hxxp://www[.]nfe[.]fazenda[.]gov[.]br/portal

Analysis

max time kernel
18s
max time network
18s
platform
windows10-2004_x64
resource
win10v2004-20230703-en
resource tags

arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
submitted
30/08/2023, 17:25

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General

Target

http://www.nfe.fazenda.gov.br/portal

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 6 IoCs

pid	Process
4380	msedge.exe
4380	msedge.exe
3420	msedge.exe
3420	msedge.exe
2420	identity_helper.exe
2420	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe
3420	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3420 wrote to memory of 4124	3420	msedge.exe	82
PID 3420 wrote to memory of 4124	3420	msedge.exe	82
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 5020	3420	msedge.exe	84
PID 3420 wrote to memory of 4380	3420	msedge.exe	83
PID 3420 wrote to memory of 4380	3420	msedge.exe	83
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85
PID 3420 wrote to memory of 1320	3420	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://www.nfe.fazenda.gov.br/portal
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:3420
- 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,0x100,0x104,0xd8,0x108,0x7ffb0ecd46f8,0x7ffb0ecd4708,0x7ffb0ecd4718
  2⤵
  PID:4124
- 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=2116,14304648208587388475,13234830069992864770,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2224 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4380
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,14304648208587388475,13234830069992864770,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2152 /prefetch:2
  2⤵
  PID:5020
- 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=2116,14304648208587388475,13234830069992864770,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2736 /prefetch:8
  2⤵
  PID:1320
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14304648208587388475,13234830069992864770,131072 --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=3388 /prefetch:1
  2⤵
  PID:1472
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14304648208587388475,13234830069992864770,131072 --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=3248 /prefetch:1
  2⤵
  PID:4044
- 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=2116,14304648208587388475,13234830069992864770,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5480 /prefetch:8
  2⤵
  PID:1812
- 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=2116,14304648208587388475,13234830069992864770,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5480 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2420
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14304648208587388475,13234830069992864770,131072 --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=4592 /prefetch:1
  2⤵
  PID:4728
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14304648208587388475,13234830069992864770,131072 --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=5156 /prefetch:1
  2⤵
  PID:3516
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14304648208587388475,13234830069992864770,131072 --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=4544 /prefetch:1
  2⤵
  PID:3672
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,14304648208587388475,13234830069992864770,131072 --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=5592 /prefetch:1
  2⤵
  PID:3332

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4800

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2532

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
70e2e6954b953053c0c4f3b6e6ad9330

SHA1
cb61ba67b3bffa1d833bb85cc9547669ec46f62f

SHA256
f6e770a3b88ad3fda592419b6c00553bdadc50d5fb466ef872271389977f2ab4

SHA512
eeacb0e62f68f56285f7605963ca9bb82f542d4e2ccc323266c08c9990cecdebd574e1ab304ae08ea8c6c94c50683180f83562f972e92799ebbcfcd8f503fb5a

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
60d4e2328056adf8e2acafe52f0d2dd0

SHA1
c4996b37fd40625db75dbc4dd2784255ed946d51

SHA256
2478a8da665979f949704966e318a0b52182e36746d24a34713be663c48c16bc

SHA512
9b5fb71745eabec6ceb002d741e1cda626b2bdf9ef93508536b7b81367ab553994fb6c1807febdd55d6c5553baa360823768a66f274a27ea54f29828d068f0d7

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

Filesize
5KB

MD5
36e32e4724822977a3167b87c70cfaec

SHA1
dad04cb1befd37e4dd75a75d0d70dc6079e0279e

SHA256
709a93d07ec3e531ce7332fb612705cba4868c0ec718d42a737314e18901b3ab

SHA512
5dac45103832963d66cc54a9729573489907e17b21b06ab93d8916b0dc014b4aaa5e5b2e14d7fe4c0e88dd8b112fcc241ad188dd15a962288a27bef43413903a

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\Default\dd0d04e0-eb1d-43c0-ad81-d58d54ffb89c.tmp

Filesize
24KB

MD5
5a478f1e08816969e8214f982850b754

SHA1
1cf5e7192f3c6e31c7e27b6cb34ebf89036eec0c

SHA256
665cf5612c61412c9acc928b1e155c8f11ae83905ce614d9a1a7ad72cc0fd489

SHA512
7e7ff60c157841f6f5bb206ebbce29f6df3a6c0c671805415ad7226654e13da49ad76e39a6d0afe28992348f3b5685ecacbfb44178fd61998c54caebbfd97832

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

Filesize
11KB

MD5
47596e0593b6cb04b163f0c40219fbf5

SHA1
6b57a297bb4056b34ab262650425dd156b9c85be

SHA256
a71a089fbe9772ea0e5c81afc0714159e74115c252cf77cb916e972e23f5f2a1

SHA512
41ee03505ab7a19ad24d30cf6f705186c95802ee1dbd6265e0d0182d9a90233dfd56a56cce15c31b37ceb5050ff3e013fdb614a1234d1ccce2ecb05370f0289d

Download Submit