dcrat | 9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c

Analysis

max time kernel
150s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
23/07/2024, 03:01

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General

Target
9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Size 3.0MB
Sample240723-dhxbkavank
SHA256 9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c
MD5 3def0ae25d7785e4155d73639281c783
SHA1 83e0bd5e952c0d8501f0bae856ad057d2d66f933
SHA512 beac32faa42d72af9eb64977c2ed8aa30ec0d78a3319a758378a6c407a951919a9539b22b2595f91953b25109bd185e33798c09590c9fbbfee7618771ad1edf4
SSDEEP 49152:Mj0QvSoTm+SLllhsAKVSPwAk6roAIJiUhykd8zKflQ5TpweOBw7bMoc52Sf0:MpacpSLllnKsPfxro1hh9ApQ+br0nf0
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dcrat evasion infostealer rat spyware stealer 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 30 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	2936	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2840	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3288	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2980	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	692	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1172	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4220	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3800	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4064	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4304	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4976	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2140	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3040	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3252	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2236	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3368	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2204	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4596	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2904	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1540	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3668	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2196	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4940	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2856	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1944	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4868	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3380	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2340	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1056	3012	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1372	3012	schtasks.exe	87

UAC bypass 3 TTPs 6 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\EnableLUA = "0"	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	backgroundTaskHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	backgroundTaskHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	backgroundTaskHost.exe

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/2604-1-0x0000000000A40000-0x0000000000D46000-memory.dmp	dcrat
behavioral2/files/0x0007000000023456-40.dat	dcrat

Checks computer location settings 2 TTPs 2 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1750093773-264148664-1320403265-1000\Control Panel\International\Geo\Nation	backgroundTaskHost.exe

Executes dropped EXE 1 IoCs

pid	Process
640	backgroundTaskHost.exe

Reads user/profile data of web browsers 2 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

Checks whether UAC is enabled 1 TTPs 4 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	backgroundTaskHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	backgroundTaskHost.exe

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
22	ipinfo.io
24	ipinfo.io

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\ModifiableWindowsApps\lsass.exe	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\winlogon.exe	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
File created	C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\cc11b995f2a76d	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\fr-FR\dllhost.exe	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
File opened for modification	C:\Windows\fr-FR\dllhost.exe	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
File created	C:\Windows\fr-FR\5940a34987c991	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
File created	C:\Windows\bcastdvr\backgroundTaskHost.exe	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
File created	C:\Windows\bcastdvr\eddb19405b7ce1	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.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-1-5-21-1750093773-264148664-1320403265-1000_Classes\Local Settings	backgroundTaskHost.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 30 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3252	schtasks.exe
2204	schtasks.exe
4940	schtasks.exe
2856	schtasks.exe
1944	schtasks.exe
3380	schtasks.exe
4064	schtasks.exe
3368	schtasks.exe
2904	schtasks.exe
692	schtasks.exe
4596	schtasks.exe
4868	schtasks.exe
1372	schtasks.exe
2936	schtasks.exe
3040	schtasks.exe
3668	schtasks.exe
3288	schtasks.exe
4220	schtasks.exe
2140	schtasks.exe
1056	schtasks.exe
2980	schtasks.exe
3800	schtasks.exe
4304	schtasks.exe
2840	schtasks.exe
1172	schtasks.exe
4976	schtasks.exe
1540	schtasks.exe
2196	schtasks.exe
2236	schtasks.exe
2340	schtasks.exe

Suspicious behavior: EnumeratesProcesses 64 IoCs

pid	Process
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe
640	backgroundTaskHost.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
640	backgroundTaskHost.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

description	pid	Process
Token: SeDebugPrivilege	2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Token: SeDebugPrivilege	640	backgroundTaskHost.exe
Token: SeBackupPrivilege	4360	vssvc.exe
Token: SeRestorePrivilege	4360	vssvc.exe
Token: SeAuditPrivilege	4360	vssvc.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2604 wrote to memory of 640	2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe	118
PID 2604 wrote to memory of 640	2604	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe	118
PID 640 wrote to memory of 2884	640	backgroundTaskHost.exe	122
PID 640 wrote to memory of 2884	640	backgroundTaskHost.exe	122
PID 640 wrote to memory of 4656	640	backgroundTaskHost.exe	123
PID 640 wrote to memory of 4656	640	backgroundTaskHost.exe	123

