dcrat | aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea

Analysis

max time kernel
136s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
03-09-2024 02:16

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General

Target

aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe
Size

1.1MB
MD5

205763e8efbcfa91ef1795a4f522ff51
SHA1

0f71a48f6c071e36df7e9572289aa7be468d4146
SHA256

aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea
SHA512

36e1e32110565bde64b27914e70e74d6e6a342c7aaf5aca88eae89dbdaf27601f9f8cad525ac08f6983136c2338b10a1d7bc9cd36ff987f86e42e745b6ace81c
SSDEEP

24576:U2G/nvxW3Ww0tcPca9BcI0ryqlbWwtOMD2:UbA30taoro

Score

10^/10

dcrat discovery evasion 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

Process spawned unexpected child process 36 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	1624	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4100	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3404	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4840	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4488	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1448	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4568	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	680	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	768	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5084	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4352	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4064	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4136	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	620	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2412	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1300	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2524	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1320	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5016	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2404	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2328	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2500	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1736	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2100	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4868	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1760	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1004	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2080	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4072	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1496	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3756	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	968	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2884	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2096	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2536	3564	schtasks.exe	91
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3980	3564	schtasks.exe	91

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/files/0x00070000000234b3-10.dat	dcrat
behavioral2/memory/3748-13-0x0000000000EB0000-0x0000000000F86000-memory.dmp	dcrat

Disables Task Manager via registry modification
evasion

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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000\Control Panel\International\Geo\Nation	hostSvc.exe

Executes dropped EXE 2 IoCs

pid	Process
3748	hostSvc.exe
116	upfc.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files\WindowsPowerShell\Configuration\Registration\ea1d8f6d871115	hostSvc.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\csrss.exe	hostSvc.exe
File created	C:\Program Files (x86)\Windows NT\Accessories\886983d96e3d3e	hostSvc.exe
File created	C:\Program Files\Java\RuntimeBroker.exe	hostSvc.exe
File created	C:\Program Files\Java\9e8d7a4ca61bd9	hostSvc.exe
File created	C:\Program Files (x86)\Windows Defender\fr-FR\SearchApp.exe	hostSvc.exe
File created	C:\Program Files (x86)\Windows Defender\fr-FR\38384e6a620884	hostSvc.exe
File created	C:\Program Files\WindowsPowerShell\Configuration\Registration\upfc.exe	hostSvc.exe

Drops file in Windows directory 9 IoCs

description	ioc	Process
File opened for modification	C:\Windows\security\EDP\SearchApp.exe	hostSvc.exe
File created	C:\Windows\DigitalLocker\en-US\5940a34987c991	hostSvc.exe
File created	C:\Windows\SchCache\dllhost.exe	hostSvc.exe
File created	C:\Windows\security\conhost.exe	hostSvc.exe
File created	C:\Windows\security\EDP\SearchApp.exe	hostSvc.exe
File created	C:\Windows\security\EDP\38384e6a620884	hostSvc.exe
File created	C:\Windows\DigitalLocker\en-US\dllhost.exe	hostSvc.exe
File created	C:\Windows\SchCache\5940a34987c991	hostSvc.exe
File created	C:\Windows\security\088424020bedd6	hostSvc.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 4 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	WScript.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	reg.exe

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings	hostSvc.exe
Key created	\REGISTRY\USER\S-1-5-21-1302416131-1437503476-2806442725-1000_Classes\Local Settings	aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe

