dcrat | 714c3946e5b2691b37a20d47af5323e96e6d1ecc9976f9df841f1d5674d44b03

Analysis

max time kernel
1059s
max time network
1166s
platform
windows10-ltsc 2021_x64
resource
win10ltsc2021-20241211-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20241211-enlocale:en-usos:windows10-ltsc 2021-x64system
submitted
17-12-2024 16:54

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General

Target

Nursultan-Alpha-main/NursultanAlpha.exe
Size

1.1MB
MD5

04d47663369ae93c8a2325d1fdafd7da
SHA1

d47262b1d1f8d938e44e98d96fbba35233166b53
SHA256

11b323227ec42ebc937299ac946582c13253b8a707c371adeadd225ec14f2eee
SHA512

78896538afd82ef2fe524502456510b3fc5dd0819bee92aaf0d002231b8bd11beee59f3a78d1bbbf2a33e6ab613f1b431cbf26fe8733b6ac70b69b2a47e92e1f
SSDEEP

24576:S2G/nvxW3Wu0Toe7NtsNN4rnw4P1DtV5ffUAU0X:SbA3G8ehWGH5T

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 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	3308	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3796	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4088	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4500	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4528	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3704	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	64	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4832	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3140	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3104	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1376	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3420	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3892	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1876	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3684	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1980	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5068	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1140	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3344	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5084	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2164	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3584	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4556	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3516	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5052	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2948	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4700	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	624	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	324	1172	schtasks.exe	87
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3652	1172	schtasks.exe	87

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/files/0x00280000000460fc-13.dat	dcrat
behavioral2/memory/3380-16-0x00000000004B0000-0x0000000000586000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-4084745894-3294430273-2212167662-1000\Control Panel\International\Geo\Nation	NursultanAlpha.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084745894-3294430273-2212167662-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-4084745894-3294430273-2212167662-1000\Control Panel\International\Geo\Nation	ServerperfDhcp.exe

Executes dropped EXE 17 IoCs

pid	Process
3380	ServerperfDhcp.exe
2412	Idle.exe
2200	csrss.exe
2748	Idle.exe
4848	SearchApp.exe
704	fontdrvhost.exe
3552	SppExtComObj.exe
772	Registry.exe
3284	csrss.exe
2340	Idle.exe
4952	SearchApp.exe
2680	sysmon.exe
2752	OfficeClickToRun.exe
1284	backgroundTaskHost.exe
4696	fontdrvhost.exe
4616	SppExtComObj.exe
4744	csrss.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File created	C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe	ServerperfDhcp.exe
File created	C:\Program Files\Mozilla Firefox\browser\VisualElements\886983d96e3d3e	ServerperfDhcp.exe
File created	C:\Program Files\WindowsApps\MovedPackages\fontdrvhost.exe	ServerperfDhcp.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File created	C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\121e5b5079f7c0	ServerperfDhcp.exe
File created	C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe	ServerperfDhcp.exe
File created	C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\6ccacd8608530f	ServerperfDhcp.exe
File created	C:\Windows\security\EDP\Logs\SearchApp.exe	ServerperfDhcp.exe
File created	C:\Windows\security\EDP\Logs\38384e6a620884	ServerperfDhcp.exe
File created	C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\sysmon.exe	ServerperfDhcp.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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	NursultanAlpha.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

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4084745894-3294430273-2212167662-1000_Classes\Local Settings	NursultanAlpha.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
5084	schtasks.exe
3584	schtasks.exe
3420	schtasks.exe
4832	schtasks.exe
3516	schtasks.exe
2948	schtasks.exe
324	schtasks.exe
64	schtasks.exe
3796	schtasks.exe
4088	schtasks.exe
2164	schtasks.exe
5052	schtasks.exe
3308	schtasks.exe
3140	schtasks.exe
1376	schtasks.exe
3684	schtasks.exe
3344	schtasks.exe
4556	schtasks.exe
4700	schtasks.exe
4528	schtasks.exe
3652	schtasks.exe
3704	schtasks.exe
3104	schtasks.exe
3892	schtasks.exe
4500	schtasks.exe
1980	schtasks.exe
5068	schtasks.exe
1140	schtasks.exe
624	schtasks.exe
1876	schtasks.exe