System policy modification 1 TTPs 6 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	backgroundTaskHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\ConsentPromptBehaviorAdmin = "0"	backgroundTaskHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\PromptOnSecureDesktop = "0"	backgroundTaskHost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.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
Uses Volume Shadow Copy service COM API
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

C:\Users\Admin\AppData\Local\Temp\9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe
"C:\Users\Admin\AppData\Local\Temp\9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c.exe"
1⤵
- UAC bypass
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- System policy modification
PID:2604
- C:\Windows\bcastdvr\backgroundTaskHost.exe
  "C:\Windows\bcastdvr\backgroundTaskHost.exe"
  2⤵
  - UAC bypass
  - Checks computer location settings
  - Executes dropped EXE
  - Checks whether UAC is enabled
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - System policy modification
  PID:640
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\49cc7530-7eba-461c-beff-e962e3b05f6d.vbs"
    3⤵
    PID:2884
- - C:\Windows\System32\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\07c398ec-8f56-4175-bc5e-db07b4966f77.vbs"
    3⤵
    PID:4656

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Windows\fr-FR\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2936

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\fr-FR\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2840

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Windows\fr-FR\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3288

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2980

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\sihost.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 "backgroundTaskHostb" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4220

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3800

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 5 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4304

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4976

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\Install\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2140

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3252

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2236

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\winlogon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3368

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogon" /sc ONLOGON /tr "'C:\Users\Default User\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "winlogonw" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\winlogon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 6 /tr "'C:\Windows\bcastdvr\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2904

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Windows\bcastdvr\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1540

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 5 /tr "'C:\Windows\bcastdvr\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3668

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 13 /tr "'C:\Users\Default\sihost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2196

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihost" /sc ONLOGON /tr "'C:\Users\Default\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4940

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sihosts" /sc MINUTE /mo 5 /tr "'C:\Users\Default\sihost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2856

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1944

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4868

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3380

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 5 /tr "'C:\Users\All Users\ssh\spoolsv.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2340

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Users\All Users\ssh\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\ssh\spoolsv.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1372

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4360

C:\Windows\system32\wbem\WmiApSrv.exe
C:\Windows\system32\wbem\WmiApSrv.exe
1⤵
PID:1688

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

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

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

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Downloads

backgroundTaskHost.exe

Path C:\Recovery\WindowsRE\backgroundTaskHost.exe
Size 3.0MB
SHA256 9c8937d1ffc2a8ce23cbaddaa9e8b046d1460fc684d05b609fec3514ab14c39c
MD5 3def0ae25d7785e4155d73639281c783
SHA1 83e0bd5e952c0d8501f0bae856ad057d2d66f933
SHA512 beac32faa42d72af9eb64977c2ed8aa30ec0d78a3319a758378a6c407a951919a9539b22b2595f91953b25109bd185e33798c09590c9fbbfee7618771ad1edf4
SSDEEP 49152:Mj0QvSoTm+SLllhsAKVSPwAk6roAIJiUhykd8zKflQ5TpweOBw7bMoc52Sf0:MpacpSLllnKsPfxro1hh9ApQ+br0nf0
MD5 SHA1 SHA512 SSDEEP

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07c398ec-8f56-4175-bc5e-db07b4966f77.vbs

Path C:\Users\Admin\AppData\Local\Temp\07c398ec-8f56-4175-bc5e-db07b4966f77.vbs
Size 494B
SHA256 360f70060224ce3fc20edccaec315c3fb5b52ce79568b0deaa7488f65b777006
MD5 66e7b2454fbdcb567abc2bb27988612a
SHA1 6fa81889accb9e4a33071174b32eb3e99da40746
SHA512 f93cabb5e048a1f2bdfc51e20d6f9c5f8a4713f3c20cd8421fdddc933e822f9f3d0e531b5915fd16b92c0de34568a2d7460b4d423f6f090f7e924d773044f5b9
MD5 SHA1 SHA512

