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

Resubmissions

29/09/2024, 20:40

240929-zf69mstclc 5

29/09/2024, 20:39

240929-zfrtystcjc 5

Analysis

max time kernel
147s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 20:40

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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 10 IoCs

pid	Process
3220	msedge.exe
3220	msedge.exe
4420	msedge.exe
4420	msedge.exe
872	identity_helper.exe
872	identity_helper.exe
4372	msedge.exe
4372	msedge.exe
4372	msedge.exe
4372	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe
4420	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4420 wrote to memory of 3012	4420	msedge.exe	82
PID 4420 wrote to memory of 3012	4420	msedge.exe	82
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 2112	4420	msedge.exe	83
PID 4420 wrote to memory of 3220	4420	msedge.exe	84
PID 4420 wrote to memory of 3220	4420	msedge.exe	84
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85
PID 4420 wrote to memory of 1240	4420	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --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:4420
- 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,0x100,0x104,0xd8,0x108,0x7ff8ef2a46f8,0x7ff8ef2a4708,0x7ff8ef2a4718
  2⤵
  PID:3012
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2072 /prefetch:2
  2⤵
  PID:2112
- 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=2060,1500363501773393527,8721329134054286065,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2336 /prefetch:3
  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=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2752 /prefetch:8
  2⤵
  PID:1240
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --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=3336 /prefetch:1
  2⤵
  PID:3396
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --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=3360 /prefetch:1
  2⤵
  PID:228
- 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=2060,1500363501773393527,8721329134054286065,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4972 /prefetch:8
  2⤵
  PID:1056
- 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=2060,1500363501773393527,8721329134054286065,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4972 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:872
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --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=5076 /prefetch:1
  2⤵
  PID:2708
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --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=5088 /prefetch:1
  2⤵
  PID:1652
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --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=3940 /prefetch:1
  2⤵
  PID:2900
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --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=5636 /prefetch:1
  2⤵
  PID:3236
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2060,1500363501773393527,8721329134054286065,131072 --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=3916 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4372

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4584

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3104

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
ecf7ca53c80b5245e35839009d12f866

SHA1
a7af77cf31d410708ebd35a232a80bddfb0615bb

SHA256
882a513b71b26210ff251769b82b2c5d59a932f96d9ce606ca2fab6530a13687

SHA512
706722bd22ce27d854036b1b16e6a3cdb36284b66edc76238a79c2e11cee7d1307b121c898ad832eb1af73e4f08d991d64dc0bff529896ffb4ebe9b3dc381696

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

Filesize
152B

MD5
4dd2754d1bea40445984d65abee82b21

SHA1
4b6a5658bae9a784a370a115fbb4a12e92bd3390

SHA256
183b8e82a0deaa83d04736553671cedb738adc909f483b3c5f822a0e6be7477d

SHA512
92d44ee372ad33f892b921efa6cabc78e91025e89f05a22830763217826fa98d51d55711f85c8970ac58abf9adc6c85cc40878032cd6d2589ab226cd099f99e1

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

Filesize
543B

MD5
fb6396bdb2b80834105ae185f8eec6f9

SHA1
422b625a6b8a2f5ccca31a8c8f10847b59fe6a76

SHA256
d9e4d2887f1010272ec9b0a162742cac4bc88a6f0bfe84243d0505c903301e54

SHA512
7352034915be789babb59f383340c5ac7a70ee74352d69bfc3b380d7edb9c38cf368db479a3f352e7b3b7ba8f9d89262072b379864ba7c7373760189fe6e95c2

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

Filesize
6KB

MD5
aebbf805054735c4fef3b59af65d5e6c

SHA1
7fbe2ec32ee4f5b8c26a6d9c7e2149ad5c7573df

SHA256
10ecfce86b1e52603b4ca5b1660bba5e4d6d3f2634b6744c8a8026ed97178a65

SHA512
b1904f25f7993ebe209e54ec80452b4973fbada5c506a4a8350d8487ffa5ef7d5a2a43559cdde5c0c5a30cca8d4fd738fde8b4d51ec019b40892d4d1b123c1f3

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

Filesize
5KB

MD5
0c9523581b3a618481cf13d3f65e5026

SHA1
57688c17e6b8e1d119b086a8b247c43df102bec2

SHA256
afa93af3d56651d8b0f6e22b6ebd96f69e1013959523ab3e82552ec1d4d5eaae

SHA512
ea6f4a0a98fae4f337d8655c8c71b1e36df48e06f31437b41c0465c107cd7eab1249679b41788b07676c992718629a23d38b8998c369f5ab8bf1b5548aa9814f

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
2d70fc2a4c8bc859091f637affc39c0f

SHA1
6ceb6eb5ce9a0b94334d2427afeee980505ab702

SHA256
42792edd5e35998c830fa37400cef78a912e7b64fe8612a1ed53fc718ab28b1b

SHA512
d0df14fe25f0a02023ea40b0dafca08c8fbec11489dbcbbb6a5f22bc4236b907453594622f6bbe0de73b7f065362fbb4e2d8670f90f398a4cca8ff9eb407b5a5

Download Submit