

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 6 /tr "'C:\SurrogateRefbrokercrt\smss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1772

C:\Users\Default\Music\cmd.exe
"C:\Users\Default\Music\cmd.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:5280

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\SurrogateRefbrokercrt\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5548

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 6 /tr "'C:\SurrogateRefbrokercrt\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 5 /tr "'C:\Program Files\Microsoft Office\Office16\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2044

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Program Files\Microsoft Office\Office16\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5168

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 10 /tr "'C:\Program Files\Microsoft Office\Office16\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3648

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 6 /tr "'C:\Program Files\Common Files\microsoft shared\TextConv\en-US\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1384

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files\Common Files\microsoft shared\TextConv\en-US\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1172

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 9 /tr "'C:\Program Files\Common Files\microsoft shared\TextConv\en-US\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5912

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Windows\Offline Web Pages\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2664

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Windows\Offline Web Pages\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2504

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 13 /tr "'C:\Windows\Offline Web Pages\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5240

C:\Recovery\WindowsRE\services.exe
"C:\Recovery\WindowsRE\services.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Windows NT\WUDFHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2568

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WUDFHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\WUDFHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4200

C:\SurrogateRefbrokercrt\smss.exe
"C:\SurrogateRefbrokercrt\smss.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4700

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WUDFHostW" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows NT\WUDFHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4216

C:\Program Files\Microsoft Office\Office16\OfficeClickToRun.exe
"C:\Program Files\Microsoft Office\Office16\OfficeClickToRun.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4888

C:\Windows\Offline Web Pages\backgroundTaskHost.exe
"C:\Windows\Offline Web Pages\backgroundTaskHost.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3836

C:\Program Files\Common Files\microsoft shared\TextConv\en-US\conhost.exe
"C:\Program Files\Common Files\microsoft shared\TextConv\en-US\conhost.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4080

C:\Program Files (x86)\Windows NT\WUDFHost.exe
"C:\Program Files (x86)\Windows NT\WUDFHost.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1500

Network

MITRE ATT&CK Enterprise v16

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

Loading Replay Monitor...

Downloads

TJIPXZ1yt.vbe

Path C:\SurrogateRefbrokercrt\TJIPXZ1yt.vbe
Size 227B
SHA256 936d5f829b602372e59c4573a5f994438c331663ccd053c37929f5a346690dcb
MD5 6a651bb43f9a0b8e2aa2a424c3148500
SHA1 6b4299ec860a2e7b5dc058f63b05379cd606649e
SHA512 b3b71cbecd573c0de4671a9e805a3e10e3848142a32a8f5e537d12b03b298b28e6f553528eeb536499326aee9d68063ac3993d2b2e6674fba078b3e79b981be4
TLSH
T139D023A82031A2E0CF0C8483CA82D82C2DD0AF25C6841BC3C0E4D103D24242E302E3C9
MD5 SHA1 SHA512 TLSH

Submit Download

jt8xO24p5NQDb5Q9aCeJAGLTHcI6x.bat

Path C:\SurrogateRefbrokercrt\jt8xO24p5NQDb5Q9aCeJAGLTHcI6x.bat
Size 38B
SHA256 1b75ab2792d0fed0d38d14470fd1dafd02374be28646d10cc8bfb19ff844d576
MD5 b65a6e2b419464093cc095c96f2a1110
SHA1 f798604cd9142de24773acc4fa6cead4952b4961
SHA512 d8d3b50fd0f7d63cb476e29ca88cc2a7e618424001f75d83d9d4b141defd1273c95a8c6ff7cd3cfa20b4d18551fefb9a4eb43b532df444afe0b455b8496ca9e4
MD5 SHA1 SHA512

