zgrat | 8c865af1a6f5285e6a3ee64421ea74a1bc18963321f2f7bd36e1a3da3ceb9d4b

Bypass User Account Control

T1548.002

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Windows security bypass 2 TTPs 2 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe

ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
3136	powershell.exe

Checks computer location settings 2 TTPs 2 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-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
Key value queried	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\Control Panel\International\Geo\Nation	svchost.exe

Executes dropped EXE 1 IoCs

pid	Process
4336	svchost.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064

Windows security modification 2 TTPs 3 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths\C:\Users\Admin\AppData\Roaming\svchost.exe = "0"	svchost.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows Defender\Exclusions\Paths	svchost.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1181767204-2009306918-3718769404-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\svchost = "\"C:\\Users\\Admin\\AppData\\Roaming\\svchost.exe\""	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe

Checks whether UAC is enabled 1 TTPs 2 IoCs

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	svchost.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

Looks up external IP address via web service 3 IoCs

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

flow	ioc
19	api.ipify.org
20	api.ipify.org
21	ip-api.com

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4336 set thread context of 4768	4336	svchost.exe	109

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 1 IoCs

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

persistence

Scheduled Task/Job

pid	Process
4072	schtasks.exe

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
3084	timeout.exe

Runs regedit.exe 1 IoCs

pid	Process
3628	regedit.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
3136	powershell.exe
3136	powershell.exe
4768	csc.exe
4768	csc.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
Token: SeDebugPrivilege	4336	svchost.exe
Token: SeDebugPrivilege	3136	powershell.exe
Token: SeDebugPrivilege	4768	csc.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4768	csc.exe

Suspicious use of WriteProcessMemory 34 IoCs

description	pid	Process	procid_target
PID 4892 wrote to memory of 4428	4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe	93
PID 4892 wrote to memory of 4428	4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe	93
PID 4892 wrote to memory of 2012	4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe	95
PID 4892 wrote to memory of 2012	4892	51f28789646af41d049b694138433dc0_NeikiAnalytics.exe	95
PID 2012 wrote to memory of 3084	2012	cmd.exe	97
PID 2012 wrote to memory of 3084	2012	cmd.exe	97
PID 4428 wrote to memory of 4072	4428	cmd.exe	98
PID 4428 wrote to memory of 4072	4428	cmd.exe	98
PID 2012 wrote to memory of 4336	2012	cmd.exe	102
PID 2012 wrote to memory of 4336	2012	cmd.exe	102
PID 4336 wrote to memory of 3136	4336	svchost.exe	105
PID 4336 wrote to memory of 3136	4336	svchost.exe	105
PID 4336 wrote to memory of 3628	4336	svchost.exe	106
PID 4336 wrote to memory of 3628	4336	svchost.exe	106
PID 4336 wrote to memory of 3628	4336	svchost.exe	106
PID 4336 wrote to memory of 3628	4336	svchost.exe	106
PID 4336 wrote to memory of 3628	4336	svchost.exe	106
PID 4336 wrote to memory of 3628	4336	svchost.exe	106
PID 4336 wrote to memory of 3628	4336	svchost.exe	106
PID 4336 wrote to memory of 1604	4336	svchost.exe	108
PID 4336 wrote to memory of 1604	4336	svchost.exe	108
PID 4336 wrote to memory of 1604	4336	svchost.exe	108
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 4768	4336	svchost.exe	109
PID 4336 wrote to memory of 2112	4336	svchost.exe	110
PID 4336 wrote to memory of 2112	4336	svchost.exe	110
PID 4336 wrote to memory of 2112	4336	svchost.exe	110

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	svchost.exe

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\51f28789646af41d049b694138433dc0_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\51f28789646af41d049b694138433dc0_NeikiAnalytics.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4892
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"' & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:4428
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc onlogon /rl highest /tn "svchost" /tr '"C:\Users\Admin\AppData\Roaming\svchost.exe"'
    3⤵
    - Creates scheduled task(s)
    PID:4072
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmpF05B.tmp.bat""
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2012
- - C:\Windows\system32\timeout.exe
    timeout 3
    3⤵
    - Delays execution with timeout.exe
    PID:3084
- - C:\Users\Admin\AppData\Roaming\svchost.exe
    "C:\Users\Admin\AppData\Roaming\svchost.exe"
    3⤵
    - UAC bypass
    - Windows security bypass
    - Checks computer location settings
    - Executes dropped EXE
    - Windows security modification
    - Checks whether UAC is enabled
    - Suspicious use of SetThreadContext
    - Suspicious use of AdjustPrivilegeToken
    - Suspicious use of WriteProcessMemory
    - System policy modification
    PID:4336
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\svchost.exe" -Force
      4⤵
      Command and Scripting Interpreter: PowerShell
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      PID:3136
  - - C:\Windows\regedit.exe
      "C:\Windows\regedit.exe"
      4⤵
      Runs regedit.exe
      PID:3628
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
      4⤵
      PID:1604
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      4⤵
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      PID:4768
  - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe"
      4⤵
      PID:2112

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=3608,i,15140928051103392835,1612840580898364401,262144 --variations-seed-version --mojo-platform-channel-handle=4120 /prefetch:8
1⤵
PID:1136

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Scheduled Task/Job

Scripting

T1064

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry