44caliber | 7503a5dc33aaafdaeeb0b45e3688ce8dc3c640d9d7323302a3055bd18b83f5a9

Analysis

max time kernel
40s
max time network
50s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
21/06/2024, 12:54

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General

Target
Nurik.exe
Size 1.4MB
Sample240621-p5hbpszhkd
SHA256 7503a5dc33aaafdaeeb0b45e3688ce8dc3c640d9d7323302a3055bd18b83f5a9
MD5 9493802d03c38018bec6f0c378ecccb2
SHA1 3634874fe3f261f85549b4fa18de218c6e3a1023
SHA512 190161d95cfa96022425d4bf0c9160a1758b07ffcb6954561203fded8f7046919aaf7253b682f99a52b8618649818814612b5a5d02de68ef4007d8ec2bb52140
SSDEEP 24576:Pz2ABe2G/nvxW3WckpJWjXbNQsVZy8v8BQSsZWcJ4LO:Pz9MbA3wvW+sVZy8fZW
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

44caliber dcrat infostealer rat spyware stealer

Malware Config

Extracted

Family

44caliber

https://discord.com/api/webhooks/1253689379948593173/lzPh5dDD7ETWYLRPMt2M_Ml82yS42YxolYTwBWldi4NXuLOvpMPhz7AlFtFln1RxcqaC

Signatures

44Caliber
An open source infostealer written in C#.
stealer 44caliber
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 51 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	4308	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	464	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2744	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	5100	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1400	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3292	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4200	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3528	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2624	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4468	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4608	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4716	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1932	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4572	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4988	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3724	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1608	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3824	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4728	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1572	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2056	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4880	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4736	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3336	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3728	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1380	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1812	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	64	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3188	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3712	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1892	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4460	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2548	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	8	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3872	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4056	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3648	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3192	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3144	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4732	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1960	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3700	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4920	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2084	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2496	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3324	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1576	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1908	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3244	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	4792	2208	schtasks.exe	90
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2712	2208	schtasks.exe	90

DCRat payload 4 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral2/memory/2724-1-0x0000000000180000-0x00000000002F6000-memory.dmp	dcrat
behavioral2/files/0x00080000000233ea-20.dat	dcrat
behavioral2/files/0x0007000000023409-66.dat	dcrat
behavioral2/memory/4392-68-0x00000000005C0000-0x0000000000696000-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-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	tidayn.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	WScript.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	ServercrtDll.exe
Key value queried	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000\Control Panel\International\Geo\Nation	Nurik.exe

Executes dropped EXE 4 IoCs

pid	Process
1172	steal.exe
5000	tidayn.exe
4392	ServercrtDll.exe
5056	taskhostw.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials In Files
T1552.001

Looks up external IP address via web service 1 IoCs

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

flow	ioc
2	freegeoip.app

Drops file in Program Files directory 7 IoCs

description	ioc	Process
File created	C:\Program Files (x86)\Windows Mail\29c1c3cc0f7685	ServercrtDll.exe
File created	C:\Program Files (x86)\Adobe\wininit.exe	ServercrtDll.exe
File opened for modification	C:\Program Files (x86)\Adobe\wininit.exe	ServercrtDll.exe
File created	C:\Program Files (x86)\Adobe\56085415360792	ServercrtDll.exe
File created	C:\Program Files (x86)\Windows Multimedia Platform\conhost.exe	ServercrtDll.exe
File created	C:\Program Files (x86)\Windows Multimedia Platform\088424020bedd6	ServercrtDll.exe
File created	C:\Program Files (x86)\Windows Mail\unsecapp.exe	ServercrtDll.exe

Drops file in Windows directory 8 IoCs

description	ioc	Process
File created	C:\Windows\SchCache\1550d6aba1d216	ServercrtDll.exe
File created	C:\Windows\AppReadiness\RuntimeBroker.exe	ServercrtDll.exe
File created	C:\Windows\AppReadiness\9e8d7a4ca61bd9	ServercrtDll.exe
File created	C:\Windows\Sun\Java\Deployment\Idle.exe	ServercrtDll.exe
File created	C:\Windows\Sun\Java\Deployment\6ccacd8608530f	ServercrtDll.exe
File created	C:\Windows\en-US\Registry.exe	ServercrtDll.exe
File created	C:\Windows\en-US\ee2ad38f3d4382	ServercrtDll.exe
File created	C:\Windows\SchCache\ServercrtDll.exe	ServercrtDll.exe

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

System Information Discovery
T1082

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings	tidayn.exe
Key created	\REGISTRY\USER\S-1-5-21-3558294865-3673844354-2255444939-1000_Classes\Local Settings	ServercrtDll.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 51 IoCs

