dcrat | 511b7dffe882fa5fa36b6aa5b426a58ba4be1a090294f6ba1dd197ee3fd6bdee

Analysis

max time kernel
150s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20/08/2024, 14:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
5d0958e2bf96b110c7f114d783e4517a.exe
Size 3.8MB
Sample240820-sa1fksyamd
SHA256 511b7dffe882fa5fa36b6aa5b426a58ba4be1a090294f6ba1dd197ee3fd6bdee
MD5 5d0958e2bf96b110c7f114d783e4517a
SHA1 8b3084692e5a523238f595cc16f73818c65223d5
SHA512 c93e362cf63b7a4acceeaf7cf88d74d0077a9d053d713950843997f3faa7bd561f05b58b5094043825f00c465b533ec7ce52bbedab96ba1b6f16a9dc1b8e0138
SSDEEP 49152:UbA30BU95+hcmMrWB/khAo9uGcaC/qjgzx+dpIRMJupzMWb547AVgR37pYMyMmOD:Ubi9XrQKAfX4dpxcDK7AiR3yWz/7
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dcrat discovery evasion execution infostealer rat trojan

Malware Config

Signatures

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

Process spawned unexpected child process 15 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	2748	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3796	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4192	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	760	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1532	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1172	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4076	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3580	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3752	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2724	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4204	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1328	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2460	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4380	3488	schtasks.exe	93
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	372	3488	schtasks.exe	93

UAC bypass 3 TTPs 12 IoCs

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\ConsentPromptBehaviorAdmin = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	Hyperdhcp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Hyperdhcp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	Hyperdhcp.exe

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/files/0x0007000000023495-10.dat	dcrat
behavioral2/memory/4904-13-0x0000000000340000-0x00000000006BC000-memory.dmp	dcrat

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
1056	powershell.exe
5036	powershell.exe
3340	powershell.exe
1428	powershell.exe
3308	powershell.exe
3388	powershell.exe

Checks computer location settings 2 TTPs 6 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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	5d0958e2bf96b110c7f114d783e4517a.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	Hyperdhcp.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	TrustedInstaller.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	TrustedInstaller.exe
Key value queried	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	TrustedInstaller.exe

Executes dropped EXE 4 IoCs

pid	Process
4904	Hyperdhcp.exe
396	TrustedInstaller.exe
712	TrustedInstaller.exe
3236	TrustedInstaller.exe

Checks whether UAC is enabled 1 TTPs 8 IoCs

evasion trojan

System Information Discovery

T1082

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

Legitimate hosting services abused for malware hosting/C2 1 TTPs 4 IoCs

Web Service

T1102

flow	ioc
34	pastebin.com
35	pastebin.com
69	pastebin.com
75	pastebin.com

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\WmiPrvSE.exe	Hyperdhcp.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\24dbde2999530e	Hyperdhcp.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe	Hyperdhcp.exe
File created	C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\04c1e7795967e4	Hyperdhcp.exe
File created	C:\Program Files (x86)\Windows Multimedia Platform\unsecapp.exe	Hyperdhcp.exe
File opened for modification	C:\Program Files (x86)\Windows Multimedia Platform\unsecapp.exe	Hyperdhcp.exe
File created	C:\Program Files (x86)\Windows Multimedia Platform\29c1c3cc0f7685	Hyperdhcp.exe

Drops file in Windows directory 2 IoCs

description	ioc	Process
File created	C:\Windows\assembly\sihost.exe	Hyperdhcp.exe
File created	C:\Windows\assembly\66fc9ff0ee96c2	Hyperdhcp.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	5d0958e2bf96b110c7f114d783e4517a.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 5 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	5d0958e2bf96b110c7f114d783e4517a.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	Hyperdhcp.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	TrustedInstaller.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	TrustedInstaller.exe
Key created	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	TrustedInstaller.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 15 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3796	schtasks.exe
2460	schtasks.exe
1532	schtasks.exe
3580	schtasks.exe
2724	schtasks.exe
4204	schtasks.exe
4380	schtasks.exe
4192	schtasks.exe
760	schtasks.exe
1172	schtasks.exe
4076	schtasks.exe
3752	schtasks.exe
1328	schtasks.exe
372	schtasks.exe
2748	schtasks.exe

Suspicious behavior: EnumeratesProcesses 22 IoCs

pid	Process
4904	Hyperdhcp.exe
3340	powershell.exe
3340	powershell.exe
1428	powershell.exe
1428	powershell.exe
1056	powershell.exe
1056	powershell.exe
3388	powershell.exe
3388	powershell.exe
5036	powershell.exe
5036	powershell.exe
3308	powershell.exe
3308	powershell.exe
5036	powershell.exe
3340	powershell.exe
1428	powershell.exe
1056	powershell.exe
3388	powershell.exe
3308	powershell.exe
396	TrustedInstaller.exe
712	TrustedInstaller.exe
3236	TrustedInstaller.exe