Suspicious behavior: EnumeratesProcesses 23 IoCs

pid	Process
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
3380	ServerperfDhcp.exe
2412	Idle.exe
2200	csrss.exe
2748	Idle.exe
704	fontdrvhost.exe
772	Registry.exe
3284	csrss.exe
2340	Idle.exe
4696	fontdrvhost.exe
4744	csrss.exe

Suspicious use of AdjustPrivilegeToken 17 IoCs

description	pid	Process
Token: SeDebugPrivilege	3380	ServerperfDhcp.exe
Token: SeDebugPrivilege	2412	Idle.exe
Token: SeDebugPrivilege	2200	csrss.exe
Token: SeDebugPrivilege	2748	Idle.exe
Token: SeDebugPrivilege	4848	SearchApp.exe
Token: SeDebugPrivilege	704	fontdrvhost.exe
Token: SeDebugPrivilege	3552	SppExtComObj.exe
Token: SeDebugPrivilege	772	Registry.exe
Token: SeDebugPrivilege	3284	csrss.exe
Token: SeDebugPrivilege	2340	Idle.exe
Token: SeDebugPrivilege	4952	SearchApp.exe
Token: SeDebugPrivilege	2680	sysmon.exe
Token: SeDebugPrivilege	2752	OfficeClickToRun.exe
Token: SeDebugPrivilege	1284	backgroundTaskHost.exe
Token: SeDebugPrivilege	4696	fontdrvhost.exe
Token: SeDebugPrivilege	4616	SppExtComObj.exe
Token: SeDebugPrivilege	4744	csrss.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1524 wrote to memory of 4496	1524	NursultanAlpha.exe	82
PID 1524 wrote to memory of 4496	1524	NursultanAlpha.exe	82
PID 1524 wrote to memory of 4496	1524	NursultanAlpha.exe	82
PID 4496 wrote to memory of 4952	4496	WScript.exe	84
PID 4496 wrote to memory of 4952	4496	WScript.exe	84
PID 4496 wrote to memory of 4952	4496	WScript.exe	84
PID 4952 wrote to memory of 3380	4952	cmd.exe	86
PID 4952 wrote to memory of 3380	4952	cmd.exe	86
PID 3380 wrote to memory of 2412	3380	ServerperfDhcp.exe	118
PID 3380 wrote to memory of 2412	3380	ServerperfDhcp.exe	118

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\Nursultan-Alpha-main\NursultanAlpha.exe
"C:\Users\Admin\AppData\Local\Temp\Nursultan-Alpha-main\NursultanAlpha.exe"
1⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1524
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\bridgeReviewintoCommon\q48d35.vbe"
  2⤵
  - Checks computer location settings
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:4496
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\bridgeReviewintoCommon\KPrICBKXTXtcR2zQA74oF3h.bat" "
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:4952
  - - C:\bridgeReviewintoCommon\ServerperfDhcp.exe
      "C:\bridgeReviewintoCommon\ServerperfDhcp.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:3380
    - - C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe
        
        "C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:2412

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Adobe\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3308

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHost" /sc ONLOGON /tr "'C:\Users\All Users\Adobe\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3796

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\Adobe\backgroundTaskHost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4088

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 5 /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\sysmon.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4500

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4528

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 14 /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\sysmon.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3704

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 5 /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:64

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4832

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3140

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3104

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3420

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 5 /tr "'C:\Windows\security\EDP\Logs\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3892

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Windows\security\EDP\Logs\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1876

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 7 /tr "'C:\Windows\security\EDP\Logs\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3684

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\bridgeReviewintoCommon\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1980

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\bridgeReviewintoCommon\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5068

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 8 /tr "'C:\bridgeReviewintoCommon\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1140

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 6 /tr "'C:\bridgeReviewintoCommon\OfficeClickToRun.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\bridgeReviewintoCommon\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5084

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 14 /tr "'C:\bridgeReviewintoCommon\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2164

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 10 /tr "'C:\Users\Default User\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3584

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Users\Default User\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 11 /tr "'C:\Users\Default User\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3516

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "backgroundTaskHostb" /sc MINUTE /mo 5 /tr "'C:\Recovery\WindowsRE\backgroundTaskHost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5052

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:2948

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:4700

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:624

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:324

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3652

C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe
"C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2200

