77f008cf7ccbf955effd76539c61bc1fbdae2a3d7ad454a2d62a5f77b8ffdf09

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"	7788f918e326ff936886e276daf498d5.exe

Windows security bypass 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	7788f918e326ff936886e276daf498d5.exe

Windows security modification 2 TTPs 1 IoCs

Disable or Modify Tools

Modify Registry

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Security Center\UACDisableNotify = "0"	7788f918e326ff936886e276daf498d5.exe

Checks whether UAC is enabled 1 TTPs 1 IoCs

System Information Discovery

T1082

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	7788f918e326ff936886e276daf498d5.exe

Detected potential entity reuse from brand microsoft.
phishing microsoft

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5004 set thread context of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 860 set thread context of 3736	860	7788f918e326ff936886e276daf498d5.exe	94

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

System Information Discovery
T1082

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
3644	msedge.exe
3644	msedge.exe
4564	msedge.exe
4564	msedge.exe
4532	identity_helper.exe
4532	identity_helper.exe
5592	msedge.exe
5592	msedge.exe
5592	msedge.exe
5592	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 9 IoCs

pid	Process
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe
4564	msedge.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
5004	7788f918e326ff936886e276daf498d5.exe
860	7788f918e326ff936886e276daf498d5.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 5004 wrote to memory of 860	5004	7788f918e326ff936886e276daf498d5.exe	90
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 860 wrote to memory of 3736	860	7788f918e326ff936886e276daf498d5.exe	94
PID 3736 wrote to memory of 4564	3736	7788f918e326ff936886e276daf498d5.exe	95
PID 3736 wrote to memory of 4564	3736	7788f918e326ff936886e276daf498d5.exe	95
PID 4564 wrote to memory of 4264	4564	msedge.exe	96
PID 4564 wrote to memory of 4264	4564	msedge.exe	96
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 2340	4564	msedge.exe	100
PID 4564 wrote to memory of 3644	4564	msedge.exe	99
PID 4564 wrote to memory of 3644	4564	msedge.exe	99
PID 4564 wrote to memory of 3480	4564	msedge.exe	101
PID 4564 wrote to memory of 3480	4564	msedge.exe	101

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"	7788f918e326ff936886e276daf498d5.exe

C:\Users\Admin\AppData\Local\Temp\7788f918e326ff936886e276daf498d5.exe
"C:\Users\Admin\AppData\Local\Temp\7788f918e326ff936886e276daf498d5.exe"
1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:5004
- C:\Users\Admin\AppData\Local\Temp\7788f918e326ff936886e276daf498d5.exe
  C:\Users\Admin\AppData\Local\Temp\7788f918e326ff936886e276daf498d5.exe
  2⤵
  - Suspicious use of SetThreadContext
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Users\Admin\AppData\Local\Temp\7788f918e326ff936886e276daf498d5.exe
    C:\Users\Admin\AppData\Local\Temp\7788f918e326ff936886e276daf498d5.exe
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3736
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=7788f918e326ff936886e276daf498d5.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      4⤵
      Enumerates system info in registry
      Suspicious behavior: EnumeratesProcesses
      Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
      Suspicious use of FindShellTrayWindow
      Suspicious use of SendNotifyMessage
      Suspicious use of WriteProcessMemory
      PID:4564
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ffef58b46f8,0x7ffef58b4708,0x7ffef58b4718
        5⤵
        
        PID:4264
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2160 /prefetch:3
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:3644
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
        5⤵
        
        PID:2340
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2664 /prefetch:8
        5⤵
        
        PID:3480
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3404 /prefetch:1
        5⤵
        
        PID:3944
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3440 /prefetch:1
        5⤵
        
        PID:1480
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=2804 /prefetch:1
        5⤵
        
        PID:1960
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5628 /prefetch:1
        5⤵
        
        PID:3348
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5668 /prefetch:1
        5⤵
        
        PID:4688
    - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4300 /prefetch:8
        5⤵
        
        PID:1664
    - - C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\92.0.902.67\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4300 /prefetch:8
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:4532
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6132 /prefetch:1
        5⤵
        
        PID:3544
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5536 /prefetch:1
        5⤵
        
        PID:1092
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4316 /prefetch:1
        5⤵
        
        PID:4204
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=6116 /prefetch:1
        5⤵
        
        PID:1908
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2096,9128555249406095421,9878581257448634394,131072 --disable-gpu-sandbox --use-gl=disabled --gpu-vendor-id=4318 --gpu-device-id=140 --gpu-sub-system-id=0 --gpu-revision=0 --gpu-driver-version=10.0.19041.546 --gpu-preferences=UAAAAAAAAADoAAAQAAAAAAAAAAAAAAAAAABgAAAEAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=3328 /prefetch:2
        5⤵
        Suspicious behavior: EnumeratesProcesses
        
        PID:5592
  - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://go.microsoft.com/fwlink/?prd=11324&pver=4.5&sbp=AppLaunch2&plcid=0x409&o1=SHIM_NOVERSION_FOUND&version=(null)&processName=7788f918e326ff936886e276daf498d5.exe&platform=0009&osver=6&isServer=0&shimver=4.0.30319.0
      4⤵
      PID:4724
    - - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
        
        "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.131 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.67 --initial-client-data=0x100,0x104,0x108,0xd8,0x10c,0x7ffef58b46f8,0x7ffef58b4708,0x7ffef58b4718
        5⤵
        
        PID:3316

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1648

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3032

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Defense Evasion

Abuse Elevation Control Mechanism

T1548

Bypass User Account Control

T1548.002

Impair Defenses

T1562

Disable or Modify Tools

Modify Registry