hxxps://encurtador[.]com[.]br/sFZ18

Resubmissions

02/11/2023, 08:35

231102-kgzhvsbe69 1

02/11/2023, 08:32

231102-ke9wtabe45 1

Analysis

max time kernel
146s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20231020-en
resource tags

arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2023, 08:32

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General

Target

https://encurtador.com.br/sFZ18

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
4768	msedge.exe
4768	msedge.exe
4848	msedge.exe
4848	msedge.exe
1872	identity_helper.exe
1872	identity_helper.exe
3560	msedge.exe
3560	msedge.exe
3560	msedge.exe
3560	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 8 IoCs

pid	Process
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe
4848	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4848 wrote to memory of 1168	4848	msedge.exe	85
PID 4848 wrote to memory of 1168	4848	msedge.exe	85
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 1980	4848	msedge.exe	88
PID 4848 wrote to memory of 4768	4848	msedge.exe	87
PID 4848 wrote to memory of 4768	4848	msedge.exe	87
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89
PID 4848 wrote to memory of 1888	4848	msedge.exe	89

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://encurtador.com.br/sFZ18
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:4848
- 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,0x100,0x104,0xd8,0x108,0x7ff8ec5b46f8,0x7ff8ec5b4708,0x7ff8ec5b4718
  2⤵
  PID:1168
- 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=2112,13938980428404933385,8880365182185932302,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2176 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4768
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2124 /prefetch:2
  2⤵
  PID:1980
- 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=2112,13938980428404933385,8880365182185932302,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2868 /prefetch:8
  2⤵
  PID:1888
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=3444 /prefetch:1
  2⤵
  PID:3840
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=3428 /prefetch:1
  2⤵
  PID:4068
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=5108 /prefetch:1
  2⤵
  PID:4500
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=5252 /prefetch:1
  2⤵
  PID:5100
- 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=2112,13938980428404933385,8880365182185932302,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5568 /prefetch:8
  2⤵
  PID:5008
- 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=2112,13938980428404933385,8880365182185932302,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5568 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1872
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=5696 /prefetch:1
  2⤵
  PID:4460
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=5676 /prefetch:1
  2⤵
  PID:1476
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=12 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5328 /prefetch:1
  2⤵
  PID:2108
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=6020 /prefetch:1
  2⤵
  PID:2256
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2112,13938980428404933385,8880365182185932302,131072 --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=2260 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3560

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2192

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:2680

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
483924abaaa7ce1345acd8547cfe77f4

SHA1
4190d880b95d9506385087d6c2f5434f0e9f63e8

SHA256
9a111c2b76c1b5f6d4f702502b9ff4326b7b5682921c2760286dd073824cb684

SHA512
e4ac0a0d5f06e056901c68488e34358a32a5bc7aeffcd82af7eba6043d0fa35eaa67a67c3716dcb661aaca441677819bcba7d35bc4efc6103f3ce32f78e32310

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Default\Code Cache\js\index-dir\the-real-index

Filesize
120B

MD5
947257196cf5dc7e118d5bd59a75b982

SHA1
62f7ef3e4fb3fd30e7e012b20b65b8880d0f41e8

SHA256
9756ad00fdf0572cf82d15257616d5451dd1cdecce2ef8dfc5829934b724645b

SHA512
2755924e1d84576943c0b0bc192ca5d3441668b8adf8011bf1203cf0bd0592f611b5d1cd97cbf79782218a4a8500dfcfc0a1825cc6393d4945a5359a659a92c2

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

Filesize
424B

MD5
8f2d1592fb19cf517648d0a2bf2e4b8f

SHA1
557871537a885a2d644cb9f87b864698641d0ccd

SHA256
8265d0433208bdac36196c44797e32933e352dcb3f5ab221a79f005bcf84d5e3

SHA512
d757336904309412b46c3b65f8dfe4c05bd80bd5473793c9c5f10171bf567b0fb43912dc23b40c87fb67cdb435912b6aa5938cb486f08593a246e248f89c6409

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
7302cf9d9310c787d421609c530cd93c

SHA1
ae1488d3b4c54561ee4bee6faee8c8ff93bae62e

SHA256
32caf7dcf8766668d4da0077bfbeb1edf10360e1162b76d07af854ebe9deb954

SHA512
1f10c92756a37601a98990cf43c706cb570164b605192fc39eaf5a92c88f5c9d98cf8d32b43f3117e8019583fdd3897ac2eb67e23e784dcfca750914cef3d037

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

Filesize
5KB

MD5
2577b7776a01b7134b0c6d7a57f135c7

SHA1
3ca337473ac7d7df1dc92c1e165ee88e4fa67f4e

SHA256
a3c14115ace2f72cf27892342e0cdd91f7a5d8485145022203619cec35b95446

SHA512
83c1606ecd6f021bbdd60fc31911acebc8f6eefbf812ac81ecedb689dbbe765ad656b63b43c4f58add154129a584fb37d2e30775816f7c89597e9dbf636a9cc4

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

Filesize
24KB

MD5
1c706d53e85fb5321a8396d197051531

SHA1
0d92aa8524fb1d47e7ee5d614e58a398c06141a4

SHA256
80c44553381f37e930f1c82a1dc2e77acd7b955ec0dc99d090d5bd6b32c3c932

SHA512
d43867392c553d4afffa45a1b87a74e819964011fb1226ee54e23a98fc63ca80e266730cec6796a2afa435b1ea28aed72c55eae1ae5d31ec778f53be3e2162fc

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
10KB

MD5
5d125644b22a684e2f0f794eedb2dd51

SHA1
72f25ef64925d08b504c72832f65b9847335bd0c

SHA256
90fc18896b711fee9a120c25ff72f42c779eca9f1376dc8ce3eb96b3aef61935

SHA512
07be63fad313ed6f85878dfce7e96a7165e0d842813e99c76de5034f3915021ecabf47cdd6335fe56fc53700f3b716eee177ca13a94d0f0880424a97bb910c7f

Download Submit