dcrat | 8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366

Analysis

max time kernel
136s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-11-2024 02:37

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General

Target

477DB3DE46B7779B63495A8BDB279F2C.exe
Size

1.6MB
MD5

477db3de46b7779b63495a8bdb279f2c
SHA1

77dc3f7d83728294c49298db82dd0e668adc3a73
SHA256

8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366
SHA512

4ac940fa7ce3c8a2a646639a5b00c5c8a1dcafcfba460782068446a321455cf5af10e1e6ae4e6753150beab7d2431a7c38192787b32c4e508b73f4b3ac843956
SSDEEP

24576:/KEYWAa5pLMzdFGZWWs5cRtb6kMgmrmtXVdaNjTXf3qtzdzkkJj6:/p1JAz5cjb6k4cFdaNjTXfa/

Score

10^/10

dcrat execution infostealer persistence rat

Malware Config

Signatures

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

Modifies WinLogon for persistence 2 TTPs 6 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\SppExtComObj.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\Users\\Public\\AccountPictures\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\Videos\\lsass.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\SppExtComObj.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\Users\\Public\\AccountPictures\\backgroundTaskHost.exe\", \"C:\\Users\\Admin\\Videos\\lsass.exe\", \"C:\\Users\\Admin\\AppData\\Local\\Temp\\477DB3DE46B7779B63495A8BDB279F2C.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\SppExtComObj.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\SppExtComObj.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\", \"C:\\Recovery\\WindowsRE\\SppExtComObj.exe\", \"C:\\Recovery\\WindowsRE\\taskhostw.exe\", \"C:\\Users\\Public\\AccountPictures\\backgroundTaskHost.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe

Process spawned unexpected child process 18 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4628	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	672	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1652	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5024	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	376	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3872	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4872	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3876	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2480	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3424	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1512	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3176	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2556	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3596	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2524	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3892	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1516	440	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3404	440	schtasks.exe	87

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
4148	powershell.exe
1760	powershell.exe
3660	powershell.exe
4088	powershell.exe
4080	powershell.exe
3588	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-1-5-21-2878641211-696417878-3864914810-1000\Control Panel\International\Geo\Nation	477DB3DE46B7779B63495A8BDB279F2C.exe

Executes dropped EXE 1 IoCs

pid	Process
1144	backgroundTaskHost.exe

Adds Run key to start application 2 TTPs 12 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Users\\Admin\\Videos\\lsass.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\477DB3DE46B7779B63495A8BDB279F2C = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\477DB3DE46B7779B63495A8BDB279F2C.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Recovery\\WindowsRE\\SppExtComObj.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\taskhostw = "\"C:\\Recovery\\WindowsRE\\taskhostw.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\Public\\AccountPictures\\backgroundTaskHost.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Users\\Admin\\Videos\\lsass.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\477DB3DE46B7779B63495A8BDB279F2C = "\"C:\\Users\\Admin\\AppData\\Local\\Temp\\477DB3DE46B7779B63495A8BDB279F2C.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dllhost = "\"C:\\Program Files (x86)\\MSBuild\\dllhost.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SppExtComObj = "\"C:\\Recovery\\WindowsRE\\SppExtComObj.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\backgroundTaskHost = "\"C:\\Users\\Public\\AccountPictures\\backgroundTaskHost.exe\""	477DB3DE46B7779B63495A8BDB279F2C.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	\??\c:\Windows\System32\CSC4508C8A3F77E43358ABAAB81273042C.TMP	csc.exe
File created	\??\c:\Windows\System32\-63gkj.exe	csc.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\WindowsApps\Microsoft.NET.Native.Framework.2.2_2.2.27405.0_x64__8wekyb3d8bbwe\fontdrvhost.exe	477DB3DE46B7779B63495A8BDB279F2C.exe
File created	C:\Program Files (x86)\MSBuild\dllhost.exe	477DB3DE46B7779B63495A8BDB279F2C.exe
File created	C:\Program Files (x86)\MSBuild\5940a34987c991	477DB3DE46B7779B63495A8BDB279F2C.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-1-5-21-2878641211-696417878-3864914810-1000_Classes\Local Settings	477DB3DE46B7779B63495A8BDB279F2C.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 18 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3892	schtasks.exe
2480	schtasks.exe
3596	schtasks.exe
3176	schtasks.exe
3876	schtasks.exe
3424	schtasks.exe
3872	schtasks.exe
4872	schtasks.exe
1512	schtasks.exe
2556	schtasks.exe
1516	schtasks.exe
3404	schtasks.exe
672	schtasks.exe
376	schtasks.exe
5024	schtasks.exe
2524	schtasks.exe
4628	schtasks.exe
1652	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
1960	477DB3DE46B7779B63495A8BDB279F2C.exe
4088	powershell.exe
4088	powershell.exe
1760	powershell.exe
1760	powershell.exe
3588	powershell.exe
3588	powershell.exe
4148	powershell.exe
4148	powershell.exe
3660	powershell.exe
3660	powershell.exe
4080	powershell.exe
4080	powershell.exe
4080	powershell.exe
4088	powershell.exe
4148	powershell.exe
3588	powershell.exe
1760	powershell.exe
3660	powershell.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe
1144	backgroundTaskHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1144	backgroundTaskHost.exe

