hxxps://app[.]peardeck[.]com/student/tmtdhgqgx

Resubmissions

20/02/2024, 21:07

240220-zyqplseh8y 1

20/02/2024, 14:59

240220-scwkeaab5s 1

Analysis

max time kernel
9s
max time network
10s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
20/02/2024, 14:59

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General

Target

https://app.peardeck.com/student/tmtdhgqgx

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 6 IoCs

pid	Process
828	msedge.exe
828	msedge.exe
3996	msedge.exe
3996	msedge.exe
3504	identity_helper.exe
3504	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 5 IoCs

pid	Process
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe
3996	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3996 wrote to memory of 1732	3996	msedge.exe	18
PID 3996 wrote to memory of 1732	3996	msedge.exe	18
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 1120	3996	msedge.exe	88
PID 3996 wrote to memory of 828	3996	msedge.exe	87
PID 3996 wrote to memory of 828	3996	msedge.exe	87
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89
PID 3996 wrote to memory of 3856	3996	msedge.exe	89

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://app.peardeck.com/student/tmtdhgqgx
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:3996
- 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,0x100,0x104,0xd8,0x108,0x7ff9189c46f8,0x7ff9189c4708,0x7ff9189c4718
  2⤵
  PID:1732
- 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=2116,13685280210431576284,5596463663006624613,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2316 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:828
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2116,13685280210431576284,5596463663006624613,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2244 /prefetch:2
  2⤵
  PID:1120
- 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=2116,13685280210431576284,5596463663006624613,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2764 /prefetch:8
  2⤵
  PID:3856
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,13685280210431576284,5596463663006624613,131072 --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=3344 /prefetch:1
  2⤵
  PID:2600
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,13685280210431576284,5596463663006624613,131072 --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=3328 /prefetch:1
  2⤵
  PID:232
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,13685280210431576284,5596463663006624613,131072 --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=4800 /prefetch:1
  2⤵
  PID:3040
- 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=2116,13685280210431576284,5596463663006624613,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5572 /prefetch:8
  2⤵
  PID:1192
- 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=2116,13685280210431576284,5596463663006624613,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5572 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3504
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,13685280210431576284,5596463663006624613,131072 --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=10 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=5332 /prefetch:1
  2⤵
  PID:3596
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2116,13685280210431576284,5596463663006624613,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=4 --enable-main-frame-before-activation --renderer-client-id=9 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4100 /prefetch:1
  2⤵
  PID:2664

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:516

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:948

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
5e77545b7e1c504b2f5ce7c5cc2ce1fe

SHA1
d81a6af13cf31fa410b85471e4509124ebeaff7e

SHA256
cbb617cd6cde793f367df016b200d35ce3c521ab901bbcb52928576bb180bc11

SHA512
cbc65c61334a8b18ece79acdb30a4af80aa9448c3edc3902b00eb48fd5038bf6013d1f3f6436c1bcb637e78c485ae8e352839ca3c9ddf7e45b3b82d23b0e6e37

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

Filesize
5KB

MD5
510008f91b1a86ee6d74341d63c7a138

SHA1
b1184e49d317f7b287181d3b50162dd8b0030899

SHA256
87543a9cbef9a80918a42903fe27e531a18dc30a4111f5ef5633685fd611f017

SHA512
f1f34e32be840d25a2ad37ce3d069c0339b7e170741082a8c9bde529fa134dbbdae0799c23306a6ae9fd4559e14ab9727e70aa3d993ad7a50203de032c865c97

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