dcrat | 58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771

Analysis

max time kernel
105s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
submitted
25/04/2026, 02:11

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General

Target
x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Size 1.7MB
Sample260425-cmsy9scs21
SHA256 58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771
MD5 b066e0a04f8916653f473e00c0960a00
SHA1 cfa49fe4b80e39f4cbbe64ebc717c18b4624c48e
SHA512 828c0ffb13ba06948d5e82cd3e85c89187bfae91675c1321c728c2daa4d8033066985c89a3e2a856b20c2f196c55935dac5c55c39cd76fa7a7ae4681af6ac84c
SSDEEP 49152:ckQTAHIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scI:caduRD9JdOR4m+lmY/4rx8cI
TLSH
T1398523097181D373C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

defense_evasion discovery execution dcrat infostealer persistence rat trojan

Malware Config

Signatures

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

Modifies WinLogon for persistence 2 TTPs 2 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\edge_BITS_4476_740020995\\SearchApp.exe\""	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files\\edge_BITS_4476_740020995\\SearchApp.exe\", \"C:\\Windows\\IME\\ja-JP\\dllhost.exe\""	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe

Process spawned unexpected child process 6 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	560	708	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	6032	708	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5972	708	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4448	708	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4780	708	schtasks.exe	85
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3200	708	schtasks.exe	85

UAC bypass 3 TTPs 6 IoCs

defense_evasion trojan

Bypass User Account Control

T1548.002

Disable or Modify Tools

T1562.001

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.exe

Command and Scripting Interpreter: PowerShell 1 TTPs 11 IoCs

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

execution

PowerShell

T1059.001

pid	Process
5428	powershell.exe
5044	powershell.exe
4928	powershell.exe
4336	powershell.exe
5348	powershell.exe
6000	powershell.exe
6024	powershell.exe
1784	powershell.exe
4328	powershell.exe
1744	powershell.exe
4996	powershell.exe

Checks computer location settings 2 TTPs 2 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	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\Control Panel\International\Geo\Nation	dllhost.exe

Executes dropped EXE 3 IoCs

pid	Process
5688	dllhost.exe
1788	SearchApp.exe
6088	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe

Adds Run key to start application 2 TTPs 4 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Program Files\\edge_BITS_4476_740020995\\SearchApp.exe\""	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\SearchApp = "\"C:\\Program Files\\edge_BITS_4476_740020995\\SearchApp.exe\""	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\IME\\ja-JP\\dllhost.exe\""	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Windows\\IME\\ja-JP\\dllhost.exe\""	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe

Checks whether UAC is enabled 1 TTPs 4 IoCs

defense_evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe

SmartAssembly .NET packer 5 IoCs

Detects SmartAssembly .NET packer.

resource	yara_rule
behavioral1/memory/4872-5245-0x0000000007110000-0x000000000711C000-memory.dmp	SmartAssembly
behavioral1/memory/4872-5243-0x0000000006830000-0x000000000683A000-memory.dmp	SmartAssembly
behavioral1/memory/4872-5242-0x00000000067E0000-0x00000000067EC000-memory.dmp	SmartAssembly
behavioral1/memory/4872-5237-0x0000000006700000-0x000000000670A000-memory.dmp	SmartAssembly
behavioral1/memory/4872-5233-0x0000000006070000-0x0000000006080000-memory.dmp	SmartAssembly

