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

Analysis

max time kernel
23s
max time network
19s
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 21:17

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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
1148	msedge.exe
1148	msedge.exe
1060	msedge.exe
1060	msedge.exe
1740	identity_helper.exe
1740	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe
1060	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1060 wrote to memory of 3956	1060	msedge.exe	83
PID 1060 wrote to memory of 3956	1060	msedge.exe	83
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1668	1060	msedge.exe	84
PID 1060 wrote to memory of 1148	1060	msedge.exe	85
PID 1060 wrote to memory of 1148	1060	msedge.exe	85
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	msedge.exe	86
PID 1060 wrote to memory of 4172	1060	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:1060
- 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,0x100,0x104,0xd8,0x108,0x7ff8343846f8,0x7ff834384708,0x7ff834384718
  2⤵
  PID:3956
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,4084978124723197914,11794032223824086858,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2128 /prefetch:2
  2⤵
  PID:1668
- 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=2116,4084978124723197914,11794032223824086858,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2220 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1148
- 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=2116,4084978124723197914,11794032223824086858,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2868 /prefetch:8
  2⤵
  PID:4172
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4084978124723197914,11794032223824086858,131072 --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=3236 /prefetch:1
  2⤵
  PID:2660
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4084978124723197914,11794032223824086858,131072 --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=3252 /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=2116,4084978124723197914,11794032223824086858,131072 --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=3808 /prefetch:1
  2⤵
  PID:1584
- 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=2116,4084978124723197914,11794032223824086858,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4924 /prefetch:8
  2⤵
  PID:4964
- 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=2116,4084978124723197914,11794032223824086858,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4924 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1740
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4084978124723197914,11794032223824086858,131072 --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=5088 /prefetch:1
  2⤵
  PID:2344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4084978124723197914,11794032223824086858,131072 --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=5168 /prefetch:1
  2⤵
  PID:3192
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4084978124723197914,11794032223824086858,131072 --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=4788 /prefetch:1
  2⤵
  PID:2416
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,4084978124723197914,11794032223824086858,131072 --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:3184

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2288

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:324

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
99afa4934d1e3c56bbce114b356e8a99

SHA1
3f0e7a1a28d9d9c06b6663df5d83a65c84d52581

SHA256
08e098bb97fd91d815469cdfd5568607a3feca61f18b6b5b9c11b531fde206c8

SHA512
76686f30ed68144cf943b80ac10b52c74eee84f197cee3c24ef7845ef44bdb5586b6e530824543deeed59417205ac0e2559808bcb46450504106ac8f4c95b9da

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

Filesize
152B

MD5
443a627d539ca4eab732bad0cbe7332b

SHA1
86b18b906a1acd2a22f4b2c78ac3564c394a9569

SHA256
1e1ad9dce141f5f17ea07c7e9c2a65e707c9943f172b9134b0daf9eef25f0dc9

SHA512
923b86d75a565c91250110162ce13dd3ef3f6bdde1a83f7af235ed302d4a96b8c9ed722e2152781e699dfcb26bb98afc73f5adb298f8fd673f14c9f28b5f764d

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

Filesize
5KB

MD5
53302f3f8c01f9aafb6c0d04add9341b

SHA1
4719c028ff30801b187f040067c03f7f95f52bd8

SHA256
2f838a3ed4b4fcd0a92b5803ffde3b11d636aa8b7811e6e641c1f4bbbd708bb4

SHA512
ef021c4ed05d4d3e7cbf66d10b091fd9fe502a490f6da627103a11359e6cfbccc41d6aa92fc17c9f32803e214eecd08f24ef9fd56334d64f818641b0b73a1bee

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

Filesize
6KB

MD5
ca4958bd01042d8e0fb0197fd4daf2e6

SHA1
a94b800cfa0a33a97d915da9d6b045f2dd9e9dc4

SHA256
7379a22ca8a8152f07c1748900ba6b5cbac68f5246a78e61097411f52dabd07f

SHA512
7f64f148a9f1ed6e70bf81b6f0721e36507eb12e2e6f6fe012f4732a35a6e4d9e2b65f121d9928193bb6934c88fe3797e468b354b99cfb615602583c29b2c454

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

Filesize
16B

MD5
46295cac801e5d4857d09837238a6394

SHA1
44e0fa1b517dbf802b18faf0785eeea6ac51594b

SHA256
0f1bad70c7bd1e0a69562853ec529355462fcd0423263a3d39d6d0d70b780443

SHA512
8969402593f927350e2ceb4b5bc2a277f3754697c1961e3d6237da322257fbab42909e1a742e22223447f3a4805f8d8ef525432a7c3515a549e984d3eff72b23

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

Filesize
16B

MD5
206702161f94c5cd39fadd03f4014d98

SHA1
bd8bfc144fb5326d21bd1531523d9fb50e1b600a

SHA256
1005a525006f148c86efcbfb36c6eac091b311532448010f70f7de9a68007167

SHA512
0af09f26941b11991c750d1a2b525c39a8970900e98cba96fd1b55dbf93fee79e18b8aab258f48b4f7bda40d059629bc7770d84371235cdb1352a4f17f80e145

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

Filesize
10KB

MD5
874969a386171d83fa786efcae2c7f43

SHA1
d5e7c21d3b3bb50e8f0fe184c9a44015558536ad

SHA256
ce68d6ef9abf750028a387389df9e0be0cf0d8911f06be75f8611dae0e59b43d

SHA512
fc675b610bb50cafc255aecd3f71c62b1706867dc0e1e23aefb9a30a1380d5e69400184526f42641c33eb8580ade72d95995fd86f85e8a2da31ae5dcee2ca499

Download Submit