891846bf656253ca1cdd28584a28681e9604e2a03d74cd6b99313e3bff11daf8

Analysis

max time kernel
150s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
13/10/2024, 16:11

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General

Target

Bloxstrap-v2.7.0.exe
Size

10.1MB
MD5

2c752edef5b0aa0962a3e01c4c82a2fa
SHA1

9c3afd1c63f2b0dbdc2dc487709471222d2cb81e
SHA256

891846bf656253ca1cdd28584a28681e9604e2a03d74cd6b99313e3bff11daf8
SHA512

04d25fe7d40c8c320ffc545a038ad6ea458df6a8a552b0e0393b369a03b9bf273c72f30169bd54e8eb10757c04bdddf3859c601c1eb9e1a12fe4d15658906dfe
SSDEEP

98304:TYd5DQd5Dk9Tsed5DogTrBKvGWD3nIOYoHwfLk3vSmaR0+Mc4AN0edaAHDfysrT4:Tasx3vG6IObAbN0T

Score

7^/10

discovery

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation	Bloxstrap-v2.7.0.exe

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

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
3712	msedge.exe
3712	msedge.exe
3280	msedge.exe
3280	msedge.exe
996	identity_helper.exe
996	identity_helper.exe

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary 2 IoCs

pid	Process
3280	msedge.exe
3280	msedge.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4000	Bloxstrap-v2.7.0.exe

Suspicious use of FindShellTrayWindow 26 IoCs

pid	Process
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe

Suspicious use of SendNotifyMessage 24 IoCs

pid	Process
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe
3280	msedge.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 4000 wrote to memory of 3280	4000	Bloxstrap-v2.7.0.exe	90
PID 4000 wrote to memory of 3280	4000	Bloxstrap-v2.7.0.exe	90
PID 3280 wrote to memory of 4812	3280	msedge.exe	91
PID 3280 wrote to memory of 4812	3280	msedge.exe	91
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 1280	3280	msedge.exe	92
PID 3280 wrote to memory of 3712	3280	msedge.exe	93
PID 3280 wrote to memory of 3712	3280	msedge.exe	93
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94
PID 3280 wrote to memory of 3636	3280	msedge.exe	94

C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0.exe
"C:\Users\Admin\AppData\Local\Temp\Bloxstrap-v2.7.0.exe"
1⤵
- Checks computer location settings
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4000
- C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
  "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://devblogs.microsoft.com/directx/demystifying-full-screen-optimizations/
  2⤵
  - Enumerates system info in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of WriteProcessMemory
  PID:3280
- - 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,0x100,0x104,0xd8,0x108,0x7ffb597946f8,0x7ffb59794708,0x7ffb59794718
    3⤵
    PID:4812
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2068,11264498065459329402,14573755369954536057,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2088 /prefetch:2
    3⤵
    PID:1280
- - 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=2068,11264498065459329402,14573755369954536057,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2364 /prefetch:3
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:3712
- - 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=2068,11264498065459329402,14573755369954536057,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2900 /prefetch:8
    3⤵
    PID:3636
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,11264498065459329402,14573755369954536057,131072 --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=3372 /prefetch:1
    3⤵
    PID:3464
- - C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2068,11264498065459329402,14573755369954536057,131072 --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=3392 /prefetch:1
    3⤵
    PID:3684
- - 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=2068,11264498065459329402,14573755369954536057,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5328 /prefetch:8
    3⤵
    PID:3096
- - 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=2068,11264498065459329402,14573755369954536057,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=5328 /prefetch:8
    3⤵
    - Suspicious behavior: EnumeratesProcesses
    PID:996

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:1452

C:\Windows\System32\CompPkgSrv.exe
C:\Windows\System32\CompPkgSrv.exe -Embedding
1⤵
PID:4320

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
fab8d8d865e33fe195732aa7dcb91c30

SHA1
2637e832f38acc70af3e511f5eba80fbd7461f2c

SHA256
1b034ffe38e534e2b7a21be7c1f207ff84a1d5f3893207d0b4bb1a509b4185ea

SHA512
39a3d43ef7e28fea2cb247a5d09576a4904a43680db8c32139f22a03d80f6ede98708a2452f3f82232b868501340f79c0b3f810f597bcaf5267c3ccfb1704b43

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

Filesize
152B

MD5
36988ca14952e1848e81a959880ea217

SHA1
a0482ef725657760502c2d1a5abe0bb37aebaadb

SHA256
d7e96088b37cec1bde202ae8ec2d2f3c3aafc368b6ebd91b3e2985846facf2e6

SHA512
d04b2f5afec92eb3d9f9cdc148a3eddd1b615e0dfb270566a7969576f50881d1f8572bccb8b9fd7993724bdfe36fc7633a33381d43e0b96c4e9bbd53fc010173

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

Filesize
960B

MD5
656418331b40a4d36a796568768ab5a0

SHA1
60f321fe3eca0d0e325f8b0593448b35f99cfb7d

SHA256
b1c081e4c7d59fddf90d2fc3b4993069b43e948e07b5ef15b83b3e6513252546

SHA512
54d1fdc9a356bdad98766a98326d8c56e48eef0ff4b1f184fce4edcadad1b83d52d7e15550f1e53eaa8bac0626abdac5601ec0b7acf446b626ca02e8d43c64c3

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

Filesize
883B

MD5
920c52891493039f9326f48d7d380d4a

SHA1
512bda3530f5c340098011dc14e2271bd64297df

SHA256
0332ebbd503cb114963b0bf2bc4199fd6927bbf25e1ff610dacdda904c9676f7

SHA512
54e3e068b46c69a6570190c3c072e908a9b069d7ef313a63b57efa9412c9947f62c0c373a0334592afecd6dd09805c8471f68a3ce65abebba1ec612b4c4a8cd4

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

Filesize
7KB

MD5
96019c512916734772d8c6e05d01176e

SHA1
797c45cc15d2ac0d74f6bb92a41f42218df4749f

SHA256
5a1dc74e637d60dc5f05cea623b5dc0eb23ea7e2efb35b50a3ec24c64999fd4c

SHA512
58e7e23e4f118767040336491a50e274481a4149030e8883bb8fd62925b1ed11dafba5968fea20f3c2697bc384342207d038ea5e5286dd51b30511d77ebc0f40

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

Filesize
6KB

MD5
e197899af88f8c7f0c9250732eddb47d

SHA1
a820852264d3f0f4b9372d36300341a43bcdce45

SHA256
946a2940888cab3e300d28fd7ed535bc69ae0a926fc4b833625f0522b934388b

SHA512
2227663c8c315f5949c6858f2fee423b361d62cc2d4dc1f3df360d3535955a18fa756d6fcfc544167637f8f7fbb7dc14d070019015a17b2d7fdce76bd23b1ee0

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
0ae99f52e587bfc88d80093d82b1290c

SHA1
0e90f4c32113828a467704d74a4cb4e973c90d82

SHA256
61196d60b2c506840b25cf87f8a71c32a7f3f7956d55a8f153a3ee0cc3eb9648

SHA512
200d93d67064796dbc38cc3ae1fd80d7ee2c643cf614e73f570ed4199e7a510dc5090c0ca0e0e7887b83b680ffa2c2b75ed595ec454a4758a795aed1a7476549

Download Submit
memory/4000-0-0x00007FFB5E78B000-0x00007FFB5E78C000-memory.dmp

Filesize
4KB

Download
memory/4000-1-0x00007FFB5E78B000-0x00007FFB5E78C000-memory.dmp

Filesize
4KB

Download