Drops file in Program Files directory 5 IoCs

description	ioc	Process
File opened for modification	C:\Program Files\edge_BITS_4476_740020995\RCX8DA8.tmp	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File created	C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File opened for modification	C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File created	C:\Program Files\edge_BITS_4476_740020995\38384e6a620884	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File opened for modification	C:\Program Files\edge_BITS_4476_740020995\RCX8D97.tmp	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\IME\ja-JP\5940a34987c991	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File opened for modification	C:\Windows\IME\ja-JP\RCX90D5.tmp	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File opened for modification	C:\Windows\IME\ja-JP\RCX90D6.tmp	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File opened for modification	C:\Windows\IME\ja-JP\dllhost.exe	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
File created	C:\Windows\IME\ja-JP\dllhost.exe	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.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 17 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	dllhost.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	SearchApp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Key created	\REGISTRY\USER\S-1-5-21-1609746302-1884177235-1125644204-1000_Classes\Local Settings	dllhost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 6 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3200	schtasks.exe
560	schtasks.exe
6032	schtasks.exe
5972	schtasks.exe
4448	schtasks.exe
4780	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
1784	powershell.exe
1784	powershell.exe
6024	powershell.exe
6024	powershell.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
5044	powershell.exe
5044	powershell.exe
4928	powershell.exe
4928	powershell.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
4328	powershell.exe
4328	powershell.exe
6000	powershell.exe
6000	powershell.exe
5428	powershell.exe
5428	powershell.exe
4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
5348	powershell.exe
5348	powershell.exe
4996	powershell.exe
4996	powershell.exe
4336	powershell.exe
4336	powershell.exe
1744	powershell.exe
1744	powershell.exe
5428	powershell.exe
5428	powershell.exe
4328	powershell.exe
4328	powershell.exe
1784	powershell.exe
1784	powershell.exe
6000	powershell.exe
6000	powershell.exe
5348	powershell.exe
5348	powershell.exe
6024	powershell.exe
6024	powershell.exe
4928	powershell.exe

Suspicious use of AdjustPrivilegeToken 15 IoCs

description	pid	Process
Token: SeDebugPrivilege	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Token: SeDebugPrivilege	5688	dllhost.exe
Token: SeDebugPrivilege	1788	SearchApp.exe
Token: SeDebugPrivilege	1784	powershell.exe
Token: SeDebugPrivilege	6024	powershell.exe
Token: SeDebugPrivilege	5044	powershell.exe
Token: SeDebugPrivilege	4928	powershell.exe
Token: SeDebugPrivilege	5428	powershell.exe
Token: SeDebugPrivilege	4328	powershell.exe
Token: SeDebugPrivilege	6000	powershell.exe
Token: SeDebugPrivilege	5348	powershell.exe
Token: SeDebugPrivilege	4996	powershell.exe
Token: SeDebugPrivilege	4336	powershell.exe
Token: SeDebugPrivilege	6088	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Token: SeDebugPrivilege	1744	powershell.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 4872 wrote to memory of 6000	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	98
PID 4872 wrote to memory of 5428	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	99
PID 4872 wrote to memory of 4996	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	100
PID 4872 wrote to memory of 6024	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	101
PID 4872 wrote to memory of 5348	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	102
PID 4872 wrote to memory of 1744	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	103
PID 4872 wrote to memory of 4336	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	104
PID 4872 wrote to memory of 4328	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	105
PID 4872 wrote to memory of 1784	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	106
PID 4872 wrote to memory of 4928	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	107
PID 4872 wrote to memory of 5044	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	108
PID 4872 wrote to memory of 6088	4872	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe	123
PID 5688 wrote to memory of 1404	5688	dllhost.exe	128
PID 5688 wrote to memory of 2328	5688	dllhost.exe	129

System policy modification 1 TTPs 6 IoCs

defense_evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	dllhost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	dllhost.exe

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\x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
"C:\Users\Admin\AppData\Local\Temp\x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe"
1⤵
- Modifies WinLogon for persistence
- UAC bypass
- Checks computer location settings
- Adds Run key to start application
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4872
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:6000
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/$Recycle.Bin/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5428
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Documents and Settings/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4996
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/PerfLogs/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:6024
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5348
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Program Files (x86)/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1744
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/ProgramData/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4336
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Recovery/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4328
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/System Volume Information/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1784
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Users/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4928
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:/Windows/'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:5044
- C:\Users\Admin\AppData\Local\Temp\x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe
  "C:\Users\Admin\AppData\Local\Temp\x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:6088

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:6032

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:560

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 9 /tr "'C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3200

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Windows\IME\ja-JP\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4780

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\IME\ja-JP\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4448

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Windows\IME\ja-JP\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5972