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

persistence execution

Scheduled Task

T1053.005

pid	Process
3728	schtasks.exe
3244	schtasks.exe
2712	schtasks.exe
1892	schtasks.exe
2496	schtasks.exe
3144	schtasks.exe
4732	schtasks.exe
4716	schtasks.exe
3292	schtasks.exe
4200	schtasks.exe
1960	schtasks.exe
4792	schtasks.exe
5100	schtasks.exe
3528	schtasks.exe
4988	schtasks.exe
3824	schtasks.exe
1812	schtasks.exe
3712	schtasks.exe
4056	schtasks.exe
4920	schtasks.exe
4308	schtasks.exe
2624	schtasks.exe
4608	schtasks.exe
4728	schtasks.exe
64	schtasks.exe
3700	schtasks.exe
3324	schtasks.exe
4460	schtasks.exe
4572	schtasks.exe
3336	schtasks.exe
1380	schtasks.exe
2744	schtasks.exe
3724	schtasks.exe
3188	schtasks.exe
3648	schtasks.exe
464	schtasks.exe
1572	schtasks.exe
1576	schtasks.exe
1908	schtasks.exe
1400	schtasks.exe
4880	schtasks.exe
4736	schtasks.exe
8	schtasks.exe
2084	schtasks.exe
4468	schtasks.exe
1932	schtasks.exe
2056	schtasks.exe
2548	schtasks.exe
1608	schtasks.exe
3872	schtasks.exe
3192	schtasks.exe

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1172	steal.exe
1172	steal.exe
1172	steal.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
4392	ServercrtDll.exe
5056	taskhostw.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1172	steal.exe
Token: SeDebugPrivilege	4392	ServercrtDll.exe
Token: SeDebugPrivilege	5056	taskhostw.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2724 wrote to memory of 1172	2724	Nurik.exe	81
PID 2724 wrote to memory of 1172	2724	Nurik.exe	81
PID 2724 wrote to memory of 5000	2724	Nurik.exe	82
PID 2724 wrote to memory of 5000	2724	Nurik.exe	82
PID 2724 wrote to memory of 5000	2724	Nurik.exe	82
PID 5000 wrote to memory of 2188	5000	tidayn.exe	86
PID 5000 wrote to memory of 2188	5000	tidayn.exe	86
PID 5000 wrote to memory of 2188	5000	tidayn.exe	86
PID 2188 wrote to memory of 536	2188	WScript.exe	87
PID 2188 wrote to memory of 536	2188	WScript.exe	87
PID 2188 wrote to memory of 536	2188	WScript.exe	87
PID 536 wrote to memory of 4392	536	cmd.exe	89
PID 536 wrote to memory of 4392	536	cmd.exe	89
PID 4392 wrote to memory of 4040	4392	ServercrtDll.exe	142
PID 4392 wrote to memory of 4040	4392	ServercrtDll.exe	142
PID 4040 wrote to memory of 4428	4040	cmd.exe	144
PID 4040 wrote to memory of 4428	4040	cmd.exe	144
PID 4040 wrote to memory of 5056	4040	cmd.exe	145
PID 4040 wrote to memory of 5056	4040	cmd.exe	145

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\Nurik.exe
"C:\Users\Admin\AppData\Local\Temp\Nurik.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\steal.exe
  "C:\Users\Admin\AppData\Local\Temp\steal.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1172
- C:\Users\Admin\AppData\Local\Temp\tidayn.exe
  "C:\Users\Admin\AppData\Local\Temp\tidayn.exe"
  2⤵
  - Checks computer location settings
  - Executes dropped EXE
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:5000
- - C:\Windows\SysWOW64\WScript.exe
    "C:\Windows\System32\WScript.exe" "C:\Hypercommon\s6qV8wojz3Yx3vhyfOAzGuFvxlJ5l.vbe"
    3⤵
    - Checks computer location settings
    - Suspicious use of WriteProcessMemory
    PID:2188
  - - C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Hypercommon\Udwe1ynNPaETo.bat" "
      4⤵
      Suspicious use of WriteProcessMemory
      PID:536
    - - C:\Hypercommon\ServercrtDll.exe
        
        "C:\Hypercommon\ServercrtDll.exe"
        5⤵
        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:4392
      - C:\Windows\System32\cmd.exe
        
        "C:\Windows\System32\cmd.exe" /C "C:\Users\Admin\AppData\Local\Temp\IRx1oQcxOR.bat"
        6⤵
        Suspicious use of WriteProcessMemory
        
        PID:4040
        
        C:\Windows\system32\w32tm.exe
        
        w32tm /stripchart /computer:localhost /period:5 /dataonly /samples:2
        7⤵
        
        PID:4428
        
        C:\Recovery\WindowsRE\taskhostw.exe
        
        "C:\Recovery\WindowsRE\taskhostw.exe"
        7⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:5056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Adobe\wininit.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4308

