dcrat | 18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e

Analysis

max time kernel
149s
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
02-10-2024 20:16

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

1954887cb3505d283c86d6e3379bb120.exe
Size

1.2MB
MD5

1954887cb3505d283c86d6e3379bb120
SHA1

ed20edd050b68986325e059240c6165736865db1
SHA256

18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e
SHA512

753a025ef237078c3e64c2795002038d5cfdba8ac9d74d368131031249a645ff99b0c992fff059315ed036068c56650ffab293424ac02c33366d422e8ea2752e
SSDEEP

24576:N8iAvkij/9iCaMtOT41VtCP3J0QbFUoKbScbIf4v7CUet7GKf3VL/iab:NJaYCRX1VcPujXWqKJ

Score

10^/10

dcrat execution infostealer persistence rat spyware stealer

Malware Config

Signatures

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 8 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:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\", \"C:\\Windows\\de-DE\\SppExtComObj.exe\", \"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\", \"C:\\Windows\\Downloaded Program Files\\dwm.exe\", \"C:\\Users\\Admin\\My Documents\\explorer.exe\", \"C:\\Windows\\InputMethod\\CHT\\OfficeClickToRun.exe\", \"C:\\Users\\Default\\dllhost.exe\", \"C:\\Program Files (x86)\\Windows Photo Viewer\\sppsvc.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\", \"C:\\Windows\\de-DE\\SppExtComObj.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\", \"C:\\Windows\\de-DE\\SppExtComObj.exe\", \"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\", \"C:\\Windows\\de-DE\\SppExtComObj.exe\", \"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\", \"C:\\Windows\\Downloaded Program Files\\dwm.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\", \"C:\\Windows\\de-DE\\SppExtComObj.exe\", \"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\", \"C:\\Windows\\Downloaded Program Files\\dwm.exe\", \"C:\\Users\\Admin\\My Documents\\explorer.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\", \"C:\\Windows\\de-DE\\SppExtComObj.exe\", \"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\", \"C:\\Windows\\Downloaded Program Files\\dwm.exe\", \"C:\\Users\\Admin\\My Documents\\explorer.exe\", \"C:\\Windows\\InputMethod\\CHT\\OfficeClickToRun.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\", \"C:\\Windows\\de-DE\\SppExtComObj.exe\", \"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\", \"C:\\Windows\\Downloaded Program Files\\dwm.exe\", \"C:\\Users\\Admin\\My Documents\\explorer.exe\", \"C:\\Windows\\InputMethod\\CHT\\OfficeClickToRun.exe\", \"C:\\Users\\Default\\dllhost.exe\""	1954887cb3505d283c86d6e3379bb120.exe

Process spawned unexpected child process 24 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	1520	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3416	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	972	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	852	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1020	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1592	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4664	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4952	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3664	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4592	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3028	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4956	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	512	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3152	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	436	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3768	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3740	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2080	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2336	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2232	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2020	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2036	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3796	3812	schtasks.exe	82
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2748	3812	schtasks.exe	82

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/3256-1-0x00000000000F0000-0x0000000000234000-memory.dmp	dcrat
behavioral2/files/0x0007000000023415-16.dat	dcrat

Command and Scripting Interpreter: PowerShell 1 TTPs 9 IoCs

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

execution

PowerShell

T1059.001

pid	Process
1728	powershell.exe
2012	powershell.exe
3908	powershell.exe
208	powershell.exe
2924	powershell.exe
2252	powershell.exe
4152	powershell.exe
1476	powershell.exe
4992	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-1-5-21-2718105630-359604950-2820636825-1000\Control Panel\International\Geo\Nation	1954887cb3505d283c86d6e3379bb120.exe

Executes dropped EXE 1 IoCs

pid	Process
3680	OfficeClickToRun.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 16 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Windows\\de-DE\\SppExtComObj.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Users\\Admin\\My Documents\\explorer.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Windows\\InputMethod\\CHT\\OfficeClickToRun.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Windows\\Downloaded Program Files\\dwm.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Program Files (x86)\\Windows Photo Viewer\\sppsvc.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\sppsvc = "\"C:\\Program Files (x86)\\Windows Photo Viewer\\sppsvc.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\StartMenuExperienceHost = "\"C:\\Program Files (x86)\\Reference Assemblies\\Microsoft\\Framework\\StartMenuExperienceHost.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Windows\\de-DE\\SppExtComObj.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\Windows\\Downloaded Program Files\\dwm.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Users\\Admin\\My Documents\\explorer.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\System = "\"C:\\Program Files\\Internet Explorer\\ja-JP\\System.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\OfficeClickToRun = "\"C:\\Windows\\InputMethod\\CHT\\OfficeClickToRun.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2718105630-359604950-2820636825-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Default\\dllhost.exe\""	1954887cb3505d283c86d6e3379bb120.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Users\\Default\\dllhost.exe\""	1954887cb3505d283c86d6e3379bb120.exe

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files\Internet Explorer\ja-JP\System.exe	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Program Files\Internet Explorer\ja-JP\27d1bcfc3c54e0	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\sppsvc.exe	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Program Files (x86)\Windows Photo Viewer\0a1fd5f707cd16	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\StartMenuExperienceHost.exe	1954887cb3505d283c86d6e3379bb120.exe
File opened for modification	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\StartMenuExperienceHost.exe	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\55b276f4edf653	1954887cb3505d283c86d6e3379bb120.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\de-DE\e1ef82546f0b02	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Windows\Downloaded Program Files\dwm.exe	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Windows\Downloaded Program Files\6cb0b6c459d5d3	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Windows\InputMethod\CHT\OfficeClickToRun.exe	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Windows\InputMethod\CHT\e6c9b481da804f	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Windows\Boot\PCAT\es-MX\MusNotification.exe	1954887cb3505d283c86d6e3379bb120.exe
File created	C:\Windows\de-DE\SppExtComObj.exe	1954887cb3505d283c86d6e3379bb120.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-1-5-21-2718105630-359604950-2820636825-1000_Classes\Local Settings	1954887cb3505d283c86d6e3379bb120.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 24 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
2336	schtasks.exe
2020	schtasks.exe
1520	schtasks.exe
3416	schtasks.exe
4956	schtasks.exe
3152	schtasks.exe
3740	schtasks.exe
2232	schtasks.exe
2036	schtasks.exe
852	schtasks.exe
1020	schtasks.exe
1592	schtasks.exe
436	schtasks.exe
972	schtasks.exe
512	schtasks.exe
3768	schtasks.exe
3028	schtasks.exe
2080	schtasks.exe
3796	schtasks.exe
2748	schtasks.exe
4664	schtasks.exe
4952	schtasks.exe
3664	schtasks.exe
4592	schtasks.exe

Suspicious behavior: EnumeratesProcesses 47 IoCs

pid	Process
3256	1954887cb3505d283c86d6e3379bb120.exe
3256	1954887cb3505d283c86d6e3379bb120.exe
3256	1954887cb3505d283c86d6e3379bb120.exe
3256	1954887cb3505d283c86d6e3379bb120.exe
3256	1954887cb3505d283c86d6e3379bb120.exe
3256	1954887cb3505d283c86d6e3379bb120.exe
3256	1954887cb3505d283c86d6e3379bb120.exe
1728	powershell.exe
4152	powershell.exe
4152	powershell.exe
2924	powershell.exe
2924	powershell.exe
2012	powershell.exe
2012	powershell.exe
3908	powershell.exe
3908	powershell.exe
208	powershell.exe
208	powershell.exe
4992	powershell.exe
4992	powershell.exe
2252	powershell.exe
2252	powershell.exe
3908	powershell.exe
1476	powershell.exe
1476	powershell.exe
1728	powershell.exe
1728	powershell.exe
4152	powershell.exe
2924	powershell.exe
2012	powershell.exe
2252	powershell.exe
208	powershell.exe
4992	powershell.exe
1476	powershell.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe
3680	OfficeClickToRun.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3680	OfficeClickToRun.exe

