dcrat | da46d37c422bf241bd3dabbc8846d9f94e3d2b7f3e80e17d70bcc6eb13161630

Analysis

max time kernel
134s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24/05/2024, 09:06

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General

Target
4b173aaa031de977353ca903f23520e4.exe
Size 1.7MB
Sample240524-k2qrfsca7w
SHA256 da46d37c422bf241bd3dabbc8846d9f94e3d2b7f3e80e17d70bcc6eb13161630
MD5 4b173aaa031de977353ca903f23520e4
SHA1 56261520faf4c58a72be2edcff1c65a011896e16
SHA512 ec324bc9425a2d1b20449d476c6b188a83025009fd7accce544ca86769578c41b2b020cb16d7434a0707a9a1326d0106f701de4d265aaeb6988a8b17a8dcdc37
SSDEEP 24576:h2G/nvxW3WT00jPwL1th2H/Hg43G/Zkx93WBbpA+EZhYETOvk:hbA3Z0jGh8IT0G2jbtTO8
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

dcrat infostealer rat

Malware Config

Signatures

DcRat 62 IoCs

DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.

rat infostealer dcrat

description	ioc	pid	Process
		3712	schtasks.exe
		5008	schtasks.exe
		2888	schtasks.exe
		4580	schtasks.exe
		4592	schtasks.exe
		1800	schtasks.exe
		4088	schtasks.exe
		4080	schtasks.exe
		2464	schtasks.exe
		4004	schtasks.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation		4b173aaa031de977353ca903f23520e4.exe
		620	schtasks.exe
		2412	schtasks.exe
		3052	schtasks.exe
		2436	schtasks.exe
		3376	schtasks.exe
		2288	schtasks.exe
		2344	schtasks.exe
		1596	schtasks.exe
		2120	schtasks.exe
		216	schtasks.exe
		4988	schtasks.exe
		880	schtasks.exe
		536	schtasks.exe
		2900	schtasks.exe
		3776	schtasks.exe
		1888	schtasks.exe
		4436	schtasks.exe
		2996	schtasks.exe
		4828	schtasks.exe
		3744	schtasks.exe
		4736	schtasks.exe
File created	C:\Windows\System32\nb-NO\5940a34987c991		blockServerruntime.exe
		1740	schtasks.exe
		1400	schtasks.exe
		4428	schtasks.exe
		1884	schtasks.exe
		2808	schtasks.exe
		2784	schtasks.exe
		4084	schtasks.exe
		4296	schtasks.exe
		4692	schtasks.exe
		3272	schtasks.exe
		388	schtasks.exe
		1948	schtasks.exe
		4384	schtasks.exe
		2672	schtasks.exe
		4308	schtasks.exe
		4672	schtasks.exe
		2064	schtasks.exe
		1532	schtasks.exe
		2216	schtasks.exe
		3744	schtasks.exe
		4284	schtasks.exe
		2984	schtasks.exe
		2400	schtasks.exe
		4752	schtasks.exe
		3808	schtasks.exe
		4460	schtasks.exe
		3636	schtasks.exe
		5076	schtasks.exe
		1020	schtasks.exe

Process spawned unexpected child process 60 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	3744	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4284	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2464	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2288	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4084	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	216	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4296	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1884	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2996	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2400	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2344	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4988	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	388	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4672	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1596	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5076	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4736	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2784	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2900	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3776	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1020	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4752	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2120	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	620	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2808	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3808	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4828	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4592	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1800	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2412	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1740	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3052	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1888	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3712	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1532	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4004	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4460	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2984	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2064	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4088	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1400	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5008	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2216	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2888	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4384	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	880	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2672	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1948	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	536	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4436	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4080	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3636	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4692	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2436	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3376	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4428	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3744	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4580	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3272	1872	schtasks.exe	97
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4308	1872	schtasks.exe	97

DCRat payload 2 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/files/0x0007000000023417-10.dat	dcrat
behavioral2/memory/468-13-0x0000000000010000-0x000000000014A000-memory.dmp	dcrat

Checks computer location settings 2 TTPs 4 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-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	4b173aaa031de977353ca903f23520e4.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	blockServerruntime.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000\Control Panel\International\Geo\Nation	blockServerruntime.exe

Executes dropped EXE 3 IoCs

pid	Process
468	blockServerruntime.exe
784	blockServerruntime.exe
2556	taskhostw.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\nb-NO\dllhost.exe	blockServerruntime.exe
File created	C:\Windows\System32\nb-NO\5940a34987c991	blockServerruntime.exe

Drops file in Program Files directory 8 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe	blockServerruntime.exe
File created	C:\Program Files (x86)\Mozilla Maintenance Service\5b884080fd4f94	blockServerruntime.exe
File created	C:\Program Files\Mozilla Firefox\uninstall\RuntimeBroker.exe	blockServerruntime.exe
File created	C:\Program Files\Mozilla Firefox\uninstall\9e8d7a4ca61bd9	blockServerruntime.exe
File created	C:\Program Files\Windows Photo Viewer\es-ES\smss.exe	blockServerruntime.exe
File created	C:\Program Files\Windows Photo Viewer\es-ES\69ddcba757bf72	blockServerruntime.exe
File created	C:\Program Files\Windows Mail\taskhostw.exe	blockServerruntime.exe
File created	C:\Program Files\Windows Mail\ea9f0e6c9e2dcd	blockServerruntime.exe

Drops file in Windows directory 7 IoCs

description	ioc	Process
File created	C:\Windows\ShellExperiences\9e8d7a4ca61bd9	blockServerruntime.exe
File created	C:\Windows\Registration\CRMLog\conhost.exe	blockServerruntime.exe
File created	C:\Windows\Registration\CRMLog\088424020bedd6	blockServerruntime.exe
File created	C:\Windows\Branding\Basebrd\it-IT\smss.exe	blockServerruntime.exe
File created	C:\Windows\Branding\Basebrd\it-IT\69ddcba757bf72	blockServerruntime.exe
File created	C:\Windows\rescache\_merged\3246022523\Idle.exe	blockServerruntime.exe
File created	C:\Windows\ShellExperiences\RuntimeBroker.exe	blockServerruntime.exe

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

System Information Discovery
T1082

Creates scheduled task(s) 1 TTPs 60 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
536	schtasks.exe
3744	schtasks.exe
4308	schtasks.exe
3744	schtasks.exe
4828	schtasks.exe
3052	schtasks.exe
4088	schtasks.exe
4672	schtasks.exe
2900	schtasks.exe
1740	schtasks.exe
5008	schtasks.exe
2672	schtasks.exe
4436	schtasks.exe
3636	schtasks.exe
3376	schtasks.exe
4084	schtasks.exe
2412	schtasks.exe
2064	schtasks.exe
4384	schtasks.exe
1596	schtasks.exe
4752	schtasks.exe
1532	schtasks.exe
4004	schtasks.exe
2464	schtasks.exe
216	schtasks.exe
4736	schtasks.exe
1020	schtasks.exe
1948	schtasks.exe
2784	schtasks.exe
4460	schtasks.exe
4428	schtasks.exe
2996	schtasks.exe
1884	schtasks.exe
2120	schtasks.exe
3808	schtasks.exe
4988	schtasks.exe
4592	schtasks.exe
2984	schtasks.exe
2288	schtasks.exe
1888	schtasks.exe
4080	schtasks.exe
4692	schtasks.exe
1400	schtasks.exe
3272	schtasks.exe
2344	schtasks.exe
388	schtasks.exe
1800	schtasks.exe
3712	schtasks.exe
2888	schtasks.exe
880	schtasks.exe
4296	schtasks.exe
2400	schtasks.exe
2808	schtasks.exe
2216	schtasks.exe
2436	schtasks.exe
4580	schtasks.exe
4284	schtasks.exe
5076	schtasks.exe
3776	schtasks.exe
620	schtasks.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1162180587-977231257-2194346871-1000_Classes\Local Settings	4b173aaa031de977353ca903f23520e4.exe

Suspicious behavior: EnumeratesProcesses 25 IoCs

pid	Process
468	blockServerruntime.exe
468	blockServerruntime.exe
468	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
784	blockServerruntime.exe
2556	taskhostw.exe
2556	taskhostw.exe
2556	taskhostw.exe
2556	taskhostw.exe
2556	taskhostw.exe
2556	taskhostw.exe
2556	taskhostw.exe
2556	taskhostw.exe
2556	taskhostw.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2556	taskhostw.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	468	blockServerruntime.exe
Token: SeDebugPrivilege	784	blockServerruntime.exe
Token: SeDebugPrivilege	2556	taskhostw.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 5108 wrote to memory of 4968	5108	4b173aaa031de977353ca903f23520e4.exe	83
PID 5108 wrote to memory of 4968	5108	4b173aaa031de977353ca903f23520e4.exe	83
PID 5108 wrote to memory of 4968	5108	4b173aaa031de977353ca903f23520e4.exe	83
PID 4968 wrote to memory of 4628	4968	WScript.exe	93
PID 4968 wrote to memory of 4628	4968	WScript.exe	93
PID 4968 wrote to memory of 4628	4968	WScript.exe	93
PID 4628 wrote to memory of 468	4628	cmd.exe	96
PID 4628 wrote to memory of 468	4628	cmd.exe	96
PID 468 wrote to memory of 784	468	blockServerruntime.exe	116
PID 468 wrote to memory of 784	468	blockServerruntime.exe	116
PID 784 wrote to memory of 2556	784	blockServerruntime.exe	159
PID 784 wrote to memory of 2556	784	blockServerruntime.exe	159