Suspicious use of AdjustPrivilegeToken 8 IoCs

description	pid	Process
Token: SeDebugPrivilege	1960	477DB3DE46B7779B63495A8BDB279F2C.exe
Token: SeDebugPrivilege	4088	powershell.exe
Token: SeDebugPrivilege	1760	powershell.exe
Token: SeDebugPrivilege	3588	powershell.exe
Token: SeDebugPrivilege	4148	powershell.exe
Token: SeDebugPrivilege	3660	powershell.exe
Token: SeDebugPrivilege	4080	powershell.exe
Token: SeDebugPrivilege	1144	backgroundTaskHost.exe

Suspicious use of WriteProcessMemory 24 IoCs

description	pid	Process	procid_target
PID 1960 wrote to memory of 4792	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	91
PID 1960 wrote to memory of 4792	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	91
PID 4792 wrote to memory of 3320	4792	csc.exe	93
PID 4792 wrote to memory of 3320	4792	csc.exe	93
PID 1960 wrote to memory of 4080	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	109
PID 1960 wrote to memory of 4080	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	109
PID 1960 wrote to memory of 4088	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	110
PID 1960 wrote to memory of 4088	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	110
PID 1960 wrote to memory of 3660	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	111
PID 1960 wrote to memory of 3660	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	111
PID 1960 wrote to memory of 1760	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	112
PID 1960 wrote to memory of 1760	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	112
PID 1960 wrote to memory of 4148	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	113
PID 1960 wrote to memory of 4148	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	113
PID 1960 wrote to memory of 3588	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	114
PID 1960 wrote to memory of 3588	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	114
PID 1960 wrote to memory of 3980	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	121
PID 1960 wrote to memory of 3980	1960	477DB3DE46B7779B63495A8BDB279F2C.exe	121
PID 3980 wrote to memory of 4164	3980	cmd.exe	123
PID 3980 wrote to memory of 4164	3980	cmd.exe	123
PID 3980 wrote to memory of 888	3980	cmd.exe	124
PID 3980 wrote to memory of 888	3980	cmd.exe	124
PID 3980 wrote to memory of 1144	3980	cmd.exe	129
PID 3980 wrote to memory of 1144	3980	cmd.exe	129

