hxxp://rftech[.]custhelp[.]com/app/answers/detail/a_id/63/~/how-do-speakers-get-blown%3F-why-do-they-sound-distorted%3F

Analysis

max time kernel
147s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
14/07/2023, 19:58

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General

Target

http://rftech.custhelp.com/app/answers/detail/a_id/63/~/how-do-speakers-get-blown%3F-why-do-they-sound-distorted%3F

Score

1^/10

Malware Config

Signatures

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
4104	msedge.exe
4104	msedge.exe
2064	msedge.exe
2064	msedge.exe
4284	identity_helper.exe
4284	identity_helper.exe
2196	msedge.exe
2196	msedge.exe
2196	msedge.exe
2196	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 7 IoCs

pid	Process
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe
2064	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2064 wrote to memory of 1828	2064	msedge.exe	28
PID 2064 wrote to memory of 1828	2064	msedge.exe	28
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 1716	2064	msedge.exe	87
PID 2064 wrote to memory of 4104	2064	msedge.exe	86
PID 2064 wrote to memory of 4104	2064	msedge.exe	86
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88
PID 2064 wrote to memory of 4516	2064	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://rftech.custhelp.com/app/answers/detail/a_id/63/~/how-do-speakers-get-blown%3F-why-do-they-sound-distorted%3F
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:2064
- 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,0x100,0x104,0xd8,0x108,0x7ff9958446f8,0x7ff995844708,0x7ff995844718
  2⤵
  PID:1828
- 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=2216,6764496804015342571,14225560142424404877,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2292 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4104
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2228 /prefetch:2
  2⤵
  PID:1716
- 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=2216,6764496804015342571,14225560142424404877,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2868 /prefetch:8
  2⤵
  PID:4516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=3288 /prefetch:1
  2⤵
  PID:5100
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=3296 /prefetch:1
  2⤵
  PID:2768
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=4696 /prefetch:1
  2⤵
  PID:4512
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=3656 /prefetch:1
  2⤵
  PID:4036
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=3736 /prefetch:1
  2⤵
  PID:848
- 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=2216,6764496804015342571,14225560142424404877,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5468 /prefetch:8
  2⤵
  PID:4056
- 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=2216,6764496804015342571,14225560142424404877,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5468 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4284
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=4064 /prefetch:1
  2⤵
  PID:4688
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=4740 /prefetch:1
  2⤵
  PID:4264
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2216,6764496804015342571,14225560142424404877,131072 --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=4908 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2196

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4760

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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
f6f47b83c67fe32ee32811d6611d269c

SHA1
b32353d1d0ed26e0dd5b5f1f402ffd41a105d025

SHA256
ac1866f15ff34d1df4dafa761dbb7dc2c712fe01ac0e171706ef29e205549cbc

SHA512
6ee068efa9fbd3c972169427be2f6377a1204bf99b61579e4d78643e89e729ad65f2abcc70007fd0dd38428e7cd39010a253d6f9cd5e90409e207ddaf5d6720d

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
144B

MD5
0e106af912481ee3f09812e309827a6f

SHA1
d931c3b6b7172f50c01bdf26387d1a65321b2291

SHA256
7e86f491cdc3df8b3085f3ee7866875ed1b9bc7c628d2fbfbfd3f2ae0d163d77

SHA512
87d4b097017d8a4fb1be22ed71f5ce84d592b2ad79b48820bf0349696d299b764debff93f64e9bd845f81ea8cfeebee82d2bcc7ccb9b49cdadc059b63686a4b7

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

Filesize
111B

MD5
285252a2f6327d41eab203dc2f402c67

SHA1
acedb7ba5fbc3ce914a8bf386a6f72ca7baa33c6

SHA256
5dfc321417fc31359f23320ea68014ebfd793c5bbed55f77dab4180bbd4a2026

SHA512
11ce7cb484fee66894e63c31db0d6b7ef66ad0327d4e7e2eb85f3bcc2e836a3a522c68d681e84542e471e54f765e091efe1ee4065641b0299b15613eb32dcc0d

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

Filesize
191B

MD5
22eb902b26c128b455392f91a48c926a

SHA1
c54b0e71268dad05a1c08f519379c4635cbe6554

SHA256
2537fad63f5a8bb85188609d3d172c396e27ca1ec4573c60cbab8c89d8a4680b

SHA512
5ac862a6711f43eca136e684a15b01bc14de532f41c1494829d1325abed558b271093ef11ca223a40b9d4aab91c5b6b115cc04f4d58383dcc95de9b631d68cce

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

Filesize
191B

MD5
f483aaa0c09038b070ccc45ac15fb4cc

SHA1
05f513df89cbefb339bbad48245d38b5b043f9d8

SHA256
02fe2fd92e174fe5572a297302415062469b014d9dacb361f29e06d30624e331

SHA512
1e69810b2db1cb230dd39eee6e3593361907fa5b81105aaf2d1b4076c43715a5646022c94a11f90bf3edacdf5b3aa91316d0e052c8281b7ef187f57d5b46327e

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

Filesize
5KB

MD5
0429d58e0311740b700840467f03800d

SHA1
bb4a9662d7f2c30edb17a13435d78c89b741a6bb

SHA256
a15afb886881cc9fe2ae96e83220703f65d82221b945fa0ff81c3baeb33b5677

SHA512
59347069b0bfd8ed7df0d13d8ba94c1364cb1273e48dbcaa96f55667fa920f4ec01e42485afa6c992aadcac635205975ce27616ad7203b6f8520d802d936e02d

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

Filesize
5KB

MD5
bc28cec3c8daca4194781f501eb74390

SHA1
fc4816ddad2e8ef42289a9cceb510c4d93d6127e

SHA256
c8e50d28022fdfbadfd0ce79d76d4cc3689fb4dcd5d131fa122e1945fe740b56

SHA512
44a7002f4134c7a8c13e9e1c1d2543269199e7dacc6a3df5a1f75f45954a7defb184fb6d95cd9129a8559363fcf75759d881327109e9062a9f7b1f62d81ff36e

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

Filesize
24KB

MD5
5544c64f2a8f49dabc19eb84267b1c9b

SHA1
c5b78d63a8bab1c7b985f7ea2f268d0d7809071e

SHA256
a1fcfee2974a77e76a7431a2069db301861ab42dd41769cead8697f41f5a497f

SHA512
38c80d7c810441fc87beff38929473088cf426b0a25a30820d8a060f493350d99bb8521b314afe00578ea54648fce2aa4e55880a83a4f1048c56307991726565

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
12KB

MD5
5248d25bd5ec4794329186ce9f9dff9a

SHA1
4480a9552c1ebd0557a9489841b3e7a753f7d4d3

SHA256
f985d667128c296613519738f14c75fd610d5ca18356cc8a0249dbe19f281a7d

SHA512
53fa070e1f283e1fd70329c0bb68e37d83948feb68bbf08c68f08e8184c97120a3d87b6061d1886f7826d5f083389c5b64742a2f91ebc1a374246e3dfc8b6438

Download Submit