Suspicious use of AdjustPrivilegeToken 11 IoCs

description	pid	Process
Token: SeDebugPrivilege	3256	1954887cb3505d283c86d6e3379bb120.exe
Token: SeDebugPrivilege	1728	powershell.exe
Token: SeDebugPrivilege	4152	powershell.exe
Token: SeDebugPrivilege	2924	powershell.exe
Token: SeDebugPrivilege	2012	powershell.exe
Token: SeDebugPrivilege	3908	powershell.exe
Token: SeDebugPrivilege	208	powershell.exe
Token: SeDebugPrivilege	4992	powershell.exe
Token: SeDebugPrivilege	2252	powershell.exe
Token: SeDebugPrivilege	1476	powershell.exe
Token: SeDebugPrivilege	3680	OfficeClickToRun.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 3256 wrote to memory of 1476	3256	1954887cb3505d283c86d6e3379bb120.exe	107
PID 3256 wrote to memory of 1476	3256	1954887cb3505d283c86d6e3379bb120.exe	107
PID 3256 wrote to memory of 1728	3256	1954887cb3505d283c86d6e3379bb120.exe	108
PID 3256 wrote to memory of 1728	3256	1954887cb3505d283c86d6e3379bb120.exe	108
PID 3256 wrote to memory of 2012	3256	1954887cb3505d283c86d6e3379bb120.exe	109
PID 3256 wrote to memory of 2012	3256	1954887cb3505d283c86d6e3379bb120.exe	109
PID 3256 wrote to memory of 4992	3256	1954887cb3505d283c86d6e3379bb120.exe	110
PID 3256 wrote to memory of 4992	3256	1954887cb3505d283c86d6e3379bb120.exe	110
PID 3256 wrote to memory of 4152	3256	1954887cb3505d283c86d6e3379bb120.exe	111
PID 3256 wrote to memory of 4152	3256	1954887cb3505d283c86d6e3379bb120.exe	111
PID 3256 wrote to memory of 2252	3256	1954887cb3505d283c86d6e3379bb120.exe	113
PID 3256 wrote to memory of 2252	3256	1954887cb3505d283c86d6e3379bb120.exe	113
PID 3256 wrote to memory of 2924	3256	1954887cb3505d283c86d6e3379bb120.exe	114
PID 3256 wrote to memory of 2924	3256	1954887cb3505d283c86d6e3379bb120.exe	114
PID 3256 wrote to memory of 208	3256	1954887cb3505d283c86d6e3379bb120.exe	115
PID 3256 wrote to memory of 208	3256	1954887cb3505d283c86d6e3379bb120.exe	115
PID 3256 wrote to memory of 3908	3256	1954887cb3505d283c86d6e3379bb120.exe	116
PID 3256 wrote to memory of 3908	3256	1954887cb3505d283c86d6e3379bb120.exe	116
PID 3256 wrote to memory of 3412	3256	1954887cb3505d283c86d6e3379bb120.exe	124
PID 3256 wrote to memory of 3412	3256	1954887cb3505d283c86d6e3379bb120.exe	124
PID 3412 wrote to memory of 4024	3412	cmd.exe	127
PID 3412 wrote to memory of 4024	3412	cmd.exe	127
PID 3412 wrote to memory of 3680	3412	cmd.exe	128
PID 3412 wrote to memory of 3680	3412	cmd.exe	128

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\1954887cb3505d283c86d6e3379bb120.exe
"C:\Users\Admin\AppData\Local\Temp\1954887cb3505d283c86d6e3379bb120.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3256
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\1954887cb3505d283c86d6e3379bb120.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1476
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\StartMenuExperienceHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1728
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\de-DE\SppExtComObj.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2012
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files\Internet Explorer\ja-JP\System.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4992
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\Downloaded Program Files\dwm.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4152
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\My Documents\explorer.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2252
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Windows\InputMethod\CHT\OfficeClickToRun.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2924
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Default\dllhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:208
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\Windows Photo Viewer\sppsvc.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3908
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\GahBWQD1kW.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3412
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:4024
- - C:\Windows\InputMethod\CHT\OfficeClickToRun.exe
    "C:\Windows\InputMethod\CHT\OfficeClickToRun.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:3680

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\StartMenuExperienceHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1520

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3416

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Reference Assemblies\Microsoft\Framework\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:972

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 12 /tr "'C:\Windows\de-DE\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:852

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Windows\de-DE\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1020

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 10 /tr "'C:\Windows\de-DE\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 7 /tr "'C:\Program Files\Internet Explorer\ja-JP\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4664

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Program Files\Internet Explorer\ja-JP\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4952

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 13 /tr "'C:\Program Files\Internet Explorer\ja-JP\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3664

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 12 /tr "'C:\Windows\Downloaded Program Files\dwm.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\Windows\Downloaded Program Files\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\Windows\Downloaded Program Files\dwm.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4956

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\My Documents\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:512

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Users\Admin\My Documents\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3152

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\My Documents\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:436

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\Windows\InputMethod\CHT\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3768

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Windows\InputMethod\CHT\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3740

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 10 /tr "'C:\Windows\InputMethod\CHT\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Users\Default\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2336

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2232

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Users\Default\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2020

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Windows Photo Viewer\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2036

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Photo Viewer\sppsvc.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 "sppsvcs" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Photo Viewer\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2748

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

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

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
6d42b6da621e8df5674e26b799c8e2aa

SHA1
ab3ce1327ea1eeedb987ec823d5e0cb146bafa48

SHA256
5ab6a1726f425c6d0158f55eb8d81754ddedd51e651aa0a899a29b7a58619c4c

SHA512
53faffbda8a835bc1143e894c118c15901a5fd09cfc2224dd2f754c06dc794897315049a579b9a8382d4564f071576045aaaf824019b7139d939152dca38ce29

