dcrat | 19348fd43d70e3dd8effb8431e75f566ec33875889e7a4bacf08535b6667b259

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft SQL Server Compact Edition\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\", \"C:\\Users\\All Users\\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\\updates\\services.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\", \"C:\\Recovery\\f6a14ac2-8725-11ef-a9ab-dab21757c799\\lsass.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft SQL Server Compact Edition\\explorer.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft SQL Server Compact Edition\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft SQL Server Compact Edition\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\", \"C:\\Users\\All Users\\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\\updates\\services.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Shell = "explorer.exe, \"C:\\Program Files (x86)\\Microsoft SQL Server Compact Edition\\explorer.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\", \"C:\\Users\\All Users\\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\\updates\\services.exe\", \"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\""	Winmonitordhcp.exe

Process spawned unexpected child process 15 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	1824	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2784	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	656	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2460	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2640	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2700	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2996	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3032	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2704	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2968	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3016	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2792	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	332	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	1684	2312	schtasks.exe	35
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	3044	2312	schtasks.exe	35

DCRat payload 3 IoCs

Detects payload of DCRat, commonly dropped by NSIS installers.

rat

resource	yara_rule
behavioral1/files/0x0008000000016d1f-12.dat	dcrat
behavioral1/memory/2628-13-0x0000000000B20000-0x0000000000D70000-memory.dmp	dcrat
behavioral1/memory/1576-36-0x0000000000E10000-0x0000000001060000-memory.dmp	dcrat

Disables Task Manager via registry modification
evasion

Executes dropped EXE 2 IoCs

pid	Process
2628	Winmonitordhcp.exe
1576	dwm.exe

Loads dropped DLL 2 IoCs

pid	Process
2836	cmd.exe
2836	cmd.exe

Reads user/profile data of web browsers 3 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

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 8 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Users\\All Users\\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\\updates\\services.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\services = "\"C:\\Users\\All Users\\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\\updates\\services.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Recovery\\f6a14ac2-8725-11ef-a9ab-dab21757c799\\lsass.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lsass = "\"C:\\Recovery\\f6a14ac2-8725-11ef-a9ab-dab21757c799\\lsass.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Program Files (x86)\\Microsoft SQL Server Compact Edition\\explorer.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\explorer = "\"C:\\Program Files (x86)\\Microsoft SQL Server Compact Edition\\explorer.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2039016743-699959520-214465309-1000\Software\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\""	Winmonitordhcp.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\dwm = "\"C:\\MSOCache\\All Users\\{90140000-001A-0409-0000-0000000FF1CE}-C\\dwm.exe\""	Winmonitordhcp.exe

Drops file in Program Files directory 3 IoCs

description	ioc	Process
File opened for modification	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\explorer.exe	Winmonitordhcp.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\7a0fd90576e088	Winmonitordhcp.exe
File created	C:\Program Files (x86)\Microsoft SQL Server Compact Edition\explorer.exe	Winmonitordhcp.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
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	Neverlose.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 key 1 TTPs 1 IoCs

Modify Registry

pid	Process
1992	reg.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 15 IoCs

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

persistence execution

Scheduled Task

pid	Process
2784	schtasks.exe
656	schtasks.exe
2460	schtasks.exe
3032	schtasks.exe
2704	schtasks.exe
2792	schtasks.exe
1824	schtasks.exe
2640	schtasks.exe
2700	schtasks.exe
3044	schtasks.exe
2968	schtasks.exe
3016	schtasks.exe
2996	schtasks.exe
332	schtasks.exe
1684	schtasks.exe