Suspicious use of AdjustPrivilegeToken 10 IoCs

description	pid	Process
Token: SeDebugPrivilege	4904	Hyperdhcp.exe
Token: SeDebugPrivilege	3340	powershell.exe
Token: SeDebugPrivilege	1428	powershell.exe
Token: SeDebugPrivilege	3388	powershell.exe
Token: SeDebugPrivilege	1056	powershell.exe
Token: SeDebugPrivilege	5036	powershell.exe
Token: SeDebugPrivilege	3308	powershell.exe
Token: SeDebugPrivilege	396	TrustedInstaller.exe
Token: SeDebugPrivilege	712	TrustedInstaller.exe
Token: SeDebugPrivilege	3236	TrustedInstaller.exe

Suspicious use of WriteProcessMemory 42 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 960	2136	5d0958e2bf96b110c7f114d783e4517a.exe	86
PID 2136 wrote to memory of 960	2136	5d0958e2bf96b110c7f114d783e4517a.exe	86
PID 2136 wrote to memory of 960	2136	5d0958e2bf96b110c7f114d783e4517a.exe	86
PID 960 wrote to memory of 3664	960	WScript.exe	94
PID 960 wrote to memory of 3664	960	WScript.exe	94
PID 960 wrote to memory of 3664	960	WScript.exe	94
PID 3664 wrote to memory of 4904	3664	cmd.exe	96
PID 3664 wrote to memory of 4904	3664	cmd.exe	96
PID 4904 wrote to memory of 3388	4904	Hyperdhcp.exe	113
PID 4904 wrote to memory of 3388	4904	Hyperdhcp.exe	113
PID 4904 wrote to memory of 1056	4904	Hyperdhcp.exe	114
PID 4904 wrote to memory of 1056	4904	Hyperdhcp.exe	114
PID 4904 wrote to memory of 5036	4904	Hyperdhcp.exe	115
PID 4904 wrote to memory of 5036	4904	Hyperdhcp.exe	115
PID 4904 wrote to memory of 3340	4904	Hyperdhcp.exe	116
PID 4904 wrote to memory of 3340	4904	Hyperdhcp.exe	116
PID 4904 wrote to memory of 1428	4904	Hyperdhcp.exe	117
PID 4904 wrote to memory of 1428	4904	Hyperdhcp.exe	117
PID 4904 wrote to memory of 3308	4904	Hyperdhcp.exe	118
PID 4904 wrote to memory of 3308	4904	Hyperdhcp.exe	118
PID 4904 wrote to memory of 4572	4904	Hyperdhcp.exe	125
PID 4904 wrote to memory of 4572	4904	Hyperdhcp.exe	125
PID 4572 wrote to memory of 2308	4572	cmd.exe	127
PID 4572 wrote to memory of 2308	4572	cmd.exe	127
PID 4572 wrote to memory of 396	4572	cmd.exe	130
PID 4572 wrote to memory of 396	4572	cmd.exe	130
PID 396 wrote to memory of 1952	396	TrustedInstaller.exe	131
PID 396 wrote to memory of 1952	396	TrustedInstaller.exe	131
PID 396 wrote to memory of 4984	396	TrustedInstaller.exe	132
PID 396 wrote to memory of 4984	396	TrustedInstaller.exe	132
PID 1952 wrote to memory of 712	1952	WScript.exe	147
PID 1952 wrote to memory of 712	1952	WScript.exe	147
PID 712 wrote to memory of 1896	712	TrustedInstaller.exe	148
PID 712 wrote to memory of 1896	712	TrustedInstaller.exe	148
PID 712 wrote to memory of 2128	712	TrustedInstaller.exe	149
PID 712 wrote to memory of 2128	712	TrustedInstaller.exe	149
PID 1896 wrote to memory of 3236	1896	WScript.exe	150
PID 1896 wrote to memory of 3236	1896	WScript.exe	150
PID 3236 wrote to memory of 5000	3236	TrustedInstaller.exe	151
PID 3236 wrote to memory of 5000	3236	TrustedInstaller.exe	151
PID 3236 wrote to memory of 1588	3236	TrustedInstaller.exe	152
PID 3236 wrote to memory of 1588	3236	TrustedInstaller.exe	152

