dcrat | cb4626ad921c63113e18c3aefb109f70c8e334089871133ea675d62d836d810b

Analysis

max time kernel
96s
max time network
123s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10-12-2024 17:41

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General

Target

6689bd9a5c795eedc631e5fbb850b7ff.exe
Size

1.5MB
MD5

6689bd9a5c795eedc631e5fbb850b7ff
SHA1

b63d8e25d4eb9abea3ed0f7867f70db2ab18cba2
SHA256

cb4626ad921c63113e18c3aefb109f70c8e334089871133ea675d62d836d810b
SHA512

ff51ccd8918344bb0439a4d9e39394383bff2196496d778db9a3d2862479e55f1bf59c7d467ff055c721231cb592c3c7ded63c5af28a3f9552dc6421dd1151bf
SSDEEP

24576:K17t7ROjwJqMAVS2hEijP79eAPkavlCCyYcBoZ11q8UuZPt5PsuWg:KBt7R0wJ4L5Uw5lCCyG31oIPmg

Score

10^/10

dcrat execution infostealer persistence rat

Malware Config

Signatures

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

Modifies WinLogon for persistence 2 TTPs 6 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\Idle.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\SetupMetrics\\System.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\Idle.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\SetupMetrics\\System.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\RedistList\\dllhost.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\Idle.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\SetupMetrics\\System.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\RedistList\\dllhost.exe\", \"C:\\Program Files (x86)\\Microsoft\\EdgeUpdate_bk\\Download\\upfc.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\Idle.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\SetupMetrics\\System.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\RedistList\\dllhost.exe\", \"C:\\Program Files (x86)\\Microsoft\\EdgeUpdate_bk\\Download\\upfc.exe\", \"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\Idle.exe\", \"C:\\Program Files\\Google\\Chrome\\Application\\SetupMetrics\\System.exe\", \"C:\\Program Files (x86)\\Microsoft.NET\\RedistList\\dllhost.exe\", \"C:\\Program Files (x86)\\Microsoft\\EdgeUpdate_bk\\Download\\upfc.exe\", \"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\6689bd9a5c795eedc631e5fbb850b7ff.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Recovery\\WindowsRE\\Idle.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe

Process spawned unexpected child process 18 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	3812	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	880	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4152	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1964	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2272	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2220	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2696	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2184	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3368	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3032	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4376	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1756	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1668	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2988	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2596	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	876	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3860	2456	schtasks.exe	83
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	212	2456	schtasks.exe	83

Command and Scripting Interpreter: PowerShell 1 TTPs 6 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2708	powershell.exe
868	powershell.exe
464	powershell.exe
2940	powershell.exe
4340	powershell.exe
2180	powershell.exe

Checks computer location settings 2 TTPs 1 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-1-5-21-2437139445-1151884604-3026847218-1000\Control Panel\International\Geo\Nation	6689bd9a5c795eedc631e5fbb850b7ff.exe

Executes dropped EXE 1 IoCs

pid	Process
676	System.exe

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\upfc = "\"C:\\Program Files (x86)\\Microsoft\\EdgeUpdate_bk\\Download\\upfc.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6689bd9a5c795eedc631e5fbb850b7ff = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\6689bd9a5c795eedc631e5fbb850b7ff.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Recovery\\WindowsRE\\Idle.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Idle = "\"C:\\Recovery\\WindowsRE\\Idle.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files\\Google\\Chrome\\Application\\SetupMetrics\\System.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files (x86)\\Microsoft.NET\\RedistList\\dllhost.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\6689bd9a5c795eedc631e5fbb850b7ff = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\6689bd9a5c795eedc631e5fbb850b7ff.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files\\Google\\Chrome\\Application\\SetupMetrics\\System.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files (x86)\\Microsoft.NET\\RedistList\\dllhost.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\upfc = "\"C:\\Program Files (x86)\\Microsoft\\EdgeUpdate_bk\\Download\\upfc.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Recovery\\WindowsRE\\backgroundTaskHost.exe\""	6689bd9a5c795eedc631e5fbb850b7ff.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSCE0BC87B84AB0403483D69997202A982A.TMP	csc.exe
File created	\??\c:\Windows\System32\ewkptm.exe	csc.exe

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Download\upfc.exe	6689bd9a5c795eedc631e5fbb850b7ff.exe
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Download\ea1d8f6d871115	6689bd9a5c795eedc631e5fbb850b7ff.exe
File created	C:\Program Files (x86)\Microsoft.NET\RedistList\dllhost.exe	6689bd9a5c795eedc631e5fbb850b7ff.exe
File created	C:\Program Files (x86)\Microsoft.NET\RedistList\5940a34987c991	6689bd9a5c795eedc631e5fbb850b7ff.exe

