hxxps://r20[.]rs6[.]net

Analysis

max time kernel
135s
max time network
141s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
11-01-2024 17:35

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General

Target

https://r20.rs6.net

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
2912	msedge.exe
2912	msedge.exe
4008	msedge.exe
4008	msedge.exe
3844	identity_helper.exe
3844	identity_helper.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe
1088	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe
4008	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4008 wrote to memory of 3256	4008	msedge.exe	63
PID 4008 wrote to memory of 3256	4008	msedge.exe	63
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 556	4008	msedge.exe	92
PID 4008 wrote to memory of 2912	4008	msedge.exe	91
PID 4008 wrote to memory of 2912	4008	msedge.exe	91
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93
PID 4008 wrote to memory of 1584	4008	msedge.exe	93

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://r20.rs6.net
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:4008
- 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,0x100,0x104,0xd8,0x108,0x7ffe187146f8,0x7ffe18714708,0x7ffe18714718
  2⤵
  PID:3256
- 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=2080,8614897563375527986,14192592256585065428,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2164 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2912
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2096 /prefetch:2
  2⤵
  PID:556
- 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=2080,8614897563375527986,14192592256585065428,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2924 /prefetch:8
  2⤵
  PID:1584
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --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=3408 /prefetch:1
  2⤵
  PID:4272
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --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=3388 /prefetch:1
  2⤵
  PID:3492
- 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=2080,8614897563375527986,14192592256585065428,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  PID:2892
- 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=2080,8614897563375527986,14192592256585065428,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3844
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --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=5092 /prefetch:1
  2⤵
  PID:4736
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --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=5168 /prefetch:1
  2⤵
  PID:3076
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --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=3512 /prefetch:1
  2⤵
  PID:852
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --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=3412 /prefetch:1
  2⤵
  PID:1112
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2080,8614897563375527986,14192592256585065428,131072 --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=3172 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1088

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3892

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2184

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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
fa070c9c9ab8d902ee4f3342d217275f

SHA1
ac69818312a7eba53586295c5b04eefeb5c73903

SHA256
245b396ed1accfae337f770d3757c932bc30a8fc8dd133b5cefe82242760c2c7

SHA512
df92ca6d405d603ef5f07dbf9516d9e11e1fdc13610bb59e6d4712e55dd661f756c8515fc2c359c1db6b8b126e7f5a15886e643d93c012ef34a11041e02cc0dc

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\9cd589e7-33d0-498f-b470-691856705be7.tmp

Filesize
5KB

MD5
8f5f77839766874c36faecbd596d8f4c

SHA1
f82b2c0ad30215c461de983adc20de4b6288851f

SHA256
d1064a884f37333fd336a0c08ab3199d819564515414eefeae2e277c221d4be7

SHA512
6ac7db480521fd03cf58e3ae1c9ca9d7c6fdf88f07630a006f54e742016e45c3c29b2b43816596b4e0caf5495b311c8ad0742167bd6718c8d8a13f3d7370aa0b

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
267B

MD5
c10aba69e67a478244fcf82893a119fb

SHA1
f33350b4654183527fd94f069666187ee5103783

SHA256
1c27ae1522920e8754c9784b3907eeff1ebe84234a57df321260b429f418a3f6

SHA512
e32660134bb12f6f56c57344464657ae365ba4d70c351bf894baae6af137831570377fbebd2ead16b63a94691d3c90d913505da1399f58c8a3020cfeb11abb74

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

Filesize
5KB

MD5
c1bf7e0138b8356db19a24c79ab0c80d

SHA1
ebb5f97c95c81dab05b096dad87a7a650cc34aa5

SHA256
604050542cbb6edc0c97ae11abfa338845937d9e5138ec3080d56821c27a8114

SHA512
635e900a44554de7fb0d8a601a92c34f86d4bdd857eaa58c0d466c1b72a19d0d0b03098baf19f755863c42f167026d3fb8774023cad7ea1c76bd29dc68b8487e

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

Filesize
24KB

MD5
917dedf44ae3675e549e7b7ffc2c8ccd

SHA1
b7604eb16f0366e698943afbcf0c070d197271c0

SHA256
9692162e8a88be0977395cc0704fe882b9a39b78bdfc9d579a8c961e15347a37

SHA512
9628f7857eb88f8dceac00ffdcba2ed822fb9ebdada95e54224a0afc50bccd3e3d20c5abadbd20f61eba51dbf71c5c745b29309122d88b5cc6752a1dfc3be053

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
7172ff1621ba8b297322589ace84e739

SHA1
87051706ccdcb0b8bd1bda7a0480dca8d12060ab

SHA256
f20914042e940ed97399de977d3836bb21bc931c683ff0043a56ce1b96e8d270

SHA512
4c518f66500ef13b1abf07f47955558f83675b314683d413ef6cbbd6939b30d73b4ffdbec4504586741036587fe8b0b83e5a22c869e0a860e75c7307ca99bf74

Download Submit