5da72a806c3e7eb77f267d9becfdb21256426b4936ca014301c83fabc997fd21

pid	Process
4884	msedge.exe
3808	msedge.exe
3756	msedge.exe
3776	msedge.exe

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

System Information Discovery

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000\Control Panel\International\Geo\Nation	taskhostupdate.exe

Executes dropped EXE 1 IoCs

pid	Process
4828	creo.exe

Loads dropped DLL 1 IoCs

pid	Process
4408	taskhostupdate.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

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
4	icanhazip.com

Enumerates processes with tasklist 1 TTPs 1 IoCs

discovery

Process Discovery

T1057

pid	Process
2448	tasklist.exe

Drops file in Program Files directory 1 IoCs

description	ioc	Process
File created	C:\Program Files\Google\Chrome\Application\creo.exe	taskhostupdate.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 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	creo.exe

System Time Discovery 1 TTPs 1 IoCs

Adversary may gather the system time and/or time zone settings from a local or remote system.

discovery

System Time Discovery

T1124

pid	Process
2488	msedge.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

System Information Discovery

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\VendorIdentifier	msedge.exe

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

System Information Discovery

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

Modifies registry class 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2370214745-1838013427-2987045292-1000_Classes\CLSID\{018D5C66-4533-4307-9B53-224DE2ED1FE6}\Instance\	msedge.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	msedge.exe

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4408	taskhostupdate.exe
4408	taskhostupdate.exe
4408	taskhostupdate.exe
4408	taskhostupdate.exe
4408	taskhostupdate.exe
4408	taskhostupdate.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 3 IoCs

pid	Process
4884	msedge.exe
4884	msedge.exe
4884	msedge.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4408	taskhostupdate.exe
Token: SeDebugPrivilege	2448	tasklist.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
4884	msedge.exe
4884	msedge.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4408 wrote to memory of 4884	4408	taskhostupdate.exe	89
PID 4884 wrote to memory of 1776	4884	msedge.exe	90
PID 4884 wrote to memory of 4084	4884	msedge.exe	91
PID 4884 wrote to memory of 2488	4884	msedge.exe	92
PID 4884 wrote to memory of 4084	4884	msedge.exe	91
PID 4884 wrote to memory of 4084	4884	msedge.exe	91
PID 4884 wrote to memory of 900	4884	msedge.exe	94
PID 4884 wrote to memory of 900	4884	msedge.exe	94
PID 4884 wrote to memory of 3808	4884	msedge.exe	95
PID 4884 wrote to memory of 3808	4884	msedge.exe	95
PID 4884 wrote to memory of 3808	4884	msedge.exe	95
PID 4884 wrote to memory of 3776	4884	msedge.exe	96
PID 4884 wrote to memory of 3776	4884	msedge.exe	96
PID 4884 wrote to memory of 3776	4884	msedge.exe	96
PID 4884 wrote to memory of 3756	4884	msedge.exe	97
PID 4884 wrote to memory of 3756	4884	msedge.exe	97
PID 4884 wrote to memory of 3756	4884	msedge.exe	97
PID 4884 wrote to memory of 728	4884	msedge.exe	99
PID 4884 wrote to memory of 728	4884	msedge.exe	99
PID 4884 wrote to memory of 1392	4884	msedge.exe	100
PID 4884 wrote to memory of 1392	4884	msedge.exe	100
PID 4884 wrote to memory of 2176	4884	msedge.exe	102
PID 4884 wrote to memory of 2072	4884	msedge.exe	103
PID 4884 wrote to memory of 2176	4884	msedge.exe	102
PID 4884 wrote to memory of 2072	4884	msedge.exe	103
PID 4408 wrote to memory of 4828	4408	taskhostupdate.exe	108
PID 4408 wrote to memory of 1872	4408	taskhostupdate.exe	116
PID 1872 wrote to memory of 2380	1872	cmd.exe	118
PID 2380 wrote to memory of 2448	2380	cmd.exe	119
PID 2380 wrote to memory of 2804	2380	cmd.exe	120