System policy modification 1 TTPs 12 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	Hyperdhcp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	TrustedInstaller.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	Hyperdhcp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	Hyperdhcp.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	TrustedInstaller.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\5d0958e2bf96b110c7f114d783e4517a.exe
"C:\Users\Admin\AppData\Local\Temp\5d0958e2bf96b110c7f114d783e4517a.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\chainfontBroker\trc5nQ.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:960
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\chainfontBroker\fo6T8oNFoLNkag45R4Dcasp.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:3664
  - - C:\chainfontBroker\Hyperdhcp.exe
      "C:\chainfontBroker\Hyperdhcp.exe"
      4⤵
      UAC bypass
      Checks computer location settings
      Executes dropped EXE
      Checks whether UAC is enabled
      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
      System policy modification
      PID:4904
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\chainfontBroker\Hyperdhcp.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3388
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Windows Multimedia Platform\unsecapp.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1056
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\chainfontBroker\Idle.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:5036
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\WmiPrvSE.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3340
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\assembly\sihost.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1428
    - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        
        "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe'
        5⤵
        Command and Scripting Interpreter: PowerShell
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:3308
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\DXL1DPV8uS.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:4572
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:2308
      - C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe
        
        "C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe"
        6⤵
        UAC bypass
        Checks computer location settings
        Executes dropped EXE
        Checks whether UAC is enabled
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        System policy modification
        
        PID:396
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\4668ba6b-e8d9-4e92-aa95-d5c39503bc1b.vbs"
        7⤵
        Suspicious use of WriteProcessMemory
        
        PID:1952
        
        C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe
        
        "C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe"
        8⤵
        UAC bypass
        Checks computer location settings
        Executes dropped EXE
        Checks whether UAC is enabled
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        System policy modification
        
        PID:712
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\79c66466-4867-4f8b-9491-eb19ef5eb9c9.vbs"
        9⤵
        Suspicious use of WriteProcessMemory
        
        PID:1896
        
        C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe
        
        "C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe"
        10⤵
        UAC bypass
        Checks computer location settings
        Executes dropped EXE
        Checks whether UAC is enabled
        Modifies registry class
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        Suspicious use of WriteProcessMemory
        System policy modification
        
        PID:3236
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\8b84f11c-adc9-4d1a-8291-b9f3301bd6bd.vbs"
        11⤵
        
        PID:5000
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\3b5c8010-33e2-4c01-bfad-2743ea3b05ec.vbs"
        11⤵
        
        PID:1588
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\c9988e5d-6426-46bd-bfff-199756da5bbb.vbs"
        9⤵
        
        PID:2128
        
        C:\Windows\System32\WScript.exe
        
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\cee712ee-b514-4631-8a2c-41dc231c9ad0.vbs"
        7⤵
        
        PID:4984

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2748

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Multimedia Platform\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3796

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4192

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 10 /tr "'C:\chainfontBroker\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\chainfontBroker\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1532

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\chainfontBroker\Idle.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 "WmiPrvSEW" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\WmiPrvSE.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4076

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\v3.5\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 5 /tr "'C:\Windows\assembly\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2724

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Windows\assembly\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 8 /tr "'C:\Windows\assembly\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2460

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstaller" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4380

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TrustedInstallerT" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\MSBuild\Microsoft\Windows Workflow Foundation\TrustedInstaller.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:372

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

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

Web Service

T1102

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

TrustedInstaller.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\TrustedInstaller.exe.log
Size 1KB
SHA256 414659decfd237dde09625a49811e03b5b30ee06ee2ee97ea8bcfac394d281fd
MD5 4a667f150a4d1d02f53a9f24d89d53d1
SHA1 306e125c9edce66f28fdb63e6c4ca5c9ad6e8c97
SHA512 4edd8e73ce03488a6d92750a782cd4042fbb54a5b3f8d8ba3ea227fda0653c2cd84f0c5d64976c7cdc1f518a2fdc8ff10e2a015ec7acf3cd01b0d62bc98542d8
MD5 SHA1 SHA512

Submit Download

powershell.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log
Size 2KB
SHA256 84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f
MD5 d85ba6ff808d9e5444a4b369f5bc2730
SHA1 31aa9d96590fff6981b315e0b391b575e4c0804a
SHA512 8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c
MD5 6d42b6da621e8df5674e26b799c8e2aa
SHA1 ab3ce1327ea1eeedb987ec823d5e0cb146bafa48
SHA512 53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010
MD5 62623d22bd9e037191765d5083ce16a3
SHA1 4a07da6872672f715a4780513d95ed8ddeefd259
SHA512 9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 944B
SHA256 f97ff12a8abf4bf88bb6497bd2ac2da12628c8847a8ba5a9026bdbb76507cdfb
MD5 77d622bb1a5b250869a3238b9bc1402b
SHA1 d47f4003c2554b9dfc4c16f22460b331886b191b
SHA512 d6789b5499f23c9035375a102271e17a8a82e57d6f5312fa24242e08a83efdeb8becb7622f55c4cf1b89c7d864b445df11f4d994cf7e2f87a900535bcca12fd9
MD5 SHA1 SHA512

