hxxp://api-caixaonline-cer2[.]s3caceisinternal[.]com[.]br

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/09/2024, 12:58

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General

Target

http://api-caixaonline-cer2.s3caceisinternal.com.br

Score

3^/10

discovery

Malware Config

Signatures

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

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

Suspicious behavior: EnumeratesProcesses 11 IoCs

pid	Process
3748	msedge.exe
3748	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
2928	identity_helper.exe
2928	identity_helper.exe
684	msedge.exe
684	msedge.exe
684	msedge.exe
684	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 10 IoCs

pid	Process
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe
4504	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4504 wrote to memory of 4008	4504	msedge.exe	82
PID 4504 wrote to memory of 4008	4504	msedge.exe	82
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 1824	4504	msedge.exe	83
PID 4504 wrote to memory of 3748	4504	msedge.exe	84
PID 4504 wrote to memory of 3748	4504	msedge.exe	84
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85
PID 4504 wrote to memory of 2848	4504	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument http://api-caixaonline-cer2.s3caceisinternal.com.br
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:4504
- 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,0x100,0x104,0xd8,0x108,0x7ff9023646f8,0x7ff902364708,0x7ff902364718
  2⤵
  PID:4008
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2220 /prefetch:2
  2⤵
  PID:1824
- 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=2136,6660414210017568034,701588587180194154,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2272 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3748
- 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=2136,6660414210017568034,701588587180194154,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2800 /prefetch:8
  2⤵
  PID:2848
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=3236 /prefetch:1
  2⤵
  PID:2592
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=3276 /prefetch:1
  2⤵
  PID:1848
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=4608 /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=2136,6660414210017568034,701588587180194154,131072 --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=3236 /prefetch:1
  2⤵
  PID:616
- 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=2136,6660414210017568034,701588587180194154,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5060 /prefetch:8
  2⤵
  PID:4844
- 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=2136,6660414210017568034,701588587180194154,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5060 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2928
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=4576 /prefetch:1
  2⤵
  PID:3776
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=4696 /prefetch:1
  2⤵
  PID:4876
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=4952 /prefetch:1
  2⤵
  PID:4968
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=5604 /prefetch:1
  2⤵
  PID:4692
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=1288 /prefetch:1
  2⤵
  PID:1908
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=5796 /prefetch:1
  2⤵
  PID:680
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2136,6660414210017568034,701588587180194154,131072 --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=4556 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:684

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4300

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

T1217

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
f9664c896e19205022c094d725f820b6

SHA1
f8f1baf648df755ba64b412d512446baf88c0184

SHA256
7121d84202a850791c2320385eb59eda4d697310dc51b1fcd4d51264aba2434e

SHA512
3fa5d2c68a9e70e4a25eaac2095171d87c741eec2624c314c6a56f4fa390d6319633bf4c48b1a4af7e9a0451f346beced9693da88cfc7bcba8dfe209cbd1b3ae

Download Submit
C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad\settings.dat

Filesize
152B

MD5
847d47008dbea51cb1732d54861ba9c9

SHA1
f2099242027dccb88d6f05760b57f7c89d926c0d

SHA256
10292fa05d896a2952c1d602a72d761d34bc776b44d6a7df87e49b5b613a8ac1

SHA512
bd1526aa1cc1c016d95dfcc53a78b45b09dde4ce67357fc275ab835dbe1bb5b053ca386239f50cde95ad243a9c1bbb12f7505818577589beecc6084f7b94e83f

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

Filesize
5KB

MD5
eebd635b5c57b81f9e5058999f513990

SHA1
43305c81ac41cae9a3617b168fed36f8067586da

SHA256
997d1bcf6decb7606e68b49128f885662f3f39ef670e3862aec789425e50678a

SHA512
a5d29732338778beaf795e978ab83d8ada95cd336027b1a76c90fb7673d3a79ca4e9a3231fcbb0b1a5b705acf02911df2015b83bd27407c60f20ddadb559755b

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

Filesize
6KB

MD5
f80b38568e60a554875dd7a2e8603e3e

SHA1
7f03ac711026061d22c679287ac31ee44816c56e

SHA256
6a82d42981a042dadba31f63a1c59ff37880379232d77d5de21399058a8cdf42

SHA512
469209c56cdae39d663c5a71421353d874828c756ae93a0b25a8988c38ceebcdfe242ae54c1d259c62724f8c8fb2eb9616f74e3bf9f6d2d916aea4ccb6fefbb1

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
a56ed4a1b5f649e6993c5c7b81f710f0

SHA1
630c7163b8162a7b1c3a58b451876adac5932e36

SHA256
037b2d09e1d4f84c547ce894cbe46edc1213a8e0e5362d1a20cf2d5837808532

SHA512
9278a66fbfac3ffe487009a5c8a61dd0f52294ef3d1e51cce72cce1b1830763519c5528b26d00fc96496718e31783b0c0500ba90e02e9c3f83d1e8d9531ecf37

Download Submit