C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe
"C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2748

C:\Windows\security\EDP\Logs\SearchApp.exe
"C:\Windows\security\EDP\Logs\SearchApp.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4848

C:\bridgeReviewintoCommon\fontdrvhost.exe
"C:\bridgeReviewintoCommon\fontdrvhost.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:704

C:\Recovery\WindowsRE\SppExtComObj.exe
"C:\Recovery\WindowsRE\SppExtComObj.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:3552

C:\Users\Default User\Registry.exe
"C:\Users\Default User\Registry.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:772

C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe
"C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3284

C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe
"C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\Idle.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2340

C:\Windows\security\EDP\Logs\SearchApp.exe
"C:\Windows\security\EDP\Logs\SearchApp.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4952

C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\sysmon.exe
"C:\Windows\Installer\{AC76BA86-7AD7-1033-7B44-AC0F074E4100}\sysmon.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2680

C:\bridgeReviewintoCommon\OfficeClickToRun.exe
"C:\bridgeReviewintoCommon\OfficeClickToRun.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:2752

C:\Recovery\WindowsRE\backgroundTaskHost.exe
"C:\Recovery\WindowsRE\backgroundTaskHost.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1284

C:\bridgeReviewintoCommon\fontdrvhost.exe
"C:\bridgeReviewintoCommon\fontdrvhost.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4696

C:\Recovery\WindowsRE\SppExtComObj.exe
"C:\Recovery\WindowsRE\SppExtComObj.exe"
1⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:4616

C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe
"C:\Program Files\Mozilla Firefox\browser\VisualElements\csrss.exe"
1⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4744

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:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Idle.exe.log

Filesize
1KB

MD5
b08c36ce99a5ed11891ef6fc6d8647e9

SHA1
db95af417857221948eb1882e60f98ab2914bf1d

SHA256
cc9248a177495f45ec70b86c34fc5746c56730af36ace98ac7eb365dbafda674

SHA512
07e62581eace395b0a9699d727761648103180c21155d84ea09140f9e1c9690705c419118545aa67a564334bbde32710225fe3aa92b0b4b4210cb91f0058b1ea

Download Submit
C:\bridgeReviewintoCommon\KPrICBKXTXtcR2zQA74oF3h.bat

Filesize
46B

MD5
e41e1eaeb38aaaf5f6faf47d84758997

SHA1
36a485ab4eed2b99b85975909b5a3e050c3e6477

SHA256
29cb59c43d4a211ecba7d832c97c54a8c546bcc55d7df79ba1a4b6f227ecb404

SHA512
9218604ee28e76dc8528d4e1e70382bafbc028c97e39e95428ad62a92481e8ed46358630b535183fd35db7e91be8224ae78bfdb7de1ba862b4d523b2acad3c37

Download Submit
C:\bridgeReviewintoCommon\ServerperfDhcp.exe

Filesize
826KB

MD5
e2431fe3e9df46296c5172812bf43714

SHA1
d10efe8c25dc94b8f03deb224a321b93b30d0689

SHA256
c98b9c9410ff7194e6c06f5c697dbf2ce1a7dfddb022c44cf549ca348155bc58

SHA512
73e0786d5eb595c413155b00806d972d01a626e6a95958f270e5d4ffba5cbf73f6b7370a9af30f0bbaad974ce00dc2722634978e30593e6b71e5ebda983f612d

Download Submit
C:\bridgeReviewintoCommon\q48d35.vbe

Filesize
223B

MD5
5adff5d24c943847d902dd7d8f4c8a76

SHA1
4f18d31eb01bcbf1b1d48580ce544a2f85073f69

SHA256
590143e99e94677b9194f9c4ac1e9a820de37b1a9d4ba9689c0cddb315877808

SHA512
908484d614e89b1c3df9c2dd1847f42da64cb4a8cf6e47535325591f7d9bb414c7caf7d93e88d49d048c34b506f5f8f8c3ddaeab38a8a689880baa0b7389bde2

Download Submit
memory/3380-15-0x00007FFD858F3000-0x00007FFD858F5000-memory.dmp

Filesize
8KB

Download
memory/3380-16-0x00000000004B0000-0x0000000000586000-memory.dmp

Filesize
856KB

Download