hxxps://krs[.]microsoft[.]com/redirect?id=-crYd9Lj

Analysis

max time kernel
25s
max time network
23s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
02-12-2024 21:23

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General

Target

https://krs.microsoft.com/redirect?id=-crYd9Lj

Score

5^/10

microsoft discovery phishing

Malware Config

Signatures

Detected potential entity reuse from brand MICROSOFT.
phishing microsoft
Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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 6 IoCs

pid	Process
2176	msedge.exe
2176	msedge.exe
2016	msedge.exe
2016	msedge.exe
3220	identity_helper.exe
3220	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe
2016	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2016 wrote to memory of 3512	2016	msedge.exe	84
PID 2016 wrote to memory of 3512	2016	msedge.exe	84
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 4308	2016	msedge.exe	85
PID 2016 wrote to memory of 2176	2016	msedge.exe	86
PID 2016 wrote to memory of 2176	2016	msedge.exe	86
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87
PID 2016 wrote to memory of 448	2016	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://krs.microsoft.com/redirect?id=-crYd9Lj
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:2016
- 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,0x100,0x104,0xd8,0x108,0x7fffe9e246f8,0x7fffe9e24708,0x7fffe9e24718
  2⤵
  PID:3512
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2096 /prefetch:2
  2⤵
  PID:4308
- 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=2080,8475389849590930891,3591787676357825818,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2556 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  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=storage.mojom.StorageService --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2948 /prefetch:8
  2⤵
  PID:448
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --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=3340 /prefetch:1
  2⤵
  PID:2468
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --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=3348 /prefetch:1
  2⤵
  PID:2272
- 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=2080,8475389849590930891,3591787676357825818,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5012 /prefetch:8
  2⤵
  PID:2040
- 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=2080,8475389849590930891,3591787676357825818,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5012 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3220
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --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=5312 /prefetch:1
  2⤵
  PID:3600
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --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=5364 /prefetch:1
  2⤵
  PID:3492
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --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=3424 /prefetch:1
  2⤵
  PID:4376
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8475389849590930891,3591787676357825818,131072 --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=3336 /prefetch:1
  2⤵
  PID:4492

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4468

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4876

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
152B

MD5
37f660dd4b6ddf23bc37f5c823d1c33a

SHA1
1c35538aa307a3e09d15519df6ace99674ae428b

SHA256
4e2510a1d5a50a94fe4ce0f74932ab780758a8cbdc6d176a9ce8ab92309f26f8

SHA512
807b8b8dc9109b6f78fc63655450bf12b9a006ff63e8f29ade8899d45fdf4a6c068c5c46a3efbc4232b9e1e35d6494f00ded5cdb3e235c8a25023bfbd823992d

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

Filesize
6KB

MD5
398e19ccc7d19cfa239737ed710d2355

SHA1
98457be83f5bfdebc9828f6bd164eb41a5debd56

SHA256
68790c406502796ab1cb87a03d4e096cc0a4308915f87ded4d031774d9a0119f

SHA512
4de29d15500427876ad030faa49bb860c8d1788ed0829e7f965de8b11d51ce8dde252533093aa3fc20b68e7cfb47e8ae3ee1ff12301cbd6dd9777263dac130d4

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

Filesize
5KB

MD5
5c76f8fe71c7f66d5f30feb12c672cd2

SHA1
2216e9c2a138b9ab552abe03e33371e7b4f047e1

SHA256
f0318d8fd516d6bf33d88c359f7ca8b7703898de3cf143c3b24494b72ec0d9ac

SHA512
14d4335c6b12f1fba5fb31171d158f408267bdba3b6f1d98f7c7465bb99be1ab8dfd0cfd93f7d3cf365d2498bfff3f0f1ee4b7a7a3b1fa4bfe7a96ddd984c591

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
6463dd1130e5758ac554a9033197371d

SHA1
ba7cde933f9ff01c89513a95ebe2e80a561944b6

SHA256
f4247b715c3b60575e1e52a8e03a1b9f00c4dff10a08aaddbe79da185d505e8c

SHA512
7ffb043eb06df5fd7e170d62bf71a9ac7605c0b669b45d354cb10f5f09a4e81fbf54dd02bd3563820ce8f388e379448e07efa75628c78e3da8ee2f667ce0e362

Download Submit