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2437139445-1151884604-3026847218-1000_Classes\Local Settings	6689bd9a5c795eedc631e5fbb850b7ff.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
880	schtasks.exe
3032	schtasks.exe
3812	schtasks.exe
4152	schtasks.exe
1964	schtasks.exe
2596	schtasks.exe
212	schtasks.exe
2272	schtasks.exe
2220	schtasks.exe
2184	schtasks.exe
3368	schtasks.exe
4376	schtasks.exe
1668	schtasks.exe
2988	schtasks.exe
876	schtasks.exe
3860	schtasks.exe
2696	schtasks.exe
1756	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
3204	6689bd9a5c795eedc631e5fbb850b7ff.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe
Token: SeDebugPrivilege	2180	powershell.exe
Token: SeDebugPrivilege	2940	powershell.exe
Token: SeDebugPrivilege	4340	powershell.exe
Token: SeDebugPrivilege	868	powershell.exe
Token: SeDebugPrivilege	2708	powershell.exe
Token: SeDebugPrivilege	464	powershell.exe
Token: SeDebugPrivilege	676	System.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3204 wrote to memory of 4524	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	87
PID 3204 wrote to memory of 4524	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	87
PID 4524 wrote to memory of 3960	4524	csc.exe	89
PID 4524 wrote to memory of 3960	4524	csc.exe	89
PID 3204 wrote to memory of 2940	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	105
PID 3204 wrote to memory of 2940	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	105
PID 3204 wrote to memory of 464	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	106
PID 3204 wrote to memory of 464	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	106
PID 3204 wrote to memory of 868	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	107
PID 3204 wrote to memory of 868	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	107
PID 3204 wrote to memory of 2708	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	108
PID 3204 wrote to memory of 2708	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	108
PID 3204 wrote to memory of 2180	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	109
PID 3204 wrote to memory of 2180	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	109
PID 3204 wrote to memory of 4340	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	110
PID 3204 wrote to memory of 4340	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	110
PID 3204 wrote to memory of 1644	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	117
PID 3204 wrote to memory of 1644	3204	6689bd9a5c795eedc631e5fbb850b7ff.exe	117
PID 1644 wrote to memory of 2684	1644	cmd.exe	119
PID 1644 wrote to memory of 2684	1644	cmd.exe	119
PID 1644 wrote to memory of 2172	1644	cmd.exe	120
PID 1644 wrote to memory of 2172	1644	cmd.exe	120
PID 1644 wrote to memory of 676	1644	cmd.exe	121
PID 1644 wrote to memory of 676	1644	cmd.exe	121

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\6689bd9a5c795eedc631e5fbb850b7ff.exe
"C:\Users\Admin\AppData\Local\Temp\6689bd9a5c795eedc631e5fbb850b7ff.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3204
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\kouygo1i\kouygo1i.cmdline"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4524
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RESE0EA.tmp" "c:\Windows\System32\CSCE0BC87B84AB0403483D69997202A982A.TMP"
    3⤵
    PID:3960
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\Idle.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2940
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Google\Chrome\Application\SetupMetrics\System.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:464
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Microsoft.NET\RedistList\dllhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:868
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Download\upfc.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2708
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\backgroundTaskHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:2180
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\6689bd9a5c795eedc631e5fbb850b7ff.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious use of AdjustPrivilegeToken
  PID:4340
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\OhQ4v5Xt3r.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1644
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:2684
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:2172
- - C:\Program Files\Google\Chrome\Application\SetupMetrics\System.exe
    "C:\Program Files\Google\Chrome\Application\SetupMetrics\System.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of AdjustPrivilegeToken
    PID:676

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3812

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:880

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4152

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 6 /tr "'C:\Program Files\Google\Chrome\Application\SetupMetrics\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1964

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Google\Chrome\Application\SetupMetrics\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2272

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Google\Chrome\Application\SetupMetrics\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2220

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2696

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2184

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft.NET\RedistList\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3368

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Download\upfc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3032

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Download\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Download\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1668

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "6689bd9a5c795eedc631e5fbb850b7ff6" /sc MINUTE /mo 8 /tr "'C:\Users\Admin\AppData\Local\Temp\6689bd9a5c795eedc631e5fbb850b7ff.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:876

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "6689bd9a5c795eedc631e5fbb850b7ff" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\6689bd9a5c795eedc631e5fbb850b7ff.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 "6689bd9a5c795eedc631e5fbb850b7ff6" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\AppData\Local\Temp\6689bd9a5c795eedc631e5fbb850b7ff.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:212

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Recovery\WindowsRE\Idle.exe

Filesize
1.5MB

MD5
6689bd9a5c795eedc631e5fbb850b7ff

SHA1
b63d8e25d4eb9abea3ed0f7867f70db2ab18cba2

SHA256
cb4626ad921c63113e18c3aefb109f70c8e334089871133ea675d62d836d810b

SHA512
ff51ccd8918344bb0439a4d9e39394383bff2196496d778db9a3d2862479e55f1bf59c7d467ff055c721231cb592c3c7ded63c5af28a3f9552dc6421dd1151bf

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

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

Filesize
944B

MD5
d28a889fd956d5cb3accfbaf1143eb6f

SHA1
157ba54b365341f8ff06707d996b3635da8446f7

SHA256
21e5d7ccf80a293e6ba30ed728846ca19c929c52b96e2c8d34e27cd2234f1d45

SHA512
0b6d88deb9be85722e6a78d5886d49f2caf407a59e128d2b4ed74c1356f9928c40048a62731959f2460e9ff9d9feee311043d2a37abe3bb92c2b76a44281478c

