dcrat | 61cbb21bcc559a88d2e8365d6a2abb738faf56acd0e0b2f259235621d14fd71b

Analysis

max time kernel
135s
max time network
140s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-10-2024 20:33

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General

Target

{VKK+KODS}/vkk.exe
Size

653KB
MD5

91bd6c254ee87e5c67ec306277cd4aaa
SHA1

a7c343316582f0bbd25f23c6a082d0061f0e560b
SHA256

878683a67bb95a2a2917b57b9a737ae1f085fcb8950b212c3a28884abf9c1a34
SHA512

1159b53efc6bc16376504f87e4717ad630b094b3f33ae135409f27296ff2e2fc2e9f9aa21908c2789b7b094deafdbb247925a3691cb1a5bd1fc3a87fda9a7824
SSDEEP

12288:nRZ+IoG/n9IQxW3OBsegHibt32N7oqcLCf8VI3WYwSTdxjZQ:P2G/nvxW3Wu0t32VCk3WY1xju

Score

10^/10

dcrat discovery infostealer 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

Process spawned unexpected child process 42 IoCs

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

Processes:

schtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exeschtasks.exe

description	pid	pid_target	Process	procid_target
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2408	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4196	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3920	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	396	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3212	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5112	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1544	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2608	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3204	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5012	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2272	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1296	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5028	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3080	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2088	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4728	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1516	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	244	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	872	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2104	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2596	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1428	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1404	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1440	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4508	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	656	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4276	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4560	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5000	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3916	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	220	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2040	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2472	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1840	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4692	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1480	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4288	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3464	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4680	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1300	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4496	3948	schtasks.exe	94
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3356	3948	schtasks.exe	94

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

Processes:

resource	yara_rule
behavioral4/files/0x0007000000023cb0-9.dat	dcrat
behavioral4/memory/1592-13-0x00000000003D0000-0x0000000000426000-memory.dmp	dcrat

Checks computer location settings 2 TTPs 3 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

Processes:

BridgeMsDll.exevkk.exeWScript.exe

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	BridgeMsDll.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	vkk.exe
Key value queried	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\Control Panel\International\Geo\Nation	WScript.exe

Executes dropped EXE 2 IoCs

Processes:

BridgeMsDll.execmd.exe

pid	Process
1592	BridgeMsDll.exe
4440	cmd.exe

Drops file in Program Files directory 10 IoCs

Processes:

BridgeMsDll.exe

description	ioc	Process
File created	C:\Program Files (x86)\Windows Defender\es-ES\dllhost.exe	BridgeMsDll.exe
File opened for modification	C:\Program Files (x86)\Windows Defender\es-ES\dllhost.exe	BridgeMsDll.exe
File created	C:\Program Files (x86)\Windows Media Player\es-ES\Idle.exe	BridgeMsDll.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\StartMenuExperienceHost.exe	BridgeMsDll.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\en-US\dllhost.exe	BridgeMsDll.exe
File created	C:\Program Files (x86)\Windows Defender\es-ES\5940a34987c991	BridgeMsDll.exe
File created	C:\Program Files (x86)\Windows Media Player\es-ES\6ccacd8608530f	BridgeMsDll.exe
File created	C:\Program Files (x86)\Windows Media Player\Icons\csrss.exe	BridgeMsDll.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\55b276f4edf653	BridgeMsDll.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\en-US\5940a34987c991	BridgeMsDll.exe

Drops file in Windows directory 12 IoCs

Processes:

BridgeMsDll.exe

description	ioc	Process
File created	C:\Windows\AppReadiness\7a0fd90576e088	BridgeMsDll.exe
File created	C:\Windows\Tasks\taskhostw.exe	BridgeMsDll.exe
File created	C:\Windows\Tasks\ea9f0e6c9e2dcd	BridgeMsDll.exe
File created	C:\Windows\IME\IMEJP\help\RuntimeBroker.exe	BridgeMsDll.exe
File created	C:\Windows\AppReadiness\RuntimeBroker.exe	BridgeMsDll.exe
File created	C:\Windows\AppReadiness\explorer.exe	BridgeMsDll.exe
File created	C:\Windows\assembly\GAC_MSIL\6203df4a6bafc7	BridgeMsDll.exe
File created	C:\Windows\WinSxS\msil_microsoft.powershel..ctivities.resources_31bf3856ad364e35_10.0.19041.1_es-es_9dca9e0264b98733\RuntimeBroker.exe	BridgeMsDll.exe
File created	C:\Windows\IME\IMEJP\help\9e8d7a4ca61bd9	BridgeMsDll.exe
File created	C:\Windows\WaaS\tasks\upfc.exe	BridgeMsDll.exe
File created	C:\Windows\AppReadiness\9e8d7a4ca61bd9	BridgeMsDll.exe
File created	C:\Windows\assembly\GAC_MSIL\lsass.exe	BridgeMsDll.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

vkk.exeWScript.execmd.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vkk.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

Modifies registry class 1 IoCs

Processes:

vkk.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000_Classes\Local Settings	vkk.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 42 IoCs

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

persistence execution

Scheduled Task

T1053.005

Processes:

pid	Process
1544	schtasks.exe
2608	schtasks.exe
2040	schtasks.exe
4288	schtasks.exe
3212	schtasks.exe
5012	schtasks.exe
1440	schtasks.exe
3464	schtasks.exe
2272	schtasks.exe
1296	schtasks.exe
3080	schtasks.exe
244	schtasks.exe
2104	schtasks.exe
220	schtasks.exe
2088	schtasks.exe
2596	schtasks.exe
4680	schtasks.exe
2408	schtasks.exe
4196	schtasks.exe
396	schtasks.exe
872	schtasks.exe
1404	schtasks.exe
3916	schtasks.exe
4496	schtasks.exe
3204	schtasks.exe
5000	schtasks.exe
1840	schtasks.exe
4692	schtasks.exe
1480	schtasks.exe
3920	schtasks.exe
4728	schtasks.exe
1516	schtasks.exe
1428	schtasks.exe
4508	schtasks.exe
656	schtasks.exe
4560	schtasks.exe
1300	schtasks.exe
5112	schtasks.exe
5028	schtasks.exe
4276	schtasks.exe
2472	schtasks.exe
3356	schtasks.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

BridgeMsDll.execmd.exe

pid	Process
1592	BridgeMsDll.exe
1592	BridgeMsDll.exe
1592	BridgeMsDll.exe
1592	BridgeMsDll.exe
1592	BridgeMsDll.exe
1592	BridgeMsDll.exe
1592	BridgeMsDll.exe
4440	cmd.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

BridgeMsDll.execmd.exe

description	pid	Process
Token: SeDebugPrivilege	1592	BridgeMsDll.exe
Token: SeDebugPrivilege	4440	cmd.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

vkk.exeWScript.execmd.exeBridgeMsDll.exe

description	pid	Process	procid_target
PID 4364 wrote to memory of 4004	4364	vkk.exe	85
PID 4364 wrote to memory of 4004	4364	vkk.exe	85
PID 4364 wrote to memory of 4004	4364	vkk.exe	85
PID 4004 wrote to memory of 5032	4004	WScript.exe	96
PID 4004 wrote to memory of 5032	4004	WScript.exe	96
PID 4004 wrote to memory of 5032	4004	WScript.exe	96
PID 5032 wrote to memory of 1592	5032	cmd.exe	98
PID 5032 wrote to memory of 1592	5032	cmd.exe	98
PID 1592 wrote to memory of 4440	1592	BridgeMsDll.exe	147
PID 1592 wrote to memory of 4440	1592	BridgeMsDll.exe	147

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\{VKK+KODS}\vkk.exe
"C:\Users\Admin\AppData\Local\Temp\{VKK+KODS}\vkk.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:4364
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Combrowser\Fcaxb7I9ITZe2hUWU.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4004
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\Combrowser\10l79m1i778n.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:5032
  - - C:\Combrowser\BridgeMsDll.exe
      "C:\Combrowser\BridgeMsDll.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      Drops file in Program Files directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:1592
    - - C:\Combrowser\cmd.exe
        
        "C:\Combrowser\cmd.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:4440

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Defender\es-ES\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2408

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\es-ES\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4196

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Defender\es-ES\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3920

