7c958a6903e32189eff9fd0f6571aa21fe832bcbeb6cf9d322d2ff0db5ee426b

Analysis

user interaction
yes
max time kernel
150s
max time network
142s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
11/08/2026, 04:58

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General

Target
bricker.exe
Size 9.1MB
Sample260811-fl86ms11hs
SHA256 7c958a6903e32189eff9fd0f6571aa21fe832bcbeb6cf9d322d2ff0db5ee426b
MD5 956078fba3a5039555a0959c923f5aa3
SHA1 25bdfbe699918872f9e0ae653198350fbecb1370
SHA512 e329f4f3b20b308d12c9ca898ee19cc3b5e6c4d549a4caec1466a436a686dd35500e53405efff81178fb4490953f4dd783e668a3a1c32c4033ca0c22db67d90f
SSDEEP 196608:pSP7tbW897G+x7eovq5XMP6PzFcGCMPWhQ0HsoqYbRjMFb:q71Fdq1B7/zCQ0HsoqYbpib
TLSH
T115A6338D42E105D6F4A7E23D5A73E1A6C272B8101B22C99F07E0876F3E572F25D36B91
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

defense_evasion execution persistence

Malware Config

Signatures

Event Triggered Execution: Image File Execution Options Injection 1 TTPs 2 IoCs

persistence

Image File Execution Options Injection

T1546.012

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe	reg.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe\Debugger = "systray.exe"	reg.exe

Loads dropped DLL 8 IoCs

pid	Process
4624	bricker.exe
4624	bricker.exe
4624	bricker.exe
4624	bricker.exe
4624	bricker.exe
4624	bricker.exe
4624	bricker.exe
4624	bricker.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\SystemMaintenance = "C:\\Users\\Admin\\AppData\\Local\\Temp\\bricker.exe C:\\ProgramData\\SystemMaintenance\\system_check.py"	reg.exe

Executes a command shell one-liner 1 TTPs 4 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4152	cmd.exe
1864	cmd.exe
2488	cmd.exe
5808	cmd.exe

Kills process with taskkill 1 IoCs

defense_evasion

pid	Process
5128	taskkill.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
3184	schtasks.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5128	taskkill.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3224 wrote to memory of 4624	3224	bricker.exe	90
PID 4624 wrote to memory of 4152	4624	bricker.exe	91
PID 4152 wrote to memory of 2980	4152	cmd.exe	92
PID 4624 wrote to memory of 1864	4624	bricker.exe	93
PID 1864 wrote to memory of 3184	1864	cmd.exe	94
PID 4624 wrote to memory of 2488	4624	bricker.exe	95
PID 2488 wrote to memory of 5128	2488	cmd.exe	96
PID 4624 wrote to memory of 5808	4624	bricker.exe	98
PID 5808 wrote to memory of 1048	5808	cmd.exe	99

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\bricker.exe
"C:\Users\Admin\AppData\Local\Temp\bricker.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:3224
- C:\Users\Admin\AppData\Local\Temp\bricker.exe
  "C:\Users\Admin\AppData\Local\Temp\bricker.exe"
  2⤵
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:4624
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "SystemMaintenance" /t REG_SZ /d ""C:\Users\Admin\AppData\Local\Temp\bricker.exe" "C:\ProgramData\SystemMaintenance\system_check.py"" /f"
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4152
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "SystemMaintenance" /t REG_SZ /d ""C:\Users\Admin\AppData\Local\Temp\bricker.exe" "C:\ProgramData\SystemMaintenance\system_check.py"" /f
      4⤵
      Adds Run key to start application
      PID:2980
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "schtasks /create /tn "SystemMaintenance" /tr ""C:\Users\Admin\AppData\Local\Temp\bricker.exe" "C:\ProgramData\SystemMaintenance\system_check.py"" /sc onlogon /ru SYSTEM /f"
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:1864
  - - C:\Windows\system32\schtasks.exe
      schtasks /create /tn "SystemMaintenance" /tr ""C:\Users\Admin\AppData\Local\Temp\bricker.exe" "C:\ProgramData\SystemMaintenance\system_check.py"" /sc onlogon /ru SYSTEM /f
      4⤵
      Scheduled Task/Job: Scheduled Task
      PID:3184
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "taskkill /f /im explorer.exe"
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:2488
  - - C:\Windows\system32\taskkill.exe
      taskkill /f /im explorer.exe
      4⤵
      Kills process with taskkill
      Suspicious use of AdjustPrivilegeToken
      PID:5128
- - C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe" /v Debugger /t REG_SZ /d "systray.exe" /f"
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:5808
  - - C:\Windows\system32\reg.exe
      reg add "HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Image File Execution Options\explorer.exe" /v Debugger /t REG_SZ /d "systray.exe" /f
      4⤵
      Event Triggered Execution: Image File Execution Options Injection
      PID:1048

