hxxp://eldorado-nfse[.]govcloud[.]com[.]br/nfse[.]portal/Prestador/Nota/VisualizarDetalhes?nota=jZdNXnnLNt0=

Analysis

max time kernel
56s
max time network
60s
platform
windows10-2004_x64
resource
win10v2004-20231023-en
resource tags

arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
submitted
21/11/2023, 16:33

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General

Target

http://eldorado-nfse.govcloud.com.br/nfse.portal/Prestador/Nota/VisualizarDetalhes?nota=jZdNXnnLNt0=

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

Modifies data under HKEY_USERS 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-19\Software\Microsoft\Cryptography\TPM\Telemetry	chrome.exe
Set value (int)	\REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Cryptography\TPM\Telemetry\TraceTimeLast = "133450580181563449"	chrome.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5020	chrome.exe
5020	chrome.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

description	pid	Process
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe
Token: SeShutdownPrivilege	5020	chrome.exe
Token: SeCreatePagefilePrivilege	5020	chrome.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe
5020	chrome.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 5020 wrote to memory of 4896	5020	chrome.exe	85
PID 5020 wrote to memory of 4896	5020	chrome.exe	85
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 588	5020	chrome.exe	88
PID 5020 wrote to memory of 2728	5020	chrome.exe	89
PID 5020 wrote to memory of 2728	5020	chrome.exe	89
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90
PID 5020 wrote to memory of 3908	5020	chrome.exe	90

C:\Program Files\Google\Chrome\Application\chrome.exe
"C:\Program Files\Google\Chrome\Application\chrome.exe" --disable-background-networking --disable-component-update --simulate-outdated-no-au='Tue, 31 Dec 2099 23:59:59 GMT' --single-argument http://eldorado-nfse.govcloud.com.br/nfse.portal/Prestador/Nota/VisualizarDetalhes?nota=jZdNXnnLNt0=
1⤵
- Enumerates system info in registry
- Modifies data under HKEY_USERS
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5020
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Google\Chrome\User Data" --url=https://clients2.google.com/cr/report --annotation=channel= --annotation=plat=Win64 --annotation=prod=Chrome --annotation=ver=106.0.5249.119 --initial-client-data=0xfc,0x100,0x104,0xd8,0x108,0x7ff9069d9758,0x7ff9069d9768,0x7ff9069d9778
  2⤵
  PID:4896
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1652 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:2
  2⤵
  PID:588
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2132 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:8
  2⤵
  PID:2728
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2216 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:8
  2⤵
  PID:3908
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=2976 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:1
  2⤵
  PID:2100
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --first-renderer-process --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=2968 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:1
  2⤵
  PID:1452
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.ProcessorMetrics --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4376 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:8
  2⤵
  PID:3776
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=utility --utility-sub-type=chrome.mojom.UtilWin --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=4604 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:8
  2⤵
  PID:1944
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --mojo-platform-channel-handle=4580 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:1
  2⤵
  PID:3760
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=10 --mojo-platform-channel-handle=4428 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:1
  2⤵
  PID:2168
- C:\Program Files\Google\Chrome\Application\chrome.exe
  "C:\Program Files\Google\Chrome\Application\chrome.exe" --type=renderer --display-capture-permissions-policy-allowed --enable-chrome-cart --lang=en-US --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=11 --mojo-platform-channel-handle=3748 --field-trial-handle=1872,i,14799977567250815292,3620073133794391261,131072 /prefetch:1
  2⤵
  PID:4756

C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe
"C:\Program Files\Google\Chrome\Application\106.0.5249.119\elevation_service.exe"
1⤵
PID:1620

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\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
ff8174d88051df6fd76602e58aac623d

SHA1
d64b38d3d7a87dc5bb7c62738939f9b50b6d2d52

SHA256
8fd20f30992b90aa1b70838420ad1fac8bbd9a41cc8a359f3c120b11b9cc4009

SHA512
2c1bfc50b7591df90b13b557ff7c91bf92f1475798d2ddff7124c734d751ddfc5d70c35a7ada03073a7dd26c8a703c6a513b410d80acedaab8739e21cbad5776

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\Preferences

Filesize
5KB

MD5
191c680223bc30cb1d28dcedc7bd1f20

SHA1
88731b4f86ef7ecde109865bcf0bc172efcd4917

SHA256
c58814c77e241bdc3111c3ceadd60e9db65ac64e62750caeeedf3267db14181e

SHA512
c7fa43c2c9f737cc4aa2442e640bfe32adbbf1d08daee9ca456fbb08db6928924b0d1aea45fb7b3d8d52307cd4ce51a716bdd0c60680dc1ed8acf3717c0ce905

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Local State

Filesize
109KB

MD5
d8e41c5e99b80a216457e6224d0f67f9

SHA1
54ce7a0d35e60f8b3e0468343ce1d3aec23ea931

SHA256
96595cdf53696ef7b84a272f3e79b37065eb01e84ac8ca1ef60e908277af1036

SHA512
346d5977f0540f9b4259b104f7f7e523e3736a5b7f5c21c6c81f51e3305c59f7fe5a946f6c925586c77cda322d8b9a30e7a92c0625b58750c9c670784039339d

Download Submit
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\persisted_first_party_sets.json

Filesize
2B

MD5
99914b932bd37a50b983c5e7c90ae93b

SHA1
bf21a9e8fbc5a3846fb05b4fa0859e0917b2202f

SHA256
44136fa355b3678a1146ad16f7e8649e94fb4fc21fe77e8310c060f61caaff8a

SHA512
27c74670adb75075fad058d5ceaf7b20c4e7786c83bae8a32f626f9782af34c9a33c2046ef60fd2a7878d378e29fec851806bbd9a67878f3a9f1cda4830763fd

Download Submit