50fdd1a3a1fdccbe8a57ffdeed3f550398187f8de66e79d36e48dc0eb49fd2e7

Analysis

max time kernel
24s
max time network
30s
platform
windows7_x64
resource
win7-20230831-es
resource tags

arch:x64arch:x86image:win7-20230831-eslocale:es-esos:windows7-x64systemwindows
submitted
20/09/2023, 22:38

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Reason

Machine shutdown

Report Analysis Logs

General

Target

8.ps1
Size

19KB
MD5

1a5c933e83fc3395e8e5f737df0be1de
SHA1

c1b72ce34210b50699c729a403683e31a87970af
SHA256

50fdd1a3a1fdccbe8a57ffdeed3f550398187f8de66e79d36e48dc0eb49fd2e7
SHA512

698d9c0657ac978362be8c0c1aba23e72e1469073354f1e3a8b8e40fc79affc0383f4bfa4161e377d4304b314a8b03721efb9414413c13489addb7580718785c
SSDEEP

384:QcyvJvDCNrr2YyHEHaeizHlf2GkxUtJNzw5ARMthKqsvvvhUvhkvkNp8mpdIc+ZW:QcyvJvDCNrr2Yyk6eizFf2GkxUtJNYtH

Score

8^/10

Malware Config

Signatures

Blocklisted process makes network request 1 IoCs

flow	pid	Process
2	2436	powershell.exe

Drops startup file 5 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\_sgxbtu8_AA.lnk	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\_sgxbtu8_y.lnk	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\_sgxbtu8_.lnk	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\_sgxbtu8_EX.lnk	powershell.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\_sgxbtu8_AT.lnk	powershell.exe

Modifies registry class 6 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\ms-settings\Shell\Open	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\ms-settings\Shell\Open\command\DelegateExecute	powershell.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\ms-settings\Shell\Open\command\ = "C:\\_sgxbtu8_\\_sgxbtu8_i7.exe"	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\ms-settings\Shell\Open\command	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\ms-settings	powershell.exe
Key created	\REGISTRY\USER\S-1-5-21-686452656-3203474025-4140627569-1000_CLASSES\ms-settings\Shell	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2436	powershell.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	2436	powershell.exe
Token: SeShutdownPrivilege	2892	shutdown.exe
Token: SeRemoteShutdownPrivilege	2892	shutdown.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2892	2436	powershell.exe	29
PID 2436 wrote to memory of 2892	2436	powershell.exe	29
PID 2436 wrote to memory of 2892	2436	powershell.exe	29

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\8.ps1
1⤵
- Blocklisted process makes network request
- Drops startup file
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Windows\system32\shutdown.exe
  "C:\Windows\system32\shutdown.exe" /r /t 10
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:2892

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x0
1⤵
PID:2628

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x1
1⤵
PID:2312

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2312-41-0x0000000002760000-0x0000000002761000-memory.dmp

Filesize
4KB

Download
memory/2436-14-0x0000000002680000-0x0000000002688000-memory.dmp

Filesize
32KB

Download
memory/2436-5-0x0000000002440000-0x0000000002448000-memory.dmp

Filesize
32KB

Download
memory/2436-7-0x00000000024E0000-0x00000000024EE000-memory.dmp

Filesize
56KB

Download
memory/2436-8-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Filesize
9.6MB

Download
memory/2436-11-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2436-10-0x000000001B640000-0x000000001B686000-memory.dmp

Filesize
280KB

Download
memory/2436-12-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2436-9-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2436-4-0x000000001B300000-0x000000001B5E2000-memory.dmp

Filesize
2.9MB

Download
memory/2436-13-0x0000000002670000-0x000000000267A000-memory.dmp

Filesize
40KB

Download
memory/2436-17-0x0000000002730000-0x000000000273C000-memory.dmp

Filesize
48KB

Download
memory/2436-16-0x000000001BA90000-0x000000001BADE000-memory.dmp

Filesize
312KB

Download
memory/2436-15-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2436-30-0x000000001BB80000-0x000000001BB90000-memory.dmp

Filesize
64KB

Download
memory/2436-33-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Filesize
9.6MB

Download
memory/2436-34-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2436-35-0x00000000026A0000-0x0000000002720000-memory.dmp

Filesize
512KB

Download
memory/2436-39-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Filesize
9.6MB

Download
memory/2436-6-0x000007FEF5D80000-0x000007FEF671D000-memory.dmp

Filesize
9.6MB

Download
memory/2628-40-0x00000000028C0000-0x00000000028C1000-memory.dmp

Filesize
4KB

Download