hxxps://res[.]cdn[.]office[.]net/assets/mail/file-icon/png/pdf_16x16[.]png

Analysis

max time kernel
145s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
31/05/2024, 18:28

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General

Target

https://res.cdn.office.net/assets/mail/file-icon/png/pdf_16x16.png

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

Suspicious behavior: EnumeratesProcesses 10 IoCs

pid	Process
1488	msedge.exe
1488	msedge.exe
3196	msedge.exe
3196	msedge.exe
4616	identity_helper.exe
4616	identity_helper.exe
3712	msedge.exe
3712	msedge.exe
3712	msedge.exe
3712	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe
3196	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3196 wrote to memory of 1204	3196	msedge.exe	82
PID 3196 wrote to memory of 1204	3196	msedge.exe	82
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 920	3196	msedge.exe	83
PID 3196 wrote to memory of 1488	3196	msedge.exe	84
PID 3196 wrote to memory of 1488	3196	msedge.exe	84
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85
PID 3196 wrote to memory of 2676	3196	msedge.exe	85

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://res.cdn.office.net/assets/mail/file-icon/png/pdf_16x16.png
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:3196
- 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,0x100,0x104,0xd8,0x108,0x7ffd7e6746f8,0x7ffd7e674708,0x7ffd7e674718
  2⤵
  PID:1204
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2160 /prefetch:2
  2⤵
  PID:920
- 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=2148,2414531656568841709,16623759932335880939,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2212 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1488
- 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=2148,2414531656568841709,16623759932335880939,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2704 /prefetch:8
  2⤵
  PID:2676
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --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=3340 /prefetch:1
  2⤵
  PID:424
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --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=3380 /prefetch:1
  2⤵
  PID:1772
- 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=2148,2414531656568841709,16623759932335880939,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5132 /prefetch:8
  2⤵
  PID:700
- 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=2148,2414531656568841709,16623759932335880939,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5132 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:4616
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --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=5268 /prefetch:1
  2⤵
  PID:2732
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --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=4704 /prefetch:1
  2⤵
  PID:388
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --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=4084 /prefetch:1
  2⤵
  PID:4116
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --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=5552 /prefetch:1
  2⤵
  PID:3492
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2148,2414531656568841709,16623759932335880939,131072 --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=1828 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3712

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4156

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:3444

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
1ac52e2503cc26baee4322f02f5b8d9c

SHA1
38e0cee911f5f2a24888a64780ffdf6fa72207c8

SHA256
f65058c6f1a745b37a64d4c97a8e8ee940210273130cec97a67f568088b5d4d4

SHA512
7670d606bc5197ecb7db3ddaecd6f74a80e6decae92b94e0e8145a7f463fa099058e89f9dfa1c45b9197c36e5e21994698186a2ec970bbdb0937fe28ca46a834

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

Filesize
152B

MD5
b2a1398f937474c51a48b347387ee36a

SHA1
922a8567f09e68a04233e84e5919043034635949

SHA256
2dc0bf08246ddd5a32288c895d676017578d792349ca437b1b36e7b2f0ade6d6

SHA512
4a660c0549f7a850e07d8d36dab33121af02a7bd7e9b2f0137930b4c8cd89b6c5630e408f882684e6935dcb0d5cb5e01a854950eeda252a4881458cafcc7ef7c

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

Filesize
274B

MD5
fccafff39cabc85606aa9de04658ba6a

SHA1
f4143ed71311a60f1539cb9b105a5a5ab7e05f56

SHA256
9359284b391145d67f32615776a184d77383964ad23d17386daa25d953a65340

SHA512
4691d0e80ee42ce372ae820e4a61139961e40859bbe7bb6519f4b354885bb713eb8fcbf1611e0a6662f8a5b55f3223b4fa8cd352f58d755f6d2819d424c07aae

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

Filesize
5KB

MD5
344efba9de71f48cfad103c5a27dfcb8

SHA1
795b645a158aaea98f688fba0b5ec2750bf9d4b1

SHA256
10de874519f555d311f3df0a4f2d0f7004adac14b124e53862a7539d643a4ea8

SHA512
df02e6d9ed0792c75c860385a587d60eb08ed60ad7f538d0b0b88e50e6419277fdab4b3d5059fa0091fac6aa157b3418aaee1ca657881e4606ca21e69f3cbef5

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

Filesize
6KB

MD5
50724d13ea813bc11db1a3bbfaf1d5c8

SHA1
0d53ed80934e90539deef3cea8e89be48b2eb0c3

SHA256
38f5b5cd388996687c7ffde0869bde6107c4821d74eecddfb8c529b6cef7ebbf

SHA512
a88c871d5e2384913dc3fbc3314133539d3f4a9bf5f0d603e19ecd0e1ae8a6618dc68bb3fb4a90ade96dc5f45fcbd51fee31b61c699a635ed88ac3e12935c335

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
bcca5faf69b8151e4ce4f139a1fe084c

SHA1
47fdd2ff22e858ea59f346a71f241b2272506b3e

SHA256
79930267e04276280f7611b01bbf6dcbcb3543e63f0e525eb3de5aaf11da5b8c

SHA512
929cc61c8a9c4114e709dafe647875dac647be77fca9aa143fa0ee0326a775285d1002d5ab59b6b41555e4db5487c24229432ed72294f764ff4f330ecb643030

Download Submit