darkcomet | ef50d205665a80d0eb8e74f8ccd409502cfe13d6658efd1c3b593a7c6d7a3eab

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"	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.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"	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.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"	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.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"	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4776 set thread context of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

System Location Discovery: System Language Discovery 1 TTPs 1 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	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4752	msedge.exe
4752	msedge.exe
4788	msedge.exe
4788	msedge.exe
3292	identity_helper.exe
3292	identity_helper.exe
736	msedge.exe
736	msedge.exe
736	msedge.exe
736	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe

Suspicious behavior: RenamesItself 1 IoCs

pid	Process
4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe
4788	msedge.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4776 wrote to memory of 4788	4776	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe	87
PID 4788 wrote to memory of 2576	4788	msedge.exe	88
PID 4788 wrote to memory of 2576	4788	msedge.exe	88
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 1748	4788	msedge.exe	90
PID 4788 wrote to memory of 4752	4788	msedge.exe	91
PID 4788 wrote to memory of 4752	4788	msedge.exe	91
PID 4788 wrote to memory of 1944	4788	msedge.exe	92
PID 4788 wrote to memory of 1944	4788	msedge.exe	92
PID 4788 wrote to memory of 1944	4788	msedge.exe	92
PID 4788 wrote to memory of 1944	4788	msedge.exe	92
PID 4788 wrote to memory of 1944	4788	msedge.exe	92
PID 4788 wrote to memory of 1944	4788	msedge.exe	92
PID 4788 wrote to memory of 1944	4788	msedge.exe	92

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"	62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe

C:\Users\Admin\AppData\Local\Temp\62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\62f17e42e40ef731f7997f09d387ea3c_JaffaCakes118.exe"
1⤵
- UAC bypass
- Windows security bypass
- Windows security modification
- Checks whether UAC is enabled
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: RenamesItself
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- System policy modification
PID:4776
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"
  2⤵
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:4788
- - 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,0x100,0x104,0xd8,0x108,0x7fff38c546f8,0x7fff38c54708,0x7fff38c54718
    3⤵
    PID:2576
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2136 /prefetch:2
    3⤵
    PID:1748
- - 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=2124,6203350234007203112,17502514640999239670,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2404 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:4752
- - 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=2124,6203350234007203112,17502514640999239670,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2680 /prefetch:8
    3⤵
    PID:1944
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --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=3324 /prefetch:1
    3⤵
    PID:4632
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --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=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3444 /prefetch:1
    3⤵
    PID:3472
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --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=4784 /prefetch:1
    3⤵
    PID:1640
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --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=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4812 /prefetch:1
    3⤵
    PID:3060
- - 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=2124,6203350234007203112,17502514640999239670,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3340 /prefetch:8
    3⤵
    PID:3248
- - 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=2124,6203350234007203112,17502514640999239670,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3340 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3292
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3352 /prefetch:1
    3⤵
    PID:4948
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --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=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5208 /prefetch:1
    3⤵
    PID:680
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --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=3396 /prefetch:1
    3⤵
    PID:2392
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2124,6203350234007203112,17502514640999239670,131072 --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=5380 /prefetch:2
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:736

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4804

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