Download Submit
C:\Users\Admin\AppData\Local\Temp\OhQ4v5Xt3r.bat

Filesize
242B

MD5
1922ff1d477ca0f66ea0e7914e7ee873

SHA1
c95937c5625207edf4e3f352ec529d918179561f

SHA256
fc4984243b227509c7b6e078ef002d61c2651f4452f8c7f7ca6b3282e8ec68d2

SHA512
9f9643e0009b9ca6a9f320b82f4a2836fbb912c23ebf0988196b9e38a088d4d71bfea1a0866e9288aa6aeba3af38de308b432b34f11c23d18e2f9e0ab31f5357

Download Submit
C:\Users\Admin\AppData\Local\Temp\RESE0EA.tmp

Filesize
1KB

MD5
ad7a2768bf74c0f05959f874b9cf192d

SHA1
f6a112d4d40dddff0e9c26c08cd2b34156d89c1e

SHA256
d8bb247c4027625c6cbd6f53c5235d8c80d34c361f1a0a61e1e08e0023c7c221

SHA512
8d7bcb7d8b05a7935103e477fc92fc74700ae55b3d55f423c0b47e7cf1f23d42208ba2348858be9cbeae361264abbe858d19332da0411fef04f3ce8214c2fcad

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_dvkbifbh.h3p.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\kouygo1i\kouygo1i.0.cs

Filesize
362B

MD5
adbead2b7eebf734ee99b8cbf48415e5

SHA1
931a90f2668865cd5e7c5ca945e8b56428f0f6db

SHA256
1a77e4d8dde059a23f13e1fc9a7c407ecaadffdeca738aa5aef96c771476b6c4

SHA512
2202fb6508bb73ec380efa50c869a07ea8c89dd7708d5b0b444f48a89a15aa0798ba09896a4704cc65da37037afb51aa92f68a1148fda756120718fc57218565

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\kouygo1i\kouygo1i.cmdline

Filesize
235B

MD5
df4d2da77fb9f92a7ef2d2ec0535883f

SHA1
048c7b821d9cc1f0d4cc4ec53aa602f2a26ab060

SHA256
ac4f38373d7f9b872ad0337ad213210705d5d3c977244335c3c40ca83016c354

SHA512
bbfe38391e14b479cf761dcdc189bc2ba4dac74c577836caf150dd0f66814d1538f61a567d7d615842c5ed8f0014f6719b2356723a46043be22eaad00ec8cd02

Download Submit
\??\c:\Windows\System32\CSCE0BC87B84AB0403483D69997202A982A.TMP

Filesize
1KB

MD5
be99f41194f5159cc131a1a4353a0e0a

SHA1
f24e3bf06e777b4de8d072166cff693e43f2295c

SHA256
564d9051e5639603c83562a9ff2c2e478cc7e13d54faf39f761297bac78603bf

SHA512
51d1a50772bb7d689193e6a9b2e363185cf5438103644b2b68cf13e08274c5d99407b99f8cdc856143d28669f5ee4ee316041a8e33df42f55bfd181aa3f3c0f5

Download Submit
memory/2180-3616-0x000001D776730000-0x000001D776752000-memory.dmp

Filesize
136KB

Download
memory/3204-16-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-28-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-62-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-60-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-58-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-56-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-54-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-52-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-50-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-48-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-47-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-44-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-42-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-40-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-38-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-36-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-34-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-32-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-26-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-24-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-20-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-66-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-14-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-10-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-8-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-3-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-30-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-64-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-22-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-6-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-4-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-3502-0x00007FFAC20B3000-0x00007FFAC20B5000-memory.dmp

Filesize
8KB

Download
memory/3204-3561-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3562-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3563-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3564-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3567-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3568-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3566-0x0000000001110000-0x000000000111E000-memory.dmp

Filesize
56KB

Download
memory/3204-3570-0x000000001B320000-0x000000001B33C000-memory.dmp

Filesize
112KB

Download
memory/3204-3574-0x000000001B340000-0x000000001B358000-memory.dmp

Filesize
96KB

Download
memory/3204-3572-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3576-0x0000000001160000-0x000000000116C000-memory.dmp

Filesize
48KB

Download
memory/3204-68-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-18-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-3571-0x000000001B390000-0x000000001B3E0000-memory.dmp

Filesize
320KB

Download
memory/3204-3578-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3589-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3590-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-3635-0x00007FFAC20B0000-0x00007FFAC2B71000-memory.dmp

Filesize
10.8MB

Download
memory/3204-12-0x000000001B400000-0x000000001B5D4000-memory.dmp

Filesize
1.8MB

Download
memory/3204-2-0x000000001B400000-0x000000001B5DA000-memory.dmp

Filesize
1.9MB

Download
memory/3204-1-0x00000000007F0000-0x00000000007F8000-memory.dmp

Filesize
32KB

Download
memory/3204-0-0x00007FFAC20B3000-0x00007FFAC20B5000-memory.dmp

Filesize
8KB

Download