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

Windows Command Shell

T1059.003

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Event Triggered Execution

T1546

Image File Execution Options Injection

T1546.012

Scheduled Task/Job

T1053

Scheduled Task

T1053.005

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

VCRUNTIME140.dll

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\VCRUNTIME140.dll
Size 117KB
SHA256 052ad6a20d375957e82aa6a3c441ea548d89be0981516ca7eb306e063d5027f4
MD5 32da96115c9d783a0769312c0482a62d
SHA1 2ea840a5faa87a2fe8d7e5cb4367f2418077d66b
SHA512 616c78b4a24761d4640ae2377b873f7779322ef7bc26f8de7da0d880b227c577ed6f5ed794fc733468477b2fcdb7916def250e5dc63e79257616f99768419087
SSDEEP 1536:Z9TXF5YXWbj8qr51XlN+dULTCe1IGhKWyxLiyaXYaNxoecbdhUoaLjTz164zEd:ZEnsvReGsWyxLizXFkecbd1aPTzW
TLSH
T10DC38C8572A002FBD16AC274C1A36A17FB75B94487B0A7CF03B58A650F53BE09E3D356
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

_bz2.pyd

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\_bz2.pyd
Size 85KB
SHA256 a4be36fffeefa8b24c1234d548da8f05558aba53c2ea7d1d2614776eaad8fbf4
MD5 a0946ac3236b70d27de6046ccc467977
SHA1 84f2aa56e58849cf30e632e7eaab4901a681f08c
SHA512 02429781f017b534918657e5c152ea022b52bcddd15ecca7f8b4629940dd4367a09af4d86a1f05d946ca97f2709718b136003693088c480d9b791e4d18361174
SSDEEP 1536:vZAVNz7DkEvkmFfR/l/kM4KPkM/gg8IWRbG3II13VAyvcvR9qfIk2:vGVNzUERn9R4KRg7NlSII13Vk
TLSH
T1A2838E96F3B552B6F59B91B886840793F730BB860750A3AFF14882853F13BD06E5C369
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

_ctypes.pyd

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\_ctypes.pyd
Size 139KB
SHA256 f8a9f7831e81b2bfba12456e589f8198114f24986bd527ac231a844565afcddb
MD5 03fb3055ed0c56155bbf030596726e03
SHA1 fba03bbf844c08ccf20854d717a84fa62ab291fd
SHA512 9ba8f50f75b37858b3d81d6f7323ae981ae21f57a9897955142bc53098ad74c8ae119e61ccd0bb5cd0071e092e8c2bbb5c146688e29f2cf7d1d3740f47ec9117
SSDEEP 3072:HDpx2Lp7KRmFrkdOJWWcovIMzTF4FyxpEI1GPny:jpxCdK8r8WDvIMn+8xpx
TLSH
T160D37E4B736841A6DA678138C6739E47EBB1F452261087CF4264C99B1F633A2AF3F315
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

_lzma.pyd

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\_lzma.pyd
Size 157KB
SHA256 f7ad11fbbb7aeaf7b6566a532a3243e3ae5f92bac480dbe5c2ef300fe2c1dabe
MD5 1dfaf924b4576f551f6dfe3cae50b230
SHA1 ef19846989f337e600c8f9ccacbd4276cc4d35f0
SHA512 2df6a600ecd03de76f066f87a8dd13bf138a51f89fe745813d7a00418fb716c670cb04a9b5573d2b852fc8885acac8b960ba4c42d38fcb7e9a1d2aa2e84f90a9
SSDEEP 3072:z+0m6DKDYtwipfxAbDcoAL+Uznfx9mNoV+dREOII1I1+ZgTT:iTCKDYvNoopYOyGOjeT
TLSH
T182F34C86B794F0D6F3628C78D6618F53E7F5781A0320929A01CC976D2B1FB759A2B313
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