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\4b173aaa031de977353ca903f23520e4.exe
"C:\Users\Admin\AppData\Local\Temp\4b173aaa031de977353ca903f23520e4.exe"
1⤵
- DcRat
- Checks computer location settings
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:5108
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\bridgeportserver\u0vIoi.vbe"
  2⤵
  - Checks computer location settings
  - Suspicious use of WriteProcessMemory
  PID:4968
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c ""C:\bridgeportserver\8nlgr42PAYPKgwQGCAUD8OnyAwE.bat" "
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:4628
  - - C:\bridgeportserver\blockServerruntime.exe
      "C:\bridgeportserver\blockServerruntime.exe"
      4⤵
      DcRat
      Checks computer location settings
      Executes dropped EXE
      Drops file in System32 directory
      Drops file in Windows directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:468
    - - C:\bridgeportserver\blockServerruntime.exe
        
        "C:\bridgeportserver\blockServerruntime.exe"
        5⤵
        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:784
      - C:\Program Files\Windows Mail\taskhostw.exe
        
        "C:\Program Files\Windows Mail\taskhostw.exe"
        6⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious behavior: GetForegroundWindowSpam
        Suspicious use of AdjustPrivilegeToken
        
        PID:2556

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3744

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsv" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4284

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "spoolsvs" /sc MINUTE /mo 9 /tr "'C:\Recovery\WindowsRE\spoolsv.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2464

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2288

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObj" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4084

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:216

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 8 /tr "'C:\bridgeportserver\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4296

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\bridgeportserver\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1884

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 9 /tr "'C:\bridgeportserver\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 7 /tr "'C:\bridgeportserver\sysmon.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmon" /sc ONLOGON /tr "'C:\bridgeportserver\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2344

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sysmons" /sc MINUTE /mo 8 /tr "'C:\bridgeportserver\sysmon.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:388

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4672

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1596

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Windows\System32\nb-NO\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5076

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Windows\System32\nb-NO\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4736

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 10 /tr "'C:\Windows\System32\nb-NO\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 11 /tr "'C:\bridgeportserver\csrss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2900

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\bridgeportserver\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3776

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\bridgeportserver\csrss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1020

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Windows\ShellExperiences\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4752

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Windows\ShellExperiences\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2120

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Windows\ShellExperiences\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:620

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 12 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRun" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3808

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "OfficeClickToRunO" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\OfficeClickToRun.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4828

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4592

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1800

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Mozilla Maintenance Service\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2412

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Users\Public\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1740

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Users\Public\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3052

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 9 /tr "'C:\Users\Public\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1888

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 5 /tr "'C:\Windows\Registration\CRMLog\conhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3712

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Windows\Registration\CRMLog\conhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1532

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 9 /tr "'C:\Windows\Registration\CRMLog\conhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4004

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 9 /tr "'C:\bridgeportserver\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4460

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\bridgeportserver\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2984

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 7 /tr "'C:\bridgeportserver\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2064

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4088

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHost" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "TextInputHostT" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\TextInputHost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:5008

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Program Files\Mozilla Firefox\uninstall\RuntimeBroker.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2216

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBroker" /sc ONLOGON /tr "'C:\Program Files\Mozilla Firefox\uninstall\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2888

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 14 /tr "'C:\Program Files\Mozilla Firefox\uninstall\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4384

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 14 /tr "'C:\Users\All Users\ssh\WmiPrvSE.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:880

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSE" /sc ONLOGON /tr "'C:\Users\All Users\ssh\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2672

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "WmiPrvSEW" /sc MINUTE /mo 11 /tr "'C:\Users\All Users\ssh\WmiPrvSE.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:1948

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 6 /tr "'C:\Users\Default\Downloads\dllhost.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:536