C:\Windows\IME\ja-JP\dllhost.exe
"C:\Windows\IME\ja-JP\dllhost.exe"
1⤵
- UAC bypass
- Checks computer location settings
- Executes dropped EXE
- Checks whether UAC is enabled
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:5688
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4adb0669-1cbf-4334-b2b0-bf984f1b9056.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1404
- - C:\Windows\IME\ja-JP\dllhost.exe
    C:\Windows\IME\ja-JP\dllhost.exe
    3⤵
    PID:5000
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\07d6e711-9f9b-486a-9d37-dab7575c4320.vbs"
      4⤵
      PID:5168
    - - C:\Windows\IME\ja-JP\dllhost.exe
        
        C:\Windows\IME\ja-JP\dllhost.exe
        5⤵
        
        PID:4716
  - - C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\716ee0b0-b03a-4fbb-8747-ef1c5c2c5fc4.vbs"
      4⤵
      PID:5084
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\dcfa8129-67f2-49ff-8b40-bac75489ecf6.vbs"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2328

C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe
"C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe"
1⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1788

Network

MITRE ATT&CK Enterprise v16

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

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

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

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

T1562.001

Modify Registry

T1112

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

SearchApp.exe

Path C:\Program Files\edge_BITS_4476_740020995\SearchApp.exe
Size 1.7MB
SHA256 58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771
MD5 b066e0a04f8916653f473e00c0960a00
SHA1 cfa49fe4b80e39f4cbbe64ebc717c18b4624c48e
SHA512 828c0ffb13ba06948d5e82cd3e85c89187bfae91675c1321c728c2daa4d8033066985c89a3e2a856b20c2f196c55935dac5c55c39cd76fa7a7ae4681af6ac84c
SSDEEP 49152:ckQTAHIwMtuvMDVPG4JdXeR4aT6LQ+d3mY/4qxTsx3scI:caduRD9JdOR4m+lmY/4rx8cI
TLSH
T1398523097181D373C2FB003085C58FB55A2566224F7566EFFBE89B662F202F4BB661C9
MD5 SHA1 SHA512 SSDEEP TLSH

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dllhost.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\dllhost.exe.log
Size 1KB
SHA256 aaac00dacd37c23d8f6d509d918fb51aed021ae042e0ada9c366f07dfeb5c536
MD5 ba603bf22cafea7ad3a7e4d067710be1
SHA1 c08a4f87f62773d797e0bc161ff1e901c0c24840
SHA512 3f1c98c837ab22a7e067af1d55b50fa5148773fbb0fc6d2e70233f24e8b07ecda866b80cbc4dda616f34786a54a069491bdf5047a074cf565b5194e673d82d7d
TLSH
T1BE218E303222B5D84D022F53085869C513FF4759BA64EE2CB999225EDD2A45BAB321E3
MD5 SHA1 SHA512 TLSH

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powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
Size 2KB
SHA256 6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69
MD5 3d086a433708053f9bf9523e1d87a4e8
SHA1 b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28
SHA512 931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd
TLSH
T1A8417C303261A9D84D435B0215286ED5E3EF478AAFAC5F5CB569231DCE2A44BD7221F3
MD5 SHA1 SHA512 TLSH

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x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\x58c8a44dd21f79b2bbebc0860892807a048fc72942cef7012bc81770e0227771.exe.log
Size 1KB
SHA256 3cba3f593969fc042085f3003d06004dcc1c3ae6c4c5bd4571d15958fc205103
MD5 beb0064ba6c2eab9f13c33cd1ba2cc1d
SHA1 f5b5c30658375521c9380e71b5789c9f40b9dea2
SHA512 23b29c07a83035330a03cc2d02563fc898c5658edcf2e1c353df16e8facca301368dbbab547ce81d56ab7954a72cc0056c81ffa3fce4f296c9738440bf65372a
TLSH
T12B3190303662B4D54D022F530C186AC513FF474DB6B4EF5CBA99225EE92A4579B321F3
MD5 SHA1 SHA512 TLSH

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