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

Analysis

max time kernel
7s
max time network
8s
platform
windows10-2004_x64
resource
win10v2004-20240508-en
resource tags

arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
submitted
27-06-2024 17:10

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General

Target

https://aka.ms/krs?id=lxDNVZKK

Score

5^/10

microsoft phishing

Malware Config

Signatures

Detected potential entity reuse from brand microsoft.
phishing microsoft

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

msedge.exe

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

Processes:

msedge.exemsedge.exeidentity_helper.exe

pid process

4908 msedge.exe
4908 msedge.exe
2680 msedge.exe
2680 msedge.exe
3580 identity_helper.exe
3580 identity_helper.exe
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

Processes:

msedge.exe

pid process

2680 msedge.exe
2680 msedge.exe
2680 msedge.exe
2680 msedge.exe
2680 msedge.exe

pid	process
4908	msedge.exe
4908	msedge.exe
2680	msedge.exe
2680	msedge.exe
3580	identity_helper.exe
3580	identity_helper.exe

Suspicious use of FindShellTrayWindow 25 IoCs

Processes:

msedge.exe

pid	process
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

Processes:

msedge.exe

pid	process
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe
2680	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

msedge.exe

description	pid	process	target process
PID 2680 wrote to memory of 3172	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 3172	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4268	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4908	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4908	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe
PID 2680 wrote to memory of 4836	2680	msedge.exe	msedge.exe

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://aka.ms/krs?id=lxDNVZKK
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:2680

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,0x100,0x104,0xd8,0x108,0x7ffc074f46f8,0x7ffc074f4708,0x7ffc074f4718
2⤵
PID:3172

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2004,9733645601460898334,3587475065743721747,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2020 /prefetch:2
2⤵
PID:4268

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=2004,9733645601460898334,3587475065743721747,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2128 /prefetch:3
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:4908

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=2004,9733645601460898334,3587475065743721747,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2948 /prefetch:8
2⤵
PID:4836

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,9733645601460898334,3587475065743721747,131072 --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=3324 /prefetch:1
2⤵
PID:1728

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,9733645601460898334,3587475065743721747,131072 --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:2548

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,9733645601460898334,3587475065743721747,131072 --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=4176 /prefetch:1
2⤵
PID:3272

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=2004,9733645601460898334,3587475065743721747,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3568 /prefetch:8
2⤵
PID:3232

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=2004,9733645601460898334,3587475065743721747,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=3568 /prefetch:8
2⤵
- Suspicious behavior: EnumeratesProcesses
PID:3580

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,9733645601460898334,3587475065743721747,131072 --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=5352 /prefetch:1
2⤵
PID:4324

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2004,9733645601460898334,3587475065743721747,131072 --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=5388 /prefetch:1
2⤵
PID:4336

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4592

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2328

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
a8e767fd33edd97d306efb6905f93252

SHA1
a6f80ace2b57599f64b0ae3c7381f34e9456f9d3

SHA256
c8077a9fc79e2691ef321d556c4ce9933ca0570f2bbaa32fa32999dfd5f908bb

SHA512
07b748582fe222795bce74919aa06e9a09025c14493edb6f3b1f112d9a97ac2225fe0904cac9adf2a62c98c42f7877076e409803014f0afd395f4cc8be207241

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat
Filesize
152B

MD5
439b5e04ca18c7fb02cf406e6eb24167

SHA1
e0c5bb6216903934726e3570b7d63295b9d28987

SHA256
247d0658695a1eb44924a32363906e37e9864ba742fe35362a71f3a520ad2654

SHA512
d0241e397060eebd4535197de4f1ae925aa88ae413a3a9ded6e856b356c4324dfd45dddfef9a536f04e4a258e8fe5dc1586d92d1d56b649f75ded8eddeb1f3e2

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Preferences
Filesize
5KB

MD5
844c4e86249b2a00b0611c362dac6c8f

SHA1
746f8a54f0d0c5925657a91b7febe081a18013bc

SHA256
e00ef870b0b01348b72b04247e98846648da73f2b8d2ba592a699388f9399e97

SHA512
92df5195e8eb41fbf39b7dee361393b2878b2984507e5adf961a515ed6c2e3ee7ff7f5dba8207efcd57baae3fb3e6a533482211c8239793dff79e0dfb048ffab

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
\??\pipe\LOCAL\crashpad_2680_MSDCQNVFQRNXCSCM
MD5
d41d8cd98f00b204e9800998ecf8427e

SHA1
da39a3ee5e6b4b0d3255bfef95601890afd80709

SHA256
e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855

SHA512
cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff8318d2877eec2f63b931bd47417a81a538327af927da3e

Download Submit