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\477DB3DE46B7779B63495A8BDB279F2C.exe
"C:\Users\Admin\AppData\Local\Temp\477DB3DE46B7779B63495A8BDB279F2C.exe"
1⤵
- Modifies WinLogon for persistence
- Checks computer location settings
- Adds Run key to start application
- Drops file in Program Files directory
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1960
- C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe
  "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\gzu1yazh\gzu1yazh.cmdline"
  2⤵
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4792
- - C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe
    C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES8722.tmp" "c:\Windows\System32\CSC4508C8A3F77E43358ABAAB81273042C.TMP"
    3⤵
    PID:3320
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Program Files (x86)\MSBuild\dllhost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4080
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\SppExtComObj.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4088
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Recovery\WindowsRE\taskhostw.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3660
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Public\AccountPictures\backgroundTaskHost.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1760
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\Videos\lsass.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:4148
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell" -Command Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\477DB3DE46B7779B63495A8BDB279F2C.exe'
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3588
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\N4cv672T5z.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Windows\system32\chcp.com
    chcp 65001
    3⤵
    PID:4164
- - C:\Windows\system32\w32tm.exe
    w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
    3⤵
    PID:888
- - C:\Users\Public\AccountPictures\backgroundTaskHost.exe
    "C:\Users\Public\AccountPictures\backgroundTaskHost.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of AdjustPrivilegeToken
    PID:1144

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\MSBuild\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4628

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\MSBuild\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:672

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\MSBuild\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1652

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5024

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4872

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

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2480

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 9 /tr "'C:\Users\Public\AccountPictures\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3176

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\Public\AccountPictures\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1512

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Users\Public\AccountPictures\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3424

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Users\Admin\Videos\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Users\Admin\Videos\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 10 /tr "'C:\Users\Admin\Videos\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2524

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "477DB3DE46B7779B63495A8BDB279F2C4" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\AppData\Local\Temp\477DB3DE46B7779B63495A8BDB279F2C.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3892

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "477DB3DE46B7779B63495A8BDB279F2C" /sc ONLOGON /tr "'C:\Users\Admin\AppData\Local\Temp\477DB3DE46B7779B63495A8BDB279F2C.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "477DB3DE46B7779B63495A8BDB279F2C4" /sc MINUTE /mo 6 /tr "'C:\Users\Admin\AppData\Local\Temp\477DB3DE46B7779B63495A8BDB279F2C.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3404

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Program Files (x86)\MSBuild\dllhost.exe

Filesize
1.6MB

MD5
477db3de46b7779b63495a8bdb279f2c

SHA1
77dc3f7d83728294c49298db82dd0e668adc3a73

SHA256
8b0b6f7ba3c1c98fdc17ceb74e37057793e104dc92aa4d4319d71411b3e56366

SHA512
4ac940fa7ce3c8a2a646639a5b00c5c8a1dcafcfba460782068446a321455cf5af10e1e6ae4e6753150beab7d2431a7c38192787b32c4e508b73f4b3ac843956

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

Filesize
2KB

MD5
d85ba6ff808d9e5444a4b369f5bc2730

SHA1
31aa9d96590fff6981b315e0b391b575e4c0804a

SHA256
84739c608a73509419748e4e20e6cc4e1846056c3fe1929a8300d5a1a488202f

SHA512
8c414eb55b45212af385accc16d9d562adba2123583ce70d22b91161fe878683845512a78f04dedd4ea98ed9b174dbfa98cf696370598ad8e6fbd1e714f1f249

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

Filesize
944B

MD5
62623d22bd9e037191765d5083ce16a3

SHA1
4a07da6872672f715a4780513d95ed8ddeefd259

SHA256
95d79fd575bbd21540e378fcbc1cd00d16f51af62ce15bae7080bb72c24e2010

SHA512
9a448b7a0d867466c2ea04ab84d2a9485d5fd20ab53b2b854f491831ee3f1d781b94d2635f7b0b35cb9f2d373cd52c67570879a56a42ed66bc9db06962ed4992

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
2979eabc783eaca50de7be23dd4eafcf

SHA1
d709ce5f3a06b7958a67e20870bfd95b83cad2ea

SHA256
006cca90e78fbb571532a83082ac6712721a34ea4b21f490058ffb3f521f4903

SHA512
92bc433990572d9427d0c93eef9bd1cc23fa00ed60dd0c9c983d87d3421e02ce3f156c6f88fe916ef6782dbf185cbce083bc0094f8c527f302be6a37d1c53aba

Download Submit
C:\Users\Admin\AppData\Local\Temp\N4cv672T5z.bat

Filesize
230B

MD5
ee53f5157682f576f8cf8a995db6b98a

SHA1
53d6f70641e4f040459d7a85f545bf2ffdbff0e4

SHA256
ed6085a95e18aa2b575c667ee932600297535d2dcd08019c60ebd3e768446b08

SHA512
923773f0351393585c1b4000a19377dcf954585e1499d55b462876550ef80b010fa788dd3f00ecbce059cc0d3cc1224da006b2d4b7f6cb4364c94f4aa0b53904

Download Submit
C:\Users\Admin\AppData\Local\Temp\RES8722.tmp

Filesize
1KB

MD5
15350c0ccc8d78bfd64b23bf24bd2e27

SHA1
31689e190befb90d626962336645437024d66118

SHA256
c84e69b6db36b4bd24cdef652815c5a5d277307746f110e0129449397392d699

SHA512
218b7372b543f139826ff516f1c80211fc33b0e3ff8eedb29322d65b43143c94353031ebc3215041dbac1c89caa36c4f148659d0914346a6c82b55d9be760961

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0gdmvl1k.3bf.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\gzu1yazh\gzu1yazh.0.cs

Filesize
374B

MD5
c9d8a9ef8343477c3ec311f401ecc119

SHA1
f0bfb32340a652603f5ddec4d057396b62c3cce7

SHA256
1a1cacbe95b5f071647001aa1814f09bb43d6f14c6e522028fdb085f11d8927c

SHA512
8e1ce563e6f1d9603de6a7a6b8cc1ba3dacc82bf58eb1cbcaf34fef5eba4bda437c1e49699cb499bc45be1ad433f2e7bfafffc96cee2ae1b570950fc127c647f

Download Submit
\??\c:\Users\Admin\AppData\Local\Temp\gzu1yazh\gzu1yazh.cmdline

Filesize
235B

MD5
8ecd8fc73e55314e2fd2213c6bec9cbd

SHA1
36858a87f24155ff0c71d4c5f4bd8438884295c8

SHA256
40212d14336062562f81d8d00876413e63b19adb8b2199a0d634a2d56b8858b3

SHA512
0e4dec082d273be6eae1fd652c00ae29f314a2a71d6d431cc526bb8596203df7af61ac2953215841c3b11228f0e338b84042e3d5d8412bdf3a731506156b2c26

Download Submit
\??\c:\Windows\System32\CSC4508C8A3F77E43358ABAAB81273042C.TMP

Filesize
1KB

MD5
82a7b8ef3bc275711e3b27c6df93c7ff

SHA1
bdac909f26475c94c74145576bcf22adb0f8203c

SHA256
582921e5e6617cb736006c46c9c8576d8fdefb8763469bdbf305d52d298f6124

SHA512
f2100bca60280f6ad93f40254d6fe69bd9917a44973516874aa54c28042796503daac5c51869924f5ecd17615f461dda6441f479e1201c44ad07f5a7728af248

Download Submit
memory/1960-24-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-43-0x000000001C320000-0x000000001C4C9000-memory.dmp

Filesize
1.7MB

Download
memory/1960-25-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-23-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-16-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-10-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-9-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-0-0x00007FFC6E593000-0x00007FFC6E595000-memory.dmp

Filesize
8KB

Download
memory/1960-8-0x000000001BBA0000-0x000000001BBAC000-memory.dmp

Filesize
48KB

Download
memory/1960-44-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-1-0x0000000000CE0000-0x0000000000E8A000-memory.dmp

Filesize
1.7MB

Download
memory/1960-6-0x000000001BA90000-0x000000001BA9E000-memory.dmp

Filesize
56KB

Download
memory/1960-4-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-3-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/1960-2-0x00007FFC6E590000-0x00007FFC6F051000-memory.dmp

Filesize
10.8MB

Download
memory/4148-68-0x0000023226B00000-0x0000023226B22000-memory.dmp

Filesize
136KB

Download