hxxps://github[.]com/esp8266/Arduino/tree/master/cores/esp8266/umm_malloc

Analysis

max time kernel
192s
max time network
206s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
06/09/2024, 13:02

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

https://github.com/esp8266/Arduino/tree/master/cores/esp8266/umm_malloc

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 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 11 IoCs

pid	Process
2488	msedge.exe
2488	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
1200	identity_helper.exe
1200	identity_helper.exe
2096	msedge.exe
2096	msedge.exe
2096	msedge.exe
2096	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe
3456	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 3456 wrote to memory of 4100	3456	msedge.exe	83
PID 3456 wrote to memory of 4100	3456	msedge.exe	83
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 4532	3456	msedge.exe	84
PID 3456 wrote to memory of 2488	3456	msedge.exe	85
PID 3456 wrote to memory of 2488	3456	msedge.exe	85
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86
PID 3456 wrote to memory of 4580	3456	msedge.exe	86

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/esp8266/Arduino/tree/master/cores/esp8266/umm_malloc
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:3456
- 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,0x100,0x104,0xd8,0x108,0x7ffd8d7d46f8,0x7ffd8d7d4708,0x7ffd8d7d4718
  2⤵
  PID:4100
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2132 /prefetch:2
  2⤵
  PID:4532
- 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=2104,7753728238812373108,2658396521005326580,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2204 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2488
- 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=2104,7753728238812373108,2658396521005326580,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2824 /prefetch:8
  2⤵
  PID:4580
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --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:2492
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --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=3372 /prefetch:1
  2⤵
  PID:2148
- 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=2104,7753728238812373108,2658396521005326580,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  PID:4380
- 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=2104,7753728238812373108,2658396521005326580,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5512 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1200
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --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=5504 /prefetch:1
  2⤵
  PID:3656
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --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=5180 /prefetch:1
  2⤵
  PID:4888
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --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=3380 /prefetch:1
  2⤵
  PID:1868
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --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=3440 /prefetch:1
  2⤵
  PID:2240
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,7753728238812373108,2658396521005326580,131072 --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=1716 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2096

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1740

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1252

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

Loading Replay Monitor...

Downloads

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

Filesize
152B

MD5
ab8ce148cb7d44f709fb1c460d03e1b0

SHA1
44d15744015155f3e74580c93317e12d2cc0f859

SHA256
014006a90e43ea9a1903b08b843a5aab8ad3823d22e26e5b113fad5f9fa620ff

SHA512
f685423b1eaee18a2a06030b4b2977335f62499c0041c142a92f6e6f846c2b9ce54324b6ae94efbbb303282dcda70e2b1597c748fddc251c0b3122a412c2d7c4

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

Filesize
152B

MD5
38f59a47b777f2fc52088e96ffb2baaf

SHA1
267224482588b41a96d813f6d9e9d924867062db

SHA256
13569c5681c71dc42ab57d34879f5a567d7b94afe0e8f6d7c6f6c1314fb0087b

SHA512
4657d13e1bb7cdd7e83f5f2562f5598cca12edf839626ae96da43e943b5550fab46a14b9018f1bec90de88cc714f637605531ccda99deb9e537908ddb826113b

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

Filesize
2KB

MD5
6bae85bd8e7c097a3d810e9167d461fe

SHA1
999fda4bd42b8db423c88f009cf83619dd5514e7

SHA256
dea7d237a57e99e53e71758afb986abce5bcc76fbcb389a577233a00d9f02a0c

SHA512
0d2a6d1f00535f4efd9f18a254c3aa0ba55999fbeb2031c902a2e04ad66812809e41994dd7d2f5672618c3903d4d35dd831b3ffc336e4f8201185af89cc76d6d

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

Filesize
496B

MD5
c4897aa78d9edac4710b6abd9081210d

SHA1
82fff6d6a6c64af2e1e64a0a56c46cfc2a3470bf

SHA256
1c2dbad9b7fe623f7907fe8875ae1df241de6ea09e8dbb063b885983420fc005

SHA512
207439940f16c3a029f465c4f4b6d290f15deea00c5d46365d2bbe5a27c48371315a7a5e39366638a4d256c843470b6e9acd6fc7c0b85aac10dde6176aba026c

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

Filesize
5KB

MD5
7ca4982e3ac90f1088fc5e005b6f2774

SHA1
15412635fed304546c74d0bc817d55063e371b89

SHA256
f4b1879ce20272fb5477572fa2aad2a9c9595e04c8b3c264bf874723eac960bf

SHA512
0818f8e8abc603eb7054d1a6e0c231f1fedf3f6ab283c817b7b315f19d8fac45ffd5f226c0e2b0ec11c73aab2ab2d689dd3936e08ad374ec5af50e850bba9691

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

Filesize
6KB

MD5
ba1b8854561eecf1212692cd262185c7

SHA1
355a17673b2a3cec083814817ec9d9b3abe1a12c

SHA256
1de4f7a849a26d33d9de70a812922375ebd506a080c29c84bb217d52c4bdcfa7

SHA512
2e7b916df5b81e5effce2c123faeff05649a74813237fd103301b0bcb31e5e6a97c4e8d422039639d115a42bf6e37618a916bddd0b5de25601c62200533a320b

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
a6ff269ade50148d68d1356f10400c5e

SHA1
f0ca6ab00e9d540bbef71ab377b9668b5c387f10

SHA256
9231d74cd95bd10c86071a849e8512e0badb6859d005c08deb33d8654d71d49f

SHA512
85d764f42fb9d4935a3a8f50e630607ac4be72cc2956d21345b23414204252d417565bb0cba4f39469d965486e9b8bbb80cb44969bdae9e0568384371e642e06

Download Submit