hxxp://info[.]grammarly[.]com

Analysis

max time kernel
146s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231222-en
resource tags

arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
submitted
13-02-2024 10:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

http://info.grammarly.com

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
4680	msedge.exe
4680	msedge.exe
4200	msedge.exe
4200	msedge.exe
2544	identity_helper.exe
2544	identity_helper.exe
2992	msedge.exe
2992	msedge.exe
2992	msedge.exe
2992	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe
4200	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4200 wrote to memory of 3068	4200	msedge.exe	84
PID 4200 wrote to memory of 3068	4200	msedge.exe	84
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4752	4200	msedge.exe	86
PID 4200 wrote to memory of 4680	4200	msedge.exe	85
PID 4200 wrote to memory of 4680	4200	msedge.exe	85
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87
PID 4200 wrote to memory of 1460	4200	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://info.grammarly.com
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:4200
- 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,0x100,0x104,0xd8,0x108,0x7fff091346f8,0x7fff09134708,0x7fff09134718
  2⤵
  PID:3068
- 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=1480,3595475452293706415,7497604867807498119,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2144 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4680
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2056 /prefetch:2
  2⤵
  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=1480,3595475452293706415,7497604867807498119,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2592 /prefetch:8
  2⤵
  PID:1460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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:2484
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=3264 /prefetch:1
  2⤵
  PID:2736
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=4040 /prefetch:1
  2⤵
  PID:4708
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=4376 /prefetch:1
  2⤵
  PID:4728
- 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=1480,3595475452293706415,7497604867807498119,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5404 /prefetch:8
  2⤵
  PID:2336
- 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=1480,3595475452293706415,7497604867807498119,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5404 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2544
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=5536 /prefetch:1
  2⤵
  PID:4692
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=5520 /prefetch:1
  2⤵
  PID:2412
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4980 /prefetch:1
  2⤵
  PID:3120
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=5580 /prefetch:1
  2⤵
  PID:3992
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=1868 /prefetch:1
  2⤵
  PID:3656
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5420 /prefetch:1
  2⤵
  PID:4212
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=1480,3595475452293706415,7497604867807498119,131072 --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=5740 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2992

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2136

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2644

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
1386433ecc349475d39fb1e4f9e149a0

SHA1
f04f71ac77cb30f1d04fd16d42852322a8b2680f

SHA256
a7c79320a37d3516823f533e0ca73ed54fc4cdade9999b9827d06ea9f8916bbc

SHA512
fcd5449c58ead25955d01739929c42ffc89b9007bc2c8779c05271f2d053be66e05414c410738c35572ef31811aff908e7fe3dd7a9cef33c27acb308a420280e

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

Filesize
5KB

MD5
05c7cd55597facf9b7c5eac35db622ed

SHA1
4a367e344416a0a7803787d8a6169ac143a7c7ac

SHA256
9890eab6fca1c0b1d8ac0d5fbb20c8d8eb91fef75aac71cb8b934b10751883a9

SHA512
0641d484a3b0e6817daae317dce1c69c8fe4f52797c6f7705e8a9dce595a158badfded2e02dda16352e7ccdfb393c62c4847d73e5039a909e82ea620248e7a9c

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

Filesize
5KB

MD5
f5d0cb418c529e9b1d8674b9545214a6

SHA1
9769231b057bdfe0eb0533aa2d31f63703d893ed

SHA256
ed3b91260f9fce648538bdd13faf9239c8566386a760b8c8b2b11b2483277885

SHA512
eb55a8204e60903b9a4431fca75443d95a1c6a4dd13163a4983d4ead3deece5897ead897aec20d417b4ea811ed3a1bbf5c4a12b9326f27def66b57275ce8ab1b

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

Filesize
24KB

MD5
e664066e3aa135f185ed1c194b9fa1f8

SHA1
358ff3c6ad0580b8ae1e5ef2a89a4e597c2efdc5

SHA256
86e595be48dbc768a52d7ea62116036c024093e1302aced8c29dd6a2d9935617

SHA512
58710818b5f664006a5aa418da6c8cd3f709c2265bc161f81b9dfe6cdb8304fabaa4ce9deba419fe4281623feeeaa0321f481ae5855d347c6d8cf95968ee905e

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
10KB

MD5
1c97897c48213a8aadd31c16c67ccafb

SHA1
63eec88ae403e1bd34efdb2a05266dbe5e159583

SHA256
a233015d425c9da5718cfee67b90b0325157be80aa7cc8a0a05b6d3a737accff

SHA512
331463ed003f1f41837ba02a1bac1aa215b4da4d682428b108d7d5c5476f6069251260d5a04fa7313f2c182a908a00e5f90f8075c51594a709010b57603aa272

Download Submit