hxxps://aka[.]ms/krs?id=-crYd9Lj

Analysis

max time kernel
17s
max time network
22s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
06-12-2024 22:53

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General

Target

https://aka.ms/krs?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
1484	msedge.exe
1484	msedge.exe
4576	msedge.exe
4576	msedge.exe
4160	identity_helper.exe
4160	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe
4576	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4576 wrote to memory of 1996	4576	msedge.exe	83
PID 4576 wrote to memory of 1996	4576	msedge.exe	83
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 2468	4576	msedge.exe	84
PID 4576 wrote to memory of 1484	4576	msedge.exe	85
PID 4576 wrote to memory of 1484	4576	msedge.exe	85
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86
PID 4576 wrote to memory of 2532	4576	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --start-maximized --single-argument https://aka.ms/krs?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:4576
- 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,0x100,0x104,0xd8,0x108,0x7ffc375a46f8,0x7ffc375a4708,0x7ffc375a4718
  2⤵
  PID:1996
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2108 /prefetch:2
  2⤵
  PID:2468
- 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=2088,7704942898167257147,1670290623877659418,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2256 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1484
- 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=2088,7704942898167257147,1670290623877659418,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2724 /prefetch:8
  2⤵
  PID:2532
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --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=3304 /prefetch:1
  2⤵
  PID:1796
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --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=3356 /prefetch:1
  2⤵
  PID:4668
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --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=4712 /prefetch:1
  2⤵
  PID:4512
- 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=2088,7704942898167257147,1670290623877659418,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4980 /prefetch:8
  2⤵
  PID:2800
- 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=2088,7704942898167257147,1670290623877659418,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4980 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4160
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5060 /prefetch:1
  2⤵
  PID:3456
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5076 /prefetch:1
  2⤵
  PID:3520
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5636 /prefetch:1
  2⤵
  PID:1148
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2088,7704942898167257147,1670290623877659418,131072 --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=5632 /prefetch:1
  2⤵
  PID:4268

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1460

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3428

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
d7cb450b1315c63b1d5d89d98ba22da5

SHA1
694005cd9e1a4c54e0b83d0598a8a0c089df1556

SHA256
38355fd694faf1223518e40bac1996bdceaf44191214b0a23c4334d5fb07d031

SHA512
df04d4f4b77bae447a940b28aeac345b21b299d8d26e28ecbb3c1c9e9a0e07c551e412d545c7dbb147a92c12bad7ae49ac35af021c34b88e2c6c5f7a0b65f6a8

Download Submit
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
5KB

MD5
904f9824071dc216f5acb257908bdcbe

SHA1
9cf9a9dca8291bc3b8027f46da39654ebb2a44fe

SHA256
4e3eeacff52c06ee50187a9c56475c2a0e21aeeaac414e09c0f3dd0c2beb7119

SHA512
47e9871d742d3b9f3276ba6f07c9de68d0e2332a35496f80c13776ec26bfd72254ad1b2fb38c3d0018201ec32d28ba924343ad57d5c83da320ccf2aa5e9772c4

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

Filesize
6KB

MD5
051c26163c722aae9cee49c4a615fd5c

SHA1
f94a98eee8db179904ef099d0a560664a90c7f4d

SHA256
a80275aceec6ccc4a6498ca180d17a6c1000bb3da48b7cbb05401b94f996d3b4

SHA512
27509b4c4f060df97d7e7120ee92a08a9eaa07c597a158434347c3fae89a2e5096074f4ebc50f9425dc1f171107d500c72c454a966239351f834f2af0f8b6072

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
7436ad0f9cafa534df591cffb6123770

SHA1
35c4875253772c75c261932bceb3d4efbdf200b5

SHA256
fd4d9a447669d67c50b00bf7baf8dd50e7231184252b9a2720804aed2c81867a

SHA512
eb390cc522269cba21d837c99871223bbc42ad66cf1de19df1ef64fea4dbb503c7d2170dc452f98de5786f2840ff3f5c7c3094ef32744e1ff4bb12be079d6e22

Download Submit