Modifies registry key 1 TTPs 1 IoCs

Modify Registry

T1112

pid	Process
2992	reg.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 36 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
620	schtasks.exe
2080	schtasks.exe
4072	schtasks.exe
3980	schtasks.exe
680	schtasks.exe
4136	schtasks.exe
2524	schtasks.exe
1760	schtasks.exe
968	schtasks.exe
2096	schtasks.exe
4488	schtasks.exe
2412	schtasks.exe
1300	schtasks.exe
1320	schtasks.exe
4352	schtasks.exe
4100	schtasks.exe
1448	schtasks.exe
4568	schtasks.exe
1736	schtasks.exe
2100	schtasks.exe
1624	schtasks.exe
1496	schtasks.exe
768	schtasks.exe
5016	schtasks.exe
4868	schtasks.exe
1004	schtasks.exe
3404	schtasks.exe
4064	schtasks.exe
2404	schtasks.exe
2328	schtasks.exe
4840	schtasks.exe
2500	schtasks.exe
3756	schtasks.exe
2884	schtasks.exe
2536	schtasks.exe
5084	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
3748	hostSvc.exe
116	upfc.exe
116	upfc.exe
116	upfc.exe
116	upfc.exe
116	upfc.exe
116	upfc.exe
116	upfc.exe
116	upfc.exe
116	upfc.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
116	upfc.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3748	hostSvc.exe
Token: SeDebugPrivilege	116	upfc.exe

Suspicious use of WriteProcessMemory 17 IoCs

description	pid	Process	procid_target
PID 3764 wrote to memory of 2516	3764	aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe	86
PID 3764 wrote to memory of 2516	3764	aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe	86
PID 3764 wrote to memory of 2516	3764	aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe	86
PID 2516 wrote to memory of 4564	2516	WScript.exe	93
PID 2516 wrote to memory of 4564	2516	WScript.exe	93
PID 2516 wrote to memory of 4564	2516	WScript.exe	93
PID 4564 wrote to memory of 3748	4564	cmd.exe	95
PID 4564 wrote to memory of 3748	4564	cmd.exe	95
PID 3748 wrote to memory of 400	3748	hostSvc.exe	132
PID 3748 wrote to memory of 400	3748	hostSvc.exe	132
PID 4564 wrote to memory of 2992	4564	cmd.exe	134
PID 4564 wrote to memory of 2992	4564	cmd.exe	134
PID 4564 wrote to memory of 2992	4564	cmd.exe	134
PID 400 wrote to memory of 2960	400	cmd.exe	135
PID 400 wrote to memory of 2960	400	cmd.exe	135
PID 400 wrote to memory of 116	400	cmd.exe	138
PID 400 wrote to memory of 116	400	cmd.exe	138

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\aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe
"C:\Users\Admin\AppData\Local\Temp\aac9b9479025a005f7f9c9c1b8002f21d05a42bfcb0f39a359e86ae186b9cfea.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:3764
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\portrefDll\lGiD9u2t0eo1sSEWTgyGmVsqvXpXU7.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2516
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\portrefDll\YnvsQ1vzh19ryYwNxF7vVIb.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4564
  - - C:\portrefDll\hostSvc.exe
      "C:\portrefDll\hostSvc.exe"
      4⤵
      Checks computer location settings
      Executes dropped EXE
      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:3748
    - - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\fzAxZtX6To.bat"
        5⤵
        Suspicious use of WriteProcessMemory
        
        PID:400
      - C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        6⤵
        
        PID:2960
      - C:\Program Files\WindowsPowerShell\Configuration\Registration\upfc.exe
        
        "C:\Program Files\WindowsPowerShell\Configuration\Registration\upfc.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:116
  - - C:\Windows\SysWOW64\reg.exe
      reg add HKCU\Software\Microsoft\Windows\CurrentVersion\Policies\System /v DisableTaskMgr /t REG_DWORD /d 1 /f
      4⤵
      System Location Discovery: System Language Discovery
      Modifies registry key
      PID:2992

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 6 /tr "'C:\Windows\security\EDP\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Windows\security\EDP\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 8 /tr "'C:\Windows\security\EDP\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3404

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4840

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4488

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Windows Defender\fr-FR\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1448

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 12 /tr "'C:\Windows\DigitalLocker\en-US\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4568

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\DigitalLocker\en-US\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:680

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Windows\DigitalLocker\en-US\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:768

