hxxps://sourl[.]cn/LT3gC4

Analysis

max time kernel
11s
max time network
13s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
24-08-2023 23:21

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General

Target

https://sourl.cn/LT3gC4

Score

1^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
912	msedge.exe
912	msedge.exe
1328	msedge.exe
1328	msedge.exe
2004	identity_helper.exe
2004	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
1328	msedge.exe
1328	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe
1328	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1328 wrote to memory of 1016	1328	msedge.exe	67
PID 1328 wrote to memory of 1016	1328	msedge.exe	67
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 2228	1328	msedge.exe	84
PID 1328 wrote to memory of 912	1328	msedge.exe	85
PID 1328 wrote to memory of 912	1328	msedge.exe	85
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86
PID 1328 wrote to memory of 1672	1328	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://sourl.cn/LT3gC4
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1328
- 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,0x100,0x104,0xd8,0x108,0x7fff29aa46f8,0x7fff29aa4708,0x7fff29aa4718
  2⤵
  PID:1016
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,4303496852520409593,9442663424091490005,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2148 /prefetch:2
  2⤵
  PID:2228
- 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=2136,4303496852520409593,9442663424091490005,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2308 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:912
- 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=2136,4303496852520409593,9442663424091490005,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2792 /prefetch:8
  2⤵
  PID:1672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4303496852520409593,9442663424091490005,131072 --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=3328 /prefetch:1
  2⤵
  PID:4392
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,4303496852520409593,9442663424091490005,131072 --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=3336 /prefetch:1
  2⤵
  PID:1204
- 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=2136,4303496852520409593,9442663424091490005,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5204 /prefetch:8
  2⤵
  PID:1488
- 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=2136,4303496852520409593,9442663424091490005,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5204 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2004

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1448

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5080

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

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

Filesize
152B

MD5
3423d7e71b832850019e032730997f69

SHA1
bbc91ba3960fb8f7f2d5a190e6585010675d9061

SHA256
53770e40359b9738d8898520d7e4a57c28498edddbadf76ec4a599837aa0c649

SHA512
03d5fee4152300d6c5e9f72c059955c944c7e6d207e433e9fdd693639e63ea699a01696d7bbf56d2033fd52ad260c9ae36a2c5c888112d81bf7e04a3f273e65d

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

Filesize
5KB

MD5
90b0a3f207596d118dd43e70b0db04bf

SHA1
0a30dd16be383cddf511b2a2071ddfb566b7cfd5

SHA256
41213723d8988681d0cd18ce95c79b4f99fb38616652f5cf385acd793ca40024

SHA512
a0fd83d986c6bac77ce37e98e153e487d21d179bee97e0d58166fedb492e962f39c35f768915150326bc5049ae2275f94588ee6a514fed9c21d38856f410057e

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
e7a62ad801d341be3494b0b72f912bdf

SHA1
4ec740e41e23ff132090a2bfe890ce6fd6adbd33

SHA256
906e3acab04856644d356d3fce4c76e48c4a0d48b1201a0fa201545c5ed0a326

SHA512
05b62a3890eacf5a05c8120cde72a44d4d8128bf3d4988b9e815d8fb56336ea89a5f9e1d8715e1cdde153d25af6958ea9072541cd440e66da211bbf90b83e170

Download Submit