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

Filesize
944B

MD5
cadef9abd087803c630df65264a6c81c

SHA1
babbf3636c347c8727c35f3eef2ee643dbcc4bd2

SHA256
cce65b73cdfe9304bcd5207913e8b60fb69faa20cd3b684f2b0343b755b99438

SHA512
7278aa87124abb382d9024a645e881e7b7cf1b84e8894943b36e018dbf0399e6858392f77980b599fa5488e2e21bf757a0702fe6419417edac93b68e0c2ec085

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\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

Filesize
944B

MD5
2e907f77659a6601fcc408274894da2e

SHA1
9f5b72abef1cd7145bf37547cdb1b9254b4efe9d

SHA256
385da35673330e21ac02545220552fe301fe54dedefbdafc097ac4342a295233

SHA512
34fa0fff24f6550f55f828541aaefe5d75c86f8f0842d54b50065e9746f9662bb7209c74c9a9571540b9855bb3851f01db613190024e89b198d485bb5dc07721

Download Submit
C:\Users\Admin\AppData\Local\Temp\GahBWQD1kW.bat

Filesize
212B

MD5
504b8765834c2745d515c6814008d70a

SHA1
898aa00893d063e87424ded0bcacceff6cecb0af

SHA256
94f0fe73a3f520e4984b5ae4640e1aa337b71f46c9da305560b3e0a6b887ae5c

SHA512
f51660ec8b8d3ea126825ef1a6134ff5b8318a472ca2489621dcaa03886c93287cb454a04f02d0be45a21c92596f5457d7aaa018a859e9b9ce77551fc6c4a5a6

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_hl3nnog5.5hs.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
C:\Users\Admin\Documents\explorer.exe

Filesize
1.2MB

MD5
1954887cb3505d283c86d6e3379bb120

SHA1
ed20edd050b68986325e059240c6165736865db1

SHA256
18851c5ea81a956ba94aa1df173349b05bb45865fe09bec6bf7e069ce6100f2e

SHA512
753a025ef237078c3e64c2795002038d5cfdba8ac9d74d368131031249a645ff99b0c992fff059315ed036068c56650ffab293424ac02c33366d422e8ea2752e

Download Submit
memory/208-137-0x000002A52D580000-0x000002A52D79C000-memory.dmp

Filesize
2.1MB

Download
memory/1476-140-0x0000021A34AB0000-0x0000021A34CCC000-memory.dmp

Filesize
2.1MB

Download
memory/1728-119-0x0000029742430000-0x000002974264C000-memory.dmp

Filesize
2.1MB

Download
memory/2012-134-0x00000269DBA40000-0x00000269DBC5C000-memory.dmp

Filesize
2.1MB

Download
memory/2252-127-0x00000278B4A10000-0x00000278B4C2C000-memory.dmp

Filesize
2.1MB

Download
memory/2924-133-0x00000161A6EA0000-0x00000161A70BC000-memory.dmp

Filesize
2.1MB

Download
memory/3256-5-0x0000000002350000-0x0000000002366000-memory.dmp

Filesize
88KB

Download
memory/3256-46-0x00007FFBA6ED0000-0x00007FFBA7991000-memory.dmp

Filesize
10.8MB

Download
memory/3256-6-0x0000000002370000-0x000000000237E000-memory.dmp

Filesize
56KB

Download
memory/3256-7-0x0000000002380000-0x000000000238C000-memory.dmp

Filesize
48KB

Download
memory/3256-0-0x00007FFBA6ED3000-0x00007FFBA6ED5000-memory.dmp

Filesize
8KB

Download
memory/3256-4-0x000000001B000000-0x000000001B050000-memory.dmp

Filesize
320KB

Download
memory/3256-3-0x0000000002330000-0x000000000234C000-memory.dmp

Filesize
112KB

Download
memory/3256-2-0x00007FFBA6ED0000-0x00007FFBA7991000-memory.dmp

Filesize
10.8MB

Download
memory/3256-1-0x00000000000F0000-0x0000000000234000-memory.dmp

Filesize
1.3MB

Download
memory/3908-115-0x0000024EB17D0000-0x0000024EB19EC000-memory.dmp

Filesize
2.1MB

Download
memory/3908-40-0x0000024EB1B20000-0x0000024EB1B42000-memory.dmp

Filesize
136KB

Download
memory/4152-122-0x0000028EEF8F0000-0x0000028EEFB0C000-memory.dmp

Filesize
2.1MB

Download
memory/4992-128-0x000001B9B80D0000-0x000001B9B82EC000-memory.dmp

Filesize
2.1MB

Download