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:396

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3212

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5112

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "BridgeMsDllB" /sc MINUTE /mo 14 /tr "'C:\Users\Default\BridgeMsDll.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1544

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "BridgeMsDll" /sc ONLOGON /tr "'C:\Users\Default\BridgeMsDll.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "BridgeMsDllB" /sc MINUTE /mo 6 /tr "'C:\Users\Default\BridgeMsDll.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3204

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Media Player\es-ES\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5012

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Media Player\es-ES\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2272

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Media Player\es-ES\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1296

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5028

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2088

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 12 /tr "'C:\Users\Default User\taskhostw.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4728

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Users\Default User\taskhostw.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 "taskhostwt" /sc MINUTE /mo 14 /tr "'C:\Users\Default User\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:244

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 5 /tr "'C:\Windows\assembly\GAC_MSIL\lsass.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Windows\assembly\GAC_MSIL\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2104

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 11 /tr "'C:\Windows\assembly\GAC_MSIL\lsass.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 7 /tr "'C:\Program Files\Windows Sidebar\Gadgets\StartMenuExperienceHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1428

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHost" /sc ONLOGON /tr "'C:\Program Files\Windows Sidebar\Gadgets\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1404

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "StartMenuExperienceHostS" /sc MINUTE /mo 9 /tr "'C:\Program Files\Windows Sidebar\Gadgets\StartMenuExperienceHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1440

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4508

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:656

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows NT\Accessories\en-US\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4276

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 11 /tr "'C:\Windows\AppReadiness\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4560

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Windows\AppReadiness\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5000

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Windows\AppReadiness\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3916

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 6 /tr "'C:\Combrowser\cmd.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:220

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Combrowser\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2040

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 7 /tr "'C:\Combrowser\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2472

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 14 /tr "'C:\Windows\Tasks\taskhostw.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1840

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Windows\Tasks\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 10 /tr "'C:\Windows\Tasks\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1480

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Windows\IME\IMEJP\help\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4288

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\IME\IMEJP\help\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3464

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Windows\IME\IMEJP\help\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4680

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 6 /tr "'C:\Windows\AppReadiness\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1300

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\AppReadiness\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4496

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Windows\AppReadiness\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3356

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

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Combrowser\10l79m1i778n.bat

Filesize
31B

MD5
e229e6475655dbf48debe39ea7e4c0d0

SHA1
835a9dc7bd837e6096df8d97dff90ab88e656a41

SHA256
0ef204e2c7f3c6d5ace003c6864db74cc2f085543409a3366af99a5f45823933

SHA512
6aa3ae4bf881de134b54ca4e5f813ed380645091a51762046b41d47e56318a3970a5b4158d302fc887e0ccff41304050364acde8fcf0e126721e0eea1bc42b27

Download Submit
C:\Combrowser\BridgeMsDll.exe

Filesize
315KB

MD5
57566762e7d37fdeae9c4740f16f1b75

SHA1
e6d5a1055d1064569977dc54f5ba162348e2bebb

SHA256
ea420c16fb24ec295eca3c796d735a758bdc00071d233ff73ee841d56b4b004a

SHA512
0d94f11242de7f01804e9e35fd5f422be6bcc62a292d900aa708b01c74472e2bee20dfc682786c88dd26d97614d00b2fc5106b7557d4eff090487ca7032f8783

Download Submit
C:\Combrowser\Fcaxb7I9ITZe2hUWU.vbe

Filesize
199B

MD5
75cec359961d378447f24b18efadc0c5

SHA1
9fec81fc93c8d8b17a4070057ec8e68da824c14d

SHA256
cb4216925fc61c39e18644995303fc6b6eedd4154ce6b10a6e42a71db8170101

SHA512
1f0f57c0a11485c656c49d8b897e101660775e8cd7c35c2cb302dabc9bd9024bfd173d7a938f733b12d30636715238325ea6fa4955e344822c512ff4ab030597

Download Submit
memory/1592-12-0x00007FFE6FEC3000-0x00007FFE6FEC5000-memory.dmp

Filesize
8KB

Download
memory/1592-13-0x00000000003D0000-0x0000000000426000-memory.dmp

Filesize
344KB

Download