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 14 /tr "'C:\Users\Admin\System.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5084

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "System" /sc ONLOGON /tr "'C:\Users\Admin\System.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4352

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SystemS" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\System.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 "upfcu" /sc MINUTE /mo 10 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\upfc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4136

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfc" /sc ONLOGON /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "upfcu" /sc MINUTE /mo 6 /tr "'C:\Program Files\WindowsPowerShell\Configuration\Registration\upfc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2412

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\Contacts\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1300

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Users\Admin\Contacts\csrss.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 "csrssc" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\Contacts\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1320

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2404

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2328

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\Windows\SchCache\dllhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2500

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\SchCache\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1736

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 5 /tr "'C:\Windows\SchCache\dllhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 13 /tr "'C:\portrefDll\smss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4868

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\portrefDll\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1760

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 9 /tr "'C:\portrefDll\smss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1004

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 10 /tr "'C:\Windows\security\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Windows\security\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4072

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 10 /tr "'C:\Windows\security\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1496

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files (x86)\Windows NT\Accessories\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3756

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows NT\Accessories\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:968

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows NT\Accessories\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2884

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Program Files\Java\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2096

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Java\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2536

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 7 /tr "'C:\Program Files\Java\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3980

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

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\fzAxZtX6To.bat

Filesize
235B

MD5
9c08c58355ce64ad08b45f9b780bd2ab

SHA1
5d64324a8631483c8915df8d69ed3179deea655c

SHA256
68474ae04d6314d8fa52d889f55797649d9a49938b0bad1943f8e2bd50149776

SHA512
7d09252622545e61e3462fe313210c00131c5cffb8652e7ea7436db73dfd96c97e875b5d60c4233ce784f8fe985ef8b8c9fd369b60dc3af0112c4beab4c30c87

Download Submit
C:\portrefDll\YnvsQ1vzh19ryYwNxF7vVIb.bat

Filesize
139B

MD5
2b3b1977be75d31a154ff21d70670f83

SHA1
6525d6e8b7016d7e3b0d05081efe11ca47bf7959

SHA256
097efd803f9681bed88d9e9019b3e3cf30dcf6535b36309e4d9ce92cdf94e001

SHA512
78a245e9cfd3dfe32050e0f6217909c2947741458bb532f26b51ae3c71685d3bba6d8a66ab2145f1ab43b2f84ee7bf3a0edb515931ca5ca8e846ed2756dfd058

Download Submit
C:\portrefDll\hostSvc.exe

Filesize
827KB

MD5
38d73859d90aa45a0c277245e22bcc6d

SHA1
89f3257e6ef2ca8fb6fecff42b6f1b81706e48c8

SHA256
246b8cab7e3f1dc0fee420895abdfd6d383ee120c942432a546774a2b3255686

SHA512
6c5c1f5270e18e89165b941910747d09952b7d9a7e3d71c137fd6280aa1fc26c40f7431a26cd2b382d39d98f52f2d94327ff7a9b5f6763d4ef2201e4a4dcd33e

Download Submit
C:\portrefDll\lGiD9u2t0eo1sSEWTgyGmVsqvXpXU7.vbe

Filesize
210B

MD5
bb3d1e161fcf39c0321972cce17a8692

SHA1
29c1bdcc411d77b0056561ab9d91a4cc1c75835e

SHA256
2940cbb1a71be69ca1b63d5bebe697522066667f8b2c202c0004ba6d3a916b67

SHA512
2d0b8082324f1273efce2bc71750fc945e6107a724aed5ff51777d36e949b9ab9cde061ef62594ecc49c21a98f5f3e8944ed0d710e7352b646f95a9e3d0a8556

Download Submit
memory/3748-12-0x00007FFEC9FB3000-0x00007FFEC9FB5000-memory.dmp

Filesize
8KB

Download
memory/3748-13-0x0000000000EB0000-0x0000000000F86000-memory.dmp

Filesize
856KB

Download