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49cc7530-7eba-461c-beff-e962e3b05f6d.vbs

Path C:\Users\Admin\AppData\Local\Temp\49cc7530-7eba-461c-beff-e962e3b05f6d.vbs
Size 717B
SHA256 8eb7d898eec450f2a9118153ae1c6c666c1a086d7c844054b6bbec18b82dd81f
MD5 8fb56b7b16c95ee694aef3a3b7311ffb
SHA1 783163b037aaa59585ab8906ae5091e2c5509df5
SHA512 635c7f65a9823f472fbba7491e2c3a8fae445c45397d67387833c5c8d46b7cf4c9667de2fde2dd87519b3b58bc8b36f4599c65b69e936dbfd14cdf10cfe8340e
MD5 SHA1 SHA512

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memory/2604-17-0x000000001B9E0000-0x000000001B9E8000-memory.dmp

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memory/2604-20-0x000000001BA20000-0x000000001BA2C000-memory.dmp

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memory/2604-4-0x0000000002F70000-0x0000000002F78000-memory.dmp

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memory/2604-6-0x000000001B910000-0x000000001B960000-memory.dmp

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memory/2604-11-0x000000001B8E0000-0x000000001B8E8000-memory.dmp

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memory/2604-10-0x0000000002FC0000-0x0000000002FCC000-memory.dmp

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memory/2604-9-0x000000001B8C0000-0x000000001B8D6000-memory.dmp

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memory/2604-8-0x0000000002FB0000-0x0000000002FC0000-memory.dmp

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memory/2604-7-0x0000000002FA0000-0x0000000002FA8000-memory.dmp

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memory/2604-12-0x000000001B960000-0x000000001B96A000-memory.dmp

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memory/2604-13-0x000000001B980000-0x000000001B9D6000-memory.dmp

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memory/2604-14-0x000000001B8F0000-0x000000001B8FC000-memory.dmp

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memory/2604-16-0x000000001B9D0000-0x000000001B9DC000-memory.dmp

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memory/2604-15-0x000000001B900000-0x000000001B908000-memory.dmp

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memory/2604-18-0x000000001B9F0000-0x000000001BA02000-memory.dmp

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memory/2604-0-0x00007FF983703000-0x00007FF983705000-memory.dmp

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memory/2604-5-0x0000000002F80000-0x0000000002F9C000-memory.dmp

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memory/2604-21-0x000000001BA30000-0x000000001BA3C000-memory.dmp

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memory/2604-19-0x000000001C6A0000-0x000000001CBC8000-memory.dmp

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memory/2604-22-0x000000001BA40000-0x000000001BA4C000-memory.dmp

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memory/2604-24-0x000000001C270000-0x000000001C27A000-memory.dmp

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memory/2604-25-0x000000001C280000-0x000000001C28E000-memory.dmp

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memory/2604-28-0x000000001C3B0000-0x000000001C3BC000-memory.dmp

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memory/2604-29-0x000000001C3C0000-0x000000001C3C8000-memory.dmp

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memory/2604-27-0x000000001C3A0000-0x000000001C3A8000-memory.dmp

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memory/2604-26-0x000000001C390000-0x000000001C398000-memory.dmp

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memory/2604-23-0x000000001BA50000-0x000000001BA58000-memory.dmp

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memory/2604-30-0x000000001C3D0000-0x000000001C3DA000-memory.dmp

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memory/2604-31-0x000000001C3E0000-0x000000001C3EC000-memory.dmp

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memory/2604-3-0x0000000002F60000-0x0000000002F6E000-memory.dmp

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memory/2604-63-0x00007FF983700000-0x00007FF9841C1000-memory.dmp

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memory/2604-2-0x00007FF983700000-0x00007FF9841C1000-memory.dmp

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memory/2604-1-0x0000000000A40000-0x0000000000D46000-memory.dmp

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