C:\Users\Admin\AppData\Local\Temp\taskhostupdate.exe
"C:\Users\Admin\AppData\Local\Temp\taskhostupdate.exe"
1⤵
- Checks computer location settings
- Loads dropped DLL
- Drops file in Program Files directory
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4408
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --remote-debugging-port=10001 --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --profile-directory="Default" --remote-allow-origins=* --restore-last-session --headless=new
  2⤵
  - Uses browser remote debugging
  - Checks processor information in registry
  - Enumerates system info in registry
  - Modifies registry class
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of WriteProcessMemory
  PID:4884
- - 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:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=139.0.7258.155 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 --annotation=prod=Edge --annotation=ver=139.0.3405.125 --initial-client-data=0x238,0x23c,0x240,0x234,0x2f0,0x7ffe8882c188,0x7ffe8882c194,0x7ffe8882c1a0
    3⤵
    PID:1776
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --headless=new --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --no-pre-read-main-dll --force-high-res-timeticks=disabled --gpu-preferences=SAAAAAAAAADgAAAIAAAAAAAAAAAAAGAAAQAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAQAAAAAAAAABAAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=2212 /prefetch:2
    3⤵
    PID:4084
- - 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 --lang=en-US --service-sandbox-type=none --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --no-pre-read-main-dll --force-high-res-timeticks=disabled --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=2244 /prefetch:3
    3⤵
    - System Time Discovery
    PID:2488
- - 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 --lang=en-US --service-sandbox-type=service --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --force-high-res-timeticks=disabled --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=2696 /prefetch:8
    3⤵
    PID:900
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --extension-process --renderer-sub-type=extension --pdf-upsell-enabled --force-high-res-timeticks=disabled --remote-debugging-port=10001 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=3060 /prefetch:2
    3⤵
    - Uses browser remote debugging
    PID:3808
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --pdf-upsell-enabled --force-high-res-timeticks=disabled --remote-debugging-port=10001 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=8 --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=4220 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:3776
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --instant-process --pdf-upsell-enabled --force-high-res-timeticks=disabled --remote-debugging-port=10001 --video-capture-use-gpu-memory-buffer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=7 --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=4244 /prefetch:1
    3⤵
    - Uses browser remote debugging
    PID:3756
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=PooledProcess2 --lang=en-US --service-sandbox-type=utility --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --force-high-res-timeticks=disabled --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=5000 /prefetch:8
    3⤵
    PID:728
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=PooledProcess2 --lang=en-US --service-sandbox-type=utility --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --force-high-res-timeticks=disabled --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=5132 /prefetch:8
    3⤵
    PID:1392
- - 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 --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --force-high-res-timeticks=disabled --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=5140 /prefetch:8
    3⤵
    PID:2176
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=entity_extraction_service.mojom.Extractor --lang=en-US --service-sandbox-type=entity_extraction --onnx-enabled-for-ee --noerrdialogs --user-data-dir="C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --force-high-res-timeticks=disabled --always-read-main-dll --field-trial-handle=2216,i,5893370239202034477,8853908703102498900,262144 --disable-features=PaintHolding --variations-seed-version --mojo-platform-channel-handle=5492 /prefetch:8
    3⤵
    PID:2072
- C:\Program Files\Google\Chrome\Application\creo.exe
  "C:\Program Files\Google\Chrome\Application\creo.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4828
- C:\Windows\System32\cmd.exe
  "C:\Windows\System32\cmd.exe" /c start "" /B "C:\Users\Admin\AppData\Local\Temp\delete_me.bat"
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1872
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /K "C:\Users\Admin\AppData\Local\Temp\delete_me.bat"
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:2380
  - - C:\Windows\system32\tasklist.exe
      tasklist /fi "PID eq 4408"
      4⤵
      Enumerates processes with tasklist
      Suspicious use of AdjustPrivilegeToken
      PID:2448
  - - C:\Windows\system32\find.exe
      find "4408"
      4⤵
      PID:2804

C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\139.0.3405.125\elevation_service.exe"
1⤵
PID:3264

C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
1⤵
PID:4708

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Modify Authentication Process

Privilege Escalation

Defense Evasion

Modify Authentication Process

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Modify Authentication Process

Steal Web Session Cookie

T1539

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Browser Information Discovery

T1217

Process Discovery

T1057

Query Registry

System Information Discovery