hxxps://github[.]com/pizzaboxer/bloxstrap/releases/tag/v2[.]7[.]0

Resubmissions

26/07/2024, 19:49

240726-yjs1ra1bpk 8

26/07/2024, 19:47

240726-yhjexstfmb 3

26/07/2024, 19:44

240726-yf17ystemd 5

26/07/2024, 19:40

240726-yd146stdkg 7

Analysis

max time kernel
480s
max time network
592s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26/07/2024, 19:47

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General

Target

https://github.com/pizzaboxer/bloxstrap/releases/tag/v2.7.0

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 10 IoCs

pid	Process
2432	msedge.exe
2432	msedge.exe
1572	msedge.exe
1572	msedge.exe
3404	identity_helper.exe
3404	identity_helper.exe
1488	msedge.exe
1488	msedge.exe
1488	msedge.exe
1488	msedge.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 6 IoCs

pid	Process
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe

Suspicious use of FindShellTrayWindow 25 IoCs

pid	Process
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe
1572	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 1572 wrote to memory of 4008	1572	msedge.exe	84
PID 1572 wrote to memory of 4008	1572	msedge.exe	84
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 4548	1572	msedge.exe	85
PID 1572 wrote to memory of 2432	1572	msedge.exe	86
PID 1572 wrote to memory of 2432	1572	msedge.exe	86
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87
PID 1572 wrote to memory of 4728	1572	msedge.exe	87

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://github.com/pizzaboxer/bloxstrap/releases/tag/v2.7.0
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:1572
- 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,0x100,0x104,0xd8,0x108,0x7ff9cf3c46f8,0x7ff9cf3c4708,0x7ff9cf3c4718
  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=2208,15208255086227985361,2339862429229596549,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2220 /prefetch:2
  2⤵
  PID:4548
- 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=2208,15208255086227985361,2339862429229596549,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2276 /prefetch:3
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:2432
- 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=2208,15208255086227985361,2339862429229596549,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2896 /prefetch:8
  2⤵
  PID:4728
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,15208255086227985361,2339862429229596549,131072 --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=3376 /prefetch:1
  2⤵
  PID:1936
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,15208255086227985361,2339862429229596549,131072 --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=3420 /prefetch:1
  2⤵
  PID:4224
- 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=2208,15208255086227985361,2339862429229596549,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5256 /prefetch:8
  2⤵
  PID:2332
- 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=2208,15208255086227985361,2339862429229596549,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5256 /prefetch:8
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:3404
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,15208255086227985361,2339862429229596549,131072 --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=5408 /prefetch:1
  2⤵
  PID:400
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,15208255086227985361,2339862429229596549,131072 --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=5584 /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=2208,15208255086227985361,2339862429229596549,131072 --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=3768 /prefetch:1
  2⤵
  PID:928
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2208,15208255086227985361,2339862429229596549,131072 --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=5504 /prefetch:1
  2⤵
  PID:3272
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2208,15208255086227985361,2339862429229596549,131072 --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=4860 /prefetch:2
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  PID:1488

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:804

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:5088

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
584971c8ba88c824fd51a05dddb45a98

SHA1
b7c9489b4427652a9cdd754d1c1b6ac4034be421

SHA256
e2d8de6c2323bbb3863ec50843d9b58a22e911fd626d31430658b9ea942cd307

SHA512
5dbf1a4631a04d1149d8fab2b8e0e43ccd97b7212de43b961b9128a8bf03329164fdeb480154a8ffea5835f28417a7d2b115b8bf8d578d00b13c3682aa5ca726

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

Filesize
152B

MD5
b28ef7d9f6d74f055cc49876767c886c

SHA1
d6b3267f36c340979f8fc3e012fdd02c468740bf

SHA256
fa6804456884789f4bdf9c3f5a4a8f29e0ededde149c4384072f3d8cc85bcc37

SHA512
491f893c8f765e5d629bce8dd5067cef4e2ebc558d43bfb05e358bca43e1a66ee1285519bc266fd0ff5b5e09769a56077b62ac55fa8797c1edf6205843356e75

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

Filesize
1KB

MD5
ae58ac4238fad7f803504bda692eefba

SHA1
bba5ca166df6a4ced528660816769ec72b8e6e46

SHA256
190ab65e9741b4976f36140ae73fc521414051782da7ebb25100b5fe5f647fa2

SHA512
cc40a2c1ce0b80e2f30a3b65834fe79ea3c23ae7691e323725c8dc092a78a14539111103845bd0501d13b7abd922151869acac351a91656c3e43eb49022f2cce

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

Filesize
496B

MD5
d22266ba3d8db30279b96944f0cec985

SHA1
44e288cdfe75a5e8299ce32e75dd9e0705cdbac9

SHA256
77873629fa695e434160c86ae9116906ff65a97666d7d35a3ed63221b627c0bf

SHA512
d463aecbdac835dace5544b4267c86c2ed7d3165ba95095db6dfc3a25655f2391fa202a81d37b4a76a36f04456ed86df137302ad0e456fd59ecdfee3c69c6c1b

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

Filesize
5KB

MD5
e80a2d06f72f3d8851cd573df7edb19a

SHA1
f159774ced40a483795e630c5308221723a3cba7

SHA256
dbe60e1359921d689d2a6474dfb6476582150e48632d00c173a1a15f5be60806

SHA512
3fa2bac8516887700fc6d89ae716c98eb4bfac30254e2f3f3a72ce420b5434821e82cbadc5832d23b9b884247c5aab599cbb276dcaea15f25844d11ab2175761

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

Filesize
6KB

MD5
b535e6f506c76ca0bf6ed61b963a8119

SHA1
70fb8a5cc1ffc0dd3973e9c83da62d006e230786

SHA256
ac3c6cedbc43167a7327cc62babe055461f8a6d2d1c88d18f8dd5b627ea2913d

SHA512
96b377f6d88288f806f85e8102e1a05d48c1e90e17b3e289cf84dbd2c652b983458e7a82c307d0caec0a1c018e6dee4914e360103e9766c31c354551c29712be

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
11KB

MD5
01bfbcd378796f0f29e2ac568a0deda8

SHA1
61dfd9370eacea21fcb76a05e7fae49dbef2d381

SHA256
37de8f9d623202f9c5cec40be1ed23d5d61fa384055827f429de003ef7ba2bfd

SHA512
2a0f642e30103f4a21f8779d2c7340a38a15a73b0e490e5a7eae54ad35f653fb543e00547a39bfdd263716b74bfd5f04690af827d3bf4f932feea19a982fd8e3

Download Submit