Submit Download

StartupProfileData-NonInteractive

Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
Size 160B
SHA256 3aabf4a557a1ac98ef8c958e8d4713f50095da7cf0990916601154185b97e4ab
MD5 f627513846b59300a4320cf259658d17
SHA1 a55f6b0e1aea49d54c6cf17a0d3bd336de9f559a
SHA512 edf85ddff575a8c2bf7c3cc5e6d2338c278c533790d53990396cf027a16b0188c5d0e470d6d338078985259b3a6b235811e8324589ba742060461055c50a373a
MD5 SHA1 SHA512

Submit Download

4668ba6b-e8d9-4e92-aa95-d5c39503bc1b.vbs

Path C:\Users\Admin\AppData\Local\Temp\4668ba6b-e8d9-4e92-aa95-d5c39503bc1b.vbs
Size 764B
SHA256 f797a8f99f2ac5108a9b036edd716abedb01e9388a7fdcb2acef1ea31a377a0c
MD5 568a109dc3c55ef89c0121a5c69ab5a6
SHA1 e08d484b6058e766dbbb7d0c9ff6552f86f623a9
SHA512 0187c454d05cfd61efcf786126817c9c49029508b43ba9f1203ca9d2181bbc280acd1ead84d3eec0b5f29bffbed35e7b85af8b1e1a0e1345ea8dc0ab2672ce8f
MD5 SHA1 SHA512

Submit Download

79c66466-4867-4f8b-9491-eb19ef5eb9c9.vbs

Path C:\Users\Admin\AppData\Local\Temp\79c66466-4867-4f8b-9491-eb19ef5eb9c9.vbs
Size 764B
SHA256 dd0e25cae229d87e732482f68beca165d739e8d1df9b9273d83f369fdb2aeb0b
MD5 5545937ab9a14a8d82b3107db3683f4d
SHA1 75a3e3e28a082bf2d4f95e86e321ce1c95d22a9b
SHA512 98a16827d64d94ce6ea19110390f4a57f7c70ebac376481fc2f9ac1413e92625e1292ae3ea5cf0c4a63cd04022ca64664f6274bbab47cc12b7c83a6c37f7532b
MD5 SHA1 SHA512

Submit Download

8b84f11c-adc9-4d1a-8291-b9f3301bd6bd.vbs

Path C:\Users\Admin\AppData\Local\Temp\8b84f11c-adc9-4d1a-8291-b9f3301bd6bd.vbs
Size 765B
SHA256 eacc9509d2819d479bb59685e46b3be9e9ba8bbfe580705b4c0119dae0b2ec88
MD5 55a37f588010a07c77a91d595ceb2269
SHA1 f00e871e6238e5b0e87d615be645afa1e7e30121
SHA512 1d07d892a6c445b63ad9e11b50afbb37db791dc9da38a2d2512e2cd4241ef7be110d54001ba9bb63640d2c2fa3b46e0ba6045efff45e61f81f85ebdde0dcc028
MD5 SHA1 SHA512

Submit Download

DXL1DPV8uS.bat

Path C:\Users\Admin\AppData\Local\Temp\DXL1DPV8uS.bat
Size 254B
SHA256 ce9cfe6b75957c091c61f961108bc2e7591bc0f467bab4b2d60fb4819aa824a1
MD5 bda9a4e67ae66b258b8eae188e13b929
SHA1 fd0229964c23cc5cfd1e609c3ee95bbcff9c4b54
SHA512 f6dd82997f3184f02fb417d51cd51aa2eff8e51233505968ca1ed76d11f974b2fb02e9360ac857810fb4583474b5aa564a8aad8b292ddb08feb7a9a3f1cddd3f
MD5 SHA1 SHA512

Submit Download

__PSScriptPolicyTest_bslo3cgy.ygk.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_bslo3cgy.ygk.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
MD5 SHA1 SHA512

