hxxps://link-center[.]net/1205722/silence-free-v42

Analysis

max time kernel
13s
max time network
14s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
20-08-2024 23:20

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General

Target

https://link-center.net/1205722/silence-free-v42

Score

6^/10

discovery

Malware Config

Signatures

Looks up external IP address via web service 2 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
104	api.ipify.org
108	api.ipify.org

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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName	msedge.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS	msedge.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer	msedge.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\Software\Classes\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppModel\Deployment\Package\*\S-1-5-21-2412658365-3084825385-3340777666-1000\{F8230D89-F929-4D42-B3C2-2967377A7AD1}	msedge.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

pid	Process
2500	msedge.exe
2500	msedge.exe
1352	msedge.exe
1352	msedge.exe
1196	msedge.exe
1196	msedge.exe
5360	identity_helper.exe
5360	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1352 wrote to memory of 764	1352	msedge.exe	84
PID 1352 wrote to memory of 764	1352	msedge.exe	84
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 1072	1352	msedge.exe	85
PID 1352 wrote to memory of 2500	1352	msedge.exe	86
PID 1352 wrote to memory of 2500	1352	msedge.exe	86
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87
PID 1352 wrote to memory of 4176	1352	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://link-center.net/1205722/silence-free-v42
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:1352
- 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,0x100,0x104,0xd8,0x108,0x7ff83a3746f8,0x7ff83a374708,0x7ff83a374718
  2⤵
  PID:764
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
  2⤵
  PID:1072
- 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=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2500
- 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=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2772 /prefetch:8
  2⤵
  PID:4176
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=3332 /prefetch:1
  2⤵
  PID:552
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=3352 /prefetch:1
  2⤵
  PID:4000
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=4804 /prefetch:1
  2⤵
  PID:3064
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=2264 /prefetch:1
  2⤵
  PID:2168
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=3488 /prefetch:8
  2⤵
  PID:2928
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=video_capture.mojom.VideoCaptureService --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --service-sandbox-type=video_capture --mojo-platform-channel-handle=3604 /prefetch:8
  2⤵
  - Modifies registry class
  - Suspicious behavior: EnumeratesProcesses
  PID:1196
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=4216 /prefetch:1
  2⤵
  PID:3200
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5860 /prefetch:1
  2⤵
  PID:3964
- 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=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6300 /prefetch:8
  2⤵
  PID:5236
- 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=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=6300 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:5360
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=5020 /prefetch:1
  2⤵
  PID:5440
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=15 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4860 /prefetch:1
  2⤵
  PID:5448
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=16 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5732 /prefetch:1
  2⤵
  PID:5860
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,624073981909163120,11682451312504696405,131072 --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=17 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5928 /prefetch:1
  2⤵
  PID:5868

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4556

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1560

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
ff63763eedb406987ced076e36ec9acf

SHA1
16365aa97cd1a115412f8ae436d5d4e9be5f7b5d

SHA256
8f460e8b7a67f0c65b7248961a7c71146c9e7a19772b193972b486dbf05b8e4c

SHA512
ce90336169c8b2de249d4faea2519bf7c3df48ae9d77cdf471dd5dbd8e8542d47d9348080a098074aa63c255890850ee3b80ddb8eef8384919fdca3bb9371d9f

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

Filesize
152B

MD5
2783c40400a8912a79cfd383da731086

SHA1
001a131fe399c30973089e18358818090ca81789

SHA256
331fa67da5f67bbb42794c3aeab8f7819f35347460ffb352ccc914e0373a22c5

SHA512
b7c7d3aa966ad39a86aae02479649d74dcbf29d9cb3a7ff8b9b2354ea60704da55f5c0df803fd0a7191170a8e72fdd5eacfa1a739d7a74e390a7b74bdced1685

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

Filesize
5KB

MD5
934610a53d91b1740e27fef5b6fe8270

SHA1
5aee3f8405a1c680e28024446ee4809d234eacbf

SHA256
8cf0ab9ac2cbd089417255d02713e0aaee50a97eac157e805e98fa6976c21b54

SHA512
92a77d057330cb9c3bb33568b27daa37f075ca40b1d213fb92f6161921f4694e36dee7fd9b7e9cefd6f97bba21652e8d0a24e40c1ada6fc0fe3b06911f3797c9

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

Filesize
7KB

MD5
8b3885c5d57043447e5b7f4b2d7a5f05

SHA1
8c0a3c0f8f68520eaca1a7b7ef1992b43b8369f9

SHA256
4cf0df357570806986161f3c305fb0c9c7d4cb4b94c11b1e07df2b34797f3a5b

SHA512
0aa24dd5148cbaf6d881033e80c4443f4e57de0448101a8649cf772263af2defa7553b49a8e205c4bc3c424821ec396b5ee48fe12ecc8f6b40d27c7711ee55b8

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
11KB

MD5
4890bcbabf6a1cdfa3408c94cf787626

SHA1
7ed2f8f8755d47edf7915740280fa98910455e28

SHA256
3e09f934a61f3b48d10721712429bdd8fcf59c14c49a81914d7f2700524e9f55

SHA512
48f428c3b8d3228cbe4df57c81e9ae410f54f901b9be6aa16b5bcacc03e78707cc136b89c27502e0a2b2a360e51ec1d4686ade873667eb31a1126fd155a6d1a8

Download Submit