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhost" /sc ONLOGON /tr "'C:\Users\Default\Downloads\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4436

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dllhostd" /sc MINUTE /mo 11 /tr "'C:\Users\Default\Downloads\dllhost.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4080

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 14 /tr "'C:\Program Files\Windows Photo Viewer\es-ES\smss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3636

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Program Files\Windows Photo Viewer\es-ES\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4692

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 5 /tr "'C:\Program Files\Windows Photo Viewer\es-ES\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:2436

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 8 /tr "'C:\Windows\Branding\Basebrd\it-IT\smss.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3376

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smss" /sc ONLOGON /tr "'C:\Windows\Branding\Basebrd\it-IT\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4428

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "smsss" /sc MINUTE /mo 10 /tr "'C:\Windows\Branding\Basebrd\it-IT\smss.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3744

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 11 /tr "'C:\Program Files\Windows Mail\taskhostw.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4580

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Program Files\Windows Mail\taskhostw.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:3272

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 13 /tr "'C:\Program Files\Windows Mail\taskhostw.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Creates scheduled task(s)
PID:4308

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

blockServerruntime.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\blockServerruntime.exe.log
Size 1KB
SHA256 29f5645ac14353ac460858f52c856548f3aeb144b09eef672a6b4849bafe742e
MD5 7800fca2323a4130444c572374a030f4
SHA1 40c9b8e0e5e7d72a5293f4010f2ccf21e637b4aa
SHA512 c8a7ad930b8c07007c7a67d8c32a2a4a401dcc34ab966e0e80901655fcbe1f5c95b72a195e6381b1de56c2c987eeab093d8e89891bec9e9684785c5d824b3554
MD5 SHA1 SHA512

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8nlgr42PAYPKgwQGCAUD8OnyAwE.bat

Path C:\bridgeportserver\8nlgr42PAYPKgwQGCAUD8OnyAwE.bat
Size 44B
SHA256 6ddb2ea308d6fe828e8e466b1b89a15d0b4e628c09fde818375932e869567816
MD5 d3fd56ded9966d3b3a1bbf6ad396c114
SHA1 2b3d4e14f8902acfee37e419a56725907854e4ff
SHA512 18a4b024c2d66b9f868dbb7a02ef115cb202032ce1b7140481324fe1794fba54a06a58419a74583f25f24c71a1c0298d73767969e5e369119f0cdbf3534a79bc
MD5 SHA1 SHA512

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blockServerruntime.exe

Path C:\bridgeportserver\blockServerruntime.exe
Size 1.2MB
SHA256 5259bac06df9a11630ceda76cc26ad9d1fb676e0f633a2b569cb4bb0760a10c7
MD5 a6a0fb77338508b4185fe94263aa2d0f
SHA1 0410a23443de08d9ca311d2aef1264232d4014a4
SHA512 d2caff587df44c8c4a676ff296b96ec82e3f904956f398e589121e0be1d9f44e2c26e73f8220bf30df8cb2c7be45a7eea5eada8602f90fc473079e2d7fd5d995
SSDEEP 24576:IjPwL1th2H/Hg43G/Zkx93WBbpA+EZhYETOv:IjGh8IT0G2jbtTO
MD5 SHA1 SHA512 SSDEEP

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u0vIoi.vbe

Path C:\bridgeportserver\u0vIoi.vbe
Size 220B
SHA256 cf5aae2ac65f7e59a64c06d82e700c33d8a2b01564f7620f2328daf8d14e2822
MD5 3e1caf4771be829da924ff455da48e03
SHA1 12e8d477e1a09a72142cff6888d7397097b60f43
SHA512 1639e4b66dad75288e21291705eefed5bee54fc477bff681782902cc92d3c845b2d3e0ad5ebd4a603004fc47c0002d6b400aaeb0c980248ac2c441df2cc8daa2
MD5 SHA1 SHA512

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memory/468-12-0x00007FF990753000-0x00007FF990755000-memory.dmp

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memory/468-13-0x0000000000010000-0x000000000014A000-memory.dmp

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memory/468-14-0x0000000000AB0000-0x0000000000ACC000-memory.dmp

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memory/468-16-0x0000000000AD0000-0x0000000000AE6000-memory.dmp

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memory/468-15-0x0000000002400000-0x0000000002450000-memory.dmp

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memory/468-17-0x0000000000950000-0x000000000095A000-memory.dmp

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memory/468-18-0x0000000000AF0000-0x0000000000AFC000-memory.dmp

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