Submit Download

cee712ee-b514-4631-8a2c-41dc231c9ad0.vbs

Path C:\Users\Admin\AppData\Local\Temp\cee712ee-b514-4631-8a2c-41dc231c9ad0.vbs
Size 541B
SHA256 ab069441fa1cc9561a4ca7c78768af95760eb73d99ed794c6ea189e00b98b3cd
MD5 10390f1cf1ad0870554c49ec65807f2a
SHA1 63386fdc5539ab0dc71f0f107872af57a54921cc
SHA512 60f7201a69081d5361311de236aa5f488172ad2d043d4726f564493bdfd29d59f3798cb37448ddc5795a6527eea9b74f51925e0388aa4948fd816df7a585553f
MD5 SHA1 SHA512

Submit Download

Hyperdhcp.exe

Path C:\chainfontBroker\Hyperdhcp.exe
Size 3.5MB
SHA256 6f305ed7dd7503a5df720e384d391f64ce4d140a6586d0b6cf51c53a0ad1398e
MD5 cf789fca5122127a66a6ef3a9a24b549
SHA1 3ca37b33092c3467d7b802fd443da2185c04765f
SHA512 d133c439a1bbdd9c1faffef2c19b3201b59c9a9fdd8b53e841365aa2ea92986b1fb9d27e54b86ae03afa7fecf3ca568bd97db7edf47c6a2e2776e0313608f760
SSDEEP 49152:dU95+hcmMrWB/khAo9uGcaC/qjgzx+dpIRMJupzMWb547AVgR37pYMyMmOiIHv:i9XrQKAfX4dpxcDK7AiR3yWz/
MD5 SHA1 SHA512 SSDEEP

Submit Download

fo6T8oNFoLNkag45R4Dcasp.bat

Path C:\chainfontBroker\fo6T8oNFoLNkag45R4Dcasp.bat
Size 34B
SHA256 6fb6bdfb763e348c4962295201c7d6dcb281cbda602c5494679d7902aae0fff6
MD5 bc5b6d2b3456bfb587ead74269e976e5
SHA1 471d8f9fb448ed497808f66e8c2accff39e10439
SHA512 108c5473fbe22833ce3a54e3865410b75dba812dab9705ddba266eaf526079bab63dbd2857493399e4e994b6d529191c854e2f90ae330a4cf89d3e541ac07b7f
MD5 SHA1 SHA512

Submit Download

trc5nQ.vbe

Path C:\chainfontBroker\trc5nQ.vbe
Size 215B
SHA256 8980bcd5c15acbc8faea86b278912c6ff8037bb29321c73f2695416d59656ad4
MD5 dcab54f1a5eeac140b16f60640411272
SHA1 c5119d3c7e7b9cceab2893e79060415e01df3731
SHA512 10e10aff4aaf77f07949514ac360187a81e513d3a885ca75295800c5b82517def7fb7c4e10de38193a497e05df3bf8809006b8ec0cbc4a1c50c89a1694ee4a06
MD5 SHA1 SHA512

Submit Download

memory/396-114-0x000000001BDC0000-0x000000001BDD2000-memory.dmp

Download

memory/712-127-0x00000000032E0000-0x0000000003336000-memory.dmp

Download

memory/712-128-0x00000000018A0000-0x00000000018B2000-memory.dmp

Download

memory/3236-140-0x000000001B6A0000-0x000000001B6B2000-memory.dmp

Download

memory/3340-48-0x0000012A053A0000-0x0000012A053C2000-memory.dmp

Download

memory/4904-17-0x0000000002900000-0x000000000290A000-memory.dmp

Download

memory/4904-22-0x0000000002B30000-0x0000000002B38000-memory.dmp

Download

memory/4904-25-0x000000001B3D0000-0x000000001B3D8000-memory.dmp

Download

memory/4904-26-0x000000001B3F0000-0x000000001B3FC000-memory.dmp

Download

memory/4904-23-0x0000000002B40000-0x0000000002B4A000-memory.dmp

Download

memory/4904-24-0x000000001B3C0000-0x000000001B3CE000-memory.dmp

Download

memory/4904-21-0x000000001C190000-0x000000001C6B8000-memory.dmp

Download

memory/4904-20-0x0000000002920000-0x0000000002932000-memory.dmp

Download

memory/4904-19-0x0000000002910000-0x000000000291C000-memory.dmp

Download

memory/4904-18-0x000000001B320000-0x000000001B376000-memory.dmp

Download

memory/4904-16-0x00000000028E0000-0x00000000028F6000-memory.dmp

Download

memory/4904-15-0x0000000002930000-0x0000000002980000-memory.dmp

Download

memory/4904-14-0x00000000028C0000-0x00000000028DC000-memory.dmp

Download

memory/4904-13-0x0000000000340000-0x00000000006BC000-memory.dmp

Download

memory/4904-12-0x00007FFA52493000-0x00007FFA52495000-memory.dmp

Download