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininit" /sc ONLOGON /tr "'C:\Program Files (x86)\Adobe\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:464

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "wininitw" /sc MINUTE /mo 10 /tr "'C:\Program Files (x86)\Adobe\wininit.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2744

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 9 /tr "'C:\Windows\en-US\Registry.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:5100

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Registry" /sc ONLOGON /tr "'C:\Windows\en-US\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1400

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RegistryR" /sc MINUTE /mo 7 /tr "'C:\Windows\en-US\Registry.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3292

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "ServercrtDllS" /sc MINUTE /mo 11 /tr "'C:\Windows\SchCache\ServercrtDll.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4200

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "ServercrtDll" /sc ONLOGON /tr "'C:\Windows\SchCache\ServercrtDll.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3528

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "ServercrtDllS" /sc MINUTE /mo 9 /tr "'C:\Windows\SchCache\ServercrtDll.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2624

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 5 /tr "'C:\Users\Admin\SendTo\sppsvc.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4468

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvc" /sc ONLOGON /tr "'C:\Users\Admin\SendTo\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "sppsvcs" /sc MINUTE /mo 11 /tr "'C:\Users\Admin\SendTo\sppsvc.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4716

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\SearchApp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1932

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchApp" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4572

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SearchAppS" /sc MINUTE /mo 8 /tr "'C:\Recovery\WindowsRE\SearchApp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4988

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 11 /tr "'C:\Windows\AppReadiness\RuntimeBroker.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3724

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:1608

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "RuntimeBrokerR" /sc MINUTE /mo 12 /tr "'C:\Windows\AppReadiness\RuntimeBroker.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4728

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrss" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1572

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "csrssc" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\csrss.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 9 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4880

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhost" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Multimedia Platform\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4736

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 14 /tr "'C:\Program Files (x86)\Windows Multimedia Platform\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3336

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "SppExtComObjS" /sc MINUTE /mo 6 /tr "'C:\Recovery\WindowsRE\SppExtComObj.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3728

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:1380

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:1812

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 9 /tr "'C:\Users\Admin\SendTo\services.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:64

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\Admin\SendTo\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3188

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 7 /tr "'C:\Users\Admin\SendTo\services.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3712

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1892

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:4460

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "conhostc" /sc MINUTE /mo 11 /tr "'C:\Recovery\WindowsRE\conhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2548

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 9 /tr "'C:\Users\Default\Start Menu\cmd.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:8

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmd" /sc ONLOGON /tr "'C:\Users\Default\Start Menu\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3872

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "cmdc" /sc MINUTE /mo 10 /tr "'C:\Users\Default\Start Menu\cmd.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4056

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 7 /tr "'C:\Windows\Sun\Java\Deployment\Idle.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3648

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "Idle" /sc ONLOGON /tr "'C:\Windows\Sun\Java\Deployment\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3192

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "IdleI" /sc MINUTE /mo 14 /tr "'C:\Windows\Sun\Java\Deployment\Idle.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3144

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 12 /tr "'C:\Program Files (x86)\Windows Mail\unsecapp.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4732

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecapp" /sc ONLOGON /tr "'C:\Program Files (x86)\Windows Mail\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1960

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "unsecappu" /sc MINUTE /mo 11 /tr "'C:\Program Files (x86)\Windows Mail\unsecapp.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3700

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4920

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2084

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 7 /tr "'C:\Recovery\WindowsRE\explorer.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2496

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 10 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3324

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostw" /sc ONLOGON /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1576

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "taskhostwt" /sc MINUTE /mo 13 /tr "'C:\Recovery\WindowsRE\taskhostw.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1908

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 9 /tr "'C:\Hypercommon\fontdrvhost.exe'" /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3244

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhost" /sc ONLOGON /tr "'C:\Hypercommon\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:4792

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "fontdrvhostf" /sc MINUTE /mo 13 /tr "'C:\Hypercommon\fontdrvhost.exe'" /rl HIGHEST /f
1⤵
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2712

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

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

ServercrtDll.exe

Path C:\Hypercommon\ServercrtDll.exe
Size 828KB
SHA256 b678bee38602b80df34f15e4555bb689e2eb6aef26f4c273d652c88f8825c33f
MD5 801d5740c780d09b1cc6d971ce8b280f
SHA1 c7188e6f5998405d9dcbe83ce5d29267861be07d
SHA512 3296e517a6e0d6d3feb1f9d1544664b87589130d8a28f205626b2182ecdf333ff404f311ce69730d509e3072432024d3ed16db7068d35925375d9ecc5fe82b49
SSDEEP 12288:2p/TTesiXbNQCwiVZGV8v8BQQqGZspwQvfOXTcJet:2JWjXbNQsVZy8v8BQSsZWcJ4
MD5 SHA1 SHA512 SSDEEP

