hxxps://unpkg[.]com/@ungap/custom-elements-builtin

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
08/01/2024, 17:08

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General

Target

https://unpkg.com/@ungap/custom-elements-builtin

Score

1^/10

Malware Config

Signatures

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
2976	msedge.exe
2976	msedge.exe
672	msedge.exe
672	msedge.exe
4448	identity_helper.exe
4448	identity_helper.exe
5568	msedge.exe
5568	msedge.exe
5568	msedge.exe
5568	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe
672	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 672 wrote to memory of 4028	672	msedge.exe	27
PID 672 wrote to memory of 4028	672	msedge.exe	27
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 6032	672	msedge.exe	91
PID 672 wrote to memory of 2976	672	msedge.exe	90
PID 672 wrote to memory of 2976	672	msedge.exe	90
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92
PID 672 wrote to memory of 5064	672	msedge.exe	92

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://unpkg.com/@ungap/custom-elements-builtin
1⤵
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:672
- 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,0x100,0x104,0xd8,0x108,0x7ffd11a346f8,0x7ffd11a34708,0x7ffd11a34718
  2⤵
  PID:4028
- 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=2196,992950508430037266,4668035337965513002,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2312 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2976
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2232 /prefetch:2
  2⤵
  PID:6032
- 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=2196,992950508430037266,4668035337965513002,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2884 /prefetch:8
  2⤵
  PID:5064
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --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=3268 /prefetch:1
  2⤵
  PID:5524
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --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=3276 /prefetch:1
  2⤵
  PID:5776
- 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=2196,992950508430037266,4668035337965513002,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
  2⤵
  PID:4300
- 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=2196,992950508430037266,4668035337965513002,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5164 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4448
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --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=5496 /prefetch:1
  2⤵
  PID:6100
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --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=5456 /prefetch:1
  2⤵
  PID:6016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --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=5412 /prefetch:1
  2⤵
  PID:5596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --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=5152 /prefetch:1
  2⤵
  PID:1728
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2196,992950508430037266,4668035337965513002,131072 --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=5580 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5568

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3616

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
5e77545b7e1c504b2f5ce7c5cc2ce1fe

SHA1
d81a6af13cf31fa410b85471e4509124ebeaff7e

SHA256
cbb617cd6cde793f367df016b200d35ce3c521ab901bbcb52928576bb180bc11

SHA512
cbc65c61334a8b18ece79acdb30a4af80aa9448c3edc3902b00eb48fd5038bf6013d1f3f6436c1bcb637e78c485ae8e352839ca3c9ddf7e45b3b82d23b0e6e37

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
177B

MD5
60c3218d354d64dd92d00965a25f8c27

SHA1
54e9006264b44a39df742ac90f2ebd9558054a69

SHA256
cbbf150b1fdf949974ab10da5b11fd845bafcd9def27c6115e98e2c23e9def25

SHA512
1748550c9ca7602c3fd80a214952e3a8ce80960f6cb9bad712d38d6f5277b7903c1bbca13c08276d5776d74d8897450227c050cfca0b637000d14a7c17aabc4d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Network Persistent State

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
d27dc39a0865395ccaefb840bd54abf1

SHA1
5baafda2d2f9e17f76dbabf9b41eca1e391ebc2a

SHA256
e9be14a1806b4119e97d664113447b1f92960d305b1957792817c93c2871dcb3

SHA512
3431aeb139f41f69acb31e0b54bf4fac04b2c0e5dfdc0d6300cafc2eb3a2b0ef7a5d0eabc0c3feb45fae0811db9f31ffb5d9560b7abde956454b2da6c2ca3042

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences

Filesize
5KB

MD5
6da27395de6a788c2bf871d88a430513

SHA1
c2bfac5942494b54cd8e3ffe14c3d6df189e5c74

SHA256
8b34acd8cdc9890401168b57033f6533192f1b4bd68b448125c0466c1816018b

SHA512
6700a36fe034b7c1e734a008dd14e4334d16ad5dab147028f14f945cce674245ab6d963ed1b0ca745be0460993813dcf84dbf2e052f3a73ad3f0e892c59c0b0d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Secure Preferences

Filesize
24KB

MD5
6db2d2ceb22a030bd1caa72b32cfbf98

SHA1
fe50f35e60f88624a28b93b8a76be1377957618b

SHA256
7b22b0b16088ab7f7d6f938d7cfe9ae807856662ce3a63e7de6c8107186853e4

SHA512
d5a67a394003f559c98e1a1e9e31c2d473d04cc075b08bb0aab115ce42744da536895df2cec73fa54fc36f38d38e4906680cfacfbf4698ee925f1609fbb07912

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\data_reduction_proxy_leveldb\CURRENT

Filesize
16B

MD5
6752a1d65b201c13b62ea44016eb221f

SHA1
58ecf154d01a62233ed7fb494ace3c3d4ffce08b

SHA256
0861415cada612ea5834d56e2cf1055d3e63979b69eb71d32ae9ae394d8306cd

SHA512
9cfd838d3fb570b44fc3461623ab2296123404c6c8f576b0de0aabd9a6020840d4c9125eb679ed384170dbcaac2fa30dc7fa9ee5b77d6df7c344a0aa030e0389

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Local State

Filesize
11KB

MD5
b00c87fbd270eeb9664d3f36ecdd1447

SHA1
2761f33400363785630a448245f81feb2f41d0ae

SHA256
e3938eeb15b9b8459a448dcaf9251e3e4250c95a8a7cfcbd2ed61772ff0a54aa

SHA512
6254464f9f88626ec99e2c7d19870795ed0f60cf2aef66f742d1c6d2d88187790972f2bba425e11081cacf1ce833d6991619d5a83c286e5f9c375f6b7a832754

Download Submit