_zstd.pyd

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\_zstd.pyd
Size 491KB
SHA256 536a3b521a3c42d2827ece0ccfbe40b83a2fd96a0f5496cd60b943b10e1266d4
MD5 b89f5d1345ef95f80ddcbe5b3e4e5bb3
SHA1 2daee236009cc3efe02dc9bbbd8c6faa8ac56478
SHA512 fc925424ad4bd8bdfae04b95fdadfcdbffcac76270997b4ce365be8a47d4c636b7e0b31e78d785a3dc6c9b2dd0f108aa716a92ee4f0506f3a0329e4a424b48e9
SSDEEP 12288:X/WcJlzAwk9mH+65GRRfODoHWDTrWl93mFgR:X/WcJywk9mH+KGRRf2o2YR
TLSH
T1A5B48D43F29983EDE17BC4B8CF465A53FBB1780B1214565B93A5CB943F07B309A6A308
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

base_library.zip

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\base_library.zip
Size 1.3MB
SHA256 d808a7fbddd169f91a166f4a371a8e7424f13715fa5f3c8e54138e79e3a12e09
MD5 b4923fb8fcce1966477c59b242ad1af5
SHA1 d08368f1650fde0d287cdf3006abed65ad5d77b7
SHA512 0f4e204d7c3e5c2736bb389a5b7778af6a08d9addd877f8af217e7f726a8c3410a1a5db3c080710973d9e3483a495c4d6dcb5b443d6f1942ddf81c853d3441af
SSDEEP 24576:FQeOdP2m2dfaxgLrEuUF2dFdz3MlbeRpdn:F/IuUFsFdz3RRX
TLSH
T169552AA1B9917867FEC9F37A35775A0CA715C0109B20D303B4A98DAC6FDF260AE158DC
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

libffi-8.dll

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\libffi-8.dll
Size 38KB
SHA256 eff52743773eb550fcc6ce3efc37c85724502233b6b002a35496d828bd7b280a
MD5 0f8e4992ca92baaf54cc0b43aaccce21
SHA1 c7300975df267b1d6adcbac0ac93fd7b1ab49bd2
SHA512 6e1b223462dc124279bfca74fd2c66fe18b368ffbca540c84e82e0f5bcbea0e10cc243975574fa95ace437b9d8b03a446ed5ee0c9b1b094147cefaf704dfe978
SSDEEP 768:NiQfxQemQJNrPN+moyijAc5YiSyvkIPxWEqG:dfxIQvPkmoyijP7SytPxF
TLSH
T10B037C0B458418A4E657D53D97A64A2AC335B9240B60F2CB03D4C2BA3F6B7D6FB7C358
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

python314.DLL

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\python314.DLL
Size 6.4MB
SHA256 1ac15e2224581fc678bbd17728b9aa538d47b891b72c76499ef07e54cd74f151
MD5 5bc0adc1fed509f353832bde6b2add62
SHA1 b2204b0bc93877fcd186d72fbe5006130aa0fb88
SHA512 7b1e52aff81e5e79872d9a22c0218dd8fc46e99cb33adb69d277ea07b21eee0399f0a6a72d190b91f26a96e69aa63a23a06384b9d93db44355f3eb1d7f727650
SSDEEP 98304:YvvKimE4QWS5v+kr/YFboltx9E8rDvQHDMiE2hx0S:qdcQWS5v+kLMolGmidx0S
TLSH
T107668D26737505A5D8BB8076C9034647DBB1BC00AB30D34B49A4B6DA3F733635BAEB85
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

ucrtbase.dll

Path C:\Users\Admin\AppData\Local\Temp\_MEI32242\ucrtbase.dll
Size 1.3MB
SHA256 2e5fb14b7bf8540278f3614a12f0226e56a7cc9e64b81cbd976c6fcf2f71cbfb
MD5 286b308df8012a5dfc4276fb16dd9ccc
SHA1 8ae9df813b281c2bd7a81de1e4e9cef8934a9120
SHA512 24166cc1477cde129a9ab5b71075a6d935eb6eebcae9b39c0a106c5394ded31af3d93f6dea147120243f7790d0a0c625a690fd76177dddab2d2685105c3eb7b2
SSDEEP 24576:cQPuhXCFmugCw3wUAZMMNX6smpRrgTuJi+1Sats7F9qmxvSZX0ypKpIPng:cQWhXCFm7Cw3w3ZXX6DYaY9lpUg
TLSH
T1BE55AE2266AD01E9C5BFD13DC65B4906E9B2781503709ACB03E94E792E3BBF5077B321
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/5128-76-0x0000021E91D40000-0x0000021E91F81000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads