hxxps://govtaxpaid[.]top/av/

Analysis

max time kernel
151s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20230824-en
resource tags

arch:x64arch:x86image:win10v2004-20230824-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2023, 04:59

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General

Target

https://govtaxpaid.top/av/

Score

5^/10

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{CA13A64E-948E-4716-83CF-A3B5B8B0253B}.catalogItem	svchost.exe

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
4836	msedge.exe
4836	msedge.exe
2736	msedge.exe
2736	msedge.exe
1952	identity_helper.exe
1952	identity_helper.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe
1352	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe
2736	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2736 wrote to memory of 4896	2736	msedge.exe	85
PID 2736 wrote to memory of 4896	2736	msedge.exe	85
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 5012	2736	msedge.exe	88
PID 2736 wrote to memory of 4836	2736	msedge.exe	87
PID 2736 wrote to memory of 4836	2736	msedge.exe	87
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89
PID 2736 wrote to memory of 4392	2736	msedge.exe	89

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://govtaxpaid.top/av/
1⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:2736
- 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,0x100,0x104,0xd8,0x108,0x7ffa71a946f8,0x7ffa71a94708,0x7ffa71a94718
  2⤵
  PID:4896
- 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=2228,14951136204444241095,8448959940768276226,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2200 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4836
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2240 /prefetch:2
  2⤵
  PID:5012
- 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=2228,14951136204444241095,8448959940768276226,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2876 /prefetch:8
  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=2228,14951136204444241095,8448959940768276226,131072 --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=3412 /prefetch:1
  2⤵
  PID:5024
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=3452 /prefetch:1
  2⤵
  PID:208
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=4496 /prefetch:1
  2⤵
  PID:3256
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=3640 /prefetch:1
  2⤵
  PID:1640
- 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=2228,14951136204444241095,8448959940768276226,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5336 /prefetch:8
  2⤵
  PID:4916
- 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=2228,14951136204444241095,8448959940768276226,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5336 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1952
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=5448 /prefetch:1
  2⤵
  PID:1820
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=4660 /prefetch:1
  2⤵
  PID:3244
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=4636 /prefetch:1
  2⤵
  PID:1800
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=2864 /prefetch:1
  2⤵
  PID:3916
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=1792 /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=2228,14951136204444241095,8448959940768276226,131072 --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=4860 /prefetch:1
  2⤵
  PID:1688
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2228,14951136204444241095,8448959940768276226,131072 --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=2520 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1352

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
PID:1432

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2908

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:948

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
3590c7788f1f36717cbd298007259a6f

SHA1
9e9a602016435a1d642e18a54d8d6589f938a5bb

SHA256
09a08de2fcd19e304c3b8f6e04f5e4da257a3f18759827be4e9c6af862412174

SHA512
07df3ee7e2d4a313c996c6b8451450556a75e5ac8e4d10595f255164fdd25d6bc596ad579d90f6496c78a15a3c6fc349d748dd7c5f4b2b51d330c52577e2988a

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
6bf0217a1b87912673c940ded3909125

SHA1
95f513bf5f5038ff9c618dd43bc4209de57ac196

SHA256
15af16ff336f3c12c06d580bc1ddc480279f6cb7bf46e919589a1085df6dad47

SHA512
3c2e2390c3bd6d9a7aa1b43e0ad060a807d532337ae7febc77167734a4eef0b08b7dc57b070a193c213c051d2443be82910c5b279b3d5a9782e449617cc6cc26

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

Filesize
5KB

MD5
8abb19bbd482d77b8e8001bcfaaab57c

SHA1
080c2f442c1bdc051957167b3a743e16faa20d60

SHA256
07cf3998608c124668800929c1eabb5da1686fabcaaf046f366d84f3d40ffda6

SHA512
07357ea347fdbf454a895e9bdb5a7365ba0e7f116dcc19f780804588d639ba81549729fc858c4e4fb19ca8bd83eedfd06e08d33925a67d8a312a364617ac1f0a

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

Filesize
24KB

MD5
a128973ca2ca245299ef7e60156b4ef8

SHA1
d39a437204591bbff98d673e6d1c4f869683ebcc

SHA256
5c6e1f3c7213460c24dc670521adbe32ec76df5e3facc0a7b92a3fa9e340b302

SHA512
bbbdbe2fae61c2a27b4aadfbda2efae2675156dcea6edb8b45fbe83f397f8a1f50d694d8bcd1f53939a277722baf102f3f80caffadfcf0ca80d7408d77d8c490

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\f794e323-8d3f-4090-a566-912e3601e74b.tmp

Filesize
11KB

MD5
ef00b895713ca934184e729dd92b7a6e

SHA1
556c8fa0eb98c6d01cd75812ce90ffda1411adc7

SHA256
0bc0c44b57b45c9848714d0073b458b7bc1d5d678df4a17a15a462646dedec7f

SHA512
4c544c274c0ac788da2ca5bd91339a12a30c42c02104f040c69fcdc95845f961926a01e8525e709c6de4f27253a1cd588463b200ba94e5846925773a1e744465

Download Submit