Suspicious behavior: EnumeratesProcesses 14 IoCs

pid	Process
2628	Winmonitordhcp.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe
1576	dwm.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2628	Winmonitordhcp.exe
Token: SeDebugPrivilege	1576	dwm.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2708 wrote to memory of 2212	2708	Neverlose.exe	31
PID 2708 wrote to memory of 2212	2708	Neverlose.exe	31
PID 2708 wrote to memory of 2212	2708	Neverlose.exe	31
PID 2708 wrote to memory of 2212	2708	Neverlose.exe	31
PID 2212 wrote to memory of 2836	2212	WScript.exe	32
PID 2212 wrote to memory of 2836	2212	WScript.exe	32
PID 2212 wrote to memory of 2836	2212	WScript.exe	32
PID 2212 wrote to memory of 2836	2212	WScript.exe	32
PID 2836 wrote to memory of 2628	2836	cmd.exe	34
PID 2836 wrote to memory of 2628	2836	cmd.exe	34
PID 2836 wrote to memory of 2628	2836	cmd.exe	34
PID 2836 wrote to memory of 2628	2836	cmd.exe	34
PID 2628 wrote to memory of 1576	2628	Winmonitordhcp.exe	51
PID 2628 wrote to memory of 1576	2628	Winmonitordhcp.exe	51
PID 2628 wrote to memory of 1576	2628	Winmonitordhcp.exe	51
PID 2836 wrote to memory of 1992	2836	cmd.exe	52
PID 2836 wrote to memory of 1992	2836	cmd.exe	52
PID 2836 wrote to memory of 1992	2836	cmd.exe	52
PID 2836 wrote to memory of 1992	2836	cmd.exe	52

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\Neverlose.exe
"C:\Users\Admin\AppData\Local\Temp\Neverlose.exe"
1⤵
- DcRat
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2708
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\mIIccrosoft\VeA0JL7xlD4tfYfCo.vbe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2212
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c ""C:\mIIccrosoft\XqamRZ1Xoz1ZjGFCXqY6WSXlph.bat" "
    3⤵
    - Loads dropped DLL
    - System Location Discovery: System Language Discovery
    - Suspicious use of WriteProcessMemory
    PID:2836
  - - C:\mIIccrosoft\Winmonitordhcp.exe
      "C:\mIIccrosoft\Winmonitordhcp.exe"
      4⤵
      DcRat
      Modifies WinLogon for persistence
      Executes dropped EXE
      Adds Run key to start application
      Drops file in Program Files directory
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:2628
    - - C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe
        
        "C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe"
        5⤵
        Executes dropped EXE
        Suspicious behavior: EnumeratesProcesses
        Suspicious use of AdjustPrivilegeToken
        
        PID:1576
  - - 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:1992

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 13 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\explorer.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1824

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorer" /sc ONLOGON /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\explorer.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2784

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "explorere" /sc MINUTE /mo 8 /tr "'C:\Program Files (x86)\Microsoft SQL Server Compact Edition\explorer.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:656

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 6 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2460

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2640

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 13 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2700

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 13 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\updates\services.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2996

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "services" /sc ONLOGON /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\updates\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3032

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "servicess" /sc MINUTE /mo 8 /tr "'C:\Users\All Users\Mozilla-1de4eec8-1241-4177-a864-e594e8d1fb38\updates\services.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2704

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 7 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2968

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwm" /sc ONLOGON /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3016

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "dwmd" /sc MINUTE /mo 14 /tr "'C:\MSOCache\All Users\{90140000-001A-0409-0000-0000000FF1CE}-C\dwm.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:2792

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 8 /tr "'C:\Recovery\f6a14ac2-8725-11ef-a9ab-dab21757c799\lsass.exe'" /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:332

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsass" /sc ONLOGON /tr "'C:\Recovery\f6a14ac2-8725-11ef-a9ab-dab21757c799\lsass.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:1684

C:\Windows\system32\schtasks.exe
schtasks.exe /create /tn "lsassl" /sc MINUTE /mo 13 /tr "'C:\Recovery\f6a14ac2-8725-11ef-a9ab-dab21757c799\lsass.exe'" /rl HIGHEST /f
1⤵
- DcRat
- Process spawned unexpected child process
- Scheduled Task/Job: Scheduled Task
PID:3044

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Scheduled Task

Persistence

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Privilege Escalation

Boot or Logon Autostart Execution

2

T1547

Registry Run Keys / Startup Folder

T1547.001

Winlogon Helper DLL

T1547.004

Scheduled Task/Job

T1053

Scheduled Task

Defense Evasion

Modify Registry

3

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System