Submit Download

msChain.exe

Path C:\SurrogateRefbrokercrt\msChain.exe
Size 827KB
SHA256 3f3e54accb490183056af560213747d3ece4f140b7e40047a7095753ccc894b2
MD5 f2a152310592363457262a142ca15851
SHA1 f3ca49f1b23a37c4dca6662b2a479c608c54d4f7
SHA512 4cf5418dd482f8abce7dc66c50caa3319638e9d76bb3fa9a9562e492db484135dce497f518bfade6fb04babf4ad63afdefa5f647529a07136a2fd947dcff4ff2
SSDEEP 12288:UbxRep5n0DYsah0DYSn+CU6tVdKzRlW5i+mRFfuBK5C91ndpM6P7bcEUi:UbzRah02RQ530uBDduu7bcEr
TLSH
T11A05F6027E44CE12F0091233C2EF454887B9995166A6E32FBDBA376E55523E77C0DACB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

dllhost.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\dllhost.exe.log
Size 1KB
SHA256 ee954c5d8156fd8890e582c716e5758ed9b33721258f10e758bdc31ccbcb1924
MD5 baf55b95da4a601229647f25dad12878
SHA1 abc16954ebfd213733c4493fc1910164d825cac8
SHA512 24f502fedb1a305d0d7b08857ffc1db9b2359ff34e06d5748ecc84e35c985f29a20d9f0a533bea32d234ab37097ec0481620c63b14ac89b280e75e14d19fd545
TLSH
T1B521CD712376B1D889163F422C5D2A8007BF0335BA50DE1CB9A9725ED9260171F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

msChain.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\msChain.exe.log
Size 1KB
SHA256 519fceae4d0dd4d09edd1b81bcdfa8aeab4b59eee77a4cd4b6295ce8e591a900
MD5 7f3c0ae41f0d9ae10a8985a2c327b8fb
SHA1 d58622bf6b5071beacf3b35bb505bde2000983e3
SHA512 8a8fd17eef071f86e672cba0d8fc2cfed6118aff816100b9d7c06eb96443c04c04bc5692259c8d7ecb1563e877921939c61726605af4f969e3f586f0913ed125
TLSH
T10131BE7123B6F1D989163F472C6D26C003BF4329B6A0EE4CB598625EE9270175F222F3
MD5 SHA1 SHA512 TLSH

Submit Download

vrz9BMeNwF.bat

Path C:\Users\Admin\AppData\Local\Temp\vrz9BMeNwF.bat
Size 216B
SHA256 bac98c5f1cadc7d4e4997a6cf928e2762910b0801529dce93affcbc5175f5612
MD5 0bbb3ae3851f887f4eff1b16df567e35
SHA1 b37aa8768566219ef038b81b2a06eaa88cb32a02
SHA512 43ab6d8d4cd1cf2b3f5fd6966d616b8104f47acfcf94de171605c0a9be84fd47ae39630ac1ac49212c2167237a33b7370efab33831b80289db19b9a4fcf73364
TLSH
T11DD02383C202C74404035C520545254D5053184D75C56972078BD559168BD7571AE5C1
MD5 SHA1 SHA512 TLSH

Submit Download

memory/60-97-0x0000000002280000-0x000000000228C000-memory.dmp

Download

memory/564-71-0x0000000002330000-0x000000000233C000-memory.dmp

Download

memory/564-12-0x00000000001F0000-0x00000000002C6000-memory.dmp

Download

memory/1500-110-0x0000000000AB0000-0x0000000000ABC000-memory.dmp

Download

memory/1864-85-0x000000001BB00000-0x000000001BB0C000-memory.dmp

Download

memory/2028-101-0x000000001BBE0000-0x000000001BBEC000-memory.dmp

Download

memory/2124-87-0x000000001C850000-0x000000001C85C000-memory.dmp

Download

memory/2892-89-0x0000000001830000-0x000000000183C000-memory.dmp

Download

memory/3212-95-0x0000000002C30000-0x0000000002C3C000-memory.dmp

Download

memory/3476-113-0x0000000000D30000-0x0000000000D3C000-memory.dmp

Download

memory/3756-91-0x00000000007D0000-0x00000000007DC000-memory.dmp

Download

memory/3836-107-0x00000000021F0000-0x00000000021FC000-memory.dmp

Download

memory/3896-93-0x000000001AD90000-0x000000001AD9C000-memory.dmp

Download

memory/4080-111-0x000000001B210000-0x000000001B21C000-memory.dmp

Download

memory/4700-103-0x000000001D450000-0x000000001D45C000-memory.dmp

Download

memory/4888-105-0x0000000001890000-0x000000000189C000-memory.dmp

Download

memory/5280-99-0x0000000002730000-0x000000000273C000-memory.dmp

Download

memory/6060-84-0x0000000000FD0000-0x0000000000FDC000-memory.dmp

Download