hxxp://4[.]tcp[.]us-cal-1[.]ngrok[.]io

Analysis

max time kernel
147s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
23-08-2023 07:56

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General

Target

http://4.tcp.us-cal-1.ngrok.io

Score

6^/10

Malware Config

Signatures

Legitimate hosting services abused for malware hosting/C2 1 TTPs

Web Service
T1102

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1132	msedge.exe
1132	msedge.exe
112	msedge.exe
112	msedge.exe
2924	identity_helper.exe
2924	identity_helper.exe
1016	msedge.exe
1016	msedge.exe
1016	msedge.exe
1016	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe
112	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 112 wrote to memory of 1956	112	msedge.exe	81
PID 112 wrote to memory of 1956	112	msedge.exe	81
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 4500	112	msedge.exe	82
PID 112 wrote to memory of 1132	112	msedge.exe	83
PID 112 wrote to memory of 1132	112	msedge.exe	83
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85
PID 112 wrote to memory of 1012	112	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://4.tcp.us-cal-1.ngrok.io
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:112
- 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,0x100,0x104,0xd8,0x108,0x7fff7d1146f8,0x7fff7d114708,0x7fff7d114718
  2⤵
  PID:1956
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2060 /prefetch:2
  2⤵
  PID:4500
- 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=2044,12417178174246007089,1990268578493994144,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2320 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1132
- 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=2044,12417178174246007089,1990268578493994144,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2716 /prefetch:8
  2⤵
  PID:1012
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=3436 /prefetch:1
  2⤵
  PID:4056
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=3292 /prefetch:1
  2⤵
  PID:1636
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=4680 /prefetch:1
  2⤵
  PID:4560
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=3552 /prefetch:1
  2⤵
  PID:5108
- 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=2044,12417178174246007089,1990268578493994144,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5392 /prefetch:8
  2⤵
  PID:3512
- 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=2044,12417178174246007089,1990268578493994144,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5392 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=5228 /prefetch:1
  2⤵
  PID:3800
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=4748 /prefetch:1
  2⤵
  PID:3216
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=5284 /prefetch:1
  2⤵
  PID:4100
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3472 /prefetch:1
  2⤵
  PID:4292
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=14 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3120 /prefetch:1
  2⤵
  PID:4992
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4868 /prefetch:1
  2⤵
  PID:2640
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2044,12417178174246007089,1990268578493994144,131072 --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=3924 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3888

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3612

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Web Service

T1102

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
152B

MD5
8411007bafe7b1182af1ad3a1809b4f8

SHA1
4a78ee0762aadd53accae8bb211b8b18dc602070

SHA256
1f274d0d144942d00e43fb94f9c27fc91c68dce50cd374ac6be4472b08215ca3

SHA512
909e2e33b7614cb8bbd14e0dfff1b7f98f4abbf735f88292546ce3bfa665e4cb5ee4418561004e56afc5dd30d21483b05f6358dad5624c0dc3ab1ba9a3be18eb

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\301f6a83-345a-429b-8117-77e46a73d8aa.tmp

Filesize
24KB

MD5
8caf4d73cc5a7d5e3fb3f9f1a9d4a0cc

SHA1
83f8586805286b716c70ddd14a2b7ec6a4d9d0fe

SHA256
0e0c905b688340512e84db6cf8af6dbdfe29195fefde15bd02e4917a2c5fda8c

SHA512
084ef25ea21ee1083735c61b758281ba84b607e42d0186c35c3700b24a176ada47bf2e76ed7dadd3846f2b458c977e83835ced01cda47cdd7ab2d00e5a1a294e

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\Preferences

Filesize
5KB

MD5
0122cfc80dee04beccb54764b499047d

SHA1
f3aefcc276787cd84b9d5cedaa66b426b4b129a7

SHA256
b9073a396a1e0c5128e8d260cb9d63a9b417d2f15d19b99077e10fd7b38802db

SHA512
1995f7aafef2d45035ee87d9747aa7ca13f90f5742f94143c0ff5107b56e8d1ec137f413f4926aa857c8c66695ac4a19245f042fbd08949aa9f1a892fbf732b8

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\Default\e7b7d56e-c4b0-4382-a219-126642341e39.tmp

Filesize
5KB

MD5
29b45b6f0200ae220067025612d1606d

SHA1
d51d5430c68dd8397551d28b3440b248dabca490

SHA256
ab6c3147ba640e3d8213825e589aefd557dab200e34a1364e6b8cad9247170d7

SHA512
3fc4f0f1746ab6f8681ac23ee1c64a7058349b80dd0d9a5b646ac2dddb5b984a82c6b47e09afe2a50322d3065fbd605ecf2fe58bd13ed5b813febabf808289a7

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

Filesize
12KB

MD5
bce286171923b9dd091bd75231ce932f

SHA1
47928311a2f9473669803b8ef882a1ecd2dccd20

SHA256
d1b12fb3c036cd5f7b4b771732fca8eed5ec63c0beaf5fea68b6c7c647bf1b34

SHA512
0bb17c57e4e7a96bba275a9fe260894efc03e12555206bf348c99b721ca144a22539db647c947481935f9818d96d7d62b4ee6cd9762567e2f922d6ecb84086ee

Download Submit