hxxp://aa[.]down[.]1tez5l[.]cn/

Analysis

max time kernel
150s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
20/07/2023, 05:58

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General

Target

http://aa.down.1tez5l.cn/

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 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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4904	msedge.exe
4904	msedge.exe
4072	msedge.exe
4072	msedge.exe
2832	identity_helper.exe
2832	identity_helper.exe
644	msedge.exe
644	msedge.exe
644	msedge.exe
644	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe
4072	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4072 wrote to memory of 880	4072	msedge.exe	84
PID 4072 wrote to memory of 880	4072	msedge.exe	84
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 1100	4072	msedge.exe	86
PID 4072 wrote to memory of 4904	4072	msedge.exe	87
PID 4072 wrote to memory of 4904	4072	msedge.exe	87
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88
PID 4072 wrote to memory of 4820	4072	msedge.exe	88

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://aa.down.1tez5l.cn/
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:4072
- 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,0x100,0x104,0xd8,0x108,0x7ffaaa5346f8,0x7ffaaa534708,0x7ffaaa534718
  2⤵
  PID:880
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
  2⤵
  PID:1100
- 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=2144,11140820263766488837,10752732315429098136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2032 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4904
- 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=2144,11140820263766488837,10752732315429098136,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2708 /prefetch:8
  2⤵
  PID:4820
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=3220 /prefetch:1
  2⤵
  PID:1124
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=3228 /prefetch:1
  2⤵
  PID:2452
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=4536 /prefetch:1
  2⤵
  PID:3992
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=4524 /prefetch:1
  2⤵
  PID:924
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4916 /prefetch:1
  2⤵
  PID:4568
- 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=2144,11140820263766488837,10752732315429098136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2480 /prefetch:8
  2⤵
  PID:4256
- 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=2144,11140820263766488837,10752732315429098136,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2480 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2832
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=5028 /prefetch:1
  2⤵
  PID:4140
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=4976 /prefetch:1
  2⤵
  PID:4080
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=13 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4956 /prefetch:1
  2⤵
  PID:772
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=3704 /prefetch:1
  2⤵
  PID:1344
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=1048 /prefetch:1
  2⤵
  PID:3600
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2144,11140820263766488837,10752732315429098136,131072 --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=6084 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:644

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2016

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3320

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
fc99b0086d7714fd471ed4acc862ccc0

SHA1
39a3c43c97f778d67413a023d66e8e930d0e2314

SHA256
45ef01f81605bfd96126d5520c5aa0304c7fa7d5fdb3e4d5b2dd2bf84e2afd96

SHA512
c308fa3eda9235d67a506a5f058fefb9a769ec01d7b0d4f5a2397892cc4f8155301c55c1fac23bebacdd087ab3f47f1eacc9ff88eff4115a7d67aa7b1d6581a8

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
73043f83695e5f099364957cce8ea2b7

SHA1
3e8bed661caf3060a3d644ebc073c29eae711497

SHA256
99d0f4d1e3cd97cde0e145b8113065d5b3d568e100d50834f45c148c2ebf7358

SHA512
291864c1cdca0739f2b084fda0fb25af11918a585d5309778eb9f0b6e0b868049b053c559ce53530e4c3c9bfdd20e30063b88dfe86511d050f326e2cd6dde284

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

Filesize
5KB

MD5
d6c23e8425545383ffab14b9a9e14c1a

SHA1
b6861082036a37e07fd98a83621a1a58ef55c884

SHA256
b02972328ba3df4b2f27580cb4c6d119cca9a6907ec2b7da7661b7a849dec1ee

SHA512
0e40d2aff25821cc0bf9cae4a4661e36166dd91c46ec09508d457e1b012e8f9da8caf878689f40c4541cb46eb6cfa7b41003f5dd4b19eb91368b2882fc3125ae

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

Filesize
24KB

MD5
96f00bbd6a174879c58220f95f0115f5

SHA1
d3d7f82b0bf27daf1b3903bfe050c2d05422050f

SHA256
644442e740a8c0bb20f712f6f84f5bf4a81bb29d4e9446b2832ca65618961107

SHA512
e7c5e90eb85aee7b81b9c163f618ad3789a48b256040f6f00eee7fce52c60e1ff491bf0538b9c846fb115b73163710e46a45ce056e3b41ca59d88c421502ccea

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
0d97c8ab23d81f0af7516ca143651039

SHA1
8a2c042b90a4b7856d905f42a64e24900cc0208e

SHA256
38eae4b38c0e93eb3eec6418b421b3794f315eb9cf163c0ef80b9ae280c0b500

SHA512
2c7b97990b50d237fde454a5130313fe6b6466326ef3423af504f5ecd77cdc6ccae12bfc146445850a458eb14c7d2f235fb734890c38d2de9a0070244f1a9794

Download Submit