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Udwe1ynNPaETo.bat

Path C:\Hypercommon\Udwe1ynNPaETo.bat
Size 33B
SHA256 e358e4c2fc541cc4e5614b1af9360a85a32fc53babbc57ecf5858fe71d334f96
MD5 1af82b77403306ff43f68bf7a0786c52
SHA1 730a3bd4b524ffa024657c1fc27ffd82e25f3f81
SHA512 0e33b779aceb2a42f5c42e07bcd3ac70a3dbb1fd2bbd4ae154979735f58eeaab5abea05cea682f4b73f6b54174ace8ac3046c6e9a84c4a729a6ed2bffa1a9ec1
MD5 SHA1 SHA512

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s6qV8wojz3Yx3vhyfOAzGuFvxlJ5l.vbe

Path C:\Hypercommon\s6qV8wojz3Yx3vhyfOAzGuFvxlJ5l.vbe
Size 201B
SHA256 f17ea2d9d889ef2012cb57191ad3a1d2d3351df8539b4029d6f7080d66217e89
MD5 0f314eb5d52ce9cd85095eadff4f908c
SHA1 272d25d43f789dd5fad479ab31e96214f82302b3
SHA512 471b72558c045bc4acd276087d82e564aa7685373dea3ac3e90390df0f7f42ea06ae0254d3a4a9dc57312c7b1485916f4d470bd353b4b8c0b35d705573105f09
MD5 SHA1 SHA512

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IRx1oQcxOR.bat

Path C:\Users\Admin\AppData\Local\Temp\IRx1oQcxOR.bat
Size 200B
SHA256 78b85205e8a3797845c4cdd5d782eaa45658d41e2cc87a3df6850e4d2d44ddb8
MD5 69a555509f47434321be2b447dfd12e9
SHA1 81c945ecfabcd6d971d653f653b4fc626099afa3
SHA512 75595c75fcffdef150e182a8e05c08b7818c7861b8c35ae215d0ca9da06a52b242831476a8a0040ae0badbeb3dca777230f956207764f306f2c8479626eb1ab8
MD5 SHA1 SHA512

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steal.exe

Path C:\Users\Admin\AppData\Local\Temp\steal.exe
Size 303KB
SHA256 ca5820bbbcbefd08f5ec820b833b23f7f97556a247da39510a70cbe7b809e3a9
MD5 7d9282b8529bbb4ac06a3994fbcd0622
SHA1 d38d467c5e533f3bc247b6ed245fb08412a479d7
SHA512 aec2d63548176dc1a8ad3d2dfce0bc41973230c6898c55171dec7fc2919b84a8061d4308449c9551cc40ac7c08ad773fd6a7818bbd748ede9be64acc11dcfca5
SSDEEP 6144:jNFT6MDdbICydeBpxUKCa269TwHfg6vmA1D0uAt:jNzIKCa2yTnM1Dmt
MD5 SHA1 SHA512 SSDEEP

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tidayn.exe

Path C:\Users\Admin\AppData\Local\Temp\tidayn.exe
Size 1.1MB
SHA256 ebcaf07121ce2483989e7a71d00b83c54b942f71e51271d5b28886ef03e45b51
MD5 3ee661f4a9794c72a91fa1f783f54969
SHA1 35780f52351da65b60cc63b302018950cbfe849f
SHA512 0b53edac853f257b3c40b8b8014f0b0d53f546410d352965eace8eb251b2d75aa02e171586750a70dd97a4bc103b4b7707e90d5bd7a47c786858514f83281bde
SSDEEP 24576:J2G/nvxW3WckpJWjXbNQsVZy8v8BQSsZWcJ4m:JbA3wvW+sVZy8fZWw
MD5 SHA1 SHA512 SSDEEP

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memory/1172-15-0x0000026681E40000-0x0000026681E92000-memory.dmp

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memory/1172-49-0x00007FF8AF060000-0x00007FF8AFB21000-memory.dmp

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memory/1172-18-0x00007FF8AF063000-0x00007FF8AF065000-memory.dmp

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memory/1172-63-0x00007FF8AF060000-0x00007FF8AFB21000-memory.dmp

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memory/2724-0-0x0000000074ACE000-0x0000000074ACF000-memory.dmp

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memory/2724-2-0x0000000004CA0000-0x0000000004D3C000-memory.dmp

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memory/2724-1-0x0000000000180000-0x00000000002F6000-memory.dmp

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memory/4392-68-0x00000000005C0000-0x0000000000696000-memory.dmp

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memory/5056-112-0x000000001C010000-0x000000001C112000-memory.dmp

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memory/5056-114-0x000000001